0) {
+ if(p < this.DB && (d = this[i]>>p) > 0) { m = true; r = int2char(d); }
+ while(i >= 0) {
+ if(p < k) {
+ d = (this[i]&((1<>(p+=this.DB-k);
+ }
+ else {
+ d = (this[i]>>(p-=k))&km;
+ if(p <= 0) { p += this.DB; --i; }
+ }
+ if(d > 0) m = true;
+ if(m) r += int2char(d);
+ }
+ }
+ return m?r:"0";
+ }
+
+ // (public) -this
+ function bnNegate() { var r = nbi(); BigInteger.ZERO.subTo(this,r); return r; }
+
+ // (public) |this|
+ function bnAbs() { return (this.s<0)?this.negate():this; }
+
+ // (public) return + if this > a, - if this < a, 0 if equal
+ function bnCompareTo(a) {
+ var r = this.s-a.s;
+ if(r != 0) return r;
+ var i = this.t;
+ r = i-a.t;
+ if(r != 0) return (this.s<0)?-r:r;
+ while(--i >= 0) if((r=this[i]-a[i]) != 0) return r;
+ return 0;
+ }
+
+ // returns bit length of the integer x
+ function nbits(x) {
+ var r = 1, t;
+ if((t=x>>>16) != 0) { x = t; r += 16; }
+ if((t=x>>8) != 0) { x = t; r += 8; }
+ if((t=x>>4) != 0) { x = t; r += 4; }
+ if((t=x>>2) != 0) { x = t; r += 2; }
+ if((t=x>>1) != 0) { x = t; r += 1; }
+ return r;
+ }
+
+ // (public) return the number of bits in "this"
+ function bnBitLength() {
+ if(this.t <= 0) return 0;
+ return this.DB*(this.t-1)+nbits(this[this.t-1]^(this.s&this.DM));
+ }
+
+ // (protected) r = this << n*DB
+ function bnpDLShiftTo(n,r) {
+ var i;
+ for(i = this.t-1; i >= 0; --i) r[i+n] = this[i];
+ for(i = n-1; i >= 0; --i) r[i] = 0;
+ r.t = this.t+n;
+ r.s = this.s;
+ }
+
+ // (protected) r = this >> n*DB
+ function bnpDRShiftTo(n,r) {
+ for(var i = n; i < this.t; ++i) r[i-n] = this[i];
+ r.t = Math.max(this.t-n,0);
+ r.s = this.s;
+ }
+
+ // (protected) r = this << n
+ function bnpLShiftTo(n,r) {
+ var bs = n%this.DB;
+ var cbs = this.DB-bs;
+ var bm = (1<= 0; --i) {
+ r[i+ds+1] = (this[i]>>cbs)|c;
+ c = (this[i]&bm)<= 0; --i) r[i] = 0;
+ r[ds] = c;
+ r.t = this.t+ds+1;
+ r.s = this.s;
+ r.clamp();
+ }
+
+ // (protected) r = this >> n
+ function bnpRShiftTo(n,r) {
+ r.s = this.s;
+ var ds = Math.floor(n/this.DB);
+ if(ds >= this.t) { r.t = 0; return; }
+ var bs = n%this.DB;
+ var cbs = this.DB-bs;
+ var bm = (1<>bs;
+ for(var i = ds+1; i < this.t; ++i) {
+ r[i-ds-1] |= (this[i]&bm)<>bs;
+ }
+ if(bs > 0) r[this.t-ds-1] |= (this.s&bm)<>= this.DB;
+ }
+ if(a.t < this.t) {
+ c -= a.s;
+ while(i < this.t) {
+ c += this[i];
+ r[i++] = c&this.DM;
+ c >>= this.DB;
+ }
+ c += this.s;
+ }
+ else {
+ c += this.s;
+ while(i < a.t) {
+ c -= a[i];
+ r[i++] = c&this.DM;
+ c >>= this.DB;
+ }
+ c -= a.s;
+ }
+ r.s = (c<0)?-1:0;
+ if(c < -1) r[i++] = this.DV+c;
+ else if(c > 0) r[i++] = c;
+ r.t = i;
+ r.clamp();
+ }
+
+ // (protected) r = this * a, r != this,a (HAC 14.12)
+ // "this" should be the larger one if appropriate.
+ function bnpMultiplyTo(a,r) {
+ var x = this.abs(), y = a.abs();
+ var i = x.t;
+ r.t = i+y.t;
+ while(--i >= 0) r[i] = 0;
+ for(i = 0; i < y.t; ++i) r[i+x.t] = x.am(0,y[i],r,i,0,x.t);
+ r.s = 0;
+ r.clamp();
+ if(this.s != a.s) BigInteger.ZERO.subTo(r,r);
+ }
+
+ // (protected) r = this^2, r != this (HAC 14.16)
+ function bnpSquareTo(r) {
+ var x = this.abs();
+ var i = r.t = 2*x.t;
+ while(--i >= 0) r[i] = 0;
+ for(i = 0; i < x.t-1; ++i) {
+ var c = x.am(i,x[i],r,2*i,0,1);
+ if((r[i+x.t]+=x.am(i+1,2*x[i],r,2*i+1,c,x.t-i-1)) >= x.DV) {
+ r[i+x.t] -= x.DV;
+ r[i+x.t+1] = 1;
+ }
+ }
+ if(r.t > 0) r[r.t-1] += x.am(i,x[i],r,2*i,0,1);
+ r.s = 0;
+ r.clamp();
+ }
+
+ // (protected) divide this by m, quotient and remainder to q, r (HAC 14.20)
+ // r != q, this != m. q or r may be null.
+ function bnpDivRemTo(m,q,r) {
+ var pm = m.abs();
+ if(pm.t <= 0) return;
+ var pt = this.abs();
+ if(pt.t < pm.t) {
+ if(q != null) q.fromInt(0);
+ if(r != null) this.copyTo(r);
+ return;
+ }
+ if(r == null) r = nbi();
+ var y = nbi(), ts = this.s, ms = m.s;
+ var nsh = this.DB-nbits(pm[pm.t-1]); // normalize modulus
+ if(nsh > 0) { pm.lShiftTo(nsh,y); pt.lShiftTo(nsh,r); }
+ else { pm.copyTo(y); pt.copyTo(r); }
+ var ys = y.t;
+ var y0 = y[ys-1];
+ if(y0 == 0) return;
+ var yt = y0*(1<1)?y[ys-2]>>this.F2:0);
+ var d1 = this.FV/yt, d2 = (1<= 0) {
+ r[r.t++] = 1;
+ r.subTo(t,r);
+ }
+ BigInteger.ONE.dlShiftTo(ys,t);
+ t.subTo(y,y); // "negative" y so we can replace sub with am later
+ while(y.t < ys) y[y.t++] = 0;
+ while(--j >= 0) {
+ // Estimate quotient digit
+ var qd = (r[--i]==y0)?this.DM:Math.floor(r[i]*d1+(r[i-1]+e)*d2);
+ if((r[i]+=y.am(0,qd,r,j,0,ys)) < qd) { // Try it out
+ y.dlShiftTo(j,t);
+ r.subTo(t,r);
+ while(r[i] < --qd) r.subTo(t,r);
+ }
+ }
+ if(q != null) {
+ r.drShiftTo(ys,q);
+ if(ts != ms) BigInteger.ZERO.subTo(q,q);
+ }
+ r.t = ys;
+ r.clamp();
+ if(nsh > 0) r.rShiftTo(nsh,r); // Denormalize remainder
+ if(ts < 0) BigInteger.ZERO.subTo(r,r);
+ }
+
+ // (public) this mod a
+ function bnMod(a) {
+ var r = nbi();
+ this.abs().divRemTo(a,null,r);
+ if(this.s < 0 && r.compareTo(BigInteger.ZERO) > 0) a.subTo(r,r);
+ return r;
+ }
+
+ // Modular reduction using "classic" algorithm
+ function Classic(m) { this.m = m; }
+ function cConvert(x) {
+ if(x.s < 0 || x.compareTo(this.m) >= 0) return x.mod(this.m);
+ else return x;
+ }
+ function cRevert(x) { return x; }
+ function cReduce(x) { x.divRemTo(this.m,null,x); }
+ function cMulTo(x,y,r) { x.multiplyTo(y,r); this.reduce(r); }
+ function cSqrTo(x,r) { x.squareTo(r); this.reduce(r); }
+
+ Classic.prototype.convert = cConvert;
+ Classic.prototype.revert = cRevert;
+ Classic.prototype.reduce = cReduce;
+ Classic.prototype.mulTo = cMulTo;
+ Classic.prototype.sqrTo = cSqrTo;
+
+ // (protected) return "-1/this % 2^DB"; useful for Mont. reduction
+ // justification:
+ // xy == 1 (mod m)
+ // xy = 1+km
+ // xy(2-xy) = (1+km)(1-km)
+ // x[y(2-xy)] = 1-k^2m^2
+ // x[y(2-xy)] == 1 (mod m^2)
+ // if y is 1/x mod m, then y(2-xy) is 1/x mod m^2
+ // should reduce x and y(2-xy) by m^2 at each step to keep size bounded.
+ // JS multiply "overflows" differently from C/C++, so care is needed here.
+ function bnpInvDigit() {
+ if(this.t < 1) return 0;
+ var x = this[0];
+ if((x&1) == 0) return 0;
+ var y = x&3; // y == 1/x mod 2^2
+ y = (y*(2-(x&0xf)*y))&0xf; // y == 1/x mod 2^4
+ y = (y*(2-(x&0xff)*y))&0xff; // y == 1/x mod 2^8
+ y = (y*(2-(((x&0xffff)*y)&0xffff)))&0xffff; // y == 1/x mod 2^16
+ // last step - calculate inverse mod DV directly;
+ // assumes 16 < DB <= 32 and assumes ability to handle 48-bit ints
+ y = (y*(2-x*y%this.DV))%this.DV; // y == 1/x mod 2^dbits
+ // we really want the negative inverse, and -DV < y < DV
+ return (y>0)?this.DV-y:-y;
+ }
+
+ // Montgomery reduction
+ function Montgomery(m) {
+ this.m = m;
+ this.mp = m.invDigit();
+ this.mpl = this.mp&0x7fff;
+ this.mph = this.mp>>15;
+ this.um = (1<<(m.DB-15))-1;
+ this.mt2 = 2*m.t;
+ }
+
+ // xR mod m
+ function montConvert(x) {
+ var r = nbi();
+ x.abs().dlShiftTo(this.m.t,r);
+ r.divRemTo(this.m,null,r);
+ if(x.s < 0 && r.compareTo(BigInteger.ZERO) > 0) this.m.subTo(r,r);
+ return r;
+ }
+
+ // x/R mod m
+ function montRevert(x) {
+ var r = nbi();
+ x.copyTo(r);
+ this.reduce(r);
+ return r;
+ }
+
+ // x = x/R mod m (HAC 14.32)
+ function montReduce(x) {
+ while(x.t <= this.mt2) // pad x so am has enough room later
+ x[x.t++] = 0;
+ for(var i = 0; i < this.m.t; ++i) {
+ // faster way of calculating u0 = x[i]*mp mod DV
+ var j = x[i]&0x7fff;
+ var u0 = (j*this.mpl+(((j*this.mph+(x[i]>>15)*this.mpl)&this.um)<<15))&x.DM;
+ // use am to combine the multiply-shift-add into one call
+ j = i+this.m.t;
+ x[j] += this.m.am(0,u0,x,i,0,this.m.t);
+ // propagate carry
+ while(x[j] >= x.DV) { x[j] -= x.DV; x[++j]++; }
+ }
+ x.clamp();
+ x.drShiftTo(this.m.t,x);
+ if(x.compareTo(this.m) >= 0) x.subTo(this.m,x);
+ }
+
+ // r = "x^2/R mod m"; x != r
+ function montSqrTo(x,r) { x.squareTo(r); this.reduce(r); }
+
+ // r = "xy/R mod m"; x,y != r
+ function montMulTo(x,y,r) { x.multiplyTo(y,r); this.reduce(r); }
+
+ Montgomery.prototype.convert = montConvert;
+ Montgomery.prototype.revert = montRevert;
+ Montgomery.prototype.reduce = montReduce;
+ Montgomery.prototype.mulTo = montMulTo;
+ Montgomery.prototype.sqrTo = montSqrTo;
+
+ // (protected) true iff this is even
+ function bnpIsEven() { return ((this.t>0)?(this[0]&1):this.s) == 0; }
+
+ // (protected) this^e, e < 2^32, doing sqr and mul with "r" (HAC 14.79)
+ function bnpExp(e,z) {
+ if(e > 0xffffffff || e < 1) return BigInteger.ONE;
+ var r = nbi(), r2 = nbi(), g = z.convert(this), i = nbits(e)-1;
+ g.copyTo(r);
+ while(--i >= 0) {
+ z.sqrTo(r,r2);
+ if((e&(1< 0) z.mulTo(r2,g,r);
+ else { var t = r; r = r2; r2 = t; }
+ }
+ return z.revert(r);
+ }
+
+ // (public) this^e % m, 0 <= e < 2^32
+ function bnModPowInt(e,m) {
+ var z;
+ if(e < 256 || m.isEven()) z = new Classic(m); else z = new Montgomery(m);
+ return this.exp(e,z);
+ }
+
+ // protected
+ BigInteger.prototype.copyTo = bnpCopyTo;
+ BigInteger.prototype.fromInt = bnpFromInt;
+ BigInteger.prototype.fromString = bnpFromString;
+ BigInteger.prototype.clamp = bnpClamp;
+ BigInteger.prototype.dlShiftTo = bnpDLShiftTo;
+ BigInteger.prototype.drShiftTo = bnpDRShiftTo;
+ BigInteger.prototype.lShiftTo = bnpLShiftTo;
+ BigInteger.prototype.rShiftTo = bnpRShiftTo;
+ BigInteger.prototype.subTo = bnpSubTo;
+ BigInteger.prototype.multiplyTo = bnpMultiplyTo;
+ BigInteger.prototype.squareTo = bnpSquareTo;
+ BigInteger.prototype.divRemTo = bnpDivRemTo;
+ BigInteger.prototype.invDigit = bnpInvDigit;
+ BigInteger.prototype.isEven = bnpIsEven;
+ BigInteger.prototype.exp = bnpExp;
+
+ // public
+ BigInteger.prototype.toString = bnToString;
+ BigInteger.prototype.negate = bnNegate;
+ BigInteger.prototype.abs = bnAbs;
+ BigInteger.prototype.compareTo = bnCompareTo;
+ BigInteger.prototype.bitLength = bnBitLength;
+ BigInteger.prototype.mod = bnMod;
+ BigInteger.prototype.modPowInt = bnModPowInt;
+
+ // "constants"
+ BigInteger.ZERO = nbv(0);
+ BigInteger.ONE = nbv(1);
+
+ // Copyright (c) 2005-2009 Tom Wu
+ // All Rights Reserved.
+ // See "LICENSE" for details.
+
+ // Extended JavaScript BN functions, required for RSA private ops.
+
+ // Version 1.1: new BigInteger("0", 10) returns "proper" zero
+ // Version 1.2: square() API, isProbablePrime fix
+
+ // (public)
+ function bnClone() { var r = nbi(); this.copyTo(r); return r; }
+
+ // (public) return value as integer
+ function bnIntValue() {
+ if(this.s < 0) {
+ if(this.t == 1) return this[0]-this.DV;
+ else if(this.t == 0) return -1;
+ }
+ else if(this.t == 1) return this[0];
+ else if(this.t == 0) return 0;
+ // assumes 16 < DB < 32
+ return ((this[1]&((1<<(32-this.DB))-1))<>24; }
+
+ // (public) return value as short (assumes DB>=16)
+ function bnShortValue() { return (this.t==0)?this.s:(this[0]<<16)>>16; }
+
+ // (protected) return x s.t. r^x < DV
+ function bnpChunkSize(r) { return Math.floor(Math.LN2*this.DB/Math.log(r)); }
+
+ // (public) 0 if this == 0, 1 if this > 0
+ function bnSigNum() {
+ if(this.s < 0) return -1;
+ else if(this.t <= 0 || (this.t == 1 && this[0] <= 0)) return 0;
+ else return 1;
+ }
+
+ // (protected) convert to radix string
+ function bnpToRadix(b) {
+ if(b == null) b = 10;
+ if(this.signum() == 0 || b < 2 || b > 36) return "0";
+ var cs = this.chunkSize(b);
+ var a = Math.pow(b,cs);
+ var d = nbv(a), y = nbi(), z = nbi(), r = "";
+ this.divRemTo(d,y,z);
+ while(y.signum() > 0) {
+ r = (a+z.intValue()).toString(b).substr(1) + r;
+ y.divRemTo(d,y,z);
+ }
+ return z.intValue().toString(b) + r;
+ }
+
+ // (protected) convert from radix string
+ function bnpFromRadix(s,b) {
+ this.fromInt(0);
+ if(b == null) b = 10;
+ var cs = this.chunkSize(b);
+ var d = Math.pow(b,cs), mi = false, j = 0, w = 0;
+ for(var i = 0; i < s.length; ++i) {
+ var x = intAt(s,i);
+ if(x < 0) {
+ if(s.charAt(i) == "-" && this.signum() == 0) mi = true;
+ continue;
+ }
+ w = b*w+x;
+ if(++j >= cs) {
+ this.dMultiply(d);
+ this.dAddOffset(w,0);
+ j = 0;
+ w = 0;
+ }
+ }
+ if(j > 0) {
+ this.dMultiply(Math.pow(b,j));
+ this.dAddOffset(w,0);
+ }
+ if(mi) BigInteger.ZERO.subTo(this,this);
+ }
+
+ // (protected) alternate constructor
+ function bnpFromNumber(a,b,c) {
+ if("number" == typeof b) {
+ // new BigInteger(int,int,RNG)
+ if(a < 2) this.fromInt(1);
+ else {
+ this.fromNumber(a,c);
+ if(!this.testBit(a-1)) // force MSB set
+ this.bitwiseTo(BigInteger.ONE.shiftLeft(a-1),op_or,this);
+ if(this.isEven()) this.dAddOffset(1,0); // force odd
+ while(!this.isProbablePrime(b)) {
+ this.dAddOffset(2,0);
+ if(this.bitLength() > a) this.subTo(BigInteger.ONE.shiftLeft(a-1),this);
+ }
+ }
+ }
+ else {
+ // new BigInteger(int,RNG)
+ var x = new Array(), t = a&7;
+ x.length = (a>>3)+1;
+ b.nextBytes(x);
+ if(t > 0) x[0] &= ((1< 0) {
+ if(p < this.DB && (d = this[i]>>p) != (this.s&this.DM)>>p)
+ r[k++] = d|(this.s<<(this.DB-p));
+ while(i >= 0) {
+ if(p < 8) {
+ d = (this[i]&((1<>(p+=this.DB-8);
+ }
+ else {
+ d = (this[i]>>(p-=8))&0xff;
+ if(p <= 0) { p += this.DB; --i; }
+ }
+ if((d&0x80) != 0) d |= -256;
+ if(k == 0 && (this.s&0x80) != (d&0x80)) ++k;
+ if(k > 0 || d != this.s) r[k++] = d;
+ }
+ }
+ return r;
+ }
+
+ function bnEquals(a) { return(this.compareTo(a)==0); }
+ function bnMin(a) { return(this.compareTo(a)<0)?this:a; }
+ function bnMax(a) { return(this.compareTo(a)>0)?this:a; }
+
+ // (protected) r = this op a (bitwise)
+ function bnpBitwiseTo(a,op,r) {
+ var i, f, m = Math.min(a.t,this.t);
+ for(i = 0; i < m; ++i) r[i] = op(this[i],a[i]);
+ if(a.t < this.t) {
+ f = a.s&this.DM;
+ for(i = m; i < this.t; ++i) r[i] = op(this[i],f);
+ r.t = this.t;
+ }
+ else {
+ f = this.s&this.DM;
+ for(i = m; i < a.t; ++i) r[i] = op(f,a[i]);
+ r.t = a.t;
+ }
+ r.s = op(this.s,a.s);
+ r.clamp();
+ }
+
+ // (public) this & a
+ function op_and(x,y) { return x&y; }
+ function bnAnd(a) { var r = nbi(); this.bitwiseTo(a,op_and,r); return r; }
+
+ // (public) this | a
+ function op_or(x,y) { return x|y; }
+ function bnOr(a) { var r = nbi(); this.bitwiseTo(a,op_or,r); return r; }
+
+ // (public) this ^ a
+ function op_xor(x,y) { return x^y; }
+ function bnXor(a) { var r = nbi(); this.bitwiseTo(a,op_xor,r); return r; }
+
+ // (public) this & ~a
+ function op_andnot(x,y) { return x&~y; }
+ function bnAndNot(a) { var r = nbi(); this.bitwiseTo(a,op_andnot,r); return r; }
+
+ // (public) ~this
+ function bnNot() {
+ var r = nbi();
+ for(var i = 0; i < this.t; ++i) r[i] = this.DM&~this[i];
+ r.t = this.t;
+ r.s = ~this.s;
+ return r;
+ }
+
+ // (public) this << n
+ function bnShiftLeft(n) {
+ var r = nbi();
+ if(n < 0) this.rShiftTo(-n,r); else this.lShiftTo(n,r);
+ return r;
+ }
+
+ // (public) this >> n
+ function bnShiftRight(n) {
+ var r = nbi();
+ if(n < 0) this.lShiftTo(-n,r); else this.rShiftTo(n,r);
+ return r;
+ }
+
+ // return index of lowest 1-bit in x, x < 2^31
+ function lbit(x) {
+ if(x == 0) return -1;
+ var r = 0;
+ if((x&0xffff) == 0) { x >>= 16; r += 16; }
+ if((x&0xff) == 0) { x >>= 8; r += 8; }
+ if((x&0xf) == 0) { x >>= 4; r += 4; }
+ if((x&3) == 0) { x >>= 2; r += 2; }
+ if((x&1) == 0) ++r;
+ return r;
+ }
+
+ // (public) returns index of lowest 1-bit (or -1 if none)
+ function bnGetLowestSetBit() {
+ for(var i = 0; i < this.t; ++i)
+ if(this[i] != 0) return i*this.DB+lbit(this[i]);
+ if(this.s < 0) return this.t*this.DB;
+ return -1;
+ }
+
+ // return number of 1 bits in x
+ function cbit(x) {
+ var r = 0;
+ while(x != 0) { x &= x-1; ++r; }
+ return r;
+ }
+
+ // (public) return number of set bits
+ function bnBitCount() {
+ var r = 0, x = this.s&this.DM;
+ for(var i = 0; i < this.t; ++i) r += cbit(this[i]^x);
+ return r;
+ }
+
+ // (public) true iff nth bit is set
+ function bnTestBit(n) {
+ var j = Math.floor(n/this.DB);
+ if(j >= this.t) return(this.s!=0);
+ return((this[j]&(1<<(n%this.DB)))!=0);
+ }
+
+ // (protected) this op (1<>= this.DB;
+ }
+ if(a.t < this.t) {
+ c += a.s;
+ while(i < this.t) {
+ c += this[i];
+ r[i++] = c&this.DM;
+ c >>= this.DB;
+ }
+ c += this.s;
+ }
+ else {
+ c += this.s;
+ while(i < a.t) {
+ c += a[i];
+ r[i++] = c&this.DM;
+ c >>= this.DB;
+ }
+ c += a.s;
+ }
+ r.s = (c<0)?-1:0;
+ if(c > 0) r[i++] = c;
+ else if(c < -1) r[i++] = this.DV+c;
+ r.t = i;
+ r.clamp();
+ }
+
+ // (public) this + a
+ function bnAdd(a) { var r = nbi(); this.addTo(a,r); return r; }
+
+ // (public) this - a
+ function bnSubtract(a) { var r = nbi(); this.subTo(a,r); return r; }
+
+ // (public) this * a
+ function bnMultiply(a) { var r = nbi(); this.multiplyTo(a,r); return r; }
+
+ // (public) this^2
+ function bnSquare() { var r = nbi(); this.squareTo(r); return r; }
+
+ // (public) this / a
+ function bnDivide(a) { var r = nbi(); this.divRemTo(a,r,null); return r; }
+
+ // (public) this % a
+ function bnRemainder(a) { var r = nbi(); this.divRemTo(a,null,r); return r; }
+
+ // (public) [this/a,this%a]
+ function bnDivideAndRemainder(a) {
+ var q = nbi(), r = nbi();
+ this.divRemTo(a,q,r);
+ return new Array(q,r);
+ }
+
+ // (protected) this *= n, this >= 0, 1 < n < DV
+ function bnpDMultiply(n) {
+ this[this.t] = this.am(0,n-1,this,0,0,this.t);
+ ++this.t;
+ this.clamp();
+ }
+
+ // (protected) this += n << w words, this >= 0
+ function bnpDAddOffset(n,w) {
+ if(n == 0) return;
+ while(this.t <= w) this[this.t++] = 0;
+ this[w] += n;
+ while(this[w] >= this.DV) {
+ this[w] -= this.DV;
+ if(++w >= this.t) this[this.t++] = 0;
+ ++this[w];
+ }
+ }
+
+ // A "null" reducer
+ function NullExp() {}
+ function nNop(x) { return x; }
+ function nMulTo(x,y,r) { x.multiplyTo(y,r); }
+ function nSqrTo(x,r) { x.squareTo(r); }
+
+ NullExp.prototype.convert = nNop;
+ NullExp.prototype.revert = nNop;
+ NullExp.prototype.mulTo = nMulTo;
+ NullExp.prototype.sqrTo = nSqrTo;
+
+ // (public) this^e
+ function bnPow(e) { return this.exp(e,new NullExp()); }
+
+ // (protected) r = lower n words of "this * a", a.t <= n
+ // "this" should be the larger one if appropriate.
+ function bnpMultiplyLowerTo(a,n,r) {
+ var i = Math.min(this.t+a.t,n);
+ r.s = 0; // assumes a,this >= 0
+ r.t = i;
+ while(i > 0) r[--i] = 0;
+ var j;
+ for(j = r.t-this.t; i < j; ++i) r[i+this.t] = this.am(0,a[i],r,i,0,this.t);
+ for(j = Math.min(a.t,n); i < j; ++i) this.am(0,a[i],r,i,0,n-i);
+ r.clamp();
+ }
+
+ // (protected) r = "this * a" without lower n words, n > 0
+ // "this" should be the larger one if appropriate.
+ function bnpMultiplyUpperTo(a,n,r) {
+ --n;
+ var i = r.t = this.t+a.t-n;
+ r.s = 0; // assumes a,this >= 0
+ while(--i >= 0) r[i] = 0;
+ for(i = Math.max(n-this.t,0); i < a.t; ++i)
+ r[this.t+i-n] = this.am(n-i,a[i],r,0,0,this.t+i-n);
+ r.clamp();
+ r.drShiftTo(1,r);
+ }
+
+ // Barrett modular reduction
+ function Barrett(m) {
+ // setup Barrett
+ this.r2 = nbi();
+ this.q3 = nbi();
+ BigInteger.ONE.dlShiftTo(2*m.t,this.r2);
+ this.mu = this.r2.divide(m);
+ this.m = m;
+ }
+
+ function barrettConvert(x) {
+ if(x.s < 0 || x.t > 2*this.m.t) return x.mod(this.m);
+ else if(x.compareTo(this.m) < 0) return x;
+ else { var r = nbi(); x.copyTo(r); this.reduce(r); return r; }
+ }
+
+ function barrettRevert(x) { return x; }
+
+ // x = x mod m (HAC 14.42)
+ function barrettReduce(x) {
+ x.drShiftTo(this.m.t-1,this.r2);
+ if(x.t > this.m.t+1) { x.t = this.m.t+1; x.clamp(); }
+ this.mu.multiplyUpperTo(this.r2,this.m.t+1,this.q3);
+ this.m.multiplyLowerTo(this.q3,this.m.t+1,this.r2);
+ while(x.compareTo(this.r2) < 0) x.dAddOffset(1,this.m.t+1);
+ x.subTo(this.r2,x);
+ while(x.compareTo(this.m) >= 0) x.subTo(this.m,x);
+ }
+
+ // r = x^2 mod m; x != r
+ function barrettSqrTo(x,r) { x.squareTo(r); this.reduce(r); }
+
+ // r = x*y mod m; x,y != r
+ function barrettMulTo(x,y,r) { x.multiplyTo(y,r); this.reduce(r); }
+
+ Barrett.prototype.convert = barrettConvert;
+ Barrett.prototype.revert = barrettRevert;
+ Barrett.prototype.reduce = barrettReduce;
+ Barrett.prototype.mulTo = barrettMulTo;
+ Barrett.prototype.sqrTo = barrettSqrTo;
+
+ // (public) this^e % m (HAC 14.85)
+ function bnModPow(e,m) {
+ var i = e.bitLength(), k, r = nbv(1), z;
+ if(i <= 0) return r;
+ else if(i < 18) k = 1;
+ else if(i < 48) k = 3;
+ else if(i < 144) k = 4;
+ else if(i < 768) k = 5;
+ else k = 6;
+ if(i < 8)
+ z = new Classic(m);
+ else if(m.isEven())
+ z = new Barrett(m);
+ else
+ z = new Montgomery(m);
+
+ // precomputation
+ var g = new Array(), n = 3, k1 = k-1, km = (1< 1) {
+ var g2 = nbi();
+ z.sqrTo(g[1],g2);
+ while(n <= km) {
+ g[n] = nbi();
+ z.mulTo(g2,g[n-2],g[n]);
+ n += 2;
+ }
+ }
+
+ var j = e.t-1, w, is1 = true, r2 = nbi(), t;
+ i = nbits(e[j])-1;
+ while(j >= 0) {
+ if(i >= k1) w = (e[j]>>(i-k1))&km;
+ else {
+ w = (e[j]&((1<<(i+1))-1))<<(k1-i);
+ if(j > 0) w |= e[j-1]>>(this.DB+i-k1);
+ }
+
+ n = k;
+ while((w&1) == 0) { w >>= 1; --n; }
+ if((i -= n) < 0) { i += this.DB; --j; }
+ if(is1) { // ret == 1, don't bother squaring or multiplying it
+ g[w].copyTo(r);
+ is1 = false;
+ }
+ else {
+ while(n > 1) { z.sqrTo(r,r2); z.sqrTo(r2,r); n -= 2; }
+ if(n > 0) z.sqrTo(r,r2); else { t = r; r = r2; r2 = t; }
+ z.mulTo(r2,g[w],r);
+ }
+
+ while(j >= 0 && (e[j]&(1< 0) {
+ x.rShiftTo(g,x);
+ y.rShiftTo(g,y);
+ }
+ while(x.signum() > 0) {
+ if((i = x.getLowestSetBit()) > 0) x.rShiftTo(i,x);
+ if((i = y.getLowestSetBit()) > 0) y.rShiftTo(i,y);
+ if(x.compareTo(y) >= 0) {
+ x.subTo(y,x);
+ x.rShiftTo(1,x);
+ }
+ else {
+ y.subTo(x,y);
+ y.rShiftTo(1,y);
+ }
+ }
+ if(g > 0) y.lShiftTo(g,y);
+ return y;
+ }
+
+ // (protected) this % n, n < 2^26
+ function bnpModInt(n) {
+ if(n <= 0) return 0;
+ var d = this.DV%n, r = (this.s<0)?n-1:0;
+ if(this.t > 0)
+ if(d == 0) r = this[0]%n;
+ else for(var i = this.t-1; i >= 0; --i) r = (d*r+this[i])%n;
+ return r;
+ }
+
+ // (public) 1/this % m (HAC 14.61)
+ function bnModInverse(m) {
+ var ac = m.isEven();
+ if((this.isEven() && ac) || m.signum() == 0) return BigInteger.ZERO;
+ var u = m.clone(), v = this.clone();
+ var a = nbv(1), b = nbv(0), c = nbv(0), d = nbv(1);
+ while(u.signum() != 0) {
+ while(u.isEven()) {
+ u.rShiftTo(1,u);
+ if(ac) {
+ if(!a.isEven() || !b.isEven()) { a.addTo(this,a); b.subTo(m,b); }
+ a.rShiftTo(1,a);
+ }
+ else if(!b.isEven()) b.subTo(m,b);
+ b.rShiftTo(1,b);
+ }
+ while(v.isEven()) {
+ v.rShiftTo(1,v);
+ if(ac) {
+ if(!c.isEven() || !d.isEven()) { c.addTo(this,c); d.subTo(m,d); }
+ c.rShiftTo(1,c);
+ }
+ else if(!d.isEven()) d.subTo(m,d);
+ d.rShiftTo(1,d);
+ }
+ if(u.compareTo(v) >= 0) {
+ u.subTo(v,u);
+ if(ac) a.subTo(c,a);
+ b.subTo(d,b);
+ }
+ else {
+ v.subTo(u,v);
+ if(ac) c.subTo(a,c);
+ d.subTo(b,d);
+ }
+ }
+ if(v.compareTo(BigInteger.ONE) != 0) return BigInteger.ZERO;
+ if(d.compareTo(m) >= 0) return d.subtract(m);
+ if(d.signum() < 0) d.addTo(m,d); else return d;
+ if(d.signum() < 0) return d.add(m); else return d;
+ }
+
+ var lowprimes = [2,3,5,7,11,13,17,19,23,29,31,37,41,43,47,53,59,61,67,71,73,79,83,89,97,101,103,107,109,113,127,131,137,139,149,151,157,163,167,173,179,181,191,193,197,199,211,223,227,229,233,239,241,251,257,263,269,271,277,281,283,293,307,311,313,317,331,337,347,349,353,359,367,373,379,383,389,397,401,409,419,421,431,433,439,443,449,457,461,463,467,479,487,491,499,503,509,521,523,541,547,557,563,569,571,577,587,593,599,601,607,613,617,619,631,641,643,647,653,659,661,673,677,683,691,701,709,719,727,733,739,743,751,757,761,769,773,787,797,809,811,821,823,827,829,839,853,857,859,863,877,881,883,887,907,911,919,929,937,941,947,953,967,971,977,983,991,997];
+ var lplim = (1<<26)/lowprimes[lowprimes.length-1];
+
+ // (public) test primality with certainty >= 1-.5^t
+ function bnIsProbablePrime(t) {
+ var i, x = this.abs();
+ if(x.t == 1 && x[0] <= lowprimes[lowprimes.length-1]) {
+ for(i = 0; i < lowprimes.length; ++i)
+ if(x[0] == lowprimes[i]) return true;
+ return false;
+ }
+ if(x.isEven()) return false;
+ i = 1;
+ while(i < lowprimes.length) {
+ var m = lowprimes[i], j = i+1;
+ while(j < lowprimes.length && m < lplim) m *= lowprimes[j++];
+ m = x.modInt(m);
+ while(i < j) if(m%lowprimes[i++] == 0) return false;
+ }
+ return x.millerRabin(t);
+ }
+
+ // (protected) true if probably prime (HAC 4.24, Miller-Rabin)
+ function bnpMillerRabin(t) {
+ var n1 = this.subtract(BigInteger.ONE);
+ var k = n1.getLowestSetBit();
+ if(k <= 0) return false;
+ var r = n1.shiftRight(k);
+ t = (t+1)>>1;
+ if(t > lowprimes.length) t = lowprimes.length;
+ var a = nbi();
+ for(var i = 0; i < t; ++i) {
+ //Pick bases at random, instead of starting at 2
+ a.fromInt(lowprimes[Math.floor(Math.random()*lowprimes.length)]);
+ var y = a.modPow(r,this);
+ if(y.compareTo(BigInteger.ONE) != 0 && y.compareTo(n1) != 0) {
+ var j = 1;
+ while(j++ < k && y.compareTo(n1) != 0) {
+ y = y.modPowInt(2,this);
+ if(y.compareTo(BigInteger.ONE) == 0) return false;
+ }
+ if(y.compareTo(n1) != 0) return false;
+ }
+ }
+ return true;
+ }
+
+ // protected
+ BigInteger.prototype.chunkSize = bnpChunkSize;
+ BigInteger.prototype.toRadix = bnpToRadix;
+ BigInteger.prototype.fromRadix = bnpFromRadix;
+ BigInteger.prototype.fromNumber = bnpFromNumber;
+ BigInteger.prototype.bitwiseTo = bnpBitwiseTo;
+ BigInteger.prototype.changeBit = bnpChangeBit;
+ BigInteger.prototype.addTo = bnpAddTo;
+ BigInteger.prototype.dMultiply = bnpDMultiply;
+ BigInteger.prototype.dAddOffset = bnpDAddOffset;
+ BigInteger.prototype.multiplyLowerTo = bnpMultiplyLowerTo;
+ BigInteger.prototype.multiplyUpperTo = bnpMultiplyUpperTo;
+ BigInteger.prototype.modInt = bnpModInt;
+ BigInteger.prototype.millerRabin = bnpMillerRabin;
+
+ // public
+ BigInteger.prototype.clone = bnClone;
+ BigInteger.prototype.intValue = bnIntValue;
+ BigInteger.prototype.byteValue = bnByteValue;
+ BigInteger.prototype.shortValue = bnShortValue;
+ BigInteger.prototype.signum = bnSigNum;
+ BigInteger.prototype.toByteArray = bnToByteArray;
+ BigInteger.prototype.equals = bnEquals;
+ BigInteger.prototype.min = bnMin;
+ BigInteger.prototype.max = bnMax;
+ BigInteger.prototype.and = bnAnd;
+ BigInteger.prototype.or = bnOr;
+ BigInteger.prototype.xor = bnXor;
+ BigInteger.prototype.andNot = bnAndNot;
+ BigInteger.prototype.not = bnNot;
+ BigInteger.prototype.shiftLeft = bnShiftLeft;
+ BigInteger.prototype.shiftRight = bnShiftRight;
+ BigInteger.prototype.getLowestSetBit = bnGetLowestSetBit;
+ BigInteger.prototype.bitCount = bnBitCount;
+ BigInteger.prototype.testBit = bnTestBit;
+ BigInteger.prototype.setBit = bnSetBit;
+ BigInteger.prototype.clearBit = bnClearBit;
+ BigInteger.prototype.flipBit = bnFlipBit;
+ BigInteger.prototype.add = bnAdd;
+ BigInteger.prototype.subtract = bnSubtract;
+ BigInteger.prototype.multiply = bnMultiply;
+ BigInteger.prototype.divide = bnDivide;
+ BigInteger.prototype.remainder = bnRemainder;
+ BigInteger.prototype.divideAndRemainder = bnDivideAndRemainder;
+ BigInteger.prototype.modPow = bnModPow;
+ BigInteger.prototype.modInverse = bnModInverse;
+ BigInteger.prototype.pow = bnPow;
+ BigInteger.prototype.gcd = bnGCD;
+ BigInteger.prototype.isProbablePrime = bnIsProbablePrime;
+
+ // JSBN-specific extension
+ BigInteger.prototype.square = bnSquare;
+
+ // Expose the Barrett function
+ BigInteger.prototype.Barrett = Barrett
+
+ // BigInteger interfaces not implemented in jsbn:
+
+ // BigInteger(int signum, byte[] magnitude)
+ // double doubleValue()
+ // float floatValue()
+ // int hashCode()
+ // long longValue()
+ // static BigInteger valueOf(long val)
+
+ // Random number generator - requires a PRNG backend, e.g. prng4.js
+
+ // For best results, put code like
+ //
+ // in your main HTML document.
+
+ var rng_state;
+ var rng_pool;
+ var rng_pptr;
+
+ // Mix in a 32-bit integer into the pool
+ function rng_seed_int(x) {
+ rng_pool[rng_pptr++] ^= x & 255;
+ rng_pool[rng_pptr++] ^= (x >> 8) & 255;
+ rng_pool[rng_pptr++] ^= (x >> 16) & 255;
+ rng_pool[rng_pptr++] ^= (x >> 24) & 255;
+ if(rng_pptr >= rng_psize) rng_pptr -= rng_psize;
+ }
+
+ // Mix in the current time (w/milliseconds) into the pool
+ function rng_seed_time() {
+ rng_seed_int(new Date().getTime());
+ }
+
+ // Initialize the pool with junk if needed.
+ if(rng_pool == null) {
+ rng_pool = new Array();
+ rng_pptr = 0;
+ var t;
+ if(typeof window !== "undefined" && window.crypto) {
+ if (window.crypto.getRandomValues) {
+ // Use webcrypto if available
+ var ua = new Uint8Array(32);
+ window.crypto.getRandomValues(ua);
+ for(t = 0; t < 32; ++t)
+ rng_pool[rng_pptr++] = ua[t];
+ }
+ else if(navigator.appName == "Netscape" && navigator.appVersion < "5") {
+ // Extract entropy (256 bits) from NS4 RNG if available
+ var z = window.crypto.random(32);
+ for(t = 0; t < z.length; ++t)
+ rng_pool[rng_pptr++] = z.charCodeAt(t) & 255;
+ }
+ }
+ while(rng_pptr < rng_psize) { // extract some randomness from Math.random()
+ t = Math.floor(65536 * Math.random());
+ rng_pool[rng_pptr++] = t >>> 8;
+ rng_pool[rng_pptr++] = t & 255;
+ }
+ rng_pptr = 0;
+ rng_seed_time();
+ //rng_seed_int(window.screenX);
+ //rng_seed_int(window.screenY);
+ }
+
+ function rng_get_byte() {
+ if(rng_state == null) {
+ rng_seed_time();
+ rng_state = prng_newstate();
+ rng_state.init(rng_pool);
+ for(rng_pptr = 0; rng_pptr < rng_pool.length; ++rng_pptr)
+ rng_pool[rng_pptr] = 0;
+ rng_pptr = 0;
+ //rng_pool = null;
+ }
+ // TODO: allow reseeding after first request
+ return rng_state.next();
+ }
+
+ function rng_get_bytes(ba) {
+ var i;
+ for(i = 0; i < ba.length; ++i) ba[i] = rng_get_byte();
+ }
+
+ function SecureRandom() {}
+
+ SecureRandom.prototype.nextBytes = rng_get_bytes;
+
+ // prng4.js - uses Arcfour as a PRNG
+
+ function Arcfour() {
+ this.i = 0;
+ this.j = 0;
+ this.S = new Array();
+ }
+
+ // Initialize arcfour context from key, an array of ints, each from [0..255]
+ function ARC4init(key) {
+ var i, j, t;
+ for(i = 0; i < 256; ++i)
+ this.S[i] = i;
+ j = 0;
+ for(i = 0; i < 256; ++i) {
+ j = (j + this.S[i] + key[i % key.length]) & 255;
+ t = this.S[i];
+ this.S[i] = this.S[j];
+ this.S[j] = t;
+ }
+ this.i = 0;
+ this.j = 0;
+ }
+
+ function ARC4next() {
+ var t;
+ this.i = (this.i + 1) & 255;
+ this.j = (this.j + this.S[this.i]) & 255;
+ t = this.S[this.i];
+ this.S[this.i] = this.S[this.j];
+ this.S[this.j] = t;
+ return this.S[(t + this.S[this.i]) & 255];
+ }
+
+ Arcfour.prototype.init = ARC4init;
+ Arcfour.prototype.next = ARC4next;
+
+ // Plug in your RNG constructor here
+ function prng_newstate() {
+ return new Arcfour();
+ }
+
+ // Pool size must be a multiple of 4 and greater than 32.
+ // An array of bytes the size of the pool will be passed to init()
+ var rng_psize = 256;
+
+ BigInteger.SecureRandom = SecureRandom;
+ BigInteger.BigInteger = BigInteger;
+ if (typeof exports !== 'undefined') {
+ exports = module.exports = BigInteger;
+ } else {
+ this.BigInteger = BigInteger;
+ this.SecureRandom = SecureRandom;
+ }
+
+}).call(this);
+
+},{}],287:[function(require,module,exports){
+'use strict';
+
+var traverse = module.exports = function (schema, opts, cb) {
+ if (typeof opts == 'function') {
+ cb = opts;
+ opts = {};
+ }
+ _traverse(opts, cb, schema, '', schema);
+};
+
+
+traverse.keywords = {
+ additionalItems: true,
+ items: true,
+ contains: true,
+ additionalProperties: true,
+ propertyNames: true,
+ not: true
+};
+
+traverse.arrayKeywords = {
+ items: true,
+ allOf: true,
+ anyOf: true,
+ oneOf: true
+};
+
+traverse.propsKeywords = {
+ definitions: true,
+ properties: true,
+ patternProperties: true,
+ dependencies: true
+};
+
+traverse.skipKeywords = {
+ enum: true,
+ const: true,
+ required: true,
+ maximum: true,
+ minimum: true,
+ exclusiveMaximum: true,
+ exclusiveMinimum: true,
+ multipleOf: true,
+ maxLength: true,
+ minLength: true,
+ pattern: true,
+ format: true,
+ maxItems: true,
+ minItems: true,
+ uniqueItems: true,
+ maxProperties: true,
+ minProperties: true
+};
+
+
+function _traverse(opts, cb, schema, jsonPtr, rootSchema, parentJsonPtr, parentKeyword, parentSchema, keyIndex) {
+ if (schema && typeof schema == 'object' && !Array.isArray(schema)) {
+ cb(schema, jsonPtr, rootSchema, parentJsonPtr, parentKeyword, parentSchema, keyIndex);
+ for (var key in schema) {
+ var sch = schema[key];
+ if (Array.isArray(sch)) {
+ if (key in traverse.arrayKeywords) {
+ for (var i=0; i schema.maxItems){
+ addError("There must be a maximum of " + schema.maxItems + " in the array");
+ }
+ }else if(schema.properties || schema.additionalProperties){
+ errors.concat(checkObj(value, schema.properties, path, schema.additionalProperties));
+ }
+ if(schema.pattern && typeof value == 'string' && !value.match(schema.pattern)){
+ addError("does not match the regex pattern " + schema.pattern);
+ }
+ if(schema.maxLength && typeof value == 'string' && value.length > schema.maxLength){
+ addError("may only be " + schema.maxLength + " characters long");
+ }
+ if(schema.minLength && typeof value == 'string' && value.length < schema.minLength){
+ addError("must be at least " + schema.minLength + " characters long");
+ }
+ if(typeof schema.minimum !== undefined && typeof value == typeof schema.minimum &&
+ schema.minimum > value){
+ addError("must have a minimum value of " + schema.minimum);
+ }
+ if(typeof schema.maximum !== undefined && typeof value == typeof schema.maximum &&
+ schema.maximum < value){
+ addError("must have a maximum value of " + schema.maximum);
+ }
+ if(schema['enum']){
+ var enumer = schema['enum'];
+ l = enumer.length;
+ var found;
+ for(var j = 0; j < l; j++){
+ if(enumer[j]===value){
+ found=1;
+ break;
+ }
+ }
+ if(!found){
+ addError("does not have a value in the enumeration " + enumer.join(", "));
+ }
+ }
+ if(typeof schema.maxDecimal == 'number' &&
+ (value.toString().match(new RegExp("\\.[0-9]{" + (schema.maxDecimal + 1) + ",}")))){
+ addError("may only have " + schema.maxDecimal + " digits of decimal places");
+ }
+ }
+ }
+ return null;
+ }
+ // validate an object against a schema
+ function checkObj(instance,objTypeDef,path,additionalProp){
+
+ if(typeof objTypeDef =='object'){
+ if(typeof instance != 'object' || instance instanceof Array){
+ errors.push({property:path,message:"an object is required"});
+ }
+
+ for(var i in objTypeDef){
+ if(objTypeDef.hasOwnProperty(i)){
+ var value = instance[i];
+ // skip _not_ specified properties
+ if (value === undefined && options.existingOnly) continue;
+ var propDef = objTypeDef[i];
+ // set default
+ if(value === undefined && propDef["default"]){
+ value = instance[i] = propDef["default"];
+ }
+ if(options.coerce && i in instance){
+ value = instance[i] = options.coerce(value, propDef);
+ }
+ checkProp(value,propDef,path,i);
+ }
+ }
+ }
+ for(i in instance){
+ if(instance.hasOwnProperty(i) && !(i.charAt(0) == '_' && i.charAt(1) == '_') && objTypeDef && !objTypeDef[i] && additionalProp===false){
+ if (options.filter) {
+ delete instance[i];
+ continue;
+ } else {
+ errors.push({property:path,message:(typeof value) + "The property " + i +
+ " is not defined in the schema and the schema does not allow additional properties"});
+ }
+ }
+ var requires = objTypeDef && objTypeDef[i] && objTypeDef[i].requires;
+ if(requires && !(requires in instance)){
+ errors.push({property:path,message:"the presence of the property " + i + " requires that " + requires + " also be present"});
+ }
+ value = instance[i];
+ if(additionalProp && (!(objTypeDef && typeof objTypeDef == 'object') || !(i in objTypeDef))){
+ if(options.coerce){
+ value = instance[i] = options.coerce(value, additionalProp);
+ }
+ checkProp(value,additionalProp,path,i);
+ }
+ if(!_changing && value && value.$schema){
+ errors = errors.concat(checkProp(value,value.$schema,path,i));
+ }
+ }
+ return errors;
+ }
+ if(schema){
+ checkProp(instance,schema,'',_changing || '');
+ }
+ if(!_changing && instance && instance.$schema){
+ checkProp(instance,instance.$schema,'','');
+ }
+ return {valid:!errors.length,errors:errors};
+};
+exports.mustBeValid = function(result){
+ // summary:
+ // This checks to ensure that the result is valid and will throw an appropriate error message if it is not
+ // result: the result returned from checkPropertyChange or validate
+ if(!result.valid){
+ throw new TypeError(result.errors.map(function(error){return "for property " + error.property + ': ' + error.message;}).join(", \n"));
+ }
+}
+
+return exports;
+}));
+
+},{}],289:[function(require,module,exports){
+exports = module.exports = stringify
+exports.getSerialize = serializer
+
+function stringify(obj, replacer, spaces, cycleReplacer) {
+ return JSON.stringify(obj, serializer(replacer, cycleReplacer), spaces)
+}
+
+function serializer(replacer, cycleReplacer) {
+ var stack = [], keys = []
+
+ if (cycleReplacer == null) cycleReplacer = function(key, value) {
+ if (stack[0] === value) return "[Circular ~]"
+ return "[Circular ~." + keys.slice(0, stack.indexOf(value)).join(".") + "]"
+ }
+
+ return function(key, value) {
+ if (stack.length > 0) {
+ var thisPos = stack.indexOf(this)
+ ~thisPos ? stack.splice(thisPos + 1) : stack.push(this)
+ ~thisPos ? keys.splice(thisPos, Infinity, key) : keys.push(key)
+ if (~stack.indexOf(value)) value = cycleReplacer.call(this, key, value)
+ }
+ else stack.push(value)
+
+ return replacer == null ? value : replacer.call(this, key, value)
+ }
+}
+
+},{}],290:[function(require,module,exports){
+/*
+ * lib/jsprim.js: utilities for primitive JavaScript types
+ */
+
+var mod_assert = require('assert-plus');
+var mod_util = require('util');
+
+var mod_extsprintf = require('extsprintf');
+var mod_verror = require('verror');
+var mod_jsonschema = require('json-schema');
+
+/*
+ * Public interface
+ */
+exports.deepCopy = deepCopy;
+exports.deepEqual = deepEqual;
+exports.isEmpty = isEmpty;
+exports.hasKey = hasKey;
+exports.forEachKey = forEachKey;
+exports.pluck = pluck;
+exports.flattenObject = flattenObject;
+exports.flattenIter = flattenIter;
+exports.validateJsonObject = validateJsonObjectJS;
+exports.validateJsonObjectJS = validateJsonObjectJS;
+exports.randElt = randElt;
+exports.extraProperties = extraProperties;
+exports.mergeObjects = mergeObjects;
+
+exports.startsWith = startsWith;
+exports.endsWith = endsWith;
+
+exports.parseInteger = parseInteger;
+
+exports.iso8601 = iso8601;
+exports.rfc1123 = rfc1123;
+exports.parseDateTime = parseDateTime;
+
+exports.hrtimediff = hrtimeDiff;
+exports.hrtimeDiff = hrtimeDiff;
+exports.hrtimeAccum = hrtimeAccum;
+exports.hrtimeAdd = hrtimeAdd;
+exports.hrtimeNanosec = hrtimeNanosec;
+exports.hrtimeMicrosec = hrtimeMicrosec;
+exports.hrtimeMillisec = hrtimeMillisec;
+
+
+/*
+ * Deep copy an acyclic *basic* Javascript object. This only handles basic
+ * scalars (strings, numbers, booleans) and arbitrarily deep arrays and objects
+ * containing these. This does *not* handle instances of other classes.
+ */
+function deepCopy(obj)
+{
+ var ret, key;
+ var marker = '__deepCopy';
+
+ if (obj && obj[marker])
+ throw (new Error('attempted deep copy of cyclic object'));
+
+ if (obj && obj.constructor == Object) {
+ ret = {};
+ obj[marker] = true;
+
+ for (key in obj) {
+ if (key == marker)
+ continue;
+
+ ret[key] = deepCopy(obj[key]);
+ }
+
+ delete (obj[marker]);
+ return (ret);
+ }
+
+ if (obj && obj.constructor == Array) {
+ ret = [];
+ obj[marker] = true;
+
+ for (key = 0; key < obj.length; key++)
+ ret.push(deepCopy(obj[key]));
+
+ delete (obj[marker]);
+ return (ret);
+ }
+
+ /*
+ * It must be a primitive type -- just return it.
+ */
+ return (obj);
+}
+
+function deepEqual(obj1, obj2)
+{
+ if (typeof (obj1) != typeof (obj2))
+ return (false);
+
+ if (obj1 === null || obj2 === null || typeof (obj1) != 'object')
+ return (obj1 === obj2);
+
+ if (obj1.constructor != obj2.constructor)
+ return (false);
+
+ var k;
+ for (k in obj1) {
+ if (!obj2.hasOwnProperty(k))
+ return (false);
+
+ if (!deepEqual(obj1[k], obj2[k]))
+ return (false);
+ }
+
+ for (k in obj2) {
+ if (!obj1.hasOwnProperty(k))
+ return (false);
+ }
+
+ return (true);
+}
+
+function isEmpty(obj)
+{
+ var key;
+ for (key in obj)
+ return (false);
+ return (true);
+}
+
+function hasKey(obj, key)
+{
+ mod_assert.equal(typeof (key), 'string');
+ return (Object.prototype.hasOwnProperty.call(obj, key));
+}
+
+function forEachKey(obj, callback)
+{
+ for (var key in obj) {
+ if (hasKey(obj, key)) {
+ callback(key, obj[key]);
+ }
+ }
+}
+
+function pluck(obj, key)
+{
+ mod_assert.equal(typeof (key), 'string');
+ return (pluckv(obj, key));
+}
+
+function pluckv(obj, key)
+{
+ if (obj === null || typeof (obj) !== 'object')
+ return (undefined);
+
+ if (obj.hasOwnProperty(key))
+ return (obj[key]);
+
+ var i = key.indexOf('.');
+ if (i == -1)
+ return (undefined);
+
+ var key1 = key.substr(0, i);
+ if (!obj.hasOwnProperty(key1))
+ return (undefined);
+
+ return (pluckv(obj[key1], key.substr(i + 1)));
+}
+
+/*
+ * Invoke callback(row) for each entry in the array that would be returned by
+ * flattenObject(data, depth). This is just like flattenObject(data,
+ * depth).forEach(callback), except that the intermediate array is never
+ * created.
+ */
+function flattenIter(data, depth, callback)
+{
+ doFlattenIter(data, depth, [], callback);
+}
+
+function doFlattenIter(data, depth, accum, callback)
+{
+ var each;
+ var key;
+
+ if (depth === 0) {
+ each = accum.slice(0);
+ each.push(data);
+ callback(each);
+ return;
+ }
+
+ mod_assert.ok(data !== null);
+ mod_assert.equal(typeof (data), 'object');
+ mod_assert.equal(typeof (depth), 'number');
+ mod_assert.ok(depth >= 0);
+
+ for (key in data) {
+ each = accum.slice(0);
+ each.push(key);
+ doFlattenIter(data[key], depth - 1, each, callback);
+ }
+}
+
+function flattenObject(data, depth)
+{
+ if (depth === 0)
+ return ([ data ]);
+
+ mod_assert.ok(data !== null);
+ mod_assert.equal(typeof (data), 'object');
+ mod_assert.equal(typeof (depth), 'number');
+ mod_assert.ok(depth >= 0);
+
+ var rv = [];
+ var key;
+
+ for (key in data) {
+ flattenObject(data[key], depth - 1).forEach(function (p) {
+ rv.push([ key ].concat(p));
+ });
+ }
+
+ return (rv);
+}
+
+function startsWith(str, prefix)
+{
+ return (str.substr(0, prefix.length) == prefix);
+}
+
+function endsWith(str, suffix)
+{
+ return (str.substr(
+ str.length - suffix.length, suffix.length) == suffix);
+}
+
+function iso8601(d)
+{
+ if (typeof (d) == 'number')
+ d = new Date(d);
+ mod_assert.ok(d.constructor === Date);
+ return (mod_extsprintf.sprintf('%4d-%02d-%02dT%02d:%02d:%02d.%03dZ',
+ d.getUTCFullYear(), d.getUTCMonth() + 1, d.getUTCDate(),
+ d.getUTCHours(), d.getUTCMinutes(), d.getUTCSeconds(),
+ d.getUTCMilliseconds()));
+}
+
+var RFC1123_MONTHS = [
+ 'Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun',
+ 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec'];
+var RFC1123_DAYS = [
+ 'Sun', 'Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat'];
+
+function rfc1123(date) {
+ return (mod_extsprintf.sprintf('%s, %02d %s %04d %02d:%02d:%02d GMT',
+ RFC1123_DAYS[date.getUTCDay()], date.getUTCDate(),
+ RFC1123_MONTHS[date.getUTCMonth()], date.getUTCFullYear(),
+ date.getUTCHours(), date.getUTCMinutes(),
+ date.getUTCSeconds()));
+}
+
+/*
+ * Parses a date expressed as a string, as either a number of milliseconds since
+ * the epoch or any string format that Date accepts, giving preference to the
+ * former where these two sets overlap (e.g., small numbers).
+ */
+function parseDateTime(str)
+{
+ /*
+ * This is irritatingly implicit, but significantly more concise than
+ * alternatives. The "+str" will convert a string containing only a
+ * number directly to a Number, or NaN for other strings. Thus, if the
+ * conversion succeeds, we use it (this is the milliseconds-since-epoch
+ * case). Otherwise, we pass the string directly to the Date
+ * constructor to parse.
+ */
+ var numeric = +str;
+ if (!isNaN(numeric)) {
+ return (new Date(numeric));
+ } else {
+ return (new Date(str));
+ }
+}
+
+
+/*
+ * Number.*_SAFE_INTEGER isn't present before node v0.12, so we hardcode
+ * the ES6 definitions here, while allowing for them to someday be higher.
+ */
+var MAX_SAFE_INTEGER = Number.MAX_SAFE_INTEGER || 9007199254740991;
+var MIN_SAFE_INTEGER = Number.MIN_SAFE_INTEGER || -9007199254740991;
+
+
+/*
+ * Default options for parseInteger().
+ */
+var PI_DEFAULTS = {
+ base: 10,
+ allowSign: true,
+ allowPrefix: false,
+ allowTrailing: false,
+ allowImprecise: false,
+ trimWhitespace: false,
+ leadingZeroIsOctal: false
+};
+
+var CP_0 = 0x30;
+var CP_9 = 0x39;
+
+var CP_A = 0x41;
+var CP_B = 0x42;
+var CP_O = 0x4f;
+var CP_T = 0x54;
+var CP_X = 0x58;
+var CP_Z = 0x5a;
+
+var CP_a = 0x61;
+var CP_b = 0x62;
+var CP_o = 0x6f;
+var CP_t = 0x74;
+var CP_x = 0x78;
+var CP_z = 0x7a;
+
+var PI_CONV_DEC = 0x30;
+var PI_CONV_UC = 0x37;
+var PI_CONV_LC = 0x57;
+
+
+/*
+ * A stricter version of parseInt() that provides options for changing what
+ * is an acceptable string (for example, disallowing trailing characters).
+ */
+function parseInteger(str, uopts)
+{
+ mod_assert.string(str, 'str');
+ mod_assert.optionalObject(uopts, 'options');
+
+ var baseOverride = false;
+ var options = PI_DEFAULTS;
+
+ if (uopts) {
+ baseOverride = hasKey(uopts, 'base');
+ options = mergeObjects(options, uopts);
+ mod_assert.number(options.base, 'options.base');
+ mod_assert.ok(options.base >= 2, 'options.base >= 2');
+ mod_assert.ok(options.base <= 36, 'options.base <= 36');
+ mod_assert.bool(options.allowSign, 'options.allowSign');
+ mod_assert.bool(options.allowPrefix, 'options.allowPrefix');
+ mod_assert.bool(options.allowTrailing,
+ 'options.allowTrailing');
+ mod_assert.bool(options.allowImprecise,
+ 'options.allowImprecise');
+ mod_assert.bool(options.trimWhitespace,
+ 'options.trimWhitespace');
+ mod_assert.bool(options.leadingZeroIsOctal,
+ 'options.leadingZeroIsOctal');
+
+ if (options.leadingZeroIsOctal) {
+ mod_assert.ok(!baseOverride,
+ '"base" and "leadingZeroIsOctal" are ' +
+ 'mutually exclusive');
+ }
+ }
+
+ var c;
+ var pbase = -1;
+ var base = options.base;
+ var start;
+ var mult = 1;
+ var value = 0;
+ var idx = 0;
+ var len = str.length;
+
+ /* Trim any whitespace on the left side. */
+ if (options.trimWhitespace) {
+ while (idx < len && isSpace(str.charCodeAt(idx))) {
+ ++idx;
+ }
+ }
+
+ /* Check the number for a leading sign. */
+ if (options.allowSign) {
+ if (str[idx] === '-') {
+ idx += 1;
+ mult = -1;
+ } else if (str[idx] === '+') {
+ idx += 1;
+ }
+ }
+
+ /* Parse the base-indicating prefix if there is one. */
+ if (str[idx] === '0') {
+ if (options.allowPrefix) {
+ pbase = prefixToBase(str.charCodeAt(idx + 1));
+ if (pbase !== -1 && (!baseOverride || pbase === base)) {
+ base = pbase;
+ idx += 2;
+ }
+ }
+
+ if (pbase === -1 && options.leadingZeroIsOctal) {
+ base = 8;
+ }
+ }
+
+ /* Parse the actual digits. */
+ for (start = idx; idx < len; ++idx) {
+ c = translateDigit(str.charCodeAt(idx));
+ if (c !== -1 && c < base) {
+ value *= base;
+ value += c;
+ } else {
+ break;
+ }
+ }
+
+ /* If we didn't parse any digits, we have an invalid number. */
+ if (start === idx) {
+ return (new Error('invalid number: ' + JSON.stringify(str)));
+ }
+
+ /* Trim any whitespace on the right side. */
+ if (options.trimWhitespace) {
+ while (idx < len && isSpace(str.charCodeAt(idx))) {
+ ++idx;
+ }
+ }
+
+ /* Check for trailing characters. */
+ if (idx < len && !options.allowTrailing) {
+ return (new Error('trailing characters after number: ' +
+ JSON.stringify(str.slice(idx))));
+ }
+
+ /* If our value is 0, we return now, to avoid returning -0. */
+ if (value === 0) {
+ return (0);
+ }
+
+ /* Calculate our final value. */
+ var result = value * mult;
+
+ /*
+ * If the string represents a value that cannot be precisely represented
+ * by JavaScript, then we want to check that:
+ *
+ * - We never increased the value past MAX_SAFE_INTEGER
+ * - We don't make the result negative and below MIN_SAFE_INTEGER
+ *
+ * Because we only ever increment the value during parsing, there's no
+ * chance of moving past MAX_SAFE_INTEGER and then dropping below it
+ * again, losing precision in the process. This means that we only need
+ * to do our checks here, at the end.
+ */
+ if (!options.allowImprecise &&
+ (value > MAX_SAFE_INTEGER || result < MIN_SAFE_INTEGER)) {
+ return (new Error('number is outside of the supported range: ' +
+ JSON.stringify(str.slice(start, idx))));
+ }
+
+ return (result);
+}
+
+
+/*
+ * Interpret a character code as a base-36 digit.
+ */
+function translateDigit(d)
+{
+ if (d >= CP_0 && d <= CP_9) {
+ /* '0' to '9' -> 0 to 9 */
+ return (d - PI_CONV_DEC);
+ } else if (d >= CP_A && d <= CP_Z) {
+ /* 'A' - 'Z' -> 10 to 35 */
+ return (d - PI_CONV_UC);
+ } else if (d >= CP_a && d <= CP_z) {
+ /* 'a' - 'z' -> 10 to 35 */
+ return (d - PI_CONV_LC);
+ } else {
+ /* Invalid character code */
+ return (-1);
+ }
+}
+
+
+/*
+ * Test if a value matches the ECMAScript definition of trimmable whitespace.
+ */
+function isSpace(c)
+{
+ return (c === 0x20) ||
+ (c >= 0x0009 && c <= 0x000d) ||
+ (c === 0x00a0) ||
+ (c === 0x1680) ||
+ (c === 0x180e) ||
+ (c >= 0x2000 && c <= 0x200a) ||
+ (c === 0x2028) ||
+ (c === 0x2029) ||
+ (c === 0x202f) ||
+ (c === 0x205f) ||
+ (c === 0x3000) ||
+ (c === 0xfeff);
+}
+
+
+/*
+ * Determine which base a character indicates (e.g., 'x' indicates hex).
+ */
+function prefixToBase(c)
+{
+ if (c === CP_b || c === CP_B) {
+ /* 0b/0B (binary) */
+ return (2);
+ } else if (c === CP_o || c === CP_O) {
+ /* 0o/0O (octal) */
+ return (8);
+ } else if (c === CP_t || c === CP_T) {
+ /* 0t/0T (decimal) */
+ return (10);
+ } else if (c === CP_x || c === CP_X) {
+ /* 0x/0X (hexadecimal) */
+ return (16);
+ } else {
+ /* Not a meaningful character */
+ return (-1);
+ }
+}
+
+
+function validateJsonObjectJS(schema, input)
+{
+ var report = mod_jsonschema.validate(input, schema);
+
+ if (report.errors.length === 0)
+ return (null);
+
+ /* Currently, we only do anything useful with the first error. */
+ var error = report.errors[0];
+
+ /* The failed property is given by a URI with an irrelevant prefix. */
+ var propname = error['property'];
+ var reason = error['message'].toLowerCase();
+ var i, j;
+
+ /*
+ * There's at least one case where the property error message is
+ * confusing at best. We work around this here.
+ */
+ if ((i = reason.indexOf('the property ')) != -1 &&
+ (j = reason.indexOf(' is not defined in the schema and the ' +
+ 'schema does not allow additional properties')) != -1) {
+ i += 'the property '.length;
+ if (propname === '')
+ propname = reason.substr(i, j - i);
+ else
+ propname = propname + '.' + reason.substr(i, j - i);
+
+ reason = 'unsupported property';
+ }
+
+ var rv = new mod_verror.VError('property "%s": %s', propname, reason);
+ rv.jsv_details = error;
+ return (rv);
+}
+
+function randElt(arr)
+{
+ mod_assert.ok(Array.isArray(arr) && arr.length > 0,
+ 'randElt argument must be a non-empty array');
+
+ return (arr[Math.floor(Math.random() * arr.length)]);
+}
+
+function assertHrtime(a)
+{
+ mod_assert.ok(a[0] >= 0 && a[1] >= 0,
+ 'negative numbers not allowed in hrtimes');
+ mod_assert.ok(a[1] < 1e9, 'nanoseconds column overflow');
+}
+
+/*
+ * Compute the time elapsed between hrtime readings A and B, where A is later
+ * than B. hrtime readings come from Node's process.hrtime(). There is no
+ * defined way to represent negative deltas, so it's illegal to diff B from A
+ * where the time denoted by B is later than the time denoted by A. If this
+ * becomes valuable, we can define a representation and extend the
+ * implementation to support it.
+ */
+function hrtimeDiff(a, b)
+{
+ assertHrtime(a);
+ assertHrtime(b);
+ mod_assert.ok(a[0] > b[0] || (a[0] == b[0] && a[1] >= b[1]),
+ 'negative differences not allowed');
+
+ var rv = [ a[0] - b[0], 0 ];
+
+ if (a[1] >= b[1]) {
+ rv[1] = a[1] - b[1];
+ } else {
+ rv[0]--;
+ rv[1] = 1e9 - (b[1] - a[1]);
+ }
+
+ return (rv);
+}
+
+/*
+ * Convert a hrtime reading from the array format returned by Node's
+ * process.hrtime() into a scalar number of nanoseconds.
+ */
+function hrtimeNanosec(a)
+{
+ assertHrtime(a);
+
+ return (Math.floor(a[0] * 1e9 + a[1]));
+}
+
+/*
+ * Convert a hrtime reading from the array format returned by Node's
+ * process.hrtime() into a scalar number of microseconds.
+ */
+function hrtimeMicrosec(a)
+{
+ assertHrtime(a);
+
+ return (Math.floor(a[0] * 1e6 + a[1] / 1e3));
+}
+
+/*
+ * Convert a hrtime reading from the array format returned by Node's
+ * process.hrtime() into a scalar number of milliseconds.
+ */
+function hrtimeMillisec(a)
+{
+ assertHrtime(a);
+
+ return (Math.floor(a[0] * 1e3 + a[1] / 1e6));
+}
+
+/*
+ * Add two hrtime readings A and B, overwriting A with the result of the
+ * addition. This function is useful for accumulating several hrtime intervals
+ * into a counter. Returns A.
+ */
+function hrtimeAccum(a, b)
+{
+ assertHrtime(a);
+ assertHrtime(b);
+
+ /*
+ * Accumulate the nanosecond component.
+ */
+ a[1] += b[1];
+ if (a[1] >= 1e9) {
+ /*
+ * The nanosecond component overflowed, so carry to the seconds
+ * field.
+ */
+ a[0]++;
+ a[1] -= 1e9;
+ }
+
+ /*
+ * Accumulate the seconds component.
+ */
+ a[0] += b[0];
+
+ return (a);
+}
+
+/*
+ * Add two hrtime readings A and B, returning the result as a new hrtime array.
+ * Does not modify either input argument.
+ */
+function hrtimeAdd(a, b)
+{
+ assertHrtime(a);
+
+ var rv = [ a[0], a[1] ];
+
+ return (hrtimeAccum(rv, b));
+}
+
+
+/*
+ * Check an object for unexpected properties. Accepts the object to check, and
+ * an array of allowed property names (strings). Returns an array of key names
+ * that were found on the object, but did not appear in the list of allowed
+ * properties. If no properties were found, the returned array will be of
+ * zero length.
+ */
+function extraProperties(obj, allowed)
+{
+ mod_assert.ok(typeof (obj) === 'object' && obj !== null,
+ 'obj argument must be a non-null object');
+ mod_assert.ok(Array.isArray(allowed),
+ 'allowed argument must be an array of strings');
+ for (var i = 0; i < allowed.length; i++) {
+ mod_assert.ok(typeof (allowed[i]) === 'string',
+ 'allowed argument must be an array of strings');
+ }
+
+ return (Object.keys(obj).filter(function (key) {
+ return (allowed.indexOf(key) === -1);
+ }));
+}
+
+/*
+ * Given three sets of properties "provided" (may be undefined), "overrides"
+ * (required), and "defaults" (may be undefined), construct an object containing
+ * the union of these sets with "overrides" overriding "provided", and
+ * "provided" overriding "defaults". None of the input objects are modified.
+ */
+function mergeObjects(provided, overrides, defaults)
+{
+ var rv, k;
+
+ rv = {};
+ if (defaults) {
+ for (k in defaults)
+ rv[k] = defaults[k];
+ }
+
+ if (provided) {
+ for (k in provided)
+ rv[k] = provided[k];
+ }
+
+ if (overrides) {
+ for (k in overrides)
+ rv[k] = overrides[k];
+ }
+
+ return (rv);
+}
+
+},{"assert-plus":67,"extsprintf":203,"json-schema":288,"util":844,"verror":850}],291:[function(require,module,exports){
+(function (global){
+/**
+ * lodash (Custom Build)
+ * Build: `lodash modularize exports="npm" -o ./`
+ * Copyright jQuery Foundation and other contributors
+ * Released under MIT license
+ * Based on Underscore.js 1.8.3
+ * Copyright Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors
+ */
+
+/** Used as the size to enable large array optimizations. */
+var LARGE_ARRAY_SIZE = 200;
+
+/** Used as the `TypeError` message for "Functions" methods. */
+var FUNC_ERROR_TEXT = 'Expected a function';
+
+/** Used to stand-in for `undefined` hash values. */
+var HASH_UNDEFINED = '__lodash_hash_undefined__';
+
+/** Used to compose bitmasks for comparison styles. */
+var UNORDERED_COMPARE_FLAG = 1,
+ PARTIAL_COMPARE_FLAG = 2;
+
+/** Used as references for various `Number` constants. */
+var INFINITY = 1 / 0,
+ MAX_SAFE_INTEGER = 9007199254740991;
+
+/** `Object#toString` result references. */
+var argsTag = '[object Arguments]',
+ arrayTag = '[object Array]',
+ boolTag = '[object Boolean]',
+ dateTag = '[object Date]',
+ errorTag = '[object Error]',
+ funcTag = '[object Function]',
+ genTag = '[object GeneratorFunction]',
+ mapTag = '[object Map]',
+ numberTag = '[object Number]',
+ objectTag = '[object Object]',
+ promiseTag = '[object Promise]',
+ regexpTag = '[object RegExp]',
+ setTag = '[object Set]',
+ stringTag = '[object String]',
+ symbolTag = '[object Symbol]',
+ weakMapTag = '[object WeakMap]';
+
+var arrayBufferTag = '[object ArrayBuffer]',
+ dataViewTag = '[object DataView]',
+ float32Tag = '[object Float32Array]',
+ float64Tag = '[object Float64Array]',
+ int8Tag = '[object Int8Array]',
+ int16Tag = '[object Int16Array]',
+ int32Tag = '[object Int32Array]',
+ uint8Tag = '[object Uint8Array]',
+ uint8ClampedTag = '[object Uint8ClampedArray]',
+ uint16Tag = '[object Uint16Array]',
+ uint32Tag = '[object Uint32Array]';
+
+/** Used to match property names within property paths. */
+var reIsDeepProp = /\.|\[(?:[^[\]]*|(["'])(?:(?!\1)[^\\]|\\.)*?\1)\]/,
+ reIsPlainProp = /^\w*$/,
+ reLeadingDot = /^\./,
+ rePropName = /[^.[\]]+|\[(?:(-?\d+(?:\.\d+)?)|(["'])((?:(?!\2)[^\\]|\\.)*?)\2)\]|(?=(?:\.|\[\])(?:\.|\[\]|$))/g;
+
+/**
+ * Used to match `RegExp`
+ * [syntax characters](http://ecma-international.org/ecma-262/7.0/#sec-patterns).
+ */
+var reRegExpChar = /[\\^$.*+?()[\]{}|]/g;
+
+/** Used to match backslashes in property paths. */
+var reEscapeChar = /\\(\\)?/g;
+
+/** Used to detect host constructors (Safari). */
+var reIsHostCtor = /^\[object .+?Constructor\]$/;
+
+/** Used to detect unsigned integer values. */
+var reIsUint = /^(?:0|[1-9]\d*)$/;
+
+/** Used to identify `toStringTag` values of typed arrays. */
+var typedArrayTags = {};
+typedArrayTags[float32Tag] = typedArrayTags[float64Tag] =
+typedArrayTags[int8Tag] = typedArrayTags[int16Tag] =
+typedArrayTags[int32Tag] = typedArrayTags[uint8Tag] =
+typedArrayTags[uint8ClampedTag] = typedArrayTags[uint16Tag] =
+typedArrayTags[uint32Tag] = true;
+typedArrayTags[argsTag] = typedArrayTags[arrayTag] =
+typedArrayTags[arrayBufferTag] = typedArrayTags[boolTag] =
+typedArrayTags[dataViewTag] = typedArrayTags[dateTag] =
+typedArrayTags[errorTag] = typedArrayTags[funcTag] =
+typedArrayTags[mapTag] = typedArrayTags[numberTag] =
+typedArrayTags[objectTag] = typedArrayTags[regexpTag] =
+typedArrayTags[setTag] = typedArrayTags[stringTag] =
+typedArrayTags[weakMapTag] = false;
+
+/** Detect free variable `global` from Node.js. */
+var freeGlobal = typeof global == 'object' && global && global.Object === Object && global;
+
+/** Detect free variable `self`. */
+var freeSelf = typeof self == 'object' && self && self.Object === Object && self;
+
+/** Used as a reference to the global object. */
+var root = freeGlobal || freeSelf || Function('return this')();
+
+/** Detect free variable `exports`. */
+var freeExports = typeof exports == 'object' && exports && !exports.nodeType && exports;
+
+/** Detect free variable `module`. */
+var freeModule = freeExports && typeof module == 'object' && module && !module.nodeType && module;
+
+/** Detect the popular CommonJS extension `module.exports`. */
+var moduleExports = freeModule && freeModule.exports === freeExports;
+
+/** Detect free variable `process` from Node.js. */
+var freeProcess = moduleExports && freeGlobal.process;
+
+/** Used to access faster Node.js helpers. */
+var nodeUtil = (function() {
+ try {
+ return freeProcess && freeProcess.binding('util');
+ } catch (e) {}
+}());
+
+/* Node.js helper references. */
+var nodeIsTypedArray = nodeUtil && nodeUtil.isTypedArray;
+
+/**
+ * A faster alternative to `Function#apply`, this function invokes `func`
+ * with the `this` binding of `thisArg` and the arguments of `args`.
+ *
+ * @private
+ * @param {Function} func The function to invoke.
+ * @param {*} thisArg The `this` binding of `func`.
+ * @param {Array} args The arguments to invoke `func` with.
+ * @returns {*} Returns the result of `func`.
+ */
+function apply(func, thisArg, args) {
+ switch (args.length) {
+ case 0: return func.call(thisArg);
+ case 1: return func.call(thisArg, args[0]);
+ case 2: return func.call(thisArg, args[0], args[1]);
+ case 3: return func.call(thisArg, args[0], args[1], args[2]);
+ }
+ return func.apply(thisArg, args);
+}
+
+/**
+ * A specialized version of `_.map` for arrays without support for iteratee
+ * shorthands.
+ *
+ * @private
+ * @param {Array} [array] The array to iterate over.
+ * @param {Function} iteratee The function invoked per iteration.
+ * @returns {Array} Returns the new mapped array.
+ */
+function arrayMap(array, iteratee) {
+ var index = -1,
+ length = array ? array.length : 0,
+ result = Array(length);
+
+ while (++index < length) {
+ result[index] = iteratee(array[index], index, array);
+ }
+ return result;
+}
+
+/**
+ * Appends the elements of `values` to `array`.
+ *
+ * @private
+ * @param {Array} array The array to modify.
+ * @param {Array} values The values to append.
+ * @returns {Array} Returns `array`.
+ */
+function arrayPush(array, values) {
+ var index = -1,
+ length = values.length,
+ offset = array.length;
+
+ while (++index < length) {
+ array[offset + index] = values[index];
+ }
+ return array;
+}
+
+/**
+ * A specialized version of `_.some` for arrays without support for iteratee
+ * shorthands.
+ *
+ * @private
+ * @param {Array} [array] The array to iterate over.
+ * @param {Function} predicate The function invoked per iteration.
+ * @returns {boolean} Returns `true` if any element passes the predicate check,
+ * else `false`.
+ */
+function arraySome(array, predicate) {
+ var index = -1,
+ length = array ? array.length : 0;
+
+ while (++index < length) {
+ if (predicate(array[index], index, array)) {
+ return true;
+ }
+ }
+ return false;
+}
+
+/**
+ * The base implementation of `_.property` without support for deep paths.
+ *
+ * @private
+ * @param {string} key The key of the property to get.
+ * @returns {Function} Returns the new accessor function.
+ */
+function baseProperty(key) {
+ return function(object) {
+ return object == null ? undefined : object[key];
+ };
+}
+
+/**
+ * The base implementation of `_.sortBy` which uses `comparer` to define the
+ * sort order of `array` and replaces criteria objects with their corresponding
+ * values.
+ *
+ * @private
+ * @param {Array} array The array to sort.
+ * @param {Function} comparer The function to define sort order.
+ * @returns {Array} Returns `array`.
+ */
+function baseSortBy(array, comparer) {
+ var length = array.length;
+
+ array.sort(comparer);
+ while (length--) {
+ array[length] = array[length].value;
+ }
+ return array;
+}
+
+/**
+ * The base implementation of `_.times` without support for iteratee shorthands
+ * or max array length checks.
+ *
+ * @private
+ * @param {number} n The number of times to invoke `iteratee`.
+ * @param {Function} iteratee The function invoked per iteration.
+ * @returns {Array} Returns the array of results.
+ */
+function baseTimes(n, iteratee) {
+ var index = -1,
+ result = Array(n);
+
+ while (++index < n) {
+ result[index] = iteratee(index);
+ }
+ return result;
+}
+
+/**
+ * The base implementation of `_.unary` without support for storing metadata.
+ *
+ * @private
+ * @param {Function} func The function to cap arguments for.
+ * @returns {Function} Returns the new capped function.
+ */
+function baseUnary(func) {
+ return function(value) {
+ return func(value);
+ };
+}
+
+/**
+ * Gets the value at `key` of `object`.
+ *
+ * @private
+ * @param {Object} [object] The object to query.
+ * @param {string} key The key of the property to get.
+ * @returns {*} Returns the property value.
+ */
+function getValue(object, key) {
+ return object == null ? undefined : object[key];
+}
+
+/**
+ * Checks if `value` is a host object in IE < 9.
+ *
+ * @private
+ * @param {*} value The value to check.
+ * @returns {boolean} Returns `true` if `value` is a host object, else `false`.
+ */
+function isHostObject(value) {
+ // Many host objects are `Object` objects that can coerce to strings
+ // despite having improperly defined `toString` methods.
+ var result = false;
+ if (value != null && typeof value.toString != 'function') {
+ try {
+ result = !!(value + '');
+ } catch (e) {}
+ }
+ return result;
+}
+
+/**
+ * Converts `map` to its key-value pairs.
+ *
+ * @private
+ * @param {Object} map The map to convert.
+ * @returns {Array} Returns the key-value pairs.
+ */
+function mapToArray(map) {
+ var index = -1,
+ result = Array(map.size);
+
+ map.forEach(function(value, key) {
+ result[++index] = [key, value];
+ });
+ return result;
+}
+
+/**
+ * Creates a unary function that invokes `func` with its argument transformed.
+ *
+ * @private
+ * @param {Function} func The function to wrap.
+ * @param {Function} transform The argument transform.
+ * @returns {Function} Returns the new function.
+ */
+function overArg(func, transform) {
+ return function(arg) {
+ return func(transform(arg));
+ };
+}
+
+/**
+ * Converts `set` to an array of its values.
+ *
+ * @private
+ * @param {Object} set The set to convert.
+ * @returns {Array} Returns the values.
+ */
+function setToArray(set) {
+ var index = -1,
+ result = Array(set.size);
+
+ set.forEach(function(value) {
+ result[++index] = value;
+ });
+ return result;
+}
+
+/** Used for built-in method references. */
+var arrayProto = Array.prototype,
+ funcProto = Function.prototype,
+ objectProto = Object.prototype;
+
+/** Used to detect overreaching core-js shims. */
+var coreJsData = root['__core-js_shared__'];
+
+/** Used to detect methods masquerading as native. */
+var maskSrcKey = (function() {
+ var uid = /[^.]+$/.exec(coreJsData && coreJsData.keys && coreJsData.keys.IE_PROTO || '');
+ return uid ? ('Symbol(src)_1.' + uid) : '';
+}());
+
+/** Used to resolve the decompiled source of functions. */
+var funcToString = funcProto.toString;
+
+/** Used to check objects for own properties. */
+var hasOwnProperty = objectProto.hasOwnProperty;
+
+/**
+ * Used to resolve the
+ * [`toStringTag`](http://ecma-international.org/ecma-262/7.0/#sec-object.prototype.tostring)
+ * of values.
+ */
+var objectToString = objectProto.toString;
+
+/** Used to detect if a method is native. */
+var reIsNative = RegExp('^' +
+ funcToString.call(hasOwnProperty).replace(reRegExpChar, '\\$&')
+ .replace(/hasOwnProperty|(function).*?(?=\\\()| for .+?(?=\\\])/g, '$1.*?') + '$'
+);
+
+/** Built-in value references. */
+var Symbol = root.Symbol,
+ Uint8Array = root.Uint8Array,
+ propertyIsEnumerable = objectProto.propertyIsEnumerable,
+ splice = arrayProto.splice,
+ spreadableSymbol = Symbol ? Symbol.isConcatSpreadable : undefined;
+
+/* Built-in method references for those with the same name as other `lodash` methods. */
+var nativeKeys = overArg(Object.keys, Object),
+ nativeMax = Math.max;
+
+/* Built-in method references that are verified to be native. */
+var DataView = getNative(root, 'DataView'),
+ Map = getNative(root, 'Map'),
+ Promise = getNative(root, 'Promise'),
+ Set = getNative(root, 'Set'),
+ WeakMap = getNative(root, 'WeakMap'),
+ nativeCreate = getNative(Object, 'create');
+
+/** Used to detect maps, sets, and weakmaps. */
+var dataViewCtorString = toSource(DataView),
+ mapCtorString = toSource(Map),
+ promiseCtorString = toSource(Promise),
+ setCtorString = toSource(Set),
+ weakMapCtorString = toSource(WeakMap);
+
+/** Used to convert symbols to primitives and strings. */
+var symbolProto = Symbol ? Symbol.prototype : undefined,
+ symbolValueOf = symbolProto ? symbolProto.valueOf : undefined,
+ symbolToString = symbolProto ? symbolProto.toString : undefined;
+
+/**
+ * Creates a hash object.
+ *
+ * @private
+ * @constructor
+ * @param {Array} [entries] The key-value pairs to cache.
+ */
+function Hash(entries) {
+ var index = -1,
+ length = entries ? entries.length : 0;
+
+ this.clear();
+ while (++index < length) {
+ var entry = entries[index];
+ this.set(entry[0], entry[1]);
+ }
+}
+
+/**
+ * Removes all key-value entries from the hash.
+ *
+ * @private
+ * @name clear
+ * @memberOf Hash
+ */
+function hashClear() {
+ this.__data__ = nativeCreate ? nativeCreate(null) : {};
+}
+
+/**
+ * Removes `key` and its value from the hash.
+ *
+ * @private
+ * @name delete
+ * @memberOf Hash
+ * @param {Object} hash The hash to modify.
+ * @param {string} key The key of the value to remove.
+ * @returns {boolean} Returns `true` if the entry was removed, else `false`.
+ */
+function hashDelete(key) {
+ return this.has(key) && delete this.__data__[key];
+}
+
+/**
+ * Gets the hash value for `key`.
+ *
+ * @private
+ * @name get
+ * @memberOf Hash
+ * @param {string} key The key of the value to get.
+ * @returns {*} Returns the entry value.
+ */
+function hashGet(key) {
+ var data = this.__data__;
+ if (nativeCreate) {
+ var result = data[key];
+ return result === HASH_UNDEFINED ? undefined : result;
+ }
+ return hasOwnProperty.call(data, key) ? data[key] : undefined;
+}
+
+/**
+ * Checks if a hash value for `key` exists.
+ *
+ * @private
+ * @name has
+ * @memberOf Hash
+ * @param {string} key The key of the entry to check.
+ * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.
+ */
+function hashHas(key) {
+ var data = this.__data__;
+ return nativeCreate ? data[key] !== undefined : hasOwnProperty.call(data, key);
+}
+
+/**
+ * Sets the hash `key` to `value`.
+ *
+ * @private
+ * @name set
+ * @memberOf Hash
+ * @param {string} key The key of the value to set.
+ * @param {*} value The value to set.
+ * @returns {Object} Returns the hash instance.
+ */
+function hashSet(key, value) {
+ var data = this.__data__;
+ data[key] = (nativeCreate && value === undefined) ? HASH_UNDEFINED : value;
+ return this;
+}
+
+// Add methods to `Hash`.
+Hash.prototype.clear = hashClear;
+Hash.prototype['delete'] = hashDelete;
+Hash.prototype.get = hashGet;
+Hash.prototype.has = hashHas;
+Hash.prototype.set = hashSet;
+
+/**
+ * Creates an list cache object.
+ *
+ * @private
+ * @constructor
+ * @param {Array} [entries] The key-value pairs to cache.
+ */
+function ListCache(entries) {
+ var index = -1,
+ length = entries ? entries.length : 0;
+
+ this.clear();
+ while (++index < length) {
+ var entry = entries[index];
+ this.set(entry[0], entry[1]);
+ }
+}
+
+/**
+ * Removes all key-value entries from the list cache.
+ *
+ * @private
+ * @name clear
+ * @memberOf ListCache
+ */
+function listCacheClear() {
+ this.__data__ = [];
+}
+
+/**
+ * Removes `key` and its value from the list cache.
+ *
+ * @private
+ * @name delete
+ * @memberOf ListCache
+ * @param {string} key The key of the value to remove.
+ * @returns {boolean} Returns `true` if the entry was removed, else `false`.
+ */
+function listCacheDelete(key) {
+ var data = this.__data__,
+ index = assocIndexOf(data, key);
+
+ if (index < 0) {
+ return false;
+ }
+ var lastIndex = data.length - 1;
+ if (index == lastIndex) {
+ data.pop();
+ } else {
+ splice.call(data, index, 1);
+ }
+ return true;
+}
+
+/**
+ * Gets the list cache value for `key`.
+ *
+ * @private
+ * @name get
+ * @memberOf ListCache
+ * @param {string} key The key of the value to get.
+ * @returns {*} Returns the entry value.
+ */
+function listCacheGet(key) {
+ var data = this.__data__,
+ index = assocIndexOf(data, key);
+
+ return index < 0 ? undefined : data[index][1];
+}
+
+/**
+ * Checks if a list cache value for `key` exists.
+ *
+ * @private
+ * @name has
+ * @memberOf ListCache
+ * @param {string} key The key of the entry to check.
+ * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.
+ */
+function listCacheHas(key) {
+ return assocIndexOf(this.__data__, key) > -1;
+}
+
+/**
+ * Sets the list cache `key` to `value`.
+ *
+ * @private
+ * @name set
+ * @memberOf ListCache
+ * @param {string} key The key of the value to set.
+ * @param {*} value The value to set.
+ * @returns {Object} Returns the list cache instance.
+ */
+function listCacheSet(key, value) {
+ var data = this.__data__,
+ index = assocIndexOf(data, key);
+
+ if (index < 0) {
+ data.push([key, value]);
+ } else {
+ data[index][1] = value;
+ }
+ return this;
+}
+
+// Add methods to `ListCache`.
+ListCache.prototype.clear = listCacheClear;
+ListCache.prototype['delete'] = listCacheDelete;
+ListCache.prototype.get = listCacheGet;
+ListCache.prototype.has = listCacheHas;
+ListCache.prototype.set = listCacheSet;
+
+/**
+ * Creates a map cache object to store key-value pairs.
+ *
+ * @private
+ * @constructor
+ * @param {Array} [entries] The key-value pairs to cache.
+ */
+function MapCache(entries) {
+ var index = -1,
+ length = entries ? entries.length : 0;
+
+ this.clear();
+ while (++index < length) {
+ var entry = entries[index];
+ this.set(entry[0], entry[1]);
+ }
+}
+
+/**
+ * Removes all key-value entries from the map.
+ *
+ * @private
+ * @name clear
+ * @memberOf MapCache
+ */
+function mapCacheClear() {
+ this.__data__ = {
+ 'hash': new Hash,
+ 'map': new (Map || ListCache),
+ 'string': new Hash
+ };
+}
+
+/**
+ * Removes `key` and its value from the map.
+ *
+ * @private
+ * @name delete
+ * @memberOf MapCache
+ * @param {string} key The key of the value to remove.
+ * @returns {boolean} Returns `true` if the entry was removed, else `false`.
+ */
+function mapCacheDelete(key) {
+ return getMapData(this, key)['delete'](key);
+}
+
+/**
+ * Gets the map value for `key`.
+ *
+ * @private
+ * @name get
+ * @memberOf MapCache
+ * @param {string} key The key of the value to get.
+ * @returns {*} Returns the entry value.
+ */
+function mapCacheGet(key) {
+ return getMapData(this, key).get(key);
+}
+
+/**
+ * Checks if a map value for `key` exists.
+ *
+ * @private
+ * @name has
+ * @memberOf MapCache
+ * @param {string} key The key of the entry to check.
+ * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.
+ */
+function mapCacheHas(key) {
+ return getMapData(this, key).has(key);
+}
+
+/**
+ * Sets the map `key` to `value`.
+ *
+ * @private
+ * @name set
+ * @memberOf MapCache
+ * @param {string} key The key of the value to set.
+ * @param {*} value The value to set.
+ * @returns {Object} Returns the map cache instance.
+ */
+function mapCacheSet(key, value) {
+ getMapData(this, key).set(key, value);
+ return this;
+}
+
+// Add methods to `MapCache`.
+MapCache.prototype.clear = mapCacheClear;
+MapCache.prototype['delete'] = mapCacheDelete;
+MapCache.prototype.get = mapCacheGet;
+MapCache.prototype.has = mapCacheHas;
+MapCache.prototype.set = mapCacheSet;
+
+/**
+ *
+ * Creates an array cache object to store unique values.
+ *
+ * @private
+ * @constructor
+ * @param {Array} [values] The values to cache.
+ */
+function SetCache(values) {
+ var index = -1,
+ length = values ? values.length : 0;
+
+ this.__data__ = new MapCache;
+ while (++index < length) {
+ this.add(values[index]);
+ }
+}
+
+/**
+ * Adds `value` to the array cache.
+ *
+ * @private
+ * @name add
+ * @memberOf SetCache
+ * @alias push
+ * @param {*} value The value to cache.
+ * @returns {Object} Returns the cache instance.
+ */
+function setCacheAdd(value) {
+ this.__data__.set(value, HASH_UNDEFINED);
+ return this;
+}
+
+/**
+ * Checks if `value` is in the array cache.
+ *
+ * @private
+ * @name has
+ * @memberOf SetCache
+ * @param {*} value The value to search for.
+ * @returns {number} Returns `true` if `value` is found, else `false`.
+ */
+function setCacheHas(value) {
+ return this.__data__.has(value);
+}
+
+// Add methods to `SetCache`.
+SetCache.prototype.add = SetCache.prototype.push = setCacheAdd;
+SetCache.prototype.has = setCacheHas;
+
+/**
+ * Creates a stack cache object to store key-value pairs.
+ *
+ * @private
+ * @constructor
+ * @param {Array} [entries] The key-value pairs to cache.
+ */
+function Stack(entries) {
+ this.__data__ = new ListCache(entries);
+}
+
+/**
+ * Removes all key-value entries from the stack.
+ *
+ * @private
+ * @name clear
+ * @memberOf Stack
+ */
+function stackClear() {
+ this.__data__ = new ListCache;
+}
+
+/**
+ * Removes `key` and its value from the stack.
+ *
+ * @private
+ * @name delete
+ * @memberOf Stack
+ * @param {string} key The key of the value to remove.
+ * @returns {boolean} Returns `true` if the entry was removed, else `false`.
+ */
+function stackDelete(key) {
+ return this.__data__['delete'](key);
+}
+
+/**
+ * Gets the stack value for `key`.
+ *
+ * @private
+ * @name get
+ * @memberOf Stack
+ * @param {string} key The key of the value to get.
+ * @returns {*} Returns the entry value.
+ */
+function stackGet(key) {
+ return this.__data__.get(key);
+}
+
+/**
+ * Checks if a stack value for `key` exists.
+ *
+ * @private
+ * @name has
+ * @memberOf Stack
+ * @param {string} key The key of the entry to check.
+ * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.
+ */
+function stackHas(key) {
+ return this.__data__.has(key);
+}
+
+/**
+ * Sets the stack `key` to `value`.
+ *
+ * @private
+ * @name set
+ * @memberOf Stack
+ * @param {string} key The key of the value to set.
+ * @param {*} value The value to set.
+ * @returns {Object} Returns the stack cache instance.
+ */
+function stackSet(key, value) {
+ var cache = this.__data__;
+ if (cache instanceof ListCache) {
+ var pairs = cache.__data__;
+ if (!Map || (pairs.length < LARGE_ARRAY_SIZE - 1)) {
+ pairs.push([key, value]);
+ return this;
+ }
+ cache = this.__data__ = new MapCache(pairs);
+ }
+ cache.set(key, value);
+ return this;
+}
+
+// Add methods to `Stack`.
+Stack.prototype.clear = stackClear;
+Stack.prototype['delete'] = stackDelete;
+Stack.prototype.get = stackGet;
+Stack.prototype.has = stackHas;
+Stack.prototype.set = stackSet;
+
+/**
+ * Creates an array of the enumerable property names of the array-like `value`.
+ *
+ * @private
+ * @param {*} value The value to query.
+ * @param {boolean} inherited Specify returning inherited property names.
+ * @returns {Array} Returns the array of property names.
+ */
+function arrayLikeKeys(value, inherited) {
+ // Safari 8.1 makes `arguments.callee` enumerable in strict mode.
+ // Safari 9 makes `arguments.length` enumerable in strict mode.
+ var result = (isArray(value) || isArguments(value))
+ ? baseTimes(value.length, String)
+ : [];
+
+ var length = result.length,
+ skipIndexes = !!length;
+
+ for (var key in value) {
+ if ((inherited || hasOwnProperty.call(value, key)) &&
+ !(skipIndexes && (key == 'length' || isIndex(key, length)))) {
+ result.push(key);
+ }
+ }
+ return result;
+}
+
+/**
+ * Gets the index at which the `key` is found in `array` of key-value pairs.
+ *
+ * @private
+ * @param {Array} array The array to inspect.
+ * @param {*} key The key to search for.
+ * @returns {number} Returns the index of the matched value, else `-1`.
+ */
+function assocIndexOf(array, key) {
+ var length = array.length;
+ while (length--) {
+ if (eq(array[length][0], key)) {
+ return length;
+ }
+ }
+ return -1;
+}
+
+/**
+ * The base implementation of `_.forEach` without support for iteratee shorthands.
+ *
+ * @private
+ * @param {Array|Object} collection The collection to iterate over.
+ * @param {Function} iteratee The function invoked per iteration.
+ * @returns {Array|Object} Returns `collection`.
+ */
+var baseEach = createBaseEach(baseForOwn);
+
+/**
+ * The base implementation of `_.flatten` with support for restricting flattening.
+ *
+ * @private
+ * @param {Array} array The array to flatten.
+ * @param {number} depth The maximum recursion depth.
+ * @param {boolean} [predicate=isFlattenable] The function invoked per iteration.
+ * @param {boolean} [isStrict] Restrict to values that pass `predicate` checks.
+ * @param {Array} [result=[]] The initial result value.
+ * @returns {Array} Returns the new flattened array.
+ */
+function baseFlatten(array, depth, predicate, isStrict, result) {
+ var index = -1,
+ length = array.length;
+
+ predicate || (predicate = isFlattenable);
+ result || (result = []);
+
+ while (++index < length) {
+ var value = array[index];
+ if (depth > 0 && predicate(value)) {
+ if (depth > 1) {
+ // Recursively flatten arrays (susceptible to call stack limits).
+ baseFlatten(value, depth - 1, predicate, isStrict, result);
+ } else {
+ arrayPush(result, value);
+ }
+ } else if (!isStrict) {
+ result[result.length] = value;
+ }
+ }
+ return result;
+}
+
+/**
+ * The base implementation of `baseForOwn` which iterates over `object`
+ * properties returned by `keysFunc` and invokes `iteratee` for each property.
+ * Iteratee functions may exit iteration early by explicitly returning `false`.
+ *
+ * @private
+ * @param {Object} object The object to iterate over.
+ * @param {Function} iteratee The function invoked per iteration.
+ * @param {Function} keysFunc The function to get the keys of `object`.
+ * @returns {Object} Returns `object`.
+ */
+var baseFor = createBaseFor();
+
+/**
+ * The base implementation of `_.forOwn` without support for iteratee shorthands.
+ *
+ * @private
+ * @param {Object} object The object to iterate over.
+ * @param {Function} iteratee The function invoked per iteration.
+ * @returns {Object} Returns `object`.
+ */
+function baseForOwn(object, iteratee) {
+ return object && baseFor(object, iteratee, keys);
+}
+
+/**
+ * The base implementation of `_.get` without support for default values.
+ *
+ * @private
+ * @param {Object} object The object to query.
+ * @param {Array|string} path The path of the property to get.
+ * @returns {*} Returns the resolved value.
+ */
+function baseGet(object, path) {
+ path = isKey(path, object) ? [path] : castPath(path);
+
+ var index = 0,
+ length = path.length;
+
+ while (object != null && index < length) {
+ object = object[toKey(path[index++])];
+ }
+ return (index && index == length) ? object : undefined;
+}
+
+/**
+ * The base implementation of `getTag`.
+ *
+ * @private
+ * @param {*} value The value to query.
+ * @returns {string} Returns the `toStringTag`.
+ */
+function baseGetTag(value) {
+ return objectToString.call(value);
+}
+
+/**
+ * The base implementation of `_.hasIn` without support for deep paths.
+ *
+ * @private
+ * @param {Object} [object] The object to query.
+ * @param {Array|string} key The key to check.
+ * @returns {boolean} Returns `true` if `key` exists, else `false`.
+ */
+function baseHasIn(object, key) {
+ return object != null && key in Object(object);
+}
+
+/**
+ * The base implementation of `_.isEqual` which supports partial comparisons
+ * and tracks traversed objects.
+ *
+ * @private
+ * @param {*} value The value to compare.
+ * @param {*} other The other value to compare.
+ * @param {Function} [customizer] The function to customize comparisons.
+ * @param {boolean} [bitmask] The bitmask of comparison flags.
+ * The bitmask may be composed of the following flags:
+ * 1 - Unordered comparison
+ * 2 - Partial comparison
+ * @param {Object} [stack] Tracks traversed `value` and `other` objects.
+ * @returns {boolean} Returns `true` if the values are equivalent, else `false`.
+ */
+function baseIsEqual(value, other, customizer, bitmask, stack) {
+ if (value === other) {
+ return true;
+ }
+ if (value == null || other == null || (!isObject(value) && !isObjectLike(other))) {
+ return value !== value && other !== other;
+ }
+ return baseIsEqualDeep(value, other, baseIsEqual, customizer, bitmask, stack);
+}
+
+/**
+ * A specialized version of `baseIsEqual` for arrays and objects which performs
+ * deep comparisons and tracks traversed objects enabling objects with circular
+ * references to be compared.
+ *
+ * @private
+ * @param {Object} object The object to compare.
+ * @param {Object} other The other object to compare.
+ * @param {Function} equalFunc The function to determine equivalents of values.
+ * @param {Function} [customizer] The function to customize comparisons.
+ * @param {number} [bitmask] The bitmask of comparison flags. See `baseIsEqual`
+ * for more details.
+ * @param {Object} [stack] Tracks traversed `object` and `other` objects.
+ * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.
+ */
+function baseIsEqualDeep(object, other, equalFunc, customizer, bitmask, stack) {
+ var objIsArr = isArray(object),
+ othIsArr = isArray(other),
+ objTag = arrayTag,
+ othTag = arrayTag;
+
+ if (!objIsArr) {
+ objTag = getTag(object);
+ objTag = objTag == argsTag ? objectTag : objTag;
+ }
+ if (!othIsArr) {
+ othTag = getTag(other);
+ othTag = othTag == argsTag ? objectTag : othTag;
+ }
+ var objIsObj = objTag == objectTag && !isHostObject(object),
+ othIsObj = othTag == objectTag && !isHostObject(other),
+ isSameTag = objTag == othTag;
+
+ if (isSameTag && !objIsObj) {
+ stack || (stack = new Stack);
+ return (objIsArr || isTypedArray(object))
+ ? equalArrays(object, other, equalFunc, customizer, bitmask, stack)
+ : equalByTag(object, other, objTag, equalFunc, customizer, bitmask, stack);
+ }
+ if (!(bitmask & PARTIAL_COMPARE_FLAG)) {
+ var objIsWrapped = objIsObj && hasOwnProperty.call(object, '__wrapped__'),
+ othIsWrapped = othIsObj && hasOwnProperty.call(other, '__wrapped__');
+
+ if (objIsWrapped || othIsWrapped) {
+ var objUnwrapped = objIsWrapped ? object.value() : object,
+ othUnwrapped = othIsWrapped ? other.value() : other;
+
+ stack || (stack = new Stack);
+ return equalFunc(objUnwrapped, othUnwrapped, customizer, bitmask, stack);
+ }
+ }
+ if (!isSameTag) {
+ return false;
+ }
+ stack || (stack = new Stack);
+ return equalObjects(object, other, equalFunc, customizer, bitmask, stack);
+}
+
+/**
+ * The base implementation of `_.isMatch` without support for iteratee shorthands.
+ *
+ * @private
+ * @param {Object} object The object to inspect.
+ * @param {Object} source The object of property values to match.
+ * @param {Array} matchData The property names, values, and compare flags to match.
+ * @param {Function} [customizer] The function to customize comparisons.
+ * @returns {boolean} Returns `true` if `object` is a match, else `false`.
+ */
+function baseIsMatch(object, source, matchData, customizer) {
+ var index = matchData.length,
+ length = index,
+ noCustomizer = !customizer;
+
+ if (object == null) {
+ return !length;
+ }
+ object = Object(object);
+ while (index--) {
+ var data = matchData[index];
+ if ((noCustomizer && data[2])
+ ? data[1] !== object[data[0]]
+ : !(data[0] in object)
+ ) {
+ return false;
+ }
+ }
+ while (++index < length) {
+ data = matchData[index];
+ var key = data[0],
+ objValue = object[key],
+ srcValue = data[1];
+
+ if (noCustomizer && data[2]) {
+ if (objValue === undefined && !(key in object)) {
+ return false;
+ }
+ } else {
+ var stack = new Stack;
+ if (customizer) {
+ var result = customizer(objValue, srcValue, key, object, source, stack);
+ }
+ if (!(result === undefined
+ ? baseIsEqual(srcValue, objValue, customizer, UNORDERED_COMPARE_FLAG | PARTIAL_COMPARE_FLAG, stack)
+ : result
+ )) {
+ return false;
+ }
+ }
+ }
+ return true;
+}
+
+/**
+ * The base implementation of `_.isNative` without bad shim checks.
+ *
+ * @private
+ * @param {*} value The value to check.
+ * @returns {boolean} Returns `true` if `value` is a native function,
+ * else `false`.
+ */
+function baseIsNative(value) {
+ if (!isObject(value) || isMasked(value)) {
+ return false;
+ }
+ var pattern = (isFunction(value) || isHostObject(value)) ? reIsNative : reIsHostCtor;
+ return pattern.test(toSource(value));
+}
+
+/**
+ * The base implementation of `_.isTypedArray` without Node.js optimizations.
+ *
+ * @private
+ * @param {*} value The value to check.
+ * @returns {boolean} Returns `true` if `value` is a typed array, else `false`.
+ */
+function baseIsTypedArray(value) {
+ return isObjectLike(value) &&
+ isLength(value.length) && !!typedArrayTags[objectToString.call(value)];
+}
+
+/**
+ * The base implementation of `_.iteratee`.
+ *
+ * @private
+ * @param {*} [value=_.identity] The value to convert to an iteratee.
+ * @returns {Function} Returns the iteratee.
+ */
+function baseIteratee(value) {
+ // Don't store the `typeof` result in a variable to avoid a JIT bug in Safari 9.
+ // See https://bugs.webkit.org/show_bug.cgi?id=156034 for more details.
+ if (typeof value == 'function') {
+ return value;
+ }
+ if (value == null) {
+ return identity;
+ }
+ if (typeof value == 'object') {
+ return isArray(value)
+ ? baseMatchesProperty(value[0], value[1])
+ : baseMatches(value);
+ }
+ return property(value);
+}
+
+/**
+ * The base implementation of `_.keys` which doesn't treat sparse arrays as dense.
+ *
+ * @private
+ * @param {Object} object The object to query.
+ * @returns {Array} Returns the array of property names.
+ */
+function baseKeys(object) {
+ if (!isPrototype(object)) {
+ return nativeKeys(object);
+ }
+ var result = [];
+ for (var key in Object(object)) {
+ if (hasOwnProperty.call(object, key) && key != 'constructor') {
+ result.push(key);
+ }
+ }
+ return result;
+}
+
+/**
+ * The base implementation of `_.map` without support for iteratee shorthands.
+ *
+ * @private
+ * @param {Array|Object} collection The collection to iterate over.
+ * @param {Function} iteratee The function invoked per iteration.
+ * @returns {Array} Returns the new mapped array.
+ */
+function baseMap(collection, iteratee) {
+ var index = -1,
+ result = isArrayLike(collection) ? Array(collection.length) : [];
+
+ baseEach(collection, function(value, key, collection) {
+ result[++index] = iteratee(value, key, collection);
+ });
+ return result;
+}
+
+/**
+ * The base implementation of `_.matches` which doesn't clone `source`.
+ *
+ * @private
+ * @param {Object} source The object of property values to match.
+ * @returns {Function} Returns the new spec function.
+ */
+function baseMatches(source) {
+ var matchData = getMatchData(source);
+ if (matchData.length == 1 && matchData[0][2]) {
+ return matchesStrictComparable(matchData[0][0], matchData[0][1]);
+ }
+ return function(object) {
+ return object === source || baseIsMatch(object, source, matchData);
+ };
+}
+
+/**
+ * The base implementation of `_.matchesProperty` which doesn't clone `srcValue`.
+ *
+ * @private
+ * @param {string} path The path of the property to get.
+ * @param {*} srcValue The value to match.
+ * @returns {Function} Returns the new spec function.
+ */
+function baseMatchesProperty(path, srcValue) {
+ if (isKey(path) && isStrictComparable(srcValue)) {
+ return matchesStrictComparable(toKey(path), srcValue);
+ }
+ return function(object) {
+ var objValue = get(object, path);
+ return (objValue === undefined && objValue === srcValue)
+ ? hasIn(object, path)
+ : baseIsEqual(srcValue, objValue, undefined, UNORDERED_COMPARE_FLAG | PARTIAL_COMPARE_FLAG);
+ };
+}
+
+/**
+ * The base implementation of `_.orderBy` without param guards.
+ *
+ * @private
+ * @param {Array|Object} collection The collection to iterate over.
+ * @param {Function[]|Object[]|string[]} iteratees The iteratees to sort by.
+ * @param {string[]} orders The sort orders of `iteratees`.
+ * @returns {Array} Returns the new sorted array.
+ */
+function baseOrderBy(collection, iteratees, orders) {
+ var index = -1;
+ iteratees = arrayMap(iteratees.length ? iteratees : [identity], baseUnary(baseIteratee));
+
+ var result = baseMap(collection, function(value, key, collection) {
+ var criteria = arrayMap(iteratees, function(iteratee) {
+ return iteratee(value);
+ });
+ return { 'criteria': criteria, 'index': ++index, 'value': value };
+ });
+
+ return baseSortBy(result, function(object, other) {
+ return compareMultiple(object, other, orders);
+ });
+}
+
+/**
+ * A specialized version of `baseProperty` which supports deep paths.
+ *
+ * @private
+ * @param {Array|string} path The path of the property to get.
+ * @returns {Function} Returns the new accessor function.
+ */
+function basePropertyDeep(path) {
+ return function(object) {
+ return baseGet(object, path);
+ };
+}
+
+/**
+ * The base implementation of `_.rest` which doesn't validate or coerce arguments.
+ *
+ * @private
+ * @param {Function} func The function to apply a rest parameter to.
+ * @param {number} [start=func.length-1] The start position of the rest parameter.
+ * @returns {Function} Returns the new function.
+ */
+function baseRest(func, start) {
+ start = nativeMax(start === undefined ? (func.length - 1) : start, 0);
+ return function() {
+ var args = arguments,
+ index = -1,
+ length = nativeMax(args.length - start, 0),
+ array = Array(length);
+
+ while (++index < length) {
+ array[index] = args[start + index];
+ }
+ index = -1;
+ var otherArgs = Array(start + 1);
+ while (++index < start) {
+ otherArgs[index] = args[index];
+ }
+ otherArgs[start] = array;
+ return apply(func, this, otherArgs);
+ };
+}
+
+/**
+ * The base implementation of `_.toString` which doesn't convert nullish
+ * values to empty strings.
+ *
+ * @private
+ * @param {*} value The value to process.
+ * @returns {string} Returns the string.
+ */
+function baseToString(value) {
+ // Exit early for strings to avoid a performance hit in some environments.
+ if (typeof value == 'string') {
+ return value;
+ }
+ if (isSymbol(value)) {
+ return symbolToString ? symbolToString.call(value) : '';
+ }
+ var result = (value + '');
+ return (result == '0' && (1 / value) == -INFINITY) ? '-0' : result;
+}
+
+/**
+ * Casts `value` to a path array if it's not one.
+ *
+ * @private
+ * @param {*} value The value to inspect.
+ * @returns {Array} Returns the cast property path array.
+ */
+function castPath(value) {
+ return isArray(value) ? value : stringToPath(value);
+}
+
+/**
+ * Compares values to sort them in ascending order.
+ *
+ * @private
+ * @param {*} value The value to compare.
+ * @param {*} other The other value to compare.
+ * @returns {number} Returns the sort order indicator for `value`.
+ */
+function compareAscending(value, other) {
+ if (value !== other) {
+ var valIsDefined = value !== undefined,
+ valIsNull = value === null,
+ valIsReflexive = value === value,
+ valIsSymbol = isSymbol(value);
+
+ var othIsDefined = other !== undefined,
+ othIsNull = other === null,
+ othIsReflexive = other === other,
+ othIsSymbol = isSymbol(other);
+
+ if ((!othIsNull && !othIsSymbol && !valIsSymbol && value > other) ||
+ (valIsSymbol && othIsDefined && othIsReflexive && !othIsNull && !othIsSymbol) ||
+ (valIsNull && othIsDefined && othIsReflexive) ||
+ (!valIsDefined && othIsReflexive) ||
+ !valIsReflexive) {
+ return 1;
+ }
+ if ((!valIsNull && !valIsSymbol && !othIsSymbol && value < other) ||
+ (othIsSymbol && valIsDefined && valIsReflexive && !valIsNull && !valIsSymbol) ||
+ (othIsNull && valIsDefined && valIsReflexive) ||
+ (!othIsDefined && valIsReflexive) ||
+ !othIsReflexive) {
+ return -1;
+ }
+ }
+ return 0;
+}
+
+/**
+ * Used by `_.orderBy` to compare multiple properties of a value to another
+ * and stable sort them.
+ *
+ * If `orders` is unspecified, all values are sorted in ascending order. Otherwise,
+ * specify an order of "desc" for descending or "asc" for ascending sort order
+ * of corresponding values.
+ *
+ * @private
+ * @param {Object} object The object to compare.
+ * @param {Object} other The other object to compare.
+ * @param {boolean[]|string[]} orders The order to sort by for each property.
+ * @returns {number} Returns the sort order indicator for `object`.
+ */
+function compareMultiple(object, other, orders) {
+ var index = -1,
+ objCriteria = object.criteria,
+ othCriteria = other.criteria,
+ length = objCriteria.length,
+ ordersLength = orders.length;
+
+ while (++index < length) {
+ var result = compareAscending(objCriteria[index], othCriteria[index]);
+ if (result) {
+ if (index >= ordersLength) {
+ return result;
+ }
+ var order = orders[index];
+ return result * (order == 'desc' ? -1 : 1);
+ }
+ }
+ // Fixes an `Array#sort` bug in the JS engine embedded in Adobe applications
+ // that causes it, under certain circumstances, to provide the same value for
+ // `object` and `other`. See https://github.com/jashkenas/underscore/pull/1247
+ // for more details.
+ //
+ // This also ensures a stable sort in V8 and other engines.
+ // See https://bugs.chromium.org/p/v8/issues/detail?id=90 for more details.
+ return object.index - other.index;
+}
+
+/**
+ * Creates a `baseEach` or `baseEachRight` function.
+ *
+ * @private
+ * @param {Function} eachFunc The function to iterate over a collection.
+ * @param {boolean} [fromRight] Specify iterating from right to left.
+ * @returns {Function} Returns the new base function.
+ */
+function createBaseEach(eachFunc, fromRight) {
+ return function(collection, iteratee) {
+ if (collection == null) {
+ return collection;
+ }
+ if (!isArrayLike(collection)) {
+ return eachFunc(collection, iteratee);
+ }
+ var length = collection.length,
+ index = fromRight ? length : -1,
+ iterable = Object(collection);
+
+ while ((fromRight ? index-- : ++index < length)) {
+ if (iteratee(iterable[index], index, iterable) === false) {
+ break;
+ }
+ }
+ return collection;
+ };
+}
+
+/**
+ * Creates a base function for methods like `_.forIn` and `_.forOwn`.
+ *
+ * @private
+ * @param {boolean} [fromRight] Specify iterating from right to left.
+ * @returns {Function} Returns the new base function.
+ */
+function createBaseFor(fromRight) {
+ return function(object, iteratee, keysFunc) {
+ var index = -1,
+ iterable = Object(object),
+ props = keysFunc(object),
+ length = props.length;
+
+ while (length--) {
+ var key = props[fromRight ? length : ++index];
+ if (iteratee(iterable[key], key, iterable) === false) {
+ break;
+ }
+ }
+ return object;
+ };
+}
+
+/**
+ * A specialized version of `baseIsEqualDeep` for arrays with support for
+ * partial deep comparisons.
+ *
+ * @private
+ * @param {Array} array The array to compare.
+ * @param {Array} other The other array to compare.
+ * @param {Function} equalFunc The function to determine equivalents of values.
+ * @param {Function} customizer The function to customize comparisons.
+ * @param {number} bitmask The bitmask of comparison flags. See `baseIsEqual`
+ * for more details.
+ * @param {Object} stack Tracks traversed `array` and `other` objects.
+ * @returns {boolean} Returns `true` if the arrays are equivalent, else `false`.
+ */
+function equalArrays(array, other, equalFunc, customizer, bitmask, stack) {
+ var isPartial = bitmask & PARTIAL_COMPARE_FLAG,
+ arrLength = array.length,
+ othLength = other.length;
+
+ if (arrLength != othLength && !(isPartial && othLength > arrLength)) {
+ return false;
+ }
+ // Assume cyclic values are equal.
+ var stacked = stack.get(array);
+ if (stacked && stack.get(other)) {
+ return stacked == other;
+ }
+ var index = -1,
+ result = true,
+ seen = (bitmask & UNORDERED_COMPARE_FLAG) ? new SetCache : undefined;
+
+ stack.set(array, other);
+ stack.set(other, array);
+
+ // Ignore non-index properties.
+ while (++index < arrLength) {
+ var arrValue = array[index],
+ othValue = other[index];
+
+ if (customizer) {
+ var compared = isPartial
+ ? customizer(othValue, arrValue, index, other, array, stack)
+ : customizer(arrValue, othValue, index, array, other, stack);
+ }
+ if (compared !== undefined) {
+ if (compared) {
+ continue;
+ }
+ result = false;
+ break;
+ }
+ // Recursively compare arrays (susceptible to call stack limits).
+ if (seen) {
+ if (!arraySome(other, function(othValue, othIndex) {
+ if (!seen.has(othIndex) &&
+ (arrValue === othValue || equalFunc(arrValue, othValue, customizer, bitmask, stack))) {
+ return seen.add(othIndex);
+ }
+ })) {
+ result = false;
+ break;
+ }
+ } else if (!(
+ arrValue === othValue ||
+ equalFunc(arrValue, othValue, customizer, bitmask, stack)
+ )) {
+ result = false;
+ break;
+ }
+ }
+ stack['delete'](array);
+ stack['delete'](other);
+ return result;
+}
+
+/**
+ * A specialized version of `baseIsEqualDeep` for comparing objects of
+ * the same `toStringTag`.
+ *
+ * **Note:** This function only supports comparing values with tags of
+ * `Boolean`, `Date`, `Error`, `Number`, `RegExp`, or `String`.
+ *
+ * @private
+ * @param {Object} object The object to compare.
+ * @param {Object} other The other object to compare.
+ * @param {string} tag The `toStringTag` of the objects to compare.
+ * @param {Function} equalFunc The function to determine equivalents of values.
+ * @param {Function} customizer The function to customize comparisons.
+ * @param {number} bitmask The bitmask of comparison flags. See `baseIsEqual`
+ * for more details.
+ * @param {Object} stack Tracks traversed `object` and `other` objects.
+ * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.
+ */
+function equalByTag(object, other, tag, equalFunc, customizer, bitmask, stack) {
+ switch (tag) {
+ case dataViewTag:
+ if ((object.byteLength != other.byteLength) ||
+ (object.byteOffset != other.byteOffset)) {
+ return false;
+ }
+ object = object.buffer;
+ other = other.buffer;
+
+ case arrayBufferTag:
+ if ((object.byteLength != other.byteLength) ||
+ !equalFunc(new Uint8Array(object), new Uint8Array(other))) {
+ return false;
+ }
+ return true;
+
+ case boolTag:
+ case dateTag:
+ case numberTag:
+ // Coerce booleans to `1` or `0` and dates to milliseconds.
+ // Invalid dates are coerced to `NaN`.
+ return eq(+object, +other);
+
+ case errorTag:
+ return object.name == other.name && object.message == other.message;
+
+ case regexpTag:
+ case stringTag:
+ // Coerce regexes to strings and treat strings, primitives and objects,
+ // as equal. See http://www.ecma-international.org/ecma-262/7.0/#sec-regexp.prototype.tostring
+ // for more details.
+ return object == (other + '');
+
+ case mapTag:
+ var convert = mapToArray;
+
+ case setTag:
+ var isPartial = bitmask & PARTIAL_COMPARE_FLAG;
+ convert || (convert = setToArray);
+
+ if (object.size != other.size && !isPartial) {
+ return false;
+ }
+ // Assume cyclic values are equal.
+ var stacked = stack.get(object);
+ if (stacked) {
+ return stacked == other;
+ }
+ bitmask |= UNORDERED_COMPARE_FLAG;
+
+ // Recursively compare objects (susceptible to call stack limits).
+ stack.set(object, other);
+ var result = equalArrays(convert(object), convert(other), equalFunc, customizer, bitmask, stack);
+ stack['delete'](object);
+ return result;
+
+ case symbolTag:
+ if (symbolValueOf) {
+ return symbolValueOf.call(object) == symbolValueOf.call(other);
+ }
+ }
+ return false;
+}
+
+/**
+ * A specialized version of `baseIsEqualDeep` for objects with support for
+ * partial deep comparisons.
+ *
+ * @private
+ * @param {Object} object The object to compare.
+ * @param {Object} other The other object to compare.
+ * @param {Function} equalFunc The function to determine equivalents of values.
+ * @param {Function} customizer The function to customize comparisons.
+ * @param {number} bitmask The bitmask of comparison flags. See `baseIsEqual`
+ * for more details.
+ * @param {Object} stack Tracks traversed `object` and `other` objects.
+ * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.
+ */
+function equalObjects(object, other, equalFunc, customizer, bitmask, stack) {
+ var isPartial = bitmask & PARTIAL_COMPARE_FLAG,
+ objProps = keys(object),
+ objLength = objProps.length,
+ othProps = keys(other),
+ othLength = othProps.length;
+
+ if (objLength != othLength && !isPartial) {
+ return false;
+ }
+ var index = objLength;
+ while (index--) {
+ var key = objProps[index];
+ if (!(isPartial ? key in other : hasOwnProperty.call(other, key))) {
+ return false;
+ }
+ }
+ // Assume cyclic values are equal.
+ var stacked = stack.get(object);
+ if (stacked && stack.get(other)) {
+ return stacked == other;
+ }
+ var result = true;
+ stack.set(object, other);
+ stack.set(other, object);
+
+ var skipCtor = isPartial;
+ while (++index < objLength) {
+ key = objProps[index];
+ var objValue = object[key],
+ othValue = other[key];
+
+ if (customizer) {
+ var compared = isPartial
+ ? customizer(othValue, objValue, key, other, object, stack)
+ : customizer(objValue, othValue, key, object, other, stack);
+ }
+ // Recursively compare objects (susceptible to call stack limits).
+ if (!(compared === undefined
+ ? (objValue === othValue || equalFunc(objValue, othValue, customizer, bitmask, stack))
+ : compared
+ )) {
+ result = false;
+ break;
+ }
+ skipCtor || (skipCtor = key == 'constructor');
+ }
+ if (result && !skipCtor) {
+ var objCtor = object.constructor,
+ othCtor = other.constructor;
+
+ // Non `Object` object instances with different constructors are not equal.
+ if (objCtor != othCtor &&
+ ('constructor' in object && 'constructor' in other) &&
+ !(typeof objCtor == 'function' && objCtor instanceof objCtor &&
+ typeof othCtor == 'function' && othCtor instanceof othCtor)) {
+ result = false;
+ }
+ }
+ stack['delete'](object);
+ stack['delete'](other);
+ return result;
+}
+
+/**
+ * Gets the data for `map`.
+ *
+ * @private
+ * @param {Object} map The map to query.
+ * @param {string} key The reference key.
+ * @returns {*} Returns the map data.
+ */
+function getMapData(map, key) {
+ var data = map.__data__;
+ return isKeyable(key)
+ ? data[typeof key == 'string' ? 'string' : 'hash']
+ : data.map;
+}
+
+/**
+ * Gets the property names, values, and compare flags of `object`.
+ *
+ * @private
+ * @param {Object} object The object to query.
+ * @returns {Array} Returns the match data of `object`.
+ */
+function getMatchData(object) {
+ var result = keys(object),
+ length = result.length;
+
+ while (length--) {
+ var key = result[length],
+ value = object[key];
+
+ result[length] = [key, value, isStrictComparable(value)];
+ }
+ return result;
+}
+
+/**
+ * Gets the native function at `key` of `object`.
+ *
+ * @private
+ * @param {Object} object The object to query.
+ * @param {string} key The key of the method to get.
+ * @returns {*} Returns the function if it's native, else `undefined`.
+ */
+function getNative(object, key) {
+ var value = getValue(object, key);
+ return baseIsNative(value) ? value : undefined;
+}
+
+/**
+ * Gets the `toStringTag` of `value`.
+ *
+ * @private
+ * @param {*} value The value to query.
+ * @returns {string} Returns the `toStringTag`.
+ */
+var getTag = baseGetTag;
+
+// Fallback for data views, maps, sets, and weak maps in IE 11,
+// for data views in Edge < 14, and promises in Node.js.
+if ((DataView && getTag(new DataView(new ArrayBuffer(1))) != dataViewTag) ||
+ (Map && getTag(new Map) != mapTag) ||
+ (Promise && getTag(Promise.resolve()) != promiseTag) ||
+ (Set && getTag(new Set) != setTag) ||
+ (WeakMap && getTag(new WeakMap) != weakMapTag)) {
+ getTag = function(value) {
+ var result = objectToString.call(value),
+ Ctor = result == objectTag ? value.constructor : undefined,
+ ctorString = Ctor ? toSource(Ctor) : undefined;
+
+ if (ctorString) {
+ switch (ctorString) {
+ case dataViewCtorString: return dataViewTag;
+ case mapCtorString: return mapTag;
+ case promiseCtorString: return promiseTag;
+ case setCtorString: return setTag;
+ case weakMapCtorString: return weakMapTag;
+ }
+ }
+ return result;
+ };
+}
+
+/**
+ * Checks if `path` exists on `object`.
+ *
+ * @private
+ * @param {Object} object The object to query.
+ * @param {Array|string} path The path to check.
+ * @param {Function} hasFunc The function to check properties.
+ * @returns {boolean} Returns `true` if `path` exists, else `false`.
+ */
+function hasPath(object, path, hasFunc) {
+ path = isKey(path, object) ? [path] : castPath(path);
+
+ var result,
+ index = -1,
+ length = path.length;
+
+ while (++index < length) {
+ var key = toKey(path[index]);
+ if (!(result = object != null && hasFunc(object, key))) {
+ break;
+ }
+ object = object[key];
+ }
+ if (result) {
+ return result;
+ }
+ var length = object ? object.length : 0;
+ return !!length && isLength(length) && isIndex(key, length) &&
+ (isArray(object) || isArguments(object));
+}
+
+/**
+ * Checks if `value` is a flattenable `arguments` object or array.
+ *
+ * @private
+ * @param {*} value The value to check.
+ * @returns {boolean} Returns `true` if `value` is flattenable, else `false`.
+ */
+function isFlattenable(value) {
+ return isArray(value) || isArguments(value) ||
+ !!(spreadableSymbol && value && value[spreadableSymbol]);
+}
+
+/**
+ * Checks if `value` is a valid array-like index.
+ *
+ * @private
+ * @param {*} value The value to check.
+ * @param {number} [length=MAX_SAFE_INTEGER] The upper bounds of a valid index.
+ * @returns {boolean} Returns `true` if `value` is a valid index, else `false`.
+ */
+function isIndex(value, length) {
+ length = length == null ? MAX_SAFE_INTEGER : length;
+ return !!length &&
+ (typeof value == 'number' || reIsUint.test(value)) &&
+ (value > -1 && value % 1 == 0 && value < length);
+}
+
+/**
+ * Checks if the given arguments are from an iteratee call.
+ *
+ * @private
+ * @param {*} value The potential iteratee value argument.
+ * @param {*} index The potential iteratee index or key argument.
+ * @param {*} object The potential iteratee object argument.
+ * @returns {boolean} Returns `true` if the arguments are from an iteratee call,
+ * else `false`.
+ */
+function isIterateeCall(value, index, object) {
+ if (!isObject(object)) {
+ return false;
+ }
+ var type = typeof index;
+ if (type == 'number'
+ ? (isArrayLike(object) && isIndex(index, object.length))
+ : (type == 'string' && index in object)
+ ) {
+ return eq(object[index], value);
+ }
+ return false;
+}
+
+/**
+ * Checks if `value` is a property name and not a property path.
+ *
+ * @private
+ * @param {*} value The value to check.
+ * @param {Object} [object] The object to query keys on.
+ * @returns {boolean} Returns `true` if `value` is a property name, else `false`.
+ */
+function isKey(value, object) {
+ if (isArray(value)) {
+ return false;
+ }
+ var type = typeof value;
+ if (type == 'number' || type == 'symbol' || type == 'boolean' ||
+ value == null || isSymbol(value)) {
+ return true;
+ }
+ return reIsPlainProp.test(value) || !reIsDeepProp.test(value) ||
+ (object != null && value in Object(object));
+}
+
+/**
+ * Checks if `value` is suitable for use as unique object key.
+ *
+ * @private
+ * @param {*} value The value to check.
+ * @returns {boolean} Returns `true` if `value` is suitable, else `false`.
+ */
+function isKeyable(value) {
+ var type = typeof value;
+ return (type == 'string' || type == 'number' || type == 'symbol' || type == 'boolean')
+ ? (value !== '__proto__')
+ : (value === null);
+}
+
+/**
+ * Checks if `func` has its source masked.
+ *
+ * @private
+ * @param {Function} func The function to check.
+ * @returns {boolean} Returns `true` if `func` is masked, else `false`.
+ */
+function isMasked(func) {
+ return !!maskSrcKey && (maskSrcKey in func);
+}
+
+/**
+ * Checks if `value` is likely a prototype object.
+ *
+ * @private
+ * @param {*} value The value to check.
+ * @returns {boolean} Returns `true` if `value` is a prototype, else `false`.
+ */
+function isPrototype(value) {
+ var Ctor = value && value.constructor,
+ proto = (typeof Ctor == 'function' && Ctor.prototype) || objectProto;
+
+ return value === proto;
+}
+
+/**
+ * Checks if `value` is suitable for strict equality comparisons, i.e. `===`.
+ *
+ * @private
+ * @param {*} value The value to check.
+ * @returns {boolean} Returns `true` if `value` if suitable for strict
+ * equality comparisons, else `false`.
+ */
+function isStrictComparable(value) {
+ return value === value && !isObject(value);
+}
+
+/**
+ * A specialized version of `matchesProperty` for source values suitable
+ * for strict equality comparisons, i.e. `===`.
+ *
+ * @private
+ * @param {string} key The key of the property to get.
+ * @param {*} srcValue The value to match.
+ * @returns {Function} Returns the new spec function.
+ */
+function matchesStrictComparable(key, srcValue) {
+ return function(object) {
+ if (object == null) {
+ return false;
+ }
+ return object[key] === srcValue &&
+ (srcValue !== undefined || (key in Object(object)));
+ };
+}
+
+/**
+ * Converts `string` to a property path array.
+ *
+ * @private
+ * @param {string} string The string to convert.
+ * @returns {Array} Returns the property path array.
+ */
+var stringToPath = memoize(function(string) {
+ string = toString(string);
+
+ var result = [];
+ if (reLeadingDot.test(string)) {
+ result.push('');
+ }
+ string.replace(rePropName, function(match, number, quote, string) {
+ result.push(quote ? string.replace(reEscapeChar, '$1') : (number || match));
+ });
+ return result;
+});
+
+/**
+ * Converts `value` to a string key if it's not a string or symbol.
+ *
+ * @private
+ * @param {*} value The value to inspect.
+ * @returns {string|symbol} Returns the key.
+ */
+function toKey(value) {
+ if (typeof value == 'string' || isSymbol(value)) {
+ return value;
+ }
+ var result = (value + '');
+ return (result == '0' && (1 / value) == -INFINITY) ? '-0' : result;
+}
+
+/**
+ * Converts `func` to its source code.
+ *
+ * @private
+ * @param {Function} func The function to process.
+ * @returns {string} Returns the source code.
+ */
+function toSource(func) {
+ if (func != null) {
+ try {
+ return funcToString.call(func);
+ } catch (e) {}
+ try {
+ return (func + '');
+ } catch (e) {}
+ }
+ return '';
+}
+
+/**
+ * Creates an array of elements, sorted in ascending order by the results of
+ * running each element in a collection thru each iteratee. This method
+ * performs a stable sort, that is, it preserves the original sort order of
+ * equal elements. The iteratees are invoked with one argument: (value).
+ *
+ * @static
+ * @memberOf _
+ * @since 0.1.0
+ * @category Collection
+ * @param {Array|Object} collection The collection to iterate over.
+ * @param {...(Function|Function[])} [iteratees=[_.identity]]
+ * The iteratees to sort by.
+ * @returns {Array} Returns the new sorted array.
+ * @example
+ *
+ * var users = [
+ * { 'user': 'fred', 'age': 48 },
+ * { 'user': 'barney', 'age': 36 },
+ * { 'user': 'fred', 'age': 40 },
+ * { 'user': 'barney', 'age': 34 }
+ * ];
+ *
+ * _.sortBy(users, function(o) { return o.user; });
+ * // => objects for [['barney', 36], ['barney', 34], ['fred', 48], ['fred', 40]]
+ *
+ * _.sortBy(users, ['user', 'age']);
+ * // => objects for [['barney', 34], ['barney', 36], ['fred', 40], ['fred', 48]]
+ *
+ * _.sortBy(users, 'user', function(o) {
+ * return Math.floor(o.age / 10);
+ * });
+ * // => objects for [['barney', 36], ['barney', 34], ['fred', 48], ['fred', 40]]
+ */
+var sortBy = baseRest(function(collection, iteratees) {
+ if (collection == null) {
+ return [];
+ }
+ var length = iteratees.length;
+ if (length > 1 && isIterateeCall(collection, iteratees[0], iteratees[1])) {
+ iteratees = [];
+ } else if (length > 2 && isIterateeCall(iteratees[0], iteratees[1], iteratees[2])) {
+ iteratees = [iteratees[0]];
+ }
+ return baseOrderBy(collection, baseFlatten(iteratees, 1), []);
+});
+
+/**
+ * Creates a function that memoizes the result of `func`. If `resolver` is
+ * provided, it determines the cache key for storing the result based on the
+ * arguments provided to the memoized function. By default, the first argument
+ * provided to the memoized function is used as the map cache key. The `func`
+ * is invoked with the `this` binding of the memoized function.
+ *
+ * **Note:** The cache is exposed as the `cache` property on the memoized
+ * function. Its creation may be customized by replacing the `_.memoize.Cache`
+ * constructor with one whose instances implement the
+ * [`Map`](http://ecma-international.org/ecma-262/7.0/#sec-properties-of-the-map-prototype-object)
+ * method interface of `delete`, `get`, `has`, and `set`.
+ *
+ * @static
+ * @memberOf _
+ * @since 0.1.0
+ * @category Function
+ * @param {Function} func The function to have its output memoized.
+ * @param {Function} [resolver] The function to resolve the cache key.
+ * @returns {Function} Returns the new memoized function.
+ * @example
+ *
+ * var object = { 'a': 1, 'b': 2 };
+ * var other = { 'c': 3, 'd': 4 };
+ *
+ * var values = _.memoize(_.values);
+ * values(object);
+ * // => [1, 2]
+ *
+ * values(other);
+ * // => [3, 4]
+ *
+ * object.a = 2;
+ * values(object);
+ * // => [1, 2]
+ *
+ * // Modify the result cache.
+ * values.cache.set(object, ['a', 'b']);
+ * values(object);
+ * // => ['a', 'b']
+ *
+ * // Replace `_.memoize.Cache`.
+ * _.memoize.Cache = WeakMap;
+ */
+function memoize(func, resolver) {
+ if (typeof func != 'function' || (resolver && typeof resolver != 'function')) {
+ throw new TypeError(FUNC_ERROR_TEXT);
+ }
+ var memoized = function() {
+ var args = arguments,
+ key = resolver ? resolver.apply(this, args) : args[0],
+ cache = memoized.cache;
+
+ if (cache.has(key)) {
+ return cache.get(key);
+ }
+ var result = func.apply(this, args);
+ memoized.cache = cache.set(key, result);
+ return result;
+ };
+ memoized.cache = new (memoize.Cache || MapCache);
+ return memoized;
+}
+
+// Assign cache to `_.memoize`.
+memoize.Cache = MapCache;
+
+/**
+ * Performs a
+ * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)
+ * comparison between two values to determine if they are equivalent.
+ *
+ * @static
+ * @memberOf _
+ * @since 4.0.0
+ * @category Lang
+ * @param {*} value The value to compare.
+ * @param {*} other The other value to compare.
+ * @returns {boolean} Returns `true` if the values are equivalent, else `false`.
+ * @example
+ *
+ * var object = { 'a': 1 };
+ * var other = { 'a': 1 };
+ *
+ * _.eq(object, object);
+ * // => true
+ *
+ * _.eq(object, other);
+ * // => false
+ *
+ * _.eq('a', 'a');
+ * // => true
+ *
+ * _.eq('a', Object('a'));
+ * // => false
+ *
+ * _.eq(NaN, NaN);
+ * // => true
+ */
+function eq(value, other) {
+ return value === other || (value !== value && other !== other);
+}
+
+/**
+ * Checks if `value` is likely an `arguments` object.
+ *
+ * @static
+ * @memberOf _
+ * @since 0.1.0
+ * @category Lang
+ * @param {*} value The value to check.
+ * @returns {boolean} Returns `true` if `value` is an `arguments` object,
+ * else `false`.
+ * @example
+ *
+ * _.isArguments(function() { return arguments; }());
+ * // => true
+ *
+ * _.isArguments([1, 2, 3]);
+ * // => false
+ */
+function isArguments(value) {
+ // Safari 8.1 makes `arguments.callee` enumerable in strict mode.
+ return isArrayLikeObject(value) && hasOwnProperty.call(value, 'callee') &&
+ (!propertyIsEnumerable.call(value, 'callee') || objectToString.call(value) == argsTag);
+}
+
+/**
+ * Checks if `value` is classified as an `Array` object.
+ *
+ * @static
+ * @memberOf _
+ * @since 0.1.0
+ * @category Lang
+ * @param {*} value The value to check.
+ * @returns {boolean} Returns `true` if `value` is an array, else `false`.
+ * @example
+ *
+ * _.isArray([1, 2, 3]);
+ * // => true
+ *
+ * _.isArray(document.body.children);
+ * // => false
+ *
+ * _.isArray('abc');
+ * // => false
+ *
+ * _.isArray(_.noop);
+ * // => false
+ */
+var isArray = Array.isArray;
+
+/**
+ * Checks if `value` is array-like. A value is considered array-like if it's
+ * not a function and has a `value.length` that's an integer greater than or
+ * equal to `0` and less than or equal to `Number.MAX_SAFE_INTEGER`.
+ *
+ * @static
+ * @memberOf _
+ * @since 4.0.0
+ * @category Lang
+ * @param {*} value The value to check.
+ * @returns {boolean} Returns `true` if `value` is array-like, else `false`.
+ * @example
+ *
+ * _.isArrayLike([1, 2, 3]);
+ * // => true
+ *
+ * _.isArrayLike(document.body.children);
+ * // => true
+ *
+ * _.isArrayLike('abc');
+ * // => true
+ *
+ * _.isArrayLike(_.noop);
+ * // => false
+ */
+function isArrayLike(value) {
+ return value != null && isLength(value.length) && !isFunction(value);
+}
+
+/**
+ * This method is like `_.isArrayLike` except that it also checks if `value`
+ * is an object.
+ *
+ * @static
+ * @memberOf _
+ * @since 4.0.0
+ * @category Lang
+ * @param {*} value The value to check.
+ * @returns {boolean} Returns `true` if `value` is an array-like object,
+ * else `false`.
+ * @example
+ *
+ * _.isArrayLikeObject([1, 2, 3]);
+ * // => true
+ *
+ * _.isArrayLikeObject(document.body.children);
+ * // => true
+ *
+ * _.isArrayLikeObject('abc');
+ * // => false
+ *
+ * _.isArrayLikeObject(_.noop);
+ * // => false
+ */
+function isArrayLikeObject(value) {
+ return isObjectLike(value) && isArrayLike(value);
+}
+
+/**
+ * Checks if `value` is classified as a `Function` object.
+ *
+ * @static
+ * @memberOf _
+ * @since 0.1.0
+ * @category Lang
+ * @param {*} value The value to check.
+ * @returns {boolean} Returns `true` if `value` is a function, else `false`.
+ * @example
+ *
+ * _.isFunction(_);
+ * // => true
+ *
+ * _.isFunction(/abc/);
+ * // => false
+ */
+function isFunction(value) {
+ // The use of `Object#toString` avoids issues with the `typeof` operator
+ // in Safari 8-9 which returns 'object' for typed array and other constructors.
+ var tag = isObject(value) ? objectToString.call(value) : '';
+ return tag == funcTag || tag == genTag;
+}
+
+/**
+ * Checks if `value` is a valid array-like length.
+ *
+ * **Note:** This method is loosely based on
+ * [`ToLength`](http://ecma-international.org/ecma-262/7.0/#sec-tolength).
+ *
+ * @static
+ * @memberOf _
+ * @since 4.0.0
+ * @category Lang
+ * @param {*} value The value to check.
+ * @returns {boolean} Returns `true` if `value` is a valid length, else `false`.
+ * @example
+ *
+ * _.isLength(3);
+ * // => true
+ *
+ * _.isLength(Number.MIN_VALUE);
+ * // => false
+ *
+ * _.isLength(Infinity);
+ * // => false
+ *
+ * _.isLength('3');
+ * // => false
+ */
+function isLength(value) {
+ return typeof value == 'number' &&
+ value > -1 && value % 1 == 0 && value <= MAX_SAFE_INTEGER;
+}
+
+/**
+ * Checks if `value` is the
+ * [language type](http://www.ecma-international.org/ecma-262/7.0/#sec-ecmascript-language-types)
+ * of `Object`. (e.g. arrays, functions, objects, regexes, `new Number(0)`, and `new String('')`)
+ *
+ * @static
+ * @memberOf _
+ * @since 0.1.0
+ * @category Lang
+ * @param {*} value The value to check.
+ * @returns {boolean} Returns `true` if `value` is an object, else `false`.
+ * @example
+ *
+ * _.isObject({});
+ * // => true
+ *
+ * _.isObject([1, 2, 3]);
+ * // => true
+ *
+ * _.isObject(_.noop);
+ * // => true
+ *
+ * _.isObject(null);
+ * // => false
+ */
+function isObject(value) {
+ var type = typeof value;
+ return !!value && (type == 'object' || type == 'function');
+}
+
+/**
+ * Checks if `value` is object-like. A value is object-like if it's not `null`
+ * and has a `typeof` result of "object".
+ *
+ * @static
+ * @memberOf _
+ * @since 4.0.0
+ * @category Lang
+ * @param {*} value The value to check.
+ * @returns {boolean} Returns `true` if `value` is object-like, else `false`.
+ * @example
+ *
+ * _.isObjectLike({});
+ * // => true
+ *
+ * _.isObjectLike([1, 2, 3]);
+ * // => true
+ *
+ * _.isObjectLike(_.noop);
+ * // => false
+ *
+ * _.isObjectLike(null);
+ * // => false
+ */
+function isObjectLike(value) {
+ return !!value && typeof value == 'object';
+}
+
+/**
+ * Checks if `value` is classified as a `Symbol` primitive or object.
+ *
+ * @static
+ * @memberOf _
+ * @since 4.0.0
+ * @category Lang
+ * @param {*} value The value to check.
+ * @returns {boolean} Returns `true` if `value` is a symbol, else `false`.
+ * @example
+ *
+ * _.isSymbol(Symbol.iterator);
+ * // => true
+ *
+ * _.isSymbol('abc');
+ * // => false
+ */
+function isSymbol(value) {
+ return typeof value == 'symbol' ||
+ (isObjectLike(value) && objectToString.call(value) == symbolTag);
+}
+
+/**
+ * Checks if `value` is classified as a typed array.
+ *
+ * @static
+ * @memberOf _
+ * @since 3.0.0
+ * @category Lang
+ * @param {*} value The value to check.
+ * @returns {boolean} Returns `true` if `value` is a typed array, else `false`.
+ * @example
+ *
+ * _.isTypedArray(new Uint8Array);
+ * // => true
+ *
+ * _.isTypedArray([]);
+ * // => false
+ */
+var isTypedArray = nodeIsTypedArray ? baseUnary(nodeIsTypedArray) : baseIsTypedArray;
+
+/**
+ * Converts `value` to a string. An empty string is returned for `null`
+ * and `undefined` values. The sign of `-0` is preserved.
+ *
+ * @static
+ * @memberOf _
+ * @since 4.0.0
+ * @category Lang
+ * @param {*} value The value to process.
+ * @returns {string} Returns the string.
+ * @example
+ *
+ * _.toString(null);
+ * // => ''
+ *
+ * _.toString(-0);
+ * // => '-0'
+ *
+ * _.toString([1, 2, 3]);
+ * // => '1,2,3'
+ */
+function toString(value) {
+ return value == null ? '' : baseToString(value);
+}
+
+/**
+ * Gets the value at `path` of `object`. If the resolved value is
+ * `undefined`, the `defaultValue` is returned in its place.
+ *
+ * @static
+ * @memberOf _
+ * @since 3.7.0
+ * @category Object
+ * @param {Object} object The object to query.
+ * @param {Array|string} path The path of the property to get.
+ * @param {*} [defaultValue] The value returned for `undefined` resolved values.
+ * @returns {*} Returns the resolved value.
+ * @example
+ *
+ * var object = { 'a': [{ 'b': { 'c': 3 } }] };
+ *
+ * _.get(object, 'a[0].b.c');
+ * // => 3
+ *
+ * _.get(object, ['a', '0', 'b', 'c']);
+ * // => 3
+ *
+ * _.get(object, 'a.b.c', 'default');
+ * // => 'default'
+ */
+function get(object, path, defaultValue) {
+ var result = object == null ? undefined : baseGet(object, path);
+ return result === undefined ? defaultValue : result;
+}
+
+/**
+ * Checks if `path` is a direct or inherited property of `object`.
+ *
+ * @static
+ * @memberOf _
+ * @since 4.0.0
+ * @category Object
+ * @param {Object} object The object to query.
+ * @param {Array|string} path The path to check.
+ * @returns {boolean} Returns `true` if `path` exists, else `false`.
+ * @example
+ *
+ * var object = _.create({ 'a': _.create({ 'b': 2 }) });
+ *
+ * _.hasIn(object, 'a');
+ * // => true
+ *
+ * _.hasIn(object, 'a.b');
+ * // => true
+ *
+ * _.hasIn(object, ['a', 'b']);
+ * // => true
+ *
+ * _.hasIn(object, 'b');
+ * // => false
+ */
+function hasIn(object, path) {
+ return object != null && hasPath(object, path, baseHasIn);
+}
+
+/**
+ * Creates an array of the own enumerable property names of `object`.
+ *
+ * **Note:** Non-object values are coerced to objects. See the
+ * [ES spec](http://ecma-international.org/ecma-262/7.0/#sec-object.keys)
+ * for more details.
+ *
+ * @static
+ * @since 0.1.0
+ * @memberOf _
+ * @category Object
+ * @param {Object} object The object to query.
+ * @returns {Array} Returns the array of property names.
+ * @example
+ *
+ * function Foo() {
+ * this.a = 1;
+ * this.b = 2;
+ * }
+ *
+ * Foo.prototype.c = 3;
+ *
+ * _.keys(new Foo);
+ * // => ['a', 'b'] (iteration order is not guaranteed)
+ *
+ * _.keys('hi');
+ * // => ['0', '1']
+ */
+function keys(object) {
+ return isArrayLike(object) ? arrayLikeKeys(object) : baseKeys(object);
+}
+
+/**
+ * This method returns the first argument it receives.
+ *
+ * @static
+ * @since 0.1.0
+ * @memberOf _
+ * @category Util
+ * @param {*} value Any value.
+ * @returns {*} Returns `value`.
+ * @example
+ *
+ * var object = { 'a': 1 };
+ *
+ * console.log(_.identity(object) === object);
+ * // => true
+ */
+function identity(value) {
+ return value;
+}
+
+/**
+ * Creates a function that returns the value at `path` of a given object.
+ *
+ * @static
+ * @memberOf _
+ * @since 2.4.0
+ * @category Util
+ * @param {Array|string} path The path of the property to get.
+ * @returns {Function} Returns the new accessor function.
+ * @example
+ *
+ * var objects = [
+ * { 'a': { 'b': 2 } },
+ * { 'a': { 'b': 1 } }
+ * ];
+ *
+ * _.map(objects, _.property('a.b'));
+ * // => [2, 1]
+ *
+ * _.map(_.sortBy(objects, _.property(['a', 'b'])), 'a.b');
+ * // => [1, 2]
+ */
+function property(path) {
+ return isKey(path) ? baseProperty(toKey(path)) : basePropertyDeep(path);
+}
+
+module.exports = sortBy;
+
+}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
+},{}],292:[function(require,module,exports){
+var root = require('./_root');
+
+/** Built-in value references. */
+var Symbol = root.Symbol;
+
+module.exports = Symbol;
+
+},{"./_root":297}],293:[function(require,module,exports){
+var Symbol = require('./_Symbol'),
+ getRawTag = require('./_getRawTag'),
+ objectToString = require('./_objectToString');
+
+/** `Object#toString` result references. */
+var nullTag = '[object Null]',
+ undefinedTag = '[object Undefined]';
+
+/** Built-in value references. */
+var symToStringTag = Symbol ? Symbol.toStringTag : undefined;
+
+/**
+ * The base implementation of `getTag` without fallbacks for buggy environments.
+ *
+ * @private
+ * @param {*} value The value to query.
+ * @returns {string} Returns the `toStringTag`.
+ */
+function baseGetTag(value) {
+ if (value == null) {
+ return value === undefined ? undefinedTag : nullTag;
+ }
+ return (symToStringTag && symToStringTag in Object(value))
+ ? getRawTag(value)
+ : objectToString(value);
+}
+
+module.exports = baseGetTag;
+
+},{"./_Symbol":292,"./_getRawTag":295,"./_objectToString":296}],294:[function(require,module,exports){
+(function (global){
+/** Detect free variable `global` from Node.js. */
+var freeGlobal = typeof global == 'object' && global && global.Object === Object && global;
+
+module.exports = freeGlobal;
+
+}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
+},{}],295:[function(require,module,exports){
+var Symbol = require('./_Symbol');
+
+/** Used for built-in method references. */
+var objectProto = Object.prototype;
+
+/** Used to check objects for own properties. */
+var hasOwnProperty = objectProto.hasOwnProperty;
+
+/**
+ * Used to resolve the
+ * [`toStringTag`](http://ecma-international.org/ecma-262/7.0/#sec-object.prototype.tostring)
+ * of values.
+ */
+var nativeObjectToString = objectProto.toString;
+
+/** Built-in value references. */
+var symToStringTag = Symbol ? Symbol.toStringTag : undefined;
+
+/**
+ * A specialized version of `baseGetTag` which ignores `Symbol.toStringTag` values.
+ *
+ * @private
+ * @param {*} value The value to query.
+ * @returns {string} Returns the raw `toStringTag`.
+ */
+function getRawTag(value) {
+ var isOwn = hasOwnProperty.call(value, symToStringTag),
+ tag = value[symToStringTag];
+
+ try {
+ value[symToStringTag] = undefined;
+ var unmasked = true;
+ } catch (e) {}
+
+ var result = nativeObjectToString.call(value);
+ if (unmasked) {
+ if (isOwn) {
+ value[symToStringTag] = tag;
+ } else {
+ delete value[symToStringTag];
+ }
+ }
+ return result;
+}
+
+module.exports = getRawTag;
+
+},{"./_Symbol":292}],296:[function(require,module,exports){
+/** Used for built-in method references. */
+var objectProto = Object.prototype;
+
+/**
+ * Used to resolve the
+ * [`toStringTag`](http://ecma-international.org/ecma-262/7.0/#sec-object.prototype.tostring)
+ * of values.
+ */
+var nativeObjectToString = objectProto.toString;
+
+/**
+ * Converts `value` to a string using `Object.prototype.toString`.
+ *
+ * @private
+ * @param {*} value The value to convert.
+ * @returns {string} Returns the converted string.
+ */
+function objectToString(value) {
+ return nativeObjectToString.call(value);
+}
+
+module.exports = objectToString;
+
+},{}],297:[function(require,module,exports){
+var freeGlobal = require('./_freeGlobal');
+
+/** Detect free variable `self`. */
+var freeSelf = typeof self == 'object' && self && self.Object === Object && self;
+
+/** Used as a reference to the global object. */
+var root = freeGlobal || freeSelf || Function('return this')();
+
+module.exports = root;
+
+},{"./_freeGlobal":294}],298:[function(require,module,exports){
+/**
+ * Checks if `value` is classified as an `Array` object.
+ *
+ * @static
+ * @memberOf _
+ * @since 0.1.0
+ * @category Lang
+ * @param {*} value The value to check.
+ * @returns {boolean} Returns `true` if `value` is an array, else `false`.
+ * @example
+ *
+ * _.isArray([1, 2, 3]);
+ * // => true
+ *
+ * _.isArray(document.body.children);
+ * // => false
+ *
+ * _.isArray('abc');
+ * // => false
+ *
+ * _.isArray(_.noop);
+ * // => false
+ */
+var isArray = Array.isArray;
+
+module.exports = isArray;
+
+},{}],299:[function(require,module,exports){
+var baseGetTag = require('./_baseGetTag'),
+ isObject = require('./isObject');
+
+/** `Object#toString` result references. */
+var asyncTag = '[object AsyncFunction]',
+ funcTag = '[object Function]',
+ genTag = '[object GeneratorFunction]',
+ proxyTag = '[object Proxy]';
+
+/**
+ * Checks if `value` is classified as a `Function` object.
+ *
+ * @static
+ * @memberOf _
+ * @since 0.1.0
+ * @category Lang
+ * @param {*} value The value to check.
+ * @returns {boolean} Returns `true` if `value` is a function, else `false`.
+ * @example
+ *
+ * _.isFunction(_);
+ * // => true
+ *
+ * _.isFunction(/abc/);
+ * // => false
+ */
+function isFunction(value) {
+ if (!isObject(value)) {
+ return false;
+ }
+ // The use of `Object#toString` avoids issues with the `typeof` operator
+ // in Safari 9 which returns 'object' for typed arrays and other constructors.
+ var tag = baseGetTag(value);
+ return tag == funcTag || tag == genTag || tag == asyncTag || tag == proxyTag;
+}
+
+module.exports = isFunction;
+
+},{"./_baseGetTag":293,"./isObject":300}],300:[function(require,module,exports){
+/**
+ * Checks if `value` is the
+ * [language type](http://www.ecma-international.org/ecma-262/7.0/#sec-ecmascript-language-types)
+ * of `Object`. (e.g. arrays, functions, objects, regexes, `new Number(0)`, and `new String('')`)
+ *
+ * @static
+ * @memberOf _
+ * @since 0.1.0
+ * @category Lang
+ * @param {*} value The value to check.
+ * @returns {boolean} Returns `true` if `value` is an object, else `false`.
+ * @example
+ *
+ * _.isObject({});
+ * // => true
+ *
+ * _.isObject([1, 2, 3]);
+ * // => true
+ *
+ * _.isObject(_.noop);
+ * // => true
+ *
+ * _.isObject(null);
+ * // => false
+ */
+function isObject(value) {
+ var type = typeof value;
+ return value != null && (type == 'object' || type == 'function');
+}
+
+module.exports = isObject;
+
+},{}],301:[function(require,module,exports){
+/**
+ * Checks if `value` is object-like. A value is object-like if it's not `null`
+ * and has a `typeof` result of "object".
+ *
+ * @static
+ * @memberOf _
+ * @since 4.0.0
+ * @category Lang
+ * @param {*} value The value to check.
+ * @returns {boolean} Returns `true` if `value` is object-like, else `false`.
+ * @example
+ *
+ * _.isObjectLike({});
+ * // => true
+ *
+ * _.isObjectLike([1, 2, 3]);
+ * // => true
+ *
+ * _.isObjectLike(_.noop);
+ * // => false
+ *
+ * _.isObjectLike(null);
+ * // => false
+ */
+function isObjectLike(value) {
+ return value != null && typeof value == 'object';
+}
+
+module.exports = isObjectLike;
+
+},{}],302:[function(require,module,exports){
+var baseGetTag = require('./_baseGetTag'),
+ isArray = require('./isArray'),
+ isObjectLike = require('./isObjectLike');
+
+/** `Object#toString` result references. */
+var stringTag = '[object String]';
+
+/**
+ * Checks if `value` is classified as a `String` primitive or object.
+ *
+ * @static
+ * @since 0.1.0
+ * @memberOf _
+ * @category Lang
+ * @param {*} value The value to check.
+ * @returns {boolean} Returns `true` if `value` is a string, else `false`.
+ * @example
+ *
+ * _.isString('abc');
+ * // => true
+ *
+ * _.isString(1);
+ * // => false
+ */
+function isString(value) {
+ return typeof value == 'string' ||
+ (!isArray(value) && isObjectLike(value) && baseGetTag(value) == stringTag);
+}
+
+module.exports = isString;
+
+},{"./_baseGetTag":293,"./isArray":298,"./isObjectLike":301}],303:[function(require,module,exports){
+/**
+ * Checks if `value` is `undefined`.
+ *
+ * @static
+ * @since 0.1.0
+ * @memberOf _
+ * @category Lang
+ * @param {*} value The value to check.
+ * @returns {boolean} Returns `true` if `value` is `undefined`, else `false`.
+ * @example
+ *
+ * _.isUndefined(void 0);
+ * // => true
+ *
+ * _.isUndefined(null);
+ * // => false
+ */
+function isUndefined(value) {
+ return value === undefined;
+}
+
+module.exports = isUndefined;
+
+},{}],304:[function(require,module,exports){
+(function (Buffer){
+'use strict'
+var inherits = require('inherits')
+var HashBase = require('hash-base')
+
+var ARRAY16 = new Array(16)
+
+function MD5 () {
+ HashBase.call(this, 64)
+
+ // state
+ this._a = 0x67452301
+ this._b = 0xefcdab89
+ this._c = 0x98badcfe
+ this._d = 0x10325476
+}
+
+inherits(MD5, HashBase)
+
+MD5.prototype._update = function () {
+ var M = ARRAY16
+ for (var i = 0; i < 16; ++i) M[i] = this._block.readInt32LE(i * 4)
+
+ var a = this._a
+ var b = this._b
+ var c = this._c
+ var d = this._d
+
+ a = fnF(a, b, c, d, M[0], 0xd76aa478, 7)
+ d = fnF(d, a, b, c, M[1], 0xe8c7b756, 12)
+ c = fnF(c, d, a, b, M[2], 0x242070db, 17)
+ b = fnF(b, c, d, a, M[3], 0xc1bdceee, 22)
+ a = fnF(a, b, c, d, M[4], 0xf57c0faf, 7)
+ d = fnF(d, a, b, c, M[5], 0x4787c62a, 12)
+ c = fnF(c, d, a, b, M[6], 0xa8304613, 17)
+ b = fnF(b, c, d, a, M[7], 0xfd469501, 22)
+ a = fnF(a, b, c, d, M[8], 0x698098d8, 7)
+ d = fnF(d, a, b, c, M[9], 0x8b44f7af, 12)
+ c = fnF(c, d, a, b, M[10], 0xffff5bb1, 17)
+ b = fnF(b, c, d, a, M[11], 0x895cd7be, 22)
+ a = fnF(a, b, c, d, M[12], 0x6b901122, 7)
+ d = fnF(d, a, b, c, M[13], 0xfd987193, 12)
+ c = fnF(c, d, a, b, M[14], 0xa679438e, 17)
+ b = fnF(b, c, d, a, M[15], 0x49b40821, 22)
+
+ a = fnG(a, b, c, d, M[1], 0xf61e2562, 5)
+ d = fnG(d, a, b, c, M[6], 0xc040b340, 9)
+ c = fnG(c, d, a, b, M[11], 0x265e5a51, 14)
+ b = fnG(b, c, d, a, M[0], 0xe9b6c7aa, 20)
+ a = fnG(a, b, c, d, M[5], 0xd62f105d, 5)
+ d = fnG(d, a, b, c, M[10], 0x02441453, 9)
+ c = fnG(c, d, a, b, M[15], 0xd8a1e681, 14)
+ b = fnG(b, c, d, a, M[4], 0xe7d3fbc8, 20)
+ a = fnG(a, b, c, d, M[9], 0x21e1cde6, 5)
+ d = fnG(d, a, b, c, M[14], 0xc33707d6, 9)
+ c = fnG(c, d, a, b, M[3], 0xf4d50d87, 14)
+ b = fnG(b, c, d, a, M[8], 0x455a14ed, 20)
+ a = fnG(a, b, c, d, M[13], 0xa9e3e905, 5)
+ d = fnG(d, a, b, c, M[2], 0xfcefa3f8, 9)
+ c = fnG(c, d, a, b, M[7], 0x676f02d9, 14)
+ b = fnG(b, c, d, a, M[12], 0x8d2a4c8a, 20)
+
+ a = fnH(a, b, c, d, M[5], 0xfffa3942, 4)
+ d = fnH(d, a, b, c, M[8], 0x8771f681, 11)
+ c = fnH(c, d, a, b, M[11], 0x6d9d6122, 16)
+ b = fnH(b, c, d, a, M[14], 0xfde5380c, 23)
+ a = fnH(a, b, c, d, M[1], 0xa4beea44, 4)
+ d = fnH(d, a, b, c, M[4], 0x4bdecfa9, 11)
+ c = fnH(c, d, a, b, M[7], 0xf6bb4b60, 16)
+ b = fnH(b, c, d, a, M[10], 0xbebfbc70, 23)
+ a = fnH(a, b, c, d, M[13], 0x289b7ec6, 4)
+ d = fnH(d, a, b, c, M[0], 0xeaa127fa, 11)
+ c = fnH(c, d, a, b, M[3], 0xd4ef3085, 16)
+ b = fnH(b, c, d, a, M[6], 0x04881d05, 23)
+ a = fnH(a, b, c, d, M[9], 0xd9d4d039, 4)
+ d = fnH(d, a, b, c, M[12], 0xe6db99e5, 11)
+ c = fnH(c, d, a, b, M[15], 0x1fa27cf8, 16)
+ b = fnH(b, c, d, a, M[2], 0xc4ac5665, 23)
+
+ a = fnI(a, b, c, d, M[0], 0xf4292244, 6)
+ d = fnI(d, a, b, c, M[7], 0x432aff97, 10)
+ c = fnI(c, d, a, b, M[14], 0xab9423a7, 15)
+ b = fnI(b, c, d, a, M[5], 0xfc93a039, 21)
+ a = fnI(a, b, c, d, M[12], 0x655b59c3, 6)
+ d = fnI(d, a, b, c, M[3], 0x8f0ccc92, 10)
+ c = fnI(c, d, a, b, M[10], 0xffeff47d, 15)
+ b = fnI(b, c, d, a, M[1], 0x85845dd1, 21)
+ a = fnI(a, b, c, d, M[8], 0x6fa87e4f, 6)
+ d = fnI(d, a, b, c, M[15], 0xfe2ce6e0, 10)
+ c = fnI(c, d, a, b, M[6], 0xa3014314, 15)
+ b = fnI(b, c, d, a, M[13], 0x4e0811a1, 21)
+ a = fnI(a, b, c, d, M[4], 0xf7537e82, 6)
+ d = fnI(d, a, b, c, M[11], 0xbd3af235, 10)
+ c = fnI(c, d, a, b, M[2], 0x2ad7d2bb, 15)
+ b = fnI(b, c, d, a, M[9], 0xeb86d391, 21)
+
+ this._a = (this._a + a) | 0
+ this._b = (this._b + b) | 0
+ this._c = (this._c + c) | 0
+ this._d = (this._d + d) | 0
+}
+
+MD5.prototype._digest = function () {
+ // create padding and handle blocks
+ this._block[this._blockOffset++] = 0x80
+ if (this._blockOffset > 56) {
+ this._block.fill(0, this._blockOffset, 64)
+ this._update()
+ this._blockOffset = 0
+ }
+
+ this._block.fill(0, this._blockOffset, 56)
+ this._block.writeUInt32LE(this._length[0], 56)
+ this._block.writeUInt32LE(this._length[1], 60)
+ this._update()
+
+ // produce result
+ var buffer = new Buffer(16)
+ buffer.writeInt32LE(this._a, 0)
+ buffer.writeInt32LE(this._b, 4)
+ buffer.writeInt32LE(this._c, 8)
+ buffer.writeInt32LE(this._d, 12)
+ return buffer
+}
+
+function rotl (x, n) {
+ return (x << n) | (x >>> (32 - n))
+}
+
+function fnF (a, b, c, d, m, k, s) {
+ return (rotl((a + ((b & c) | ((~b) & d)) + m + k) | 0, s) + b) | 0
+}
+
+function fnG (a, b, c, d, m, k, s) {
+ return (rotl((a + ((b & d) | (c & (~d))) + m + k) | 0, s) + b) | 0
+}
+
+function fnH (a, b, c, d, m, k, s) {
+ return (rotl((a + (b ^ c ^ d) + m + k) | 0, s) + b) | 0
+}
+
+function fnI (a, b, c, d, m, k, s) {
+ return (rotl((a + ((c ^ (b | (~d)))) + m + k) | 0, s) + b) | 0
+}
+
+module.exports = MD5
+
+}).call(this,require("buffer").Buffer)
+},{"buffer":108,"hash-base":305,"inherits":279}],305:[function(require,module,exports){
+'use strict'
+var Buffer = require('safe-buffer').Buffer
+var Transform = require('stream').Transform
+var inherits = require('inherits')
+
+function throwIfNotStringOrBuffer (val, prefix) {
+ if (!Buffer.isBuffer(val) && typeof val !== 'string') {
+ throw new TypeError(prefix + ' must be a string or a buffer')
+ }
+}
+
+function HashBase (blockSize) {
+ Transform.call(this)
+
+ this._block = Buffer.allocUnsafe(blockSize)
+ this._blockSize = blockSize
+ this._blockOffset = 0
+ this._length = [0, 0, 0, 0]
+
+ this._finalized = false
+}
+
+inherits(HashBase, Transform)
+
+HashBase.prototype._transform = function (chunk, encoding, callback) {
+ var error = null
+ try {
+ this.update(chunk, encoding)
+ } catch (err) {
+ error = err
+ }
+
+ callback(error)
+}
+
+HashBase.prototype._flush = function (callback) {
+ var error = null
+ try {
+ this.push(this.digest())
+ } catch (err) {
+ error = err
+ }
+
+ callback(error)
+}
+
+HashBase.prototype.update = function (data, encoding) {
+ throwIfNotStringOrBuffer(data, 'Data')
+ if (this._finalized) throw new Error('Digest already called')
+ if (!Buffer.isBuffer(data)) data = Buffer.from(data, encoding)
+
+ // consume data
+ var block = this._block
+ var offset = 0
+ while (this._blockOffset + data.length - offset >= this._blockSize) {
+ for (var i = this._blockOffset; i < this._blockSize;) block[i++] = data[offset++]
+ this._update()
+ this._blockOffset = 0
+ }
+ while (offset < data.length) block[this._blockOffset++] = data[offset++]
+
+ // update length
+ for (var j = 0, carry = data.length * 8; carry > 0; ++j) {
+ this._length[j] += carry
+ carry = (this._length[j] / 0x0100000000) | 0
+ if (carry > 0) this._length[j] -= 0x0100000000 * carry
+ }
+
+ return this
+}
+
+HashBase.prototype._update = function () {
+ throw new Error('_update is not implemented')
+}
+
+HashBase.prototype.digest = function (encoding) {
+ if (this._finalized) throw new Error('Digest already called')
+ this._finalized = true
+
+ var digest = this._digest()
+ if (encoding !== undefined) digest = digest.toString(encoding)
+
+ // reset state
+ this._block.fill(0)
+ this._blockOffset = 0
+ for (var i = 0; i < 4; ++i) this._length[i] = 0
+
+ return digest
+}
+
+HashBase.prototype._digest = function () {
+ throw new Error('_digest is not implemented')
+}
+
+module.exports = HashBase
+
+},{"inherits":279,"safe-buffer":393,"stream":438}],306:[function(require,module,exports){
+var bn = require('bn.js');
+var brorand = require('brorand');
+
+function MillerRabin(rand) {
+ this.rand = rand || new brorand.Rand();
+}
+module.exports = MillerRabin;
+
+MillerRabin.create = function create(rand) {
+ return new MillerRabin(rand);
+};
+
+MillerRabin.prototype._randbelow = function _randbelow(n) {
+ var len = n.bitLength();
+ var min_bytes = Math.ceil(len / 8);
+
+ // Generage random bytes until a number less than n is found.
+ // This ensures that 0..n-1 have an equal probability of being selected.
+ do
+ var a = new bn(this.rand.generate(min_bytes));
+ while (a.cmp(n) >= 0);
+
+ return a;
+};
+
+MillerRabin.prototype._randrange = function _randrange(start, stop) {
+ // Generate a random number greater than or equal to start and less than stop.
+ var size = stop.sub(start);
+ return start.add(this._randbelow(size));
+};
+
+MillerRabin.prototype.test = function test(n, k, cb) {
+ var len = n.bitLength();
+ var red = bn.mont(n);
+ var rone = new bn(1).toRed(red);
+
+ if (!k)
+ k = Math.max(1, (len / 48) | 0);
+
+ // Find d and s, (n - 1) = (2 ^ s) * d;
+ var n1 = n.subn(1);
+ for (var s = 0; !n1.testn(s); s++) {}
+ var d = n.shrn(s);
+
+ var rn1 = n1.toRed(red);
+
+ var prime = true;
+ for (; k > 0; k--) {
+ var a = this._randrange(new bn(2), n1);
+ if (cb)
+ cb(a);
+
+ var x = a.toRed(red).redPow(d);
+ if (x.cmp(rone) === 0 || x.cmp(rn1) === 0)
+ continue;
+
+ for (var i = 1; i < s; i++) {
+ x = x.redSqr();
+
+ if (x.cmp(rone) === 0)
+ return false;
+ if (x.cmp(rn1) === 0)
+ break;
+ }
+
+ if (i === s)
+ return false;
+ }
+
+ return prime;
+};
+
+MillerRabin.prototype.getDivisor = function getDivisor(n, k) {
+ var len = n.bitLength();
+ var red = bn.mont(n);
+ var rone = new bn(1).toRed(red);
+
+ if (!k)
+ k = Math.max(1, (len / 48) | 0);
+
+ // Find d and s, (n - 1) = (2 ^ s) * d;
+ var n1 = n.subn(1);
+ for (var s = 0; !n1.testn(s); s++) {}
+ var d = n.shrn(s);
+
+ var rn1 = n1.toRed(red);
+
+ for (; k > 0; k--) {
+ var a = this._randrange(new bn(2), n1);
+
+ var g = n.gcd(a);
+ if (g.cmpn(1) !== 0)
+ return g;
+
+ var x = a.toRed(red).redPow(d);
+ if (x.cmp(rone) === 0 || x.cmp(rn1) === 0)
+ continue;
+
+ for (var i = 1; i < s; i++) {
+ x = x.redSqr();
+
+ if (x.cmp(rone) === 0)
+ return x.fromRed().subn(1).gcd(n);
+ if (x.cmp(rn1) === 0)
+ break;
+ }
+
+ if (i === s) {
+ x = x.redSqr();
+ return x.fromRed().subn(1).gcd(n);
+ }
+ }
+
+ return false;
+};
+
+},{"bn.js":74,"brorand":75}],307:[function(require,module,exports){
+module.exports={
+ "application/1d-interleaved-parityfec": {
+ "source": "iana"
+ },
+ "application/3gpdash-qoe-report+xml": {
+ "source": "iana"
+ },
+ "application/3gpp-ims+xml": {
+ "source": "iana"
+ },
+ "application/a2l": {
+ "source": "iana"
+ },
+ "application/activemessage": {
+ "source": "iana"
+ },
+ "application/alto-costmap+json": {
+ "source": "iana",
+ "compressible": true
+ },
+ "application/alto-costmapfilter+json": {
+ "source": "iana",
+ "compressible": true
+ },
+ "application/alto-directory+json": {
+ "source": "iana",
+ "compressible": true
+ },
+ "application/alto-endpointcost+json": {
+ "source": "iana",
+ "compressible": true
+ },
+ "application/alto-endpointcostparams+json": {
+ "source": "iana",
+ "compressible": true
+ },
+ "application/alto-endpointprop+json": {
+ "source": "iana",
+ "compressible": true
+ },
+ "application/alto-endpointpropparams+json": {
+ "source": "iana",
+ "compressible": true
+ },
+ "application/alto-error+json": {
+ "source": "iana",
+ "compressible": true
+ },
+ "application/alto-networkmap+json": {
+ "source": "iana",
+ "compressible": true
+ },
+ "application/alto-networkmapfilter+json": {
+ "source": "iana",
+ "compressible": true
+ },
+ "application/aml": {
+ "source": "iana"
+ },
+ "application/andrew-inset": {
+ "source": "iana",
+ "extensions": ["ez"]
+ },
+ "application/applefile": {
+ "source": "iana"
+ },
+ "application/applixware": {
+ "source": "apache",
+ "extensions": ["aw"]
+ },
+ "application/atf": {
+ "source": "iana"
+ },
+ "application/atfx": {
+ "source": "iana"
+ },
+ "application/atom+xml": {
+ "source": "iana",
+ "compressible": true,
+ "extensions": ["atom"]
+ },
+ "application/atomcat+xml": {
+ "source": "iana",
+ "extensions": ["atomcat"]
+ },
+ "application/atomdeleted+xml": {
+ "source": "iana"
+ },
+ "application/atomicmail": {
+ "source": "iana"
+ },
+ "application/atomsvc+xml": {
+ "source": "iana",
+ "extensions": ["atomsvc"]
+ },
+ "application/atxml": {
+ "source": "iana"
+ },
+ "application/auth-policy+xml": {
+ "source": "iana"
+ },
+ "application/bacnet-xdd+zip": {
+ "source": "iana"
+ },
+ "application/batch-smtp": {
+ "source": "iana"
+ },
+ "application/bdoc": {
+ "compressible": false,
+ "extensions": ["bdoc"]
+ },
+ "application/beep+xml": {
+ "source": "iana"
+ },
+ "application/calendar+json": {
+ "source": "iana",
+ "compressible": true
+ },
+ "application/calendar+xml": {
+ "source": "iana"
+ },
+ "application/call-completion": {
+ "source": "iana"
+ },
+ "application/cals-1840": {
+ "source": "iana"
+ },
+ "application/cbor": {
+ "source": "iana"
+ },
+ "application/cccex": {
+ "source": "iana"
+ },
+ "application/ccmp+xml": {
+ "source": "iana"
+ },
+ "application/ccxml+xml": {
+ "source": "iana",
+ "extensions": ["ccxml"]
+ },
+ "application/cdfx+xml": {
+ "source": "iana"
+ },
+ "application/cdmi-capability": {
+ "source": "iana",
+ "extensions": ["cdmia"]
+ },
+ "application/cdmi-container": {
+ "source": "iana",
+ "extensions": ["cdmic"]
+ },
+ "application/cdmi-domain": {
+ "source": "iana",
+ "extensions": ["cdmid"]
+ },
+ "application/cdmi-object": {
+ "source": "iana",
+ "extensions": ["cdmio"]
+ },
+ "application/cdmi-queue": {
+ "source": "iana",
+ "extensions": ["cdmiq"]
+ },
+ "application/cdni": {
+ "source": "iana"
+ },
+ "application/cea": {
+ "source": "iana"
+ },
+ "application/cea-2018+xml": {
+ "source": "iana"
+ },
+ "application/cellml+xml": {
+ "source": "iana"
+ },
+ "application/cfw": {
+ "source": "iana"
+ },
+ "application/clue_info+xml": {
+ "source": "iana"
+ },
+ "application/cms": {
+ "source": "iana"
+ },
+ "application/cnrp+xml": {
+ "source": "iana"
+ },
+ "application/coap-group+json": {
+ "source": "iana",
+ "compressible": true
+ },
+ "application/coap-payload": {
+ "source": "iana"
+ },
+ "application/commonground": {
+ "source": "iana"
+ },
+ "application/conference-info+xml": {
+ "source": "iana"
+ },
+ "application/cose": {
+ "source": "iana"
+ },
+ "application/cose-key": {
+ "source": "iana"
+ },
+ "application/cose-key-set": {
+ "source": "iana"
+ },
+ "application/cpl+xml": {
+ "source": "iana"
+ },
+ "application/csrattrs": {
+ "source": "iana"
+ },
+ "application/csta+xml": {
+ "source": "iana"
+ },
+ "application/cstadata+xml": {
+ "source": "iana"
+ },
+ "application/csvm+json": {
+ "source": "iana",
+ "compressible": true
+ },
+ "application/cu-seeme": {
+ "source": "apache",
+ "extensions": ["cu"]
+ },
+ "application/cybercash": {
+ "source": "iana"
+ },
+ "application/dart": {
+ "compressible": true
+ },
+ "application/dash+xml": {
+ "source": "iana",
+ "extensions": ["mpd"]
+ },
+ "application/dashdelta": {
+ "source": "iana"
+ },
+ "application/davmount+xml": {
+ "source": "iana",
+ "extensions": ["davmount"]
+ },
+ "application/dca-rft": {
+ "source": "iana"
+ },
+ "application/dcd": {
+ "source": "iana"
+ },
+ "application/dec-dx": {
+ "source": "iana"
+ },
+ "application/dialog-info+xml": {
+ "source": "iana"
+ },
+ "application/dicom": {
+ "source": "iana"
+ },
+ "application/dicom+json": {
+ "source": "iana",
+ "compressible": true
+ },
+ "application/dicom+xml": {
+ "source": "iana"
+ },
+ "application/dii": {
+ "source": "iana"
+ },
+ "application/dit": {
+ "source": "iana"
+ },
+ "application/dns": {
+ "source": "iana"
+ },
+ "application/docbook+xml": {
+ "source": "apache",
+ "extensions": ["dbk"]
+ },
+ "application/dskpp+xml": {
+ "source": "iana"
+ },
+ "application/dssc+der": {
+ "source": "iana",
+ "extensions": ["dssc"]
+ },
+ "application/dssc+xml": {
+ "source": "iana",
+ "extensions": ["xdssc"]
+ },
+ "application/dvcs": {
+ "source": "iana"
+ },
+ "application/ecmascript": {
+ "source": "iana",
+ "compressible": true,
+ "extensions": ["ecma"]
+ },
+ "application/edi-consent": {
+ "source": "iana"
+ },
+ "application/edi-x12": {
+ "source": "iana",
+ "compressible": false
+ },
+ "application/edifact": {
+ "source": "iana",
+ "compressible": false
+ },
+ "application/efi": {
+ "source": "iana"
+ },
+ "application/emergencycalldata.comment+xml": {
+ "source": "iana"
+ },
+ "application/emergencycalldata.control+xml": {
+ "source": "iana"
+ },
+ "application/emergencycalldata.deviceinfo+xml": {
+ "source": "iana"
+ },
+ "application/emergencycalldata.ecall.msd": {
+ "source": "iana"
+ },
+ "application/emergencycalldata.providerinfo+xml": {
+ "source": "iana"
+ },
+ "application/emergencycalldata.serviceinfo+xml": {
+ "source": "iana"
+ },
+ "application/emergencycalldata.subscriberinfo+xml": {
+ "source": "iana"
+ },
+ "application/emergencycalldata.veds+xml": {
+ "source": "iana"
+ },
+ "application/emma+xml": {
+ "source": "iana",
+ "extensions": ["emma"]
+ },
+ "application/emotionml+xml": {
+ "source": "iana"
+ },
+ "application/encaprtp": {
+ "source": "iana"
+ },
+ "application/epp+xml": {
+ "source": "iana"
+ },
+ "application/epub+zip": {
+ "source": "iana",
+ "extensions": ["epub"]
+ },
+ "application/eshop": {
+ "source": "iana"
+ },
+ "application/exi": {
+ "source": "iana",
+ "extensions": ["exi"]
+ },
+ "application/fastinfoset": {
+ "source": "iana"
+ },
+ "application/fastsoap": {
+ "source": "iana"
+ },
+ "application/fdt+xml": {
+ "source": "iana"
+ },
+ "application/fido.trusted-apps+json": {
+ "compressible": true
+ },
+ "application/fits": {
+ "source": "iana"
+ },
+ "application/font-sfnt": {
+ "source": "iana"
+ },
+ "application/font-tdpfr": {
+ "source": "iana",
+ "extensions": ["pfr"]
+ },
+ "application/font-woff": {
+ "source": "iana",
+ "compressible": false,
+ "extensions": ["woff"]
+ },
+ "application/font-woff2": {
+ "compressible": false,
+ "extensions": ["woff2"]
+ },
+ "application/framework-attributes+xml": {
+ "source": "iana"
+ },
+ "application/geo+json": {
+ "source": "iana",
+ "compressible": true,
+ "extensions": ["geojson"]
+ },
+ "application/geo+json-seq": {
+ "source": "iana"
+ },
+ "application/geoxacml+xml": {
+ "source": "iana"
+ },
+ "application/gml+xml": {
+ "source": "iana",
+ "extensions": ["gml"]
+ },
+ "application/gpx+xml": {
+ "source": "apache",
+ "extensions": ["gpx"]
+ },
+ "application/gxf": {
+ "source": "apache",
+ "extensions": ["gxf"]
+ },
+ "application/gzip": {
+ "source": "iana",
+ "compressible": false,
+ "extensions": ["gz"]
+ },
+ "application/h224": {
+ "source": "iana"
+ },
+ "application/held+xml": {
+ "source": "iana"
+ },
+ "application/http": {
+ "source": "iana"
+ },
+ "application/hyperstudio": {
+ "source": "iana",
+ "extensions": ["stk"]
+ },
+ "application/ibe-key-request+xml": {
+ "source": "iana"
+ },
+ "application/ibe-pkg-reply+xml": {
+ "source": "iana"
+ },
+ "application/ibe-pp-data": {
+ "source": "iana"
+ },
+ "application/iges": {
+ "source": "iana"
+ },
+ "application/im-iscomposing+xml": {
+ "source": "iana"
+ },
+ "application/index": {
+ "source": "iana"
+ },
+ "application/index.cmd": {
+ "source": "iana"
+ },
+ "application/index.obj": {
+ "source": "iana"
+ },
+ "application/index.response": {
+ "source": "iana"
+ },
+ "application/index.vnd": {
+ "source": "iana"
+ },
+ "application/inkml+xml": {
+ "source": "iana",
+ "extensions": ["ink","inkml"]
+ },
+ "application/iotp": {
+ "source": "iana"
+ },
+ "application/ipfix": {
+ "source": "iana",
+ "extensions": ["ipfix"]
+ },
+ "application/ipp": {
+ "source": "iana"
+ },
+ "application/isup": {
+ "source": "iana"
+ },
+ "application/its+xml": {
+ "source": "iana"
+ },
+ "application/java-archive": {
+ "source": "apache",
+ "compressible": false,
+ "extensions": ["jar","war","ear"]
+ },
+ "application/java-serialized-object": {
+ "source": "apache",
+ "compressible": false,
+ "extensions": ["ser"]
+ },
+ "application/java-vm": {
+ "source": "apache",
+ "compressible": false,
+ "extensions": ["class"]
+ },
+ "application/javascript": {
+ "source": "iana",
+ "charset": "UTF-8",
+ "compressible": true,
+ "extensions": ["js","mjs"]
+ },
+ "application/jf2feed+json": {
+ "source": "iana",
+ "compressible": true
+ },
+ "application/jose": {
+ "source": "iana"
+ },
+ "application/jose+json": {
+ "source": "iana",
+ "compressible": true
+ },
+ "application/jrd+json": {
+ "source": "iana",
+ "compressible": true
+ },
+ "application/json": {
+ "source": "iana",
+ "charset": "UTF-8",
+ "compressible": true,
+ "extensions": ["json","map"]
+ },
+ "application/json-patch+json": {
+ "source": "iana",
+ "compressible": true
+ },
+ "application/json-seq": {
+ "source": "iana"
+ },
+ "application/json5": {
+ "extensions": ["json5"]
+ },
+ "application/jsonml+json": {
+ "source": "apache",
+ "compressible": true,
+ "extensions": ["jsonml"]
+ },
+ "application/jwk+json": {
+ "source": "iana",
+ "compressible": true
+ },
+ "application/jwk-set+json": {
+ "source": "iana",
+ "compressible": true
+ },
+ "application/jwt": {
+ "source": "iana"
+ },
+ "application/kpml-request+xml": {
+ "source": "iana"
+ },
+ "application/kpml-response+xml": {
+ "source": "iana"
+ },
+ "application/ld+json": {
+ "source": "iana",
+ "compressible": true,
+ "extensions": ["jsonld"]
+ },
+ "application/lgr+xml": {
+ "source": "iana"
+ },
+ "application/link-format": {
+ "source": "iana"
+ },
+ "application/load-control+xml": {
+ "source": "iana"
+ },
+ "application/lost+xml": {
+ "source": "iana",
+ "extensions": ["lostxml"]
+ },
+ "application/lostsync+xml": {
+ "source": "iana"
+ },
+ "application/lxf": {
+ "source": "iana"
+ },
+ "application/mac-binhex40": {
+ "source": "iana",
+ "extensions": ["hqx"]
+ },
+ "application/mac-compactpro": {
+ "source": "apache",
+ "extensions": ["cpt"]
+ },
+ "application/macwriteii": {
+ "source": "iana"
+ },
+ "application/mads+xml": {
+ "source": "iana",
+ "extensions": ["mads"]
+ },
+ "application/manifest+json": {
+ "charset": "UTF-8",
+ "compressible": true,
+ "extensions": ["webmanifest"]
+ },
+ "application/marc": {
+ "source": "iana",
+ "extensions": ["mrc"]
+ },
+ "application/marcxml+xml": {
+ "source": "iana",
+ "extensions": ["mrcx"]
+ },
+ "application/mathematica": {
+ "source": "iana",
+ "extensions": ["ma","nb","mb"]
+ },
+ "application/mathml+xml": {
+ "source": "iana",
+ "extensions": ["mathml"]
+ },
+ "application/mathml-content+xml": {
+ "source": "iana"
+ },
+ "application/mathml-presentation+xml": {
+ "source": "iana"
+ },
+ "application/mbms-associated-procedure-description+xml": {
+ "source": "iana"
+ },
+ "application/mbms-deregister+xml": {
+ "source": "iana"
+ },
+ "application/mbms-envelope+xml": {
+ "source": "iana"
+ },
+ "application/mbms-msk+xml": {
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+ },
+ "video/encaprtp": {
+ "source": "iana"
+ },
+ "video/h261": {
+ "source": "iana",
+ "extensions": ["h261"]
+ },
+ "video/h263": {
+ "source": "iana",
+ "extensions": ["h263"]
+ },
+ "video/h263-1998": {
+ "source": "iana"
+ },
+ "video/h263-2000": {
+ "source": "iana"
+ },
+ "video/h264": {
+ "source": "iana",
+ "extensions": ["h264"]
+ },
+ "video/h264-rcdo": {
+ "source": "iana"
+ },
+ "video/h264-svc": {
+ "source": "iana"
+ },
+ "video/h265": {
+ "source": "iana"
+ },
+ "video/iso.segment": {
+ "source": "iana"
+ },
+ "video/jpeg": {
+ "source": "iana",
+ "extensions": ["jpgv"]
+ },
+ "video/jpeg2000": {
+ "source": "iana"
+ },
+ "video/jpm": {
+ "source": "apache",
+ "extensions": ["jpm","jpgm"]
+ },
+ "video/mj2": {
+ "source": "iana",
+ "extensions": ["mj2","mjp2"]
+ },
+ "video/mp1s": {
+ "source": "iana"
+ },
+ "video/mp2p": {
+ "source": "iana"
+ },
+ "video/mp2t": {
+ "source": "iana",
+ "extensions": ["ts"]
+ },
+ "video/mp4": {
+ "source": "iana",
+ "compressible": false,
+ "extensions": ["mp4","mp4v","mpg4"]
+ },
+ "video/mp4v-es": {
+ "source": "iana"
+ },
+ "video/mpeg": {
+ "source": "iana",
+ "compressible": false,
+ "extensions": ["mpeg","mpg","mpe","m1v","m2v"]
+ },
+ "video/mpeg4-generic": {
+ "source": "iana"
+ },
+ "video/mpv": {
+ "source": "iana"
+ },
+ "video/nv": {
+ "source": "iana"
+ },
+ "video/ogg": {
+ "source": "iana",
+ "compressible": false,
+ "extensions": ["ogv"]
+ },
+ "video/parityfec": {
+ "source": "iana"
+ },
+ "video/pointer": {
+ "source": "iana"
+ },
+ "video/quicktime": {
+ "source": "iana",
+ "compressible": false,
+ "extensions": ["qt","mov"]
+ },
+ "video/raptorfec": {
+ "source": "iana"
+ },
+ "video/raw": {
+ "source": "iana"
+ },
+ "video/rtp-enc-aescm128": {
+ "source": "iana"
+ },
+ "video/rtploopback": {
+ "source": "iana"
+ },
+ "video/rtx": {
+ "source": "iana"
+ },
+ "video/smpte292m": {
+ "source": "iana"
+ },
+ "video/ulpfec": {
+ "source": "iana"
+ },
+ "video/vc1": {
+ "source": "iana"
+ },
+ "video/vnd.cctv": {
+ "source": "iana"
+ },
+ "video/vnd.dece.hd": {
+ "source": "iana",
+ "extensions": ["uvh","uvvh"]
+ },
+ "video/vnd.dece.mobile": {
+ "source": "iana",
+ "extensions": ["uvm","uvvm"]
+ },
+ "video/vnd.dece.mp4": {
+ "source": "iana"
+ },
+ "video/vnd.dece.pd": {
+ "source": "iana",
+ "extensions": ["uvp","uvvp"]
+ },
+ "video/vnd.dece.sd": {
+ "source": "iana",
+ "extensions": ["uvs","uvvs"]
+ },
+ "video/vnd.dece.video": {
+ "source": "iana",
+ "extensions": ["uvv","uvvv"]
+ },
+ "video/vnd.directv.mpeg": {
+ "source": "iana"
+ },
+ "video/vnd.directv.mpeg-tts": {
+ "source": "iana"
+ },
+ "video/vnd.dlna.mpeg-tts": {
+ "source": "iana"
+ },
+ "video/vnd.dvb.file": {
+ "source": "iana",
+ "extensions": ["dvb"]
+ },
+ "video/vnd.fvt": {
+ "source": "iana",
+ "extensions": ["fvt"]
+ },
+ "video/vnd.hns.video": {
+ "source": "iana"
+ },
+ "video/vnd.iptvforum.1dparityfec-1010": {
+ "source": "iana"
+ },
+ "video/vnd.iptvforum.1dparityfec-2005": {
+ "source": "iana"
+ },
+ "video/vnd.iptvforum.2dparityfec-1010": {
+ "source": "iana"
+ },
+ "video/vnd.iptvforum.2dparityfec-2005": {
+ "source": "iana"
+ },
+ "video/vnd.iptvforum.ttsavc": {
+ "source": "iana"
+ },
+ "video/vnd.iptvforum.ttsmpeg2": {
+ "source": "iana"
+ },
+ "video/vnd.motorola.video": {
+ "source": "iana"
+ },
+ "video/vnd.motorola.videop": {
+ "source": "iana"
+ },
+ "video/vnd.mpegurl": {
+ "source": "iana",
+ "extensions": ["mxu","m4u"]
+ },
+ "video/vnd.ms-playready.media.pyv": {
+ "source": "iana",
+ "extensions": ["pyv"]
+ },
+ "video/vnd.nokia.interleaved-multimedia": {
+ "source": "iana"
+ },
+ "video/vnd.nokia.videovoip": {
+ "source": "iana"
+ },
+ "video/vnd.objectvideo": {
+ "source": "iana"
+ },
+ "video/vnd.radgamettools.bink": {
+ "source": "iana"
+ },
+ "video/vnd.radgamettools.smacker": {
+ "source": "iana"
+ },
+ "video/vnd.sealed.mpeg1": {
+ "source": "iana"
+ },
+ "video/vnd.sealed.mpeg4": {
+ "source": "iana"
+ },
+ "video/vnd.sealed.swf": {
+ "source": "iana"
+ },
+ "video/vnd.sealedmedia.softseal.mov": {
+ "source": "iana"
+ },
+ "video/vnd.uvvu.mp4": {
+ "source": "iana",
+ "extensions": ["uvu","uvvu"]
+ },
+ "video/vnd.vivo": {
+ "source": "iana",
+ "extensions": ["viv"]
+ },
+ "video/vp8": {
+ "source": "iana"
+ },
+ "video/webm": {
+ "source": "apache",
+ "compressible": false,
+ "extensions": ["webm"]
+ },
+ "video/x-f4v": {
+ "source": "apache",
+ "extensions": ["f4v"]
+ },
+ "video/x-fli": {
+ "source": "apache",
+ "extensions": ["fli"]
+ },
+ "video/x-flv": {
+ "source": "apache",
+ "compressible": false,
+ "extensions": ["flv"]
+ },
+ "video/x-m4v": {
+ "source": "apache",
+ "extensions": ["m4v"]
+ },
+ "video/x-matroska": {
+ "source": "apache",
+ "compressible": false,
+ "extensions": ["mkv","mk3d","mks"]
+ },
+ "video/x-mng": {
+ "source": "apache",
+ "extensions": ["mng"]
+ },
+ "video/x-ms-asf": {
+ "source": "apache",
+ "extensions": ["asf","asx"]
+ },
+ "video/x-ms-vob": {
+ "source": "apache",
+ "extensions": ["vob"]
+ },
+ "video/x-ms-wm": {
+ "source": "apache",
+ "extensions": ["wm"]
+ },
+ "video/x-ms-wmv": {
+ "source": "apache",
+ "compressible": false,
+ "extensions": ["wmv"]
+ },
+ "video/x-ms-wmx": {
+ "source": "apache",
+ "extensions": ["wmx"]
+ },
+ "video/x-ms-wvx": {
+ "source": "apache",
+ "extensions": ["wvx"]
+ },
+ "video/x-msvideo": {
+ "source": "apache",
+ "extensions": ["avi"]
+ },
+ "video/x-sgi-movie": {
+ "source": "apache",
+ "extensions": ["movie"]
+ },
+ "video/x-smv": {
+ "source": "apache",
+ "extensions": ["smv"]
+ },
+ "x-conference/x-cooltalk": {
+ "source": "apache",
+ "extensions": ["ice"]
+ },
+ "x-shader/x-fragment": {
+ "compressible": true
+ },
+ "x-shader/x-vertex": {
+ "compressible": true
+ }
+}
+
+},{}],308:[function(require,module,exports){
+/*!
+ * mime-db
+ * Copyright(c) 2014 Jonathan Ong
+ * MIT Licensed
+ */
+
+/**
+ * Module exports.
+ */
+
+module.exports = require('./db.json')
+
+},{"./db.json":307}],309:[function(require,module,exports){
+/*!
+ * mime-types
+ * Copyright(c) 2014 Jonathan Ong
+ * Copyright(c) 2015 Douglas Christopher Wilson
+ * MIT Licensed
+ */
+
+'use strict'
+
+/**
+ * Module dependencies.
+ * @private
+ */
+
+var db = require('mime-db')
+var extname = require('path').extname
+
+/**
+ * Module variables.
+ * @private
+ */
+
+var EXTRACT_TYPE_REGEXP = /^\s*([^;\s]*)(?:;|\s|$)/
+var TEXT_TYPE_REGEXP = /^text\//i
+
+/**
+ * Module exports.
+ * @public
+ */
+
+exports.charset = charset
+exports.charsets = { lookup: charset }
+exports.contentType = contentType
+exports.extension = extension
+exports.extensions = Object.create(null)
+exports.lookup = lookup
+exports.types = Object.create(null)
+
+// Populate the extensions/types maps
+populateMaps(exports.extensions, exports.types)
+
+/**
+ * Get the default charset for a MIME type.
+ *
+ * @param {string} type
+ * @return {boolean|string}
+ */
+
+function charset (type) {
+ if (!type || typeof type !== 'string') {
+ return false
+ }
+
+ // TODO: use media-typer
+ var match = EXTRACT_TYPE_REGEXP.exec(type)
+ var mime = match && db[match[1].toLowerCase()]
+
+ if (mime && mime.charset) {
+ return mime.charset
+ }
+
+ // default text/* to utf-8
+ if (match && TEXT_TYPE_REGEXP.test(match[1])) {
+ return 'UTF-8'
+ }
+
+ return false
+}
+
+/**
+ * Create a full Content-Type header given a MIME type or extension.
+ *
+ * @param {string} str
+ * @return {boolean|string}
+ */
+
+function contentType (str) {
+ // TODO: should this even be in this module?
+ if (!str || typeof str !== 'string') {
+ return false
+ }
+
+ var mime = str.indexOf('/') === -1
+ ? exports.lookup(str)
+ : str
+
+ if (!mime) {
+ return false
+ }
+
+ // TODO: use content-type or other module
+ if (mime.indexOf('charset') === -1) {
+ var charset = exports.charset(mime)
+ if (charset) mime += '; charset=' + charset.toLowerCase()
+ }
+
+ return mime
+}
+
+/**
+ * Get the default extension for a MIME type.
+ *
+ * @param {string} type
+ * @return {boolean|string}
+ */
+
+function extension (type) {
+ if (!type || typeof type !== 'string') {
+ return false
+ }
+
+ // TODO: use media-typer
+ var match = EXTRACT_TYPE_REGEXP.exec(type)
+
+ // get extensions
+ var exts = match && exports.extensions[match[1].toLowerCase()]
+
+ if (!exts || !exts.length) {
+ return false
+ }
+
+ return exts[0]
+}
+
+/**
+ * Lookup the MIME type for a file path/extension.
+ *
+ * @param {string} path
+ * @return {boolean|string}
+ */
+
+function lookup (path) {
+ if (!path || typeof path !== 'string') {
+ return false
+ }
+
+ // get the extension ("ext" or ".ext" or full path)
+ var extension = extname('x.' + path)
+ .toLowerCase()
+ .substr(1)
+
+ if (!extension) {
+ return false
+ }
+
+ return exports.types[extension] || false
+}
+
+/**
+ * Populate the extensions and types maps.
+ * @private
+ */
+
+function populateMaps (extensions, types) {
+ // source preference (least -> most)
+ var preference = ['nginx', 'apache', undefined, 'iana']
+
+ Object.keys(db).forEach(function forEachMimeType (type) {
+ var mime = db[type]
+ var exts = mime.extensions
+
+ if (!exts || !exts.length) {
+ return
+ }
+
+ // mime -> extensions
+ extensions[type] = exts
+
+ // extension -> mime
+ for (var i = 0; i < exts.length; i++) {
+ var extension = exts[i]
+
+ if (types[extension]) {
+ var from = preference.indexOf(db[types[extension]].source)
+ var to = preference.indexOf(mime.source)
+
+ if (types[extension] !== 'application/octet-stream' &&
+ (from > to || (from === to && types[extension].substr(0, 12) === 'application/'))) {
+ // skip the remapping
+ continue
+ }
+ }
+
+ // set the extension -> mime
+ types[extension] = type
+ }
+ })
+}
+
+},{"mime-db":308,"path":334}],310:[function(require,module,exports){
+module.exports = assert;
+
+function assert(val, msg) {
+ if (!val)
+ throw new Error(msg || 'Assertion failed');
+}
+
+assert.equal = function assertEqual(l, r, msg) {
+ if (l != r)
+ throw new Error(msg || ('Assertion failed: ' + l + ' != ' + r));
+};
+
+},{}],311:[function(require,module,exports){
+'use strict';
+
+var utils = exports;
+
+function toArray(msg, enc) {
+ if (Array.isArray(msg))
+ return msg.slice();
+ if (!msg)
+ return [];
+ var res = [];
+ if (typeof msg !== 'string') {
+ for (var i = 0; i < msg.length; i++)
+ res[i] = msg[i] | 0;
+ return res;
+ }
+ if (enc === 'hex') {
+ msg = msg.replace(/[^a-z0-9]+/ig, '');
+ if (msg.length % 2 !== 0)
+ msg = '0' + msg;
+ for (var i = 0; i < msg.length; i += 2)
+ res.push(parseInt(msg[i] + msg[i + 1], 16));
+ } else {
+ for (var i = 0; i < msg.length; i++) {
+ var c = msg.charCodeAt(i);
+ var hi = c >> 8;
+ var lo = c & 0xff;
+ if (hi)
+ res.push(hi, lo);
+ else
+ res.push(lo);
+ }
+ }
+ return res;
+}
+utils.toArray = toArray;
+
+function zero2(word) {
+ if (word.length === 1)
+ return '0' + word;
+ else
+ return word;
+}
+utils.zero2 = zero2;
+
+function toHex(msg) {
+ var res = '';
+ for (var i = 0; i < msg.length; i++)
+ res += zero2(msg[i].toString(16));
+ return res;
+}
+utils.toHex = toHex;
+
+utils.encode = function encode(arr, enc) {
+ if (enc === 'hex')
+ return toHex(arr);
+ else
+ return arr;
+};
+
+},{}],312:[function(require,module,exports){
+/*
+ * Copyright (C) 2007-2017 Diego Perini
+ * All rights reserved.
+ *
+ * nwmatcher-noqsa.js - A fast CSS selector engine and matcher
+ *
+ * Author: Diego Perini
+ * Version: 1.4.3
+ * Created: 20070722
+ * Release: 20171011
+ *
+ * License:
+ * http://javascript.nwbox.com/NWMatcher/MIT-LICENSE
+ * Download:
+ * http://javascript.nwbox.com/NWMatcher/nwmatcher.js
+ */
+
+(function(global, factory) {
+
+ if (typeof module == 'object' && typeof exports == 'object') {
+ module.exports = factory;
+ } else if (typeof define === 'function' && define["amd"]) {
+ define(factory);
+ } else {
+ global.NW || (global.NW = { });
+ global.NW.Dom = factory(global);
+ }
+
+})(this, function(global) {
+
+ var version = 'nwmatcher-1.4.3',
+
+ doc = global.document,
+ root = doc.documentElement,
+
+ isSingleMatch,
+ isSingleSelect,
+
+ lastSlice,
+ lastContext,
+ lastPosition,
+
+ lastMatcher,
+ lastSelector,
+
+ lastPartsMatch,
+ lastPartsSelect,
+
+ prefixes = '(?:[#.:]|::)?',
+ operators = '([~*^$|!]?={1})',
+ whitespace = '[\\x20\\t\\n\\r\\f]',
+ combinators = '\\x20|[>+~](?=[^>+~])',
+ pseudoparms = '(?:[-+]?\\d*n)?[-+]?\\d*',
+ skip_groups = '\\[.*\\]|\\(.*\\)|\\{.*\\}',
+
+ any_esc_chr = '\\\\.',
+ alphalodash = '[_a-zA-Z]',
+ non_asc_chr = '[^\\x00-\\x9f]',
+ escaped_chr = '\\\\[^\\n\\r\\f0-9a-fA-F]',
+ unicode_chr = '\\\\[0-9a-fA-F]{1,6}(?:\\r\\n|' + whitespace + ')?',
+
+ quotedvalue = '"[^"\\\\]*(?:\\\\.[^"\\\\]*)*"' + "|'[^'\\\\]*(?:\\\\.[^'\\\\]*)*'",
+
+ reSplitGroup = /([^,\\()[\]]+|\[[^[\]]*\]|\[.*\]|\([^()]+\)|\(.*\)|\{[^{}]+\}|\{.*\}|\\.)+/g,
+
+ reTrimSpaces = RegExp('[\\n\\r\\f]|^' + whitespace + '+|' + whitespace + '+$', 'g'),
+
+ reEscapedChars = /\\([0-9a-fA-F]{1,6}[\x20\t\n\r\f]?|.)|([\x22\x27])/g,
+
+ standardValidator, extendedValidator, reValidator,
+
+ attrcheck, attributes, attrmatcher, pseudoclass,
+
+ reOptimizeSelector, reSimpleNot, reSplitToken,
+
+ Optimize, identifier, extensions = '.+',
+
+ Patterns = {
+ spseudos: /^\:(root|empty|(?:first|last|only)(?:-child|-of-type)|nth(?:-last)?(?:-child|-of-type)\(\s*(even|odd|(?:[-+]{0,1}\d*n\s*)?[-+]{0,1}\s*\d*)\s*\))?(.*)/i,
+ dpseudos: /^\:(link|visited|target|active|focus|hover|checked|disabled|enabled|selected|lang\(([-\w]{2,})\)|(?:matches|not)\(\s*(:nth(?:-last)?(?:-child|-of-type)\(\s*(?:even|odd|(?:[-+]{0,1}\d*n\s*)?[-+]{0,1}\s*\d*)\s*\)|[^()]*)\s*\))?(.*)/i,
+ epseudos: /^((?:[:]{1,2}(?:after|before|first-letter|first-line))|(?:[:]{2,2}(?:selection|backdrop|placeholder)))?(.*)/i,
+ children: RegExp('^' + whitespace + '*\\>' + whitespace + '*(.*)'),
+ adjacent: RegExp('^' + whitespace + '*\\+' + whitespace + '*(.*)'),
+ relative: RegExp('^' + whitespace + '*\\~' + whitespace + '*(.*)'),
+ ancestor: RegExp('^' + whitespace + '+(.*)'),
+ universal: RegExp('^\\*(.*)')
+ },
+
+ Tokens = {
+ prefixes: prefixes,
+ identifier: identifier,
+ attributes: attributes
+ },
+
+ QUIRKS_MODE,
+ XML_DOCUMENT,
+
+ GEBTN = 'getElementsByTagName' in doc,
+ GEBCN = 'getElementsByClassName' in doc,
+
+ IE_LT_9 = typeof doc.addEventListener != 'function',
+
+ LINK_NODES = { a: 1, A: 1, area: 1, AREA: 1, link: 1, LINK: 1 },
+
+ ATTR_BOOLEAN = {
+ checked: 1, disabled: 1, ismap: 1,
+ multiple: 1, readonly: 1, selected: 1
+ },
+
+ ATTR_DEFAULT = {
+ value: 'defaultValue',
+ checked: 'defaultChecked',
+ selected: 'defaultSelected'
+ },
+
+ ATTR_URIDATA = {
+ action: 2, cite: 2, codebase: 2, data: 2, href: 2,
+ longdesc: 2, lowsrc: 2, src: 2, usemap: 2
+ },
+
+ HTML_TABLE = {
+ 'accept': 1, 'accept-charset': 1, 'align': 1, 'alink': 1, 'axis': 1,
+ 'bgcolor': 1, 'charset': 1, 'checked': 1, 'clear': 1, 'codetype': 1, 'color': 1,
+ 'compact': 1, 'declare': 1, 'defer': 1, 'dir': 1, 'direction': 1, 'disabled': 1,
+ 'enctype': 1, 'face': 1, 'frame': 1, 'hreflang': 1, 'http-equiv': 1, 'lang': 1,
+ 'language': 1, 'link': 1, 'media': 1, 'method': 1, 'multiple': 1, 'nohref': 1,
+ 'noresize': 1, 'noshade': 1, 'nowrap': 1, 'readonly': 1, 'rel': 1, 'rev': 1,
+ 'rules': 1, 'scope': 1, 'scrolling': 1, 'selected': 1, 'shape': 1, 'target': 1,
+ 'text': 1, 'type': 1, 'valign': 1, 'valuetype': 1, 'vlink': 1
+ },
+
+ NATIVE_TRAVERSAL_API =
+ 'nextElementSibling' in root &&
+ 'previousElementSibling' in root,
+
+ Selectors = { },
+
+ Operators = {
+ '=': "n=='%m'",
+ '^=': "n.indexOf('%m')==0",
+ '*=': "n.indexOf('%m')>-1",
+ '|=': "(n+'-').indexOf('%m-')==0",
+ '~=': "(' '+n+' ').indexOf(' %m ')>-1",
+ '$=': "n.substr(n.length-'%m'.length)=='%m'"
+ },
+
+ concatCall =
+ function(data, elements, callback) {
+ var i = -1, element;
+ while ((element = elements[++i])) {
+ if (false === callback(data[data.length] = element)) { break; }
+ }
+ return data;
+ },
+
+ switchContext =
+ function(from, force) {
+ var oldDoc = doc;
+ lastContext = from;
+ doc = from.ownerDocument || from;
+ if (force || oldDoc !== doc) {
+ root = doc.documentElement;
+ XML_DOCUMENT = doc.createElement('DiV').nodeName == 'DiV';
+ QUIRKS_MODE = !XML_DOCUMENT &&
+ typeof doc.compatMode == 'string' ?
+ doc.compatMode.indexOf('CSS') < 0 :
+ (function() {
+ var style = doc.createElement('div').style;
+ return style && (style.width = 1) && style.width == '1px';
+ })();
+
+ Config.CACHING && Dom.setCache(true, doc);
+ }
+ },
+
+ codePointToUTF16 =
+ function(codePoint) {
+ if (codePoint < 1 || codePoint > 0x10ffff ||
+ (codePoint > 0xd7ff && codePoint < 0xe000)) {
+ return '\\ufffd';
+ }
+ if (codePoint < 0x10000) {
+ var lowHex = '000' + codePoint.toString(16);
+ return '\\u' + lowHex.substr(lowHex.length - 4);
+ }
+ return '\\u' + (((codePoint - 0x10000) >> 0x0a) + 0xd800).toString(16) +
+ '\\u' + (((codePoint - 0x10000) % 0x400) + 0xdc00).toString(16);
+ },
+
+ stringFromCodePoint =
+ function(codePoint) {
+ if (codePoint < 1 || codePoint > 0x10ffff ||
+ (codePoint > 0xd7ff && codePoint < 0xe000)) {
+ return '\ufffd';
+ }
+ if (codePoint < 0x10000) {
+ return String.fromCharCode(codePoint);
+ }
+ return String.fromCodePoint ?
+ String.fromCodePoint(codePoint) :
+ String.fromCharCode(
+ ((codePoint - 0x10000) >> 0x0a) + 0xd800,
+ ((codePoint - 0x10000) % 0x400) + 0xdc00);
+ },
+
+ convertEscapes =
+ function(str) {
+ return str.replace(reEscapedChars,
+ function(substring, p1, p2) {
+ return p2 ? '\\' + p2 :
+ /^[0-9a-fA-F]/.test(p1) ? codePointToUTF16(parseInt(p1, 16)) :
+ /^[\\\x22\x27]/.test(p1) ? substring :
+ p1;
+ }
+ );
+ },
+
+ unescapeIdentifier =
+ function(str) {
+ return str.replace(reEscapedChars,
+ function(substring, p1, p2) {
+ return p2 ? p2 :
+ /^[0-9a-fA-F]/.test(p1) ? stringFromCodePoint(parseInt(p1, 16)) :
+ /^[\\\x22\x27]/.test(p1) ? substring :
+ p1;
+ }
+ );
+ },
+
+ byIdRaw =
+ function(id, elements) {
+ var i = -1, element;
+ while ((element = elements[++i])) {
+ if (element.getAttribute('id') == id) {
+ break;
+ }
+ }
+ return element || null;
+ },
+
+ _byId = !IE_LT_9 ?
+ function(id, from) {
+ id = (/\\/).test(id) ? unescapeIdentifier(id) : id;
+ return from.getElementById && from.getElementById(id) ||
+ byIdRaw(id, from.getElementsByTagName('*'));
+ } :
+ function(id, from) {
+ var element = null;
+ id = (/\\/).test(id) ? unescapeIdentifier(id) : id;
+ if (XML_DOCUMENT || from.nodeType != 9) {
+ return byIdRaw(id, from.getElementsByTagName('*'));
+ }
+ if ((element = from.getElementById(id)) &&
+ element.name == id && from.getElementsByName) {
+ return byIdRaw(id, from.getElementsByName(id));
+ }
+ return element;
+ },
+
+ byId =
+ function(id, from) {
+ from || (from = doc);
+ if (lastContext !== from) { switchContext(from); }
+ return _byId(id, from);
+ },
+
+ byTagRaw =
+ function(tag, from) {
+ var any = tag == '*', element = from, elements = [ ], next = element.firstChild;
+ any || (tag = tag.toUpperCase());
+ while ((element = next)) {
+ if (element.tagName > '@' && (any || element.tagName.toUpperCase() == tag)) {
+ elements[elements.length] = element;
+ }
+ if ((next = element.firstChild || element.nextSibling)) continue;
+ while (!next && (element = element.parentNode) && element !== from) {
+ next = element.nextSibling;
+ }
+ }
+ return elements;
+ },
+
+ contains = 'compareDocumentPosition' in root ?
+ function(container, element) {
+ return (container.compareDocumentPosition(element) & 16) == 16;
+ } : 'contains' in root ?
+ function(container, element) {
+ return container !== element && container.contains(element);
+ } :
+ function(container, element) {
+ while ((element = element.parentNode)) {
+ if (element === container) return true;
+ }
+ return false;
+ },
+
+ getAttribute = !IE_LT_9 ?
+ function(node, attribute) {
+ return node.getAttribute(attribute);
+ } :
+ function(node, attribute) {
+ attribute = attribute.toLowerCase();
+ if (typeof node[attribute] == 'object') {
+ return node.attributes[attribute] &&
+ node.attributes[attribute].value;
+ }
+ return (
+ attribute == 'type' ? node.getAttribute(attribute) :
+ ATTR_URIDATA[attribute] ? node.getAttribute(attribute, 2) :
+ ATTR_BOOLEAN[attribute] ? node.getAttribute(attribute) ? attribute : 'false' :
+ (node = node.getAttributeNode(attribute)) && node.value);
+ },
+
+ hasAttribute = !IE_LT_9 && root.hasAttribute ?
+ function(node, attribute) {
+ return node.hasAttribute(attribute);
+ } :
+ function(node, attribute) {
+ var obj = node.getAttributeNode(attribute = attribute.toLowerCase());
+ return ATTR_DEFAULT[attribute] && attribute != 'value' ?
+ node[ATTR_DEFAULT[attribute]] : obj && obj.specified;
+ },
+
+ isEmpty =
+ function(node) {
+ node = node.firstChild;
+ while (node) {
+ if (node.nodeType == 3 || node.nodeName > '@') return false;
+ node = node.nextSibling;
+ }
+ return true;
+ },
+
+ isLink =
+ function(element) {
+ return hasAttribute(element, 'href') && LINK_NODES[element.nodeName];
+ },
+
+ nthElement =
+ function(element, last) {
+ var count = 1, succ = last ? 'nextSibling' : 'previousSibling';
+ while ((element = element[succ])) {
+ if (element.nodeName > '@') ++count;
+ }
+ return count;
+ },
+
+ nthOfType =
+ function(element, last) {
+ var count = 1, succ = last ? 'nextSibling' : 'previousSibling', type = element.nodeName;
+ while ((element = element[succ])) {
+ if (element.nodeName == type) ++count;
+ }
+ return count;
+ },
+
+ configure =
+ function(option) {
+ if (typeof option == 'string') { return !!Config[option]; }
+ if (typeof option != 'object') { return Config; }
+ for (var i in option) {
+ Config[i] = !!option[i];
+ if (i == 'SIMPLENOT') {
+ matchContexts = { };
+ matchResolvers = { };
+ selectContexts = { };
+ selectResolvers = { };
+ }
+ }
+ setIdentifierSyntax();
+ reValidator = RegExp(Config.SIMPLENOT ?
+ standardValidator : extendedValidator);
+ return true;
+ },
+
+ emit =
+ function(message) {
+ if (Config.VERBOSITY) { throw Error(message); }
+ if (Config.LOGERRORS && console && console.log) {
+ console.log(message);
+ }
+ },
+
+ Config = {
+ CACHING: false,
+ ESCAPECHR: true,
+ NON_ASCII: true,
+ SELECTOR3: true,
+ UNICODE16: true,
+ SHORTCUTS: false,
+ SIMPLENOT: true,
+ SVG_LCASE: false,
+ UNIQUE_ID: true,
+ USE_HTML5: true,
+ VERBOSITY: true,
+ LOGERRORS: true
+ },
+
+ initialize =
+ function(doc) {
+ setIdentifierSyntax();
+ switchContext(doc, true);
+ },
+
+ setIdentifierSyntax =
+ function() {
+
+ var syntax = '', start = Config['SELECTOR3'] ? '-{2}|' : '';
+
+ Config['NON_ASCII'] && (syntax += '|' + non_asc_chr);
+ Config['UNICODE16'] && (syntax += '|' + unicode_chr);
+ Config['ESCAPECHR'] && (syntax += '|' + escaped_chr);
+
+ syntax += (Config['UNICODE16'] || Config['ESCAPECHR']) ? '' : '|' + any_esc_chr;
+
+ identifier = '-?(?:' + start + alphalodash + syntax + ')(?:-|[0-9]|' + alphalodash + syntax + ')*';
+
+ attrcheck = '(' + quotedvalue + '|' + identifier + ')';
+ attributes = whitespace + '*(' + identifier + '(?::' + identifier + ')?)' +
+ whitespace + '*(?:' + operators + whitespace + '*' + attrcheck + ')?' + whitespace + '*' + '(i)?' + whitespace + '*';
+ attrmatcher = attributes.replace(attrcheck, '([\\x22\\x27]*)((?:\\\\?.)*?)\\3');
+
+ pseudoclass = '((?:' +
+ pseudoparms + '|' + quotedvalue + '|' +
+ prefixes + identifier + '|' +
+ '\\[' + attributes + '\\]|' +
+ '\\(.+\\)|' + whitespace + '*|' +
+ ',)+)';
+
+ standardValidator =
+ '(?=[\\x20\\t\\n\\r\\f]*[^>+~(){}<>])' +
+ '(' +
+ '\\*' +
+ '|(?:' + prefixes + identifier + ')' +
+ '|' + combinators +
+ '|\\[' + attributes + '\\]' +
+ '|\\(' + pseudoclass + '\\)' +
+ '|\\{' + extensions + '\\}' +
+ '|(?:,|' + whitespace + '*)' +
+ ')+';
+
+ reSimpleNot = RegExp('^(' +
+ '(?!:not)' +
+ '(' + prefixes + identifier +
+ '|\\([^()]*\\))+' +
+ '|\\[' + attributes + '\\]' +
+ ')$');
+
+ reSplitToken = RegExp('(' +
+ prefixes + identifier + '|' +
+ '\\[' + attributes + '\\]|' +
+ '\\(' + pseudoclass + '\\)|' +
+ '\\\\.|[^\\x20\\t\\n\\r\\f>+~])+', 'g');
+
+ reOptimizeSelector = RegExp(identifier + '|^$');
+
+ Optimize = {
+ ID: RegExp('^\\*?#(' + identifier + ')|' + skip_groups),
+ TAG: RegExp('^(' + identifier + ')|' + skip_groups),
+ CLASS: RegExp('^\\.(' + identifier + '$)|' + skip_groups)
+ };
+
+ Patterns.id = RegExp('^#(' + identifier + ')(.*)');
+ Patterns.tagName = RegExp('^(' + identifier + ')(.*)');
+ Patterns.className = RegExp('^\\.(' + identifier + ')(.*)');
+ Patterns.attribute = RegExp('^\\[' + attrmatcher + '\\](.*)');
+
+ Tokens.identifier = identifier;
+ Tokens.attributes = attributes;
+
+ extendedValidator = standardValidator.replace(pseudoclass, '.*');
+
+ reValidator = RegExp(standardValidator);
+ },
+
+ ACCEPT_NODE = 'r[r.length]=c[k];if(f&&false===f(c[k]))break main;else continue main;',
+ REJECT_NODE = IE_LT_9 ? 'if(e.nodeName<"A")continue;' : '',
+ TO_UPPER_CASE = IE_LT_9 ? '.toUpperCase()' : '',
+
+ compile =
+ function(selector, source, mode) {
+
+ var parts = typeof selector == 'string' ? selector.match(reSplitGroup) : selector;
+
+ typeof source == 'string' || (source = '');
+
+ if (parts.length == 1) {
+ source += compileSelector(parts[0], mode ? ACCEPT_NODE : 'f&&f(k);return true;', mode);
+ } else {
+ var i = -1, seen = { }, token;
+ while ((token = parts[++i])) {
+ token = token.replace(reTrimSpaces, '');
+ if (!seen[token] && (seen[token] = true)) {
+ source += compileSelector(token, mode ? ACCEPT_NODE : 'f&&f(k);return true;', mode);
+ }
+ }
+ }
+
+ if (mode) {
+ return Function('c,s,d,h,g,f',
+ 'var N,n,x=0,k=-1,e,r=[];main:while((e=c[++k])){' + source + '}return r;');
+ } else {
+ return Function('e,s,d,h,g,f',
+ 'var N,n,x=0,k=e;' + source + 'return false;');
+ }
+ },
+
+ compileSelector =
+ function(selector, source, mode) {
+
+ var a, b, n, k = 0, expr, match, result, status, test, type;
+
+ while (selector) {
+
+ k++;
+
+ if ((match = selector.match(Patterns.universal))) {
+ expr = '';
+ }
+
+ else if ((match = selector.match(Patterns.id))) {
+ match[1] = (/\\/).test(match[1]) ? convertEscapes(match[1]) : match[1];
+ source = 'if(' + (XML_DOCUMENT ?
+ 's.getAttribute(e,"id")' :
+ '(e.submit?s.getAttribute(e,"id"):e.id)') +
+ '=="' + match[1] + '"' +
+ '){' + source + '}';
+ }
+
+ else if ((match = selector.match(Patterns.tagName))) {
+ test = Config.SVG_LCASE ? '||e.nodeName=="' + match[1].toLowerCase() + '"' : '';
+ source = 'if(e.nodeName' + (XML_DOCUMENT ?
+ '=="' + match[1] + '"' : TO_UPPER_CASE +
+ '=="' + match[1].toUpperCase() + '"' + test) +
+ '){' + source + '}';
+ }
+
+ else if ((match = selector.match(Patterns.className))) {
+ match[1] = (/\\/).test(match[1]) ? convertEscapes(match[1]) : match[1];
+ match[1] = QUIRKS_MODE ? match[1].toLowerCase() : match[1];
+ source = 'if((n=' + (XML_DOCUMENT ?
+ 'e.getAttribute("class")' : 'e.className') +
+ ')&&n.length&&(" "+' + (QUIRKS_MODE ? 'n.toLowerCase()' : 'n') +
+ '.replace(/' + whitespace + '+/g," ")+" ").indexOf(" ' + match[1] + ' ")>-1' +
+ '){' + source + '}';
+ }
+
+ else if ((match = selector.match(Patterns.attribute))) {
+ expr = match[1].split(':');
+ expr = expr.length == 2 ? expr[1] : expr[0] + '';
+
+ if (match[2] && !Operators[match[2]]) {
+ emit('Unsupported operator in attribute selectors "' + selector + '"');
+ return '';
+ }
+ test = 'false';
+ if (match[2] && match[4] && (test = Operators[match[2]])) {
+ match[4] = (/\\/).test(match[4]) ? convertEscapes(match[4]) : match[4];
+ type = match[5] == 'i' || HTML_TABLE[expr.toLowerCase()];
+ test = test.replace(/\%m/g, type ? match[4].toLowerCase() : match[4]);
+ } else if (match[2] == '!=' || match[2] == '=') {
+ test = 'n' + match[2] + '=""';
+ }
+ source = 'if(n=s.hasAttribute(e,"' + match[1] + '")){' +
+ (match[2] ? 'n=s.getAttribute(e,"' + match[1] + '")' : '') +
+ (type && match[2] ? '.toLowerCase();' : ';') +
+ 'if(' + (match[2] ? test : 'n') + '){' + source + '}}';
+ }
+
+ else if ((match = selector.match(Patterns.adjacent))) {
+ source = NATIVE_TRAVERSAL_API ?
+ 'var N' + k + '=e;if((e=e.previousElementSibling)){' + source + '}e=N' + k + ';' :
+ 'var N' + k + '=e;while((e=e.previousSibling)){if(e.nodeType==1){' + source + 'break;}}e=N' + k + ';';
+ }
+
+ else if ((match = selector.match(Patterns.relative))) {
+ source = NATIVE_TRAVERSAL_API ?
+ 'var N' + k + '=e;while((e=e.previousElementSibling)){' + source + '}e=N' + k + ';' :
+ 'var N' + k + '=e;while((e=e.previousSibling)){if(e.nodeType==1){' + source + '}}e=N' + k + ';';
+ }
+
+ else if ((match = selector.match(Patterns.children))) {
+ source = 'var N' + k + '=e;if((e=e.parentNode)&&e.nodeType==1){' + source + '}e=N' + k + ';';
+ }
+
+ else if ((match = selector.match(Patterns.ancestor))) {
+ source = 'var N' + k + '=e;while((e=e.parentNode)&&e.nodeType==1){' + source + '}e=N' + k + ';';
+ }
+
+ else if ((match = selector.match(Patterns.spseudos)) && match[1]) {
+ switch (match[1]) {
+ case 'root':
+ if (match[3]) {
+ source = 'if(e===h||s.contains(h,e)){' + source + '}';
+ } else {
+ source = 'if(e===h){' + source + '}';
+ }
+ break;
+ case 'empty':
+ source = 'if(s.isEmpty(e)){' + source + '}';
+ break;
+ default:
+ if (match[1] && match[2]) {
+ if (match[2] == 'n') {
+ source = 'if(e!==h){' + source + '}';
+ break;
+ } else if (match[2] == 'even') {
+ a = 2;
+ b = 0;
+ } else if (match[2] == 'odd') {
+ a = 2;
+ b = 1;
+ } else {
+ b = ((n = match[2].match(/(-?\d+)$/)) ? parseInt(n[1], 10) : 0);
+ a = ((n = match[2].match(/(-?\d*)n/i)) ? parseInt(n[1], 10) : 0);
+ if (n && n[1] == '-') a = -1;
+ }
+ test = a > 1 ?
+ (/last/i.test(match[1])) ? '(n-(' + b + '))%' + a + '==0' :
+ 'n>=' + b + '&&(n-(' + b + '))%' + a + '==0' : a < -1 ?
+ (/last/i.test(match[1])) ? '(n-(' + b + '))%' + a + '==0' :
+ 'n<=' + b + '&&(n-(' + b + '))%' + a + '==0' : a === 0 ?
+ 'n==' + b : a == -1 ? 'n<=' + b : 'n>=' + b;
+ source =
+ 'if(e!==h){' +
+ 'n=s[' + (/-of-type/i.test(match[1]) ? '"nthOfType"' : '"nthElement"') + ']' +
+ '(e,' + (/last/i.test(match[1]) ? 'true' : 'false') + ');' +
+ 'if(' + test + '){' + source + '}' +
+ '}';
+ } else {
+ a = /first/i.test(match[1]) ? 'previous' : 'next';
+ n = /only/i.test(match[1]) ? 'previous' : 'next';
+ b = /first|last/i.test(match[1]);
+ type = /-of-type/i.test(match[1]) ? '&&n.nodeName!=e.nodeName' : '&&n.nodeName<"@"';
+ source = 'if(e!==h){' +
+ ( 'n=e;while((n=n.' + a + 'Sibling)' + type + ');if(!n){' + (b ? source :
+ 'n=e;while((n=n.' + n + 'Sibling)' + type + ');if(!n){' + source + '}') + '}' ) + '}';
+ }
+ break;
+ }
+ }
+
+ else if ((match = selector.match(Patterns.dpseudos)) && match[1]) {
+ switch (match[1].match(/^\w+/)[0]) {
+ case 'matches':
+ expr = match[3].replace(reTrimSpaces, '');
+ source = 'if(s.match(e, "' + expr.replace(/\x22/g, '\\"') + '",g)){' + source +'}';
+ break;
+
+ case 'not':
+ expr = match[3].replace(reTrimSpaces, '');
+ if (Config.SIMPLENOT && !reSimpleNot.test(expr)) {
+ emit('Negation pseudo-class only accepts simple selectors "' + selector + '"');
+ return '';
+ } else {
+ if ('compatMode' in doc) {
+ source = 'if(!' + compile(expr, '', false) + '(e,s,d,h,g)){' + source + '}';
+ } else {
+ source = 'if(!s.match(e, "' + expr.replace(/\x22/g, '\\"') + '",g)){' + source +'}';
+ }
+ }
+ break;
+ case 'checked':
+ source = 'if((typeof e.form!=="undefined"&&(/^(?:radio|checkbox)$/i).test(e.type)&&e.checked)' +
+ (Config.USE_HTML5 ? '||(/^option$/i.test(e.nodeName)&&(e.selected||e.checked))' : '') +
+ '){' + source + '}';
+ break;
+ case 'disabled':
+ source = 'if(((typeof e.form!=="undefined"' +
+ (Config.USE_HTML5 ? '' : '&&!(/^hidden$/i).test(e.type)') +
+ ')||s.isLink(e))&&e.disabled===true){' + source + '}';
+ break;
+ case 'enabled':
+ source = 'if(((typeof e.form!=="undefined"' +
+ (Config.USE_HTML5 ? '' : '&&!(/^hidden$/i).test(e.type)') +
+ ')||s.isLink(e))&&e.disabled===false){' + source + '}';
+ break;
+ case 'lang':
+ test = '';
+ if (match[2]) test = match[2].substr(0, 2) + '-';
+ source = 'do{(n=e.lang||"").toLowerCase();' +
+ 'if((n==""&&h.lang=="' + match[2].toLowerCase() + '")||' +
+ '(n&&(n=="' + match[2].toLowerCase() +
+ '"||n.substr(0,3)=="' + test.toLowerCase() + '")))' +
+ '{' + source + 'break;}}while((e=e.parentNode)&&e!==g);';
+ break;
+ case 'target':
+ source = 'if(e.id==d.location.hash.slice(1)){' + source + '}';
+ break;
+ case 'link':
+ source = 'if(s.isLink(e)&&!e.visited){' + source + '}';
+ break;
+ case 'visited':
+ source = 'if(s.isLink(e)&&e.visited){' + source + '}';
+ break;
+ case 'active':
+ source = 'if(e===d.activeElement){' + source + '}';
+ break;
+ case 'hover':
+ source = 'if(e===d.hoverElement){' + source + '}';
+ break;
+ case 'focus':
+ source = 'hasFocus' in doc ?
+ 'if(e===d.activeElement&&d.hasFocus()&&(e.type||e.href||typeof e.tabIndex=="number")){' + source + '}' :
+ 'if(e===d.activeElement&&(e.type||e.href)){' + source + '}';
+ break;
+ case 'selected':
+ source = 'if(/^option$/i.test(e.nodeName)&&(e.selected||e.checked)){' + source + '}';
+ break;
+ default:
+ break;
+ }
+ }
+
+ else if ((match = selector.match(Patterns.epseudos)) && match[1]) {
+ source = 'if(!(/1|11/).test(e.nodeType)){' + source + '}';
+ }
+
+ else {
+
+ expr = false;
+ status = false;
+ for (expr in Selectors) {
+ if ((match = selector.match(Selectors[expr].Expression)) && match[1]) {
+ result = Selectors[expr].Callback(match, source);
+ if ('match' in result) { match = result.match; }
+ source = result.source;
+ status = result.status;
+ if (status) { break; }
+ }
+ }
+
+ if (!status) {
+ emit('Unknown pseudo-class selector "' + selector + '"');
+ return '';
+ }
+
+ if (!expr) {
+ emit('Unknown token in selector "' + selector + '"');
+ return '';
+ }
+
+ }
+
+ if (!match) {
+ emit('Invalid syntax in selector "' + selector + '"');
+ return '';
+ }
+
+ selector = match && match[match.length - 1];
+ }
+
+ return source;
+ },
+
+ match =
+ function(element, selector, from, callback) {
+
+ var parts;
+
+ if (!(element && element.nodeType == 1)) {
+ emit('Invalid element argument');
+ return false;
+ } else if (typeof selector != 'string') {
+ emit('Invalid selector argument');
+ return false;
+ } else if (lastContext !== from) {
+ switchContext(from || (from = element.ownerDocument));
+ }
+
+ selector = selector.
+ replace(reTrimSpaces, '').
+ replace(/\x00|\\$/g, '\ufffd');
+
+ Config.SHORTCUTS && (selector = Dom.shortcuts(selector, element, from));
+
+ if (lastMatcher != selector) {
+ if ((parts = selector.match(reValidator)) && parts[0] == selector) {
+ isSingleMatch = (parts = selector.match(reSplitGroup)).length < 2;
+ lastMatcher = selector;
+ lastPartsMatch = parts;
+ } else {
+ emit('The string "' + selector + '", is not a valid CSS selector');
+ return false;
+ }
+ } else parts = lastPartsMatch;
+
+ if (!matchResolvers[selector] || matchContexts[selector] !== from) {
+ matchResolvers[selector] = compile(isSingleMatch ? [selector] : parts, '', false);
+ matchContexts[selector] = from;
+ }
+
+ return matchResolvers[selector](element, Snapshot, doc, root, from, callback);
+ },
+
+ first =
+ function(selector, from) {
+ return select(selector, from, function() { return false; })[0] || null;
+ },
+
+ select =
+ function(selector, from, callback) {
+
+ var i, changed, element, elements, parts, token, original = selector;
+
+ if (arguments.length === 0) {
+ emit('Not enough arguments');
+ return [ ];
+ } else if (typeof selector != 'string') {
+ return [ ];
+ } else if (from && !(/1|9|11/).test(from.nodeType)) {
+ emit('Invalid or illegal context element');
+ return [ ];
+ } else if (lastContext !== from) {
+ switchContext(from || (from = doc));
+ }
+
+ if (Config.CACHING && (elements = Dom.loadResults(original, from, doc, root))) {
+ return callback ? concatCall([ ], elements, callback) : elements;
+ }
+
+ selector = selector.
+ replace(reTrimSpaces, '').
+ replace(/\x00|\\$/g, '\ufffd');
+
+ Config.SHORTCUTS && (selector = Dom.shortcuts(selector, from));
+
+ if ((changed = lastSelector != selector)) {
+ if ((parts = selector.match(reValidator)) && parts[0] == selector) {
+ isSingleSelect = (parts = selector.match(reSplitGroup)).length < 2;
+ lastSelector = selector;
+ lastPartsSelect = parts;
+ } else {
+ emit('The string "' + selector + '", is not a valid CSS selector');
+ return [ ];
+ }
+ } else parts = lastPartsSelect;
+
+ if (from.nodeType == 11) {
+
+ elements = byTagRaw('*', from);
+
+ } else if (isSingleSelect) {
+
+ if (changed) {
+ parts = selector.match(reSplitToken);
+ token = parts[parts.length - 1];
+ lastSlice = token.split(':not');
+ lastSlice = lastSlice[lastSlice.length - 1];
+ lastPosition = selector.length - token.length;
+ }
+
+ if (Config.UNIQUE_ID && lastSlice && (parts = lastSlice.match(Optimize.ID)) && (token = parts[1])) {
+ if ((element = _byId(token, from))) {
+ if (match(element, selector)) {
+ callback && callback(element);
+ elements = [element];
+ } else elements = [ ];
+ }
+ }
+
+ else if (Config.UNIQUE_ID && (parts = selector.match(Optimize.ID)) && (token = parts[1])) {
+ if ((element = _byId(token, doc))) {
+ if ('#' + token == selector) {
+ callback && callback(element);
+ elements = [element];
+ } else if (/[>+~]/.test(selector)) {
+ from = element.parentNode;
+ } else {
+ from = element;
+ }
+ } else elements = [ ];
+ }
+
+ if (elements) {
+ Config.CACHING && Dom.saveResults(original, from, doc, elements);
+ return elements;
+ }
+
+ if (!XML_DOCUMENT && GEBTN && lastSlice && (parts = lastSlice.match(Optimize.TAG)) && (token = parts[1])) {
+ if ((elements = from.getElementsByTagName(token)).length === 0) { return [ ]; }
+ selector = selector.slice(0, lastPosition) + selector.slice(lastPosition).replace(token, '*');
+ }
+
+ else if (!XML_DOCUMENT && GEBCN && lastSlice && (parts = lastSlice.match(Optimize.CLASS)) && (token = parts[1])) {
+ if ((elements = from.getElementsByClassName(unescapeIdentifier(token))).length === 0) { return [ ]; }
+ selector = selector.slice(0, lastPosition) + selector.slice(lastPosition).replace('.' + token,
+ reOptimizeSelector.test(selector.charAt(selector.indexOf(token) - 1)) ? '' : '*');
+ }
+
+ }
+
+ if (!elements) {
+ if (IE_LT_9) {
+ elements = /^(?:applet|object)$/i.test(from.nodeName) ? from.children : byTagRaw('*', from);
+ } else {
+ elements = from.getElementsByTagName('*');
+ }
+ }
+
+ if (!selectResolvers[selector] || selectContexts[selector] !== from) {
+ selectResolvers[selector] = compile(isSingleSelect ? [selector] : parts, REJECT_NODE, true);
+ selectContexts[selector] = from;
+ }
+
+ elements = selectResolvers[selector](elements, Snapshot, doc, root, from, callback);
+
+ Config.CACHING && Dom.saveResults(original, from, doc, elements);
+
+ return elements;
+ },
+
+ FN = function(x) { return x; },
+
+ matchContexts = { },
+ matchResolvers = { },
+
+ selectContexts = { },
+ selectResolvers = { },
+
+ Snapshot = {
+ byId: _byId,
+ match: match,
+ select: select,
+ isLink: isLink,
+ isEmpty: isEmpty,
+ contains: contains,
+ nthOfType: nthOfType,
+ nthElement: nthElement,
+ getAttribute: getAttribute,
+ hasAttribute: hasAttribute
+ },
+
+ Dom = {
+
+ ACCEPT_NODE: ACCEPT_NODE,
+
+ byId: byId,
+ match: match,
+ first: first,
+ select: select,
+ compile: compile,
+ contains: contains,
+ configure: configure,
+ getAttribute: getAttribute,
+ hasAttribute: hasAttribute,
+
+ setCache: FN,
+ shortcuts: FN,
+ loadResults: FN,
+ saveResults: FN,
+
+ emit: emit,
+ Config: Config,
+ Snapshot: Snapshot,
+
+ Operators: Operators,
+ Selectors: Selectors,
+
+ Tokens: Tokens,
+ Version: version,
+
+ registerOperator:
+ function(symbol, resolver) {
+ Operators[symbol] || (Operators[symbol] = resolver);
+ },
+
+ registerSelector:
+ function(name, rexp, func) {
+ Selectors[name] || (Selectors[name] = {
+ Expression: rexp,
+ Callback: func
+ });
+ }
+
+ };
+
+ initialize(doc);
+
+ return Dom;
+});
+
+},{}],313:[function(require,module,exports){
+var crypto = require('crypto')
+ , qs = require('querystring')
+ ;
+
+function sha1 (key, body) {
+ return crypto.createHmac('sha1', key).update(body).digest('base64')
+}
+
+function rsa (key, body) {
+ return crypto.createSign("RSA-SHA1").update(body).sign(key, 'base64');
+}
+
+function rfc3986 (str) {
+ return encodeURIComponent(str)
+ .replace(/!/g,'%21')
+ .replace(/\*/g,'%2A')
+ .replace(/\(/g,'%28')
+ .replace(/\)/g,'%29')
+ .replace(/'/g,'%27')
+ ;
+}
+
+// Maps object to bi-dimensional array
+// Converts { foo: 'A', bar: [ 'b', 'B' ]} to
+// [ ['foo', 'A'], ['bar', 'b'], ['bar', 'B'] ]
+function map (obj) {
+ var key, val, arr = []
+ for (key in obj) {
+ val = obj[key]
+ if (Array.isArray(val))
+ for (var i = 0; i < val.length; i++)
+ arr.push([key, val[i]])
+ else if (typeof val === "object")
+ for (var prop in val)
+ arr.push([key + '[' + prop + ']', val[prop]]);
+ else
+ arr.push([key, val])
+ }
+ return arr
+}
+
+// Compare function for sort
+function compare (a, b) {
+ return a > b ? 1 : a < b ? -1 : 0
+}
+
+function generateBase (httpMethod, base_uri, params) {
+ // adapted from https://dev.twitter.com/docs/auth/oauth and
+ // https://dev.twitter.com/docs/auth/creating-signature
+
+ // Parameter normalization
+ // http://tools.ietf.org/html/rfc5849#section-3.4.1.3.2
+ var normalized = map(params)
+ // 1. First, the name and value of each parameter are encoded
+ .map(function (p) {
+ return [ rfc3986(p[0]), rfc3986(p[1] || '') ]
+ })
+ // 2. The parameters are sorted by name, using ascending byte value
+ // ordering. If two or more parameters share the same name, they
+ // are sorted by their value.
+ .sort(function (a, b) {
+ return compare(a[0], b[0]) || compare(a[1], b[1])
+ })
+ // 3. The name of each parameter is concatenated to its corresponding
+ // value using an "=" character (ASCII code 61) as a separator, even
+ // if the value is empty.
+ .map(function (p) { return p.join('=') })
+ // 4. The sorted name/value pairs are concatenated together into a
+ // single string by using an "&" character (ASCII code 38) as
+ // separator.
+ .join('&')
+
+ var base = [
+ rfc3986(httpMethod ? httpMethod.toUpperCase() : 'GET'),
+ rfc3986(base_uri),
+ rfc3986(normalized)
+ ].join('&')
+
+ return base
+}
+
+function hmacsign (httpMethod, base_uri, params, consumer_secret, token_secret) {
+ var base = generateBase(httpMethod, base_uri, params)
+ var key = [
+ consumer_secret || '',
+ token_secret || ''
+ ].map(rfc3986).join('&')
+
+ return sha1(key, base)
+}
+
+function rsasign (httpMethod, base_uri, params, private_key, token_secret) {
+ var base = generateBase(httpMethod, base_uri, params)
+ var key = private_key || ''
+
+ return rsa(key, base)
+}
+
+function plaintext (consumer_secret, token_secret) {
+ var key = [
+ consumer_secret || '',
+ token_secret || ''
+ ].map(rfc3986).join('&')
+
+ return key
+}
+
+function sign (signMethod, httpMethod, base_uri, params, consumer_secret, token_secret) {
+ var method
+ var skipArgs = 1
+
+ switch (signMethod) {
+ case 'RSA-SHA1':
+ method = rsasign
+ break
+ case 'HMAC-SHA1':
+ method = hmacsign
+ break
+ case 'PLAINTEXT':
+ method = plaintext
+ skipArgs = 4
+ break
+ default:
+ throw new Error("Signature method not supported: " + signMethod)
+ }
+
+ return method.apply(null, [].slice.call(arguments, skipArgs))
+}
+
+exports.hmacsign = hmacsign
+exports.rsasign = rsasign
+exports.plaintext = plaintext
+exports.sign = sign
+exports.rfc3986 = rfc3986
+exports.generateBase = generateBase
+
+
+},{"crypto":122,"querystring":360}],314:[function(require,module,exports){
+var hasMap = typeof Map === 'function' && Map.prototype;
+var mapSizeDescriptor = Object.getOwnPropertyDescriptor && hasMap ? Object.getOwnPropertyDescriptor(Map.prototype, 'size') : null;
+var mapSize = hasMap && mapSizeDescriptor && typeof mapSizeDescriptor.get === 'function' ? mapSizeDescriptor.get : null;
+var mapForEach = hasMap && Map.prototype.forEach;
+var hasSet = typeof Set === 'function' && Set.prototype;
+var setSizeDescriptor = Object.getOwnPropertyDescriptor && hasSet ? Object.getOwnPropertyDescriptor(Set.prototype, 'size') : null;
+var setSize = hasSet && setSizeDescriptor && typeof setSizeDescriptor.get === 'function' ? setSizeDescriptor.get : null;
+var setForEach = hasSet && Set.prototype.forEach;
+var booleanValueOf = Boolean.prototype.valueOf;
+var objectToString = Object.prototype.toString;
+
+module.exports = function inspect_ (obj, opts, depth, seen) {
+ if (typeof obj === 'undefined') {
+ return 'undefined';
+ }
+ if (obj === null) {
+ return 'null';
+ }
+ if (typeof obj === 'boolean') {
+ return obj ? 'true' : 'false';
+ }
+ if (typeof obj === 'string') {
+ return inspectString(obj);
+ }
+ if (typeof obj === 'number') {
+ if (obj === 0) {
+ return Infinity / obj > 0 ? '0' : '-0';
+ }
+ return String(obj);
+ }
+
+ if (!opts) opts = {};
+
+ var maxDepth = typeof opts.depth === 'undefined' ? 5 : opts.depth;
+ if (typeof depth === 'undefined') depth = 0;
+ if (depth >= maxDepth && maxDepth > 0 && typeof obj === 'object') {
+ return '[Object]';
+ }
+
+ if (typeof seen === 'undefined') seen = [];
+ else if (indexOf(seen, obj) >= 0) {
+ return '[Circular]';
+ }
+
+ function inspect (value, from) {
+ if (from) {
+ seen = seen.slice();
+ seen.push(from);
+ }
+ return inspect_(value, opts, depth + 1, seen);
+ }
+
+ if (typeof obj === 'function') {
+ var name = nameOf(obj);
+ return '[Function' + (name ? ': ' + name : '') + ']';
+ }
+ if (isSymbol(obj)) {
+ var symString = Symbol.prototype.toString.call(obj);
+ return typeof obj === 'object' ? markBoxed(symString) : symString;
+ }
+ if (isElement(obj)) {
+ var s = '<' + String(obj.nodeName).toLowerCase();
+ var attrs = obj.attributes || [];
+ for (var i = 0; i < attrs.length; i++) {
+ s += ' ' + attrs[i].name + '="' + quote(attrs[i].value) + '"';
+ }
+ s += '>';
+ if (obj.childNodes && obj.childNodes.length) s += '...';
+ s += '' + String(obj.nodeName).toLowerCase() + '>';
+ return s;
+ }
+ if (isArray(obj)) {
+ if (obj.length === 0) return '[]';
+ return '[ ' + arrObjKeys(obj, inspect).join(', ') + ' ]';
+ }
+ if (isError(obj)) {
+ var parts = arrObjKeys(obj, inspect);
+ if (parts.length === 0) return '[' + String(obj) + ']';
+ return '{ [' + String(obj) + '] ' + parts.join(', ') + ' }';
+ }
+ if (typeof obj === 'object' && typeof obj.inspect === 'function') {
+ return obj.inspect();
+ }
+ if (isMap(obj)) {
+ var parts = [];
+ mapForEach.call(obj, function (value, key) {
+ parts.push(inspect(key, obj) + ' => ' + inspect(value, obj));
+ });
+ return collectionOf('Map', mapSize.call(obj), parts);
+ }
+ if (isSet(obj)) {
+ var parts = [];
+ setForEach.call(obj, function (value ) {
+ parts.push(inspect(value, obj));
+ });
+ return collectionOf('Set', setSize.call(obj), parts);
+ }
+ if (isNumber(obj)) {
+ return markBoxed(Number(obj));
+ }
+ if (isBoolean(obj)) {
+ return markBoxed(booleanValueOf.call(obj));
+ }
+ if (isString(obj)) {
+ return markBoxed(inspect(String(obj)));
+ }
+ if (!isDate(obj) && !isRegExp(obj)) {
+ var xs = arrObjKeys(obj, inspect);
+ if (xs.length === 0) return '{}';
+ return '{ ' + xs.join(', ') + ' }';
+ }
+ return String(obj);
+};
+
+function quote (s) {
+ return String(s).replace(/"/g, '"');
+}
+
+function isArray (obj) { return toStr(obj) === '[object Array]' }
+function isDate (obj) { return toStr(obj) === '[object Date]' }
+function isRegExp (obj) { return toStr(obj) === '[object RegExp]' }
+function isError (obj) { return toStr(obj) === '[object Error]' }
+function isSymbol (obj) { return toStr(obj) === '[object Symbol]' }
+function isString (obj) { return toStr(obj) === '[object String]' }
+function isNumber (obj) { return toStr(obj) === '[object Number]' }
+function isBoolean (obj) { return toStr(obj) === '[object Boolean]' }
+
+var hasOwn = Object.prototype.hasOwnProperty || function (key) { return key in this; };
+function has (obj, key) {
+ return hasOwn.call(obj, key);
+}
+
+function toStr (obj) {
+ return objectToString.call(obj);
+}
+
+function nameOf (f) {
+ if (f.name) return f.name;
+ var m = String(f).match(/^function\s*([\w$]+)/);
+ if (m) return m[1];
+}
+
+function indexOf (xs, x) {
+ if (xs.indexOf) return xs.indexOf(x);
+ for (var i = 0, l = xs.length; i < l; i++) {
+ if (xs[i] === x) return i;
+ }
+ return -1;
+}
+
+function isMap (x) {
+ if (!mapSize) {
+ return false;
+ }
+ try {
+ mapSize.call(x);
+ try {
+ setSize.call(x);
+ } catch (s) {
+ return true;
+ }
+ return x instanceof Map; // core-js workaround, pre-v2.5.0
+ } catch (e) {}
+ return false;
+}
+
+function isSet (x) {
+ if (!setSize) {
+ return false;
+ }
+ try {
+ setSize.call(x);
+ try {
+ mapSize.call(x);
+ } catch (m) {
+ return true;
+ }
+ return x instanceof Set; // core-js workaround, pre-v2.5.0
+ } catch (e) {}
+ return false;
+}
+
+function isElement (x) {
+ if (!x || typeof x !== 'object') return false;
+ if (typeof HTMLElement !== 'undefined' && x instanceof HTMLElement) {
+ return true;
+ }
+ return typeof x.nodeName === 'string'
+ && typeof x.getAttribute === 'function'
+ ;
+}
+
+function inspectString (str) {
+ var s = str.replace(/(['\\])/g, '\\$1').replace(/[\x00-\x1f]/g, lowbyte);
+ return "'" + s + "'";
+}
+
+function lowbyte (c) {
+ var n = c.charCodeAt(0);
+ var x = { 8: 'b', 9: 't', 10: 'n', 12: 'f', 13: 'r' }[n];
+ if (x) return '\\' + x;
+ return '\\x' + (n < 0x10 ? '0' : '') + n.toString(16);
+}
+
+function markBoxed (str) {
+ return 'Object(' + str + ')';
+}
+
+function collectionOf (type, size, entries) {
+ return type + ' (' + size + ') {' + entries.join(', ') + '}';
+}
+
+function arrObjKeys (obj, inspect) {
+ var isArr = isArray(obj);
+ var xs = [];
+ if (isArr) {
+ xs.length = obj.length;
+ for (var i = 0; i < obj.length; i++) {
+ xs[i] = has(obj, i) ? inspect(obj[i], obj) : '';
+ }
+ }
+ for (var key in obj) {
+ if (!has(obj, key)) continue;
+ if (isArr && String(Number(key)) === key && key < obj.length) continue;
+ if (/[^\w$]/.test(key)) {
+ xs.push(inspect(key, obj) + ': ' + inspect(obj[key], obj));
+ } else {
+ xs.push(key + ': ' + inspect(obj[key], obj));
+ }
+ }
+ return xs;
+}
+
+},{}],315:[function(require,module,exports){
+'use strict';
+
+// modified from https://github.com/es-shims/es5-shim
+var has = Object.prototype.hasOwnProperty;
+var toStr = Object.prototype.toString;
+var slice = Array.prototype.slice;
+var isArgs = require('./isArguments');
+var isEnumerable = Object.prototype.propertyIsEnumerable;
+var hasDontEnumBug = !isEnumerable.call({ toString: null }, 'toString');
+var hasProtoEnumBug = isEnumerable.call(function () {}, 'prototype');
+var dontEnums = [
+ 'toString',
+ 'toLocaleString',
+ 'valueOf',
+ 'hasOwnProperty',
+ 'isPrototypeOf',
+ 'propertyIsEnumerable',
+ 'constructor'
+];
+var equalsConstructorPrototype = function (o) {
+ var ctor = o.constructor;
+ return ctor && ctor.prototype === o;
+};
+var excludedKeys = {
+ $console: true,
+ $external: true,
+ $frame: true,
+ $frameElement: true,
+ $frames: true,
+ $innerHeight: true,
+ $innerWidth: true,
+ $outerHeight: true,
+ $outerWidth: true,
+ $pageXOffset: true,
+ $pageYOffset: true,
+ $parent: true,
+ $scrollLeft: true,
+ $scrollTop: true,
+ $scrollX: true,
+ $scrollY: true,
+ $self: true,
+ $webkitIndexedDB: true,
+ $webkitStorageInfo: true,
+ $window: true
+};
+var hasAutomationEqualityBug = (function () {
+ /* global window */
+ if (typeof window === 'undefined') { return false; }
+ for (var k in window) {
+ try {
+ if (!excludedKeys['$' + k] && has.call(window, k) && window[k] !== null && typeof window[k] === 'object') {
+ try {
+ equalsConstructorPrototype(window[k]);
+ } catch (e) {
+ return true;
+ }
+ }
+ } catch (e) {
+ return true;
+ }
+ }
+ return false;
+}());
+var equalsConstructorPrototypeIfNotBuggy = function (o) {
+ /* global window */
+ if (typeof window === 'undefined' || !hasAutomationEqualityBug) {
+ return equalsConstructorPrototype(o);
+ }
+ try {
+ return equalsConstructorPrototype(o);
+ } catch (e) {
+ return false;
+ }
+};
+
+var keysShim = function keys(object) {
+ var isObject = object !== null && typeof object === 'object';
+ var isFunction = toStr.call(object) === '[object Function]';
+ var isArguments = isArgs(object);
+ var isString = isObject && toStr.call(object) === '[object String]';
+ var theKeys = [];
+
+ if (!isObject && !isFunction && !isArguments) {
+ throw new TypeError('Object.keys called on a non-object');
+ }
+
+ var skipProto = hasProtoEnumBug && isFunction;
+ if (isString && object.length > 0 && !has.call(object, 0)) {
+ for (var i = 0; i < object.length; ++i) {
+ theKeys.push(String(i));
+ }
+ }
+
+ if (isArguments && object.length > 0) {
+ for (var j = 0; j < object.length; ++j) {
+ theKeys.push(String(j));
+ }
+ } else {
+ for (var name in object) {
+ if (!(skipProto && name === 'prototype') && has.call(object, name)) {
+ theKeys.push(String(name));
+ }
+ }
+ }
+
+ if (hasDontEnumBug) {
+ var skipConstructor = equalsConstructorPrototypeIfNotBuggy(object);
+
+ for (var k = 0; k < dontEnums.length; ++k) {
+ if (!(skipConstructor && dontEnums[k] === 'constructor') && has.call(object, dontEnums[k])) {
+ theKeys.push(dontEnums[k]);
+ }
+ }
+ }
+ return theKeys;
+};
+
+keysShim.shim = function shimObjectKeys() {
+ if (Object.keys) {
+ var keysWorksWithArguments = (function () {
+ // Safari 5.0 bug
+ return (Object.keys(arguments) || '').length === 2;
+ }(1, 2));
+ if (!keysWorksWithArguments) {
+ var originalKeys = Object.keys;
+ Object.keys = function keys(object) {
+ if (isArgs(object)) {
+ return originalKeys(slice.call(object));
+ } else {
+ return originalKeys(object);
+ }
+ };
+ }
+ } else {
+ Object.keys = keysShim;
+ }
+ return Object.keys || keysShim;
+};
+
+module.exports = keysShim;
+
+},{"./isArguments":316}],316:[function(require,module,exports){
+'use strict';
+
+var toStr = Object.prototype.toString;
+
+module.exports = function isArguments(value) {
+ var str = toStr.call(value);
+ var isArgs = str === '[object Arguments]';
+ if (!isArgs) {
+ isArgs = str !== '[object Array]' &&
+ value !== null &&
+ typeof value === 'object' &&
+ typeof value.length === 'number' &&
+ value.length >= 0 &&
+ toStr.call(value.callee) === '[object Function]';
+ }
+ return isArgs;
+};
+
+},{}],317:[function(require,module,exports){
+exports.endianness = function () { return 'LE' };
+
+exports.hostname = function () {
+ if (typeof location !== 'undefined') {
+ return location.hostname
+ }
+ else return '';
+};
+
+exports.loadavg = function () { return [] };
+
+exports.uptime = function () { return 0 };
+
+exports.freemem = function () {
+ return Number.MAX_VALUE;
+};
+
+exports.totalmem = function () {
+ return Number.MAX_VALUE;
+};
+
+exports.cpus = function () { return [] };
+
+exports.type = function () { return 'Browser' };
+
+exports.release = function () {
+ if (typeof navigator !== 'undefined') {
+ return navigator.appVersion;
+ }
+ return '';
+};
+
+exports.networkInterfaces
+= exports.getNetworkInterfaces
+= function () { return {} };
+
+exports.arch = function () { return 'javascript' };
+
+exports.platform = function () { return 'browser' };
+
+exports.tmpdir = exports.tmpDir = function () {
+ return '/tmp';
+};
+
+exports.EOL = '\n';
+
+exports.homedir = function () {
+ return '/'
+};
+
+},{}],318:[function(require,module,exports){
+'use strict';
+
+
+var TYPED_OK = (typeof Uint8Array !== 'undefined') &&
+ (typeof Uint16Array !== 'undefined') &&
+ (typeof Int32Array !== 'undefined');
+
+function _has(obj, key) {
+ return Object.prototype.hasOwnProperty.call(obj, key);
+}
+
+exports.assign = function (obj /*from1, from2, from3, ...*/) {
+ var sources = Array.prototype.slice.call(arguments, 1);
+ while (sources.length) {
+ var source = sources.shift();
+ if (!source) { continue; }
+
+ if (typeof source !== 'object') {
+ throw new TypeError(source + 'must be non-object');
+ }
+
+ for (var p in source) {
+ if (_has(source, p)) {
+ obj[p] = source[p];
+ }
+ }
+ }
+
+ return obj;
+};
+
+
+// reduce buffer size, avoiding mem copy
+exports.shrinkBuf = function (buf, size) {
+ if (buf.length === size) { return buf; }
+ if (buf.subarray) { return buf.subarray(0, size); }
+ buf.length = size;
+ return buf;
+};
+
+
+var fnTyped = {
+ arraySet: function (dest, src, src_offs, len, dest_offs) {
+ if (src.subarray && dest.subarray) {
+ dest.set(src.subarray(src_offs, src_offs + len), dest_offs);
+ return;
+ }
+ // Fallback to ordinary array
+ for (var i = 0; i < len; i++) {
+ dest[dest_offs + i] = src[src_offs + i];
+ }
+ },
+ // Join array of chunks to single array.
+ flattenChunks: function (chunks) {
+ var i, l, len, pos, chunk, result;
+
+ // calculate data length
+ len = 0;
+ for (i = 0, l = chunks.length; i < l; i++) {
+ len += chunks[i].length;
+ }
+
+ // join chunks
+ result = new Uint8Array(len);
+ pos = 0;
+ for (i = 0, l = chunks.length; i < l; i++) {
+ chunk = chunks[i];
+ result.set(chunk, pos);
+ pos += chunk.length;
+ }
+
+ return result;
+ }
+};
+
+var fnUntyped = {
+ arraySet: function (dest, src, src_offs, len, dest_offs) {
+ for (var i = 0; i < len; i++) {
+ dest[dest_offs + i] = src[src_offs + i];
+ }
+ },
+ // Join array of chunks to single array.
+ flattenChunks: function (chunks) {
+ return [].concat.apply([], chunks);
+ }
+};
+
+
+// Enable/Disable typed arrays use, for testing
+//
+exports.setTyped = function (on) {
+ if (on) {
+ exports.Buf8 = Uint8Array;
+ exports.Buf16 = Uint16Array;
+ exports.Buf32 = Int32Array;
+ exports.assign(exports, fnTyped);
+ } else {
+ exports.Buf8 = Array;
+ exports.Buf16 = Array;
+ exports.Buf32 = Array;
+ exports.assign(exports, fnUntyped);
+ }
+};
+
+exports.setTyped(TYPED_OK);
+
+},{}],319:[function(require,module,exports){
+'use strict';
+
+// Note: adler32 takes 12% for level 0 and 2% for level 6.
+// It isn't worth it to make additional optimizations as in original.
+// Small size is preferable.
+
+// (C) 1995-2013 Jean-loup Gailly and Mark Adler
+// (C) 2014-2017 Vitaly Puzrin and Andrey Tupitsin
+//
+// This software is provided 'as-is', without any express or implied
+// warranty. In no event will the authors be held liable for any damages
+// arising from the use of this software.
+//
+// Permission is granted to anyone to use this software for any purpose,
+// including commercial applications, and to alter it and redistribute it
+// freely, subject to the following restrictions:
+//
+// 1. The origin of this software must not be misrepresented; you must not
+// claim that you wrote the original software. If you use this software
+// in a product, an acknowledgment in the product documentation would be
+// appreciated but is not required.
+// 2. Altered source versions must be plainly marked as such, and must not be
+// misrepresented as being the original software.
+// 3. This notice may not be removed or altered from any source distribution.
+
+function adler32(adler, buf, len, pos) {
+ var s1 = (adler & 0xffff) |0,
+ s2 = ((adler >>> 16) & 0xffff) |0,
+ n = 0;
+
+ while (len !== 0) {
+ // Set limit ~ twice less than 5552, to keep
+ // s2 in 31-bits, because we force signed ints.
+ // in other case %= will fail.
+ n = len > 2000 ? 2000 : len;
+ len -= n;
+
+ do {
+ s1 = (s1 + buf[pos++]) |0;
+ s2 = (s2 + s1) |0;
+ } while (--n);
+
+ s1 %= 65521;
+ s2 %= 65521;
+ }
+
+ return (s1 | (s2 << 16)) |0;
+}
+
+
+module.exports = adler32;
+
+},{}],320:[function(require,module,exports){
+'use strict';
+
+// (C) 1995-2013 Jean-loup Gailly and Mark Adler
+// (C) 2014-2017 Vitaly Puzrin and Andrey Tupitsin
+//
+// This software is provided 'as-is', without any express or implied
+// warranty. In no event will the authors be held liable for any damages
+// arising from the use of this software.
+//
+// Permission is granted to anyone to use this software for any purpose,
+// including commercial applications, and to alter it and redistribute it
+// freely, subject to the following restrictions:
+//
+// 1. The origin of this software must not be misrepresented; you must not
+// claim that you wrote the original software. If you use this software
+// in a product, an acknowledgment in the product documentation would be
+// appreciated but is not required.
+// 2. Altered source versions must be plainly marked as such, and must not be
+// misrepresented as being the original software.
+// 3. This notice may not be removed or altered from any source distribution.
+
+module.exports = {
+
+ /* Allowed flush values; see deflate() and inflate() below for details */
+ Z_NO_FLUSH: 0,
+ Z_PARTIAL_FLUSH: 1,
+ Z_SYNC_FLUSH: 2,
+ Z_FULL_FLUSH: 3,
+ Z_FINISH: 4,
+ Z_BLOCK: 5,
+ Z_TREES: 6,
+
+ /* Return codes for the compression/decompression functions. Negative values
+ * are errors, positive values are used for special but normal events.
+ */
+ Z_OK: 0,
+ Z_STREAM_END: 1,
+ Z_NEED_DICT: 2,
+ Z_ERRNO: -1,
+ Z_STREAM_ERROR: -2,
+ Z_DATA_ERROR: -3,
+ //Z_MEM_ERROR: -4,
+ Z_BUF_ERROR: -5,
+ //Z_VERSION_ERROR: -6,
+
+ /* compression levels */
+ Z_NO_COMPRESSION: 0,
+ Z_BEST_SPEED: 1,
+ Z_BEST_COMPRESSION: 9,
+ Z_DEFAULT_COMPRESSION: -1,
+
+
+ Z_FILTERED: 1,
+ Z_HUFFMAN_ONLY: 2,
+ Z_RLE: 3,
+ Z_FIXED: 4,
+ Z_DEFAULT_STRATEGY: 0,
+
+ /* Possible values of the data_type field (though see inflate()) */
+ Z_BINARY: 0,
+ Z_TEXT: 1,
+ //Z_ASCII: 1, // = Z_TEXT (deprecated)
+ Z_UNKNOWN: 2,
+
+ /* The deflate compression method */
+ Z_DEFLATED: 8
+ //Z_NULL: null // Use -1 or null inline, depending on var type
+};
+
+},{}],321:[function(require,module,exports){
+'use strict';
+
+// Note: we can't get significant speed boost here.
+// So write code to minimize size - no pregenerated tables
+// and array tools dependencies.
+
+// (C) 1995-2013 Jean-loup Gailly and Mark Adler
+// (C) 2014-2017 Vitaly Puzrin and Andrey Tupitsin
+//
+// This software is provided 'as-is', without any express or implied
+// warranty. In no event will the authors be held liable for any damages
+// arising from the use of this software.
+//
+// Permission is granted to anyone to use this software for any purpose,
+// including commercial applications, and to alter it and redistribute it
+// freely, subject to the following restrictions:
+//
+// 1. The origin of this software must not be misrepresented; you must not
+// claim that you wrote the original software. If you use this software
+// in a product, an acknowledgment in the product documentation would be
+// appreciated but is not required.
+// 2. Altered source versions must be plainly marked as such, and must not be
+// misrepresented as being the original software.
+// 3. This notice may not be removed or altered from any source distribution.
+
+// Use ordinary array, since untyped makes no boost here
+function makeTable() {
+ var c, table = [];
+
+ for (var n = 0; n < 256; n++) {
+ c = n;
+ for (var k = 0; k < 8; k++) {
+ c = ((c & 1) ? (0xEDB88320 ^ (c >>> 1)) : (c >>> 1));
+ }
+ table[n] = c;
+ }
+
+ return table;
+}
+
+// Create table on load. Just 255 signed longs. Not a problem.
+var crcTable = makeTable();
+
+
+function crc32(crc, buf, len, pos) {
+ var t = crcTable,
+ end = pos + len;
+
+ crc ^= -1;
+
+ for (var i = pos; i < end; i++) {
+ crc = (crc >>> 8) ^ t[(crc ^ buf[i]) & 0xFF];
+ }
+
+ return (crc ^ (-1)); // >>> 0;
+}
+
+
+module.exports = crc32;
+
+},{}],322:[function(require,module,exports){
+'use strict';
+
+// (C) 1995-2013 Jean-loup Gailly and Mark Adler
+// (C) 2014-2017 Vitaly Puzrin and Andrey Tupitsin
+//
+// This software is provided 'as-is', without any express or implied
+// warranty. In no event will the authors be held liable for any damages
+// arising from the use of this software.
+//
+// Permission is granted to anyone to use this software for any purpose,
+// including commercial applications, and to alter it and redistribute it
+// freely, subject to the following restrictions:
+//
+// 1. The origin of this software must not be misrepresented; you must not
+// claim that you wrote the original software. If you use this software
+// in a product, an acknowledgment in the product documentation would be
+// appreciated but is not required.
+// 2. Altered source versions must be plainly marked as such, and must not be
+// misrepresented as being the original software.
+// 3. This notice may not be removed or altered from any source distribution.
+
+var utils = require('../utils/common');
+var trees = require('./trees');
+var adler32 = require('./adler32');
+var crc32 = require('./crc32');
+var msg = require('./messages');
+
+/* Public constants ==========================================================*/
+/* ===========================================================================*/
+
+
+/* Allowed flush values; see deflate() and inflate() below for details */
+var Z_NO_FLUSH = 0;
+var Z_PARTIAL_FLUSH = 1;
+//var Z_SYNC_FLUSH = 2;
+var Z_FULL_FLUSH = 3;
+var Z_FINISH = 4;
+var Z_BLOCK = 5;
+//var Z_TREES = 6;
+
+
+/* Return codes for the compression/decompression functions. Negative values
+ * are errors, positive values are used for special but normal events.
+ */
+var Z_OK = 0;
+var Z_STREAM_END = 1;
+//var Z_NEED_DICT = 2;
+//var Z_ERRNO = -1;
+var Z_STREAM_ERROR = -2;
+var Z_DATA_ERROR = -3;
+//var Z_MEM_ERROR = -4;
+var Z_BUF_ERROR = -5;
+//var Z_VERSION_ERROR = -6;
+
+
+/* compression levels */
+//var Z_NO_COMPRESSION = 0;
+//var Z_BEST_SPEED = 1;
+//var Z_BEST_COMPRESSION = 9;
+var Z_DEFAULT_COMPRESSION = -1;
+
+
+var Z_FILTERED = 1;
+var Z_HUFFMAN_ONLY = 2;
+var Z_RLE = 3;
+var Z_FIXED = 4;
+var Z_DEFAULT_STRATEGY = 0;
+
+/* Possible values of the data_type field (though see inflate()) */
+//var Z_BINARY = 0;
+//var Z_TEXT = 1;
+//var Z_ASCII = 1; // = Z_TEXT
+var Z_UNKNOWN = 2;
+
+
+/* The deflate compression method */
+var Z_DEFLATED = 8;
+
+/*============================================================================*/
+
+
+var MAX_MEM_LEVEL = 9;
+/* Maximum value for memLevel in deflateInit2 */
+var MAX_WBITS = 15;
+/* 32K LZ77 window */
+var DEF_MEM_LEVEL = 8;
+
+
+var LENGTH_CODES = 29;
+/* number of length codes, not counting the special END_BLOCK code */
+var LITERALS = 256;
+/* number of literal bytes 0..255 */
+var L_CODES = LITERALS + 1 + LENGTH_CODES;
+/* number of Literal or Length codes, including the END_BLOCK code */
+var D_CODES = 30;
+/* number of distance codes */
+var BL_CODES = 19;
+/* number of codes used to transfer the bit lengths */
+var HEAP_SIZE = 2 * L_CODES + 1;
+/* maximum heap size */
+var MAX_BITS = 15;
+/* All codes must not exceed MAX_BITS bits */
+
+var MIN_MATCH = 3;
+var MAX_MATCH = 258;
+var MIN_LOOKAHEAD = (MAX_MATCH + MIN_MATCH + 1);
+
+var PRESET_DICT = 0x20;
+
+var INIT_STATE = 42;
+var EXTRA_STATE = 69;
+var NAME_STATE = 73;
+var COMMENT_STATE = 91;
+var HCRC_STATE = 103;
+var BUSY_STATE = 113;
+var FINISH_STATE = 666;
+
+var BS_NEED_MORE = 1; /* block not completed, need more input or more output */
+var BS_BLOCK_DONE = 2; /* block flush performed */
+var BS_FINISH_STARTED = 3; /* finish started, need only more output at next deflate */
+var BS_FINISH_DONE = 4; /* finish done, accept no more input or output */
+
+var OS_CODE = 0x03; // Unix :) . Don't detect, use this default.
+
+function err(strm, errorCode) {
+ strm.msg = msg[errorCode];
+ return errorCode;
+}
+
+function rank(f) {
+ return ((f) << 1) - ((f) > 4 ? 9 : 0);
+}
+
+function zero(buf) { var len = buf.length; while (--len >= 0) { buf[len] = 0; } }
+
+
+/* =========================================================================
+ * Flush as much pending output as possible. All deflate() output goes
+ * through this function so some applications may wish to modify it
+ * to avoid allocating a large strm->output buffer and copying into it.
+ * (See also read_buf()).
+ */
+function flush_pending(strm) {
+ var s = strm.state;
+
+ //_tr_flush_bits(s);
+ var len = s.pending;
+ if (len > strm.avail_out) {
+ len = strm.avail_out;
+ }
+ if (len === 0) { return; }
+
+ utils.arraySet(strm.output, s.pending_buf, s.pending_out, len, strm.next_out);
+ strm.next_out += len;
+ s.pending_out += len;
+ strm.total_out += len;
+ strm.avail_out -= len;
+ s.pending -= len;
+ if (s.pending === 0) {
+ s.pending_out = 0;
+ }
+}
+
+
+function flush_block_only(s, last) {
+ trees._tr_flush_block(s, (s.block_start >= 0 ? s.block_start : -1), s.strstart - s.block_start, last);
+ s.block_start = s.strstart;
+ flush_pending(s.strm);
+}
+
+
+function put_byte(s, b) {
+ s.pending_buf[s.pending++] = b;
+}
+
+
+/* =========================================================================
+ * Put a short in the pending buffer. The 16-bit value is put in MSB order.
+ * IN assertion: the stream state is correct and there is enough room in
+ * pending_buf.
+ */
+function putShortMSB(s, b) {
+// put_byte(s, (Byte)(b >> 8));
+// put_byte(s, (Byte)(b & 0xff));
+ s.pending_buf[s.pending++] = (b >>> 8) & 0xff;
+ s.pending_buf[s.pending++] = b & 0xff;
+}
+
+
+/* ===========================================================================
+ * Read a new buffer from the current input stream, update the adler32
+ * and total number of bytes read. All deflate() input goes through
+ * this function so some applications may wish to modify it to avoid
+ * allocating a large strm->input buffer and copying from it.
+ * (See also flush_pending()).
+ */
+function read_buf(strm, buf, start, size) {
+ var len = strm.avail_in;
+
+ if (len > size) { len = size; }
+ if (len === 0) { return 0; }
+
+ strm.avail_in -= len;
+
+ // zmemcpy(buf, strm->next_in, len);
+ utils.arraySet(buf, strm.input, strm.next_in, len, start);
+ if (strm.state.wrap === 1) {
+ strm.adler = adler32(strm.adler, buf, len, start);
+ }
+
+ else if (strm.state.wrap === 2) {
+ strm.adler = crc32(strm.adler, buf, len, start);
+ }
+
+ strm.next_in += len;
+ strm.total_in += len;
+
+ return len;
+}
+
+
+/* ===========================================================================
+ * Set match_start to the longest match starting at the given string and
+ * return its length. Matches shorter or equal to prev_length are discarded,
+ * in which case the result is equal to prev_length and match_start is
+ * garbage.
+ * IN assertions: cur_match is the head of the hash chain for the current
+ * string (strstart) and its distance is <= MAX_DIST, and prev_length >= 1
+ * OUT assertion: the match length is not greater than s->lookahead.
+ */
+function longest_match(s, cur_match) {
+ var chain_length = s.max_chain_length; /* max hash chain length */
+ var scan = s.strstart; /* current string */
+ var match; /* matched string */
+ var len; /* length of current match */
+ var best_len = s.prev_length; /* best match length so far */
+ var nice_match = s.nice_match; /* stop if match long enough */
+ var limit = (s.strstart > (s.w_size - MIN_LOOKAHEAD)) ?
+ s.strstart - (s.w_size - MIN_LOOKAHEAD) : 0/*NIL*/;
+
+ var _win = s.window; // shortcut
+
+ var wmask = s.w_mask;
+ var prev = s.prev;
+
+ /* Stop when cur_match becomes <= limit. To simplify the code,
+ * we prevent matches with the string of window index 0.
+ */
+
+ var strend = s.strstart + MAX_MATCH;
+ var scan_end1 = _win[scan + best_len - 1];
+ var scan_end = _win[scan + best_len];
+
+ /* The code is optimized for HASH_BITS >= 8 and MAX_MATCH-2 multiple of 16.
+ * It is easy to get rid of this optimization if necessary.
+ */
+ // Assert(s->hash_bits >= 8 && MAX_MATCH == 258, "Code too clever");
+
+ /* Do not waste too much time if we already have a good match: */
+ if (s.prev_length >= s.good_match) {
+ chain_length >>= 2;
+ }
+ /* Do not look for matches beyond the end of the input. This is necessary
+ * to make deflate deterministic.
+ */
+ if (nice_match > s.lookahead) { nice_match = s.lookahead; }
+
+ // Assert((ulg)s->strstart <= s->window_size-MIN_LOOKAHEAD, "need lookahead");
+
+ do {
+ // Assert(cur_match < s->strstart, "no future");
+ match = cur_match;
+
+ /* Skip to next match if the match length cannot increase
+ * or if the match length is less than 2. Note that the checks below
+ * for insufficient lookahead only occur occasionally for performance
+ * reasons. Therefore uninitialized memory will be accessed, and
+ * conditional jumps will be made that depend on those values.
+ * However the length of the match is limited to the lookahead, so
+ * the output of deflate is not affected by the uninitialized values.
+ */
+
+ if (_win[match + best_len] !== scan_end ||
+ _win[match + best_len - 1] !== scan_end1 ||
+ _win[match] !== _win[scan] ||
+ _win[++match] !== _win[scan + 1]) {
+ continue;
+ }
+
+ /* The check at best_len-1 can be removed because it will be made
+ * again later. (This heuristic is not always a win.)
+ * It is not necessary to compare scan[2] and match[2] since they
+ * are always equal when the other bytes match, given that
+ * the hash keys are equal and that HASH_BITS >= 8.
+ */
+ scan += 2;
+ match++;
+ // Assert(*scan == *match, "match[2]?");
+
+ /* We check for insufficient lookahead only every 8th comparison;
+ * the 256th check will be made at strstart+258.
+ */
+ do {
+ /*jshint noempty:false*/
+ } while (_win[++scan] === _win[++match] && _win[++scan] === _win[++match] &&
+ _win[++scan] === _win[++match] && _win[++scan] === _win[++match] &&
+ _win[++scan] === _win[++match] && _win[++scan] === _win[++match] &&
+ _win[++scan] === _win[++match] && _win[++scan] === _win[++match] &&
+ scan < strend);
+
+ // Assert(scan <= s->window+(unsigned)(s->window_size-1), "wild scan");
+
+ len = MAX_MATCH - (strend - scan);
+ scan = strend - MAX_MATCH;
+
+ if (len > best_len) {
+ s.match_start = cur_match;
+ best_len = len;
+ if (len >= nice_match) {
+ break;
+ }
+ scan_end1 = _win[scan + best_len - 1];
+ scan_end = _win[scan + best_len];
+ }
+ } while ((cur_match = prev[cur_match & wmask]) > limit && --chain_length !== 0);
+
+ if (best_len <= s.lookahead) {
+ return best_len;
+ }
+ return s.lookahead;
+}
+
+
+/* ===========================================================================
+ * Fill the window when the lookahead becomes insufficient.
+ * Updates strstart and lookahead.
+ *
+ * IN assertion: lookahead < MIN_LOOKAHEAD
+ * OUT assertions: strstart <= window_size-MIN_LOOKAHEAD
+ * At least one byte has been read, or avail_in == 0; reads are
+ * performed for at least two bytes (required for the zip translate_eol
+ * option -- not supported here).
+ */
+function fill_window(s) {
+ var _w_size = s.w_size;
+ var p, n, m, more, str;
+
+ //Assert(s->lookahead < MIN_LOOKAHEAD, "already enough lookahead");
+
+ do {
+ more = s.window_size - s.lookahead - s.strstart;
+
+ // JS ints have 32 bit, block below not needed
+ /* Deal with !@#$% 64K limit: */
+ //if (sizeof(int) <= 2) {
+ // if (more == 0 && s->strstart == 0 && s->lookahead == 0) {
+ // more = wsize;
+ //
+ // } else if (more == (unsigned)(-1)) {
+ // /* Very unlikely, but possible on 16 bit machine if
+ // * strstart == 0 && lookahead == 1 (input done a byte at time)
+ // */
+ // more--;
+ // }
+ //}
+
+
+ /* If the window is almost full and there is insufficient lookahead,
+ * move the upper half to the lower one to make room in the upper half.
+ */
+ if (s.strstart >= _w_size + (_w_size - MIN_LOOKAHEAD)) {
+
+ utils.arraySet(s.window, s.window, _w_size, _w_size, 0);
+ s.match_start -= _w_size;
+ s.strstart -= _w_size;
+ /* we now have strstart >= MAX_DIST */
+ s.block_start -= _w_size;
+
+ /* Slide the hash table (could be avoided with 32 bit values
+ at the expense of memory usage). We slide even when level == 0
+ to keep the hash table consistent if we switch back to level > 0
+ later. (Using level 0 permanently is not an optimal usage of
+ zlib, so we don't care about this pathological case.)
+ */
+
+ n = s.hash_size;
+ p = n;
+ do {
+ m = s.head[--p];
+ s.head[p] = (m >= _w_size ? m - _w_size : 0);
+ } while (--n);
+
+ n = _w_size;
+ p = n;
+ do {
+ m = s.prev[--p];
+ s.prev[p] = (m >= _w_size ? m - _w_size : 0);
+ /* If n is not on any hash chain, prev[n] is garbage but
+ * its value will never be used.
+ */
+ } while (--n);
+
+ more += _w_size;
+ }
+ if (s.strm.avail_in === 0) {
+ break;
+ }
+
+ /* If there was no sliding:
+ * strstart <= WSIZE+MAX_DIST-1 && lookahead <= MIN_LOOKAHEAD - 1 &&
+ * more == window_size - lookahead - strstart
+ * => more >= window_size - (MIN_LOOKAHEAD-1 + WSIZE + MAX_DIST-1)
+ * => more >= window_size - 2*WSIZE + 2
+ * In the BIG_MEM or MMAP case (not yet supported),
+ * window_size == input_size + MIN_LOOKAHEAD &&
+ * strstart + s->lookahead <= input_size => more >= MIN_LOOKAHEAD.
+ * Otherwise, window_size == 2*WSIZE so more >= 2.
+ * If there was sliding, more >= WSIZE. So in all cases, more >= 2.
+ */
+ //Assert(more >= 2, "more < 2");
+ n = read_buf(s.strm, s.window, s.strstart + s.lookahead, more);
+ s.lookahead += n;
+
+ /* Initialize the hash value now that we have some input: */
+ if (s.lookahead + s.insert >= MIN_MATCH) {
+ str = s.strstart - s.insert;
+ s.ins_h = s.window[str];
+
+ /* UPDATE_HASH(s, s->ins_h, s->window[str + 1]); */
+ s.ins_h = ((s.ins_h << s.hash_shift) ^ s.window[str + 1]) & s.hash_mask;
+//#if MIN_MATCH != 3
+// Call update_hash() MIN_MATCH-3 more times
+//#endif
+ while (s.insert) {
+ /* UPDATE_HASH(s, s->ins_h, s->window[str + MIN_MATCH-1]); */
+ s.ins_h = ((s.ins_h << s.hash_shift) ^ s.window[str + MIN_MATCH - 1]) & s.hash_mask;
+
+ s.prev[str & s.w_mask] = s.head[s.ins_h];
+ s.head[s.ins_h] = str;
+ str++;
+ s.insert--;
+ if (s.lookahead + s.insert < MIN_MATCH) {
+ break;
+ }
+ }
+ }
+ /* If the whole input has less than MIN_MATCH bytes, ins_h is garbage,
+ * but this is not important since only literal bytes will be emitted.
+ */
+
+ } while (s.lookahead < MIN_LOOKAHEAD && s.strm.avail_in !== 0);
+
+ /* If the WIN_INIT bytes after the end of the current data have never been
+ * written, then zero those bytes in order to avoid memory check reports of
+ * the use of uninitialized (or uninitialised as Julian writes) bytes by
+ * the longest match routines. Update the high water mark for the next
+ * time through here. WIN_INIT is set to MAX_MATCH since the longest match
+ * routines allow scanning to strstart + MAX_MATCH, ignoring lookahead.
+ */
+// if (s.high_water < s.window_size) {
+// var curr = s.strstart + s.lookahead;
+// var init = 0;
+//
+// if (s.high_water < curr) {
+// /* Previous high water mark below current data -- zero WIN_INIT
+// * bytes or up to end of window, whichever is less.
+// */
+// init = s.window_size - curr;
+// if (init > WIN_INIT)
+// init = WIN_INIT;
+// zmemzero(s->window + curr, (unsigned)init);
+// s->high_water = curr + init;
+// }
+// else if (s->high_water < (ulg)curr + WIN_INIT) {
+// /* High water mark at or above current data, but below current data
+// * plus WIN_INIT -- zero out to current data plus WIN_INIT, or up
+// * to end of window, whichever is less.
+// */
+// init = (ulg)curr + WIN_INIT - s->high_water;
+// if (init > s->window_size - s->high_water)
+// init = s->window_size - s->high_water;
+// zmemzero(s->window + s->high_water, (unsigned)init);
+// s->high_water += init;
+// }
+// }
+//
+// Assert((ulg)s->strstart <= s->window_size - MIN_LOOKAHEAD,
+// "not enough room for search");
+}
+
+/* ===========================================================================
+ * Copy without compression as much as possible from the input stream, return
+ * the current block state.
+ * This function does not insert new strings in the dictionary since
+ * uncompressible data is probably not useful. This function is used
+ * only for the level=0 compression option.
+ * NOTE: this function should be optimized to avoid extra copying from
+ * window to pending_buf.
+ */
+function deflate_stored(s, flush) {
+ /* Stored blocks are limited to 0xffff bytes, pending_buf is limited
+ * to pending_buf_size, and each stored block has a 5 byte header:
+ */
+ var max_block_size = 0xffff;
+
+ if (max_block_size > s.pending_buf_size - 5) {
+ max_block_size = s.pending_buf_size - 5;
+ }
+
+ /* Copy as much as possible from input to output: */
+ for (;;) {
+ /* Fill the window as much as possible: */
+ if (s.lookahead <= 1) {
+
+ //Assert(s->strstart < s->w_size+MAX_DIST(s) ||
+ // s->block_start >= (long)s->w_size, "slide too late");
+// if (!(s.strstart < s.w_size + (s.w_size - MIN_LOOKAHEAD) ||
+// s.block_start >= s.w_size)) {
+// throw new Error("slide too late");
+// }
+
+ fill_window(s);
+ if (s.lookahead === 0 && flush === Z_NO_FLUSH) {
+ return BS_NEED_MORE;
+ }
+
+ if (s.lookahead === 0) {
+ break;
+ }
+ /* flush the current block */
+ }
+ //Assert(s->block_start >= 0L, "block gone");
+// if (s.block_start < 0) throw new Error("block gone");
+
+ s.strstart += s.lookahead;
+ s.lookahead = 0;
+
+ /* Emit a stored block if pending_buf will be full: */
+ var max_start = s.block_start + max_block_size;
+
+ if (s.strstart === 0 || s.strstart >= max_start) {
+ /* strstart == 0 is possible when wraparound on 16-bit machine */
+ s.lookahead = s.strstart - max_start;
+ s.strstart = max_start;
+ /*** FLUSH_BLOCK(s, 0); ***/
+ flush_block_only(s, false);
+ if (s.strm.avail_out === 0) {
+ return BS_NEED_MORE;
+ }
+ /***/
+
+
+ }
+ /* Flush if we may have to slide, otherwise block_start may become
+ * negative and the data will be gone:
+ */
+ if (s.strstart - s.block_start >= (s.w_size - MIN_LOOKAHEAD)) {
+ /*** FLUSH_BLOCK(s, 0); ***/
+ flush_block_only(s, false);
+ if (s.strm.avail_out === 0) {
+ return BS_NEED_MORE;
+ }
+ /***/
+ }
+ }
+
+ s.insert = 0;
+
+ if (flush === Z_FINISH) {
+ /*** FLUSH_BLOCK(s, 1); ***/
+ flush_block_only(s, true);
+ if (s.strm.avail_out === 0) {
+ return BS_FINISH_STARTED;
+ }
+ /***/
+ return BS_FINISH_DONE;
+ }
+
+ if (s.strstart > s.block_start) {
+ /*** FLUSH_BLOCK(s, 0); ***/
+ flush_block_only(s, false);
+ if (s.strm.avail_out === 0) {
+ return BS_NEED_MORE;
+ }
+ /***/
+ }
+
+ return BS_NEED_MORE;
+}
+
+/* ===========================================================================
+ * Compress as much as possible from the input stream, return the current
+ * block state.
+ * This function does not perform lazy evaluation of matches and inserts
+ * new strings in the dictionary only for unmatched strings or for short
+ * matches. It is used only for the fast compression options.
+ */
+function deflate_fast(s, flush) {
+ var hash_head; /* head of the hash chain */
+ var bflush; /* set if current block must be flushed */
+
+ for (;;) {
+ /* Make sure that we always have enough lookahead, except
+ * at the end of the input file. We need MAX_MATCH bytes
+ * for the next match, plus MIN_MATCH bytes to insert the
+ * string following the next match.
+ */
+ if (s.lookahead < MIN_LOOKAHEAD) {
+ fill_window(s);
+ if (s.lookahead < MIN_LOOKAHEAD && flush === Z_NO_FLUSH) {
+ return BS_NEED_MORE;
+ }
+ if (s.lookahead === 0) {
+ break; /* flush the current block */
+ }
+ }
+
+ /* Insert the string window[strstart .. strstart+2] in the
+ * dictionary, and set hash_head to the head of the hash chain:
+ */
+ hash_head = 0/*NIL*/;
+ if (s.lookahead >= MIN_MATCH) {
+ /*** INSERT_STRING(s, s.strstart, hash_head); ***/
+ s.ins_h = ((s.ins_h << s.hash_shift) ^ s.window[s.strstart + MIN_MATCH - 1]) & s.hash_mask;
+ hash_head = s.prev[s.strstart & s.w_mask] = s.head[s.ins_h];
+ s.head[s.ins_h] = s.strstart;
+ /***/
+ }
+
+ /* Find the longest match, discarding those <= prev_length.
+ * At this point we have always match_length < MIN_MATCH
+ */
+ if (hash_head !== 0/*NIL*/ && ((s.strstart - hash_head) <= (s.w_size - MIN_LOOKAHEAD))) {
+ /* To simplify the code, we prevent matches with the string
+ * of window index 0 (in particular we have to avoid a match
+ * of the string with itself at the start of the input file).
+ */
+ s.match_length = longest_match(s, hash_head);
+ /* longest_match() sets match_start */
+ }
+ if (s.match_length >= MIN_MATCH) {
+ // check_match(s, s.strstart, s.match_start, s.match_length); // for debug only
+
+ /*** _tr_tally_dist(s, s.strstart - s.match_start,
+ s.match_length - MIN_MATCH, bflush); ***/
+ bflush = trees._tr_tally(s, s.strstart - s.match_start, s.match_length - MIN_MATCH);
+
+ s.lookahead -= s.match_length;
+
+ /* Insert new strings in the hash table only if the match length
+ * is not too large. This saves time but degrades compression.
+ */
+ if (s.match_length <= s.max_lazy_match/*max_insert_length*/ && s.lookahead >= MIN_MATCH) {
+ s.match_length--; /* string at strstart already in table */
+ do {
+ s.strstart++;
+ /*** INSERT_STRING(s, s.strstart, hash_head); ***/
+ s.ins_h = ((s.ins_h << s.hash_shift) ^ s.window[s.strstart + MIN_MATCH - 1]) & s.hash_mask;
+ hash_head = s.prev[s.strstart & s.w_mask] = s.head[s.ins_h];
+ s.head[s.ins_h] = s.strstart;
+ /***/
+ /* strstart never exceeds WSIZE-MAX_MATCH, so there are
+ * always MIN_MATCH bytes ahead.
+ */
+ } while (--s.match_length !== 0);
+ s.strstart++;
+ } else
+ {
+ s.strstart += s.match_length;
+ s.match_length = 0;
+ s.ins_h = s.window[s.strstart];
+ /* UPDATE_HASH(s, s.ins_h, s.window[s.strstart+1]); */
+ s.ins_h = ((s.ins_h << s.hash_shift) ^ s.window[s.strstart + 1]) & s.hash_mask;
+
+//#if MIN_MATCH != 3
+// Call UPDATE_HASH() MIN_MATCH-3 more times
+//#endif
+ /* If lookahead < MIN_MATCH, ins_h is garbage, but it does not
+ * matter since it will be recomputed at next deflate call.
+ */
+ }
+ } else {
+ /* No match, output a literal byte */
+ //Tracevv((stderr,"%c", s.window[s.strstart]));
+ /*** _tr_tally_lit(s, s.window[s.strstart], bflush); ***/
+ bflush = trees._tr_tally(s, 0, s.window[s.strstart]);
+
+ s.lookahead--;
+ s.strstart++;
+ }
+ if (bflush) {
+ /*** FLUSH_BLOCK(s, 0); ***/
+ flush_block_only(s, false);
+ if (s.strm.avail_out === 0) {
+ return BS_NEED_MORE;
+ }
+ /***/
+ }
+ }
+ s.insert = ((s.strstart < (MIN_MATCH - 1)) ? s.strstart : MIN_MATCH - 1);
+ if (flush === Z_FINISH) {
+ /*** FLUSH_BLOCK(s, 1); ***/
+ flush_block_only(s, true);
+ if (s.strm.avail_out === 0) {
+ return BS_FINISH_STARTED;
+ }
+ /***/
+ return BS_FINISH_DONE;
+ }
+ if (s.last_lit) {
+ /*** FLUSH_BLOCK(s, 0); ***/
+ flush_block_only(s, false);
+ if (s.strm.avail_out === 0) {
+ return BS_NEED_MORE;
+ }
+ /***/
+ }
+ return BS_BLOCK_DONE;
+}
+
+/* ===========================================================================
+ * Same as above, but achieves better compression. We use a lazy
+ * evaluation for matches: a match is finally adopted only if there is
+ * no better match at the next window position.
+ */
+function deflate_slow(s, flush) {
+ var hash_head; /* head of hash chain */
+ var bflush; /* set if current block must be flushed */
+
+ var max_insert;
+
+ /* Process the input block. */
+ for (;;) {
+ /* Make sure that we always have enough lookahead, except
+ * at the end of the input file. We need MAX_MATCH bytes
+ * for the next match, plus MIN_MATCH bytes to insert the
+ * string following the next match.
+ */
+ if (s.lookahead < MIN_LOOKAHEAD) {
+ fill_window(s);
+ if (s.lookahead < MIN_LOOKAHEAD && flush === Z_NO_FLUSH) {
+ return BS_NEED_MORE;
+ }
+ if (s.lookahead === 0) { break; } /* flush the current block */
+ }
+
+ /* Insert the string window[strstart .. strstart+2] in the
+ * dictionary, and set hash_head to the head of the hash chain:
+ */
+ hash_head = 0/*NIL*/;
+ if (s.lookahead >= MIN_MATCH) {
+ /*** INSERT_STRING(s, s.strstart, hash_head); ***/
+ s.ins_h = ((s.ins_h << s.hash_shift) ^ s.window[s.strstart + MIN_MATCH - 1]) & s.hash_mask;
+ hash_head = s.prev[s.strstart & s.w_mask] = s.head[s.ins_h];
+ s.head[s.ins_h] = s.strstart;
+ /***/
+ }
+
+ /* Find the longest match, discarding those <= prev_length.
+ */
+ s.prev_length = s.match_length;
+ s.prev_match = s.match_start;
+ s.match_length = MIN_MATCH - 1;
+
+ if (hash_head !== 0/*NIL*/ && s.prev_length < s.max_lazy_match &&
+ s.strstart - hash_head <= (s.w_size - MIN_LOOKAHEAD)/*MAX_DIST(s)*/) {
+ /* To simplify the code, we prevent matches with the string
+ * of window index 0 (in particular we have to avoid a match
+ * of the string with itself at the start of the input file).
+ */
+ s.match_length = longest_match(s, hash_head);
+ /* longest_match() sets match_start */
+
+ if (s.match_length <= 5 &&
+ (s.strategy === Z_FILTERED || (s.match_length === MIN_MATCH && s.strstart - s.match_start > 4096/*TOO_FAR*/))) {
+
+ /* If prev_match is also MIN_MATCH, match_start is garbage
+ * but we will ignore the current match anyway.
+ */
+ s.match_length = MIN_MATCH - 1;
+ }
+ }
+ /* If there was a match at the previous step and the current
+ * match is not better, output the previous match:
+ */
+ if (s.prev_length >= MIN_MATCH && s.match_length <= s.prev_length) {
+ max_insert = s.strstart + s.lookahead - MIN_MATCH;
+ /* Do not insert strings in hash table beyond this. */
+
+ //check_match(s, s.strstart-1, s.prev_match, s.prev_length);
+
+ /***_tr_tally_dist(s, s.strstart - 1 - s.prev_match,
+ s.prev_length - MIN_MATCH, bflush);***/
+ bflush = trees._tr_tally(s, s.strstart - 1 - s.prev_match, s.prev_length - MIN_MATCH);
+ /* Insert in hash table all strings up to the end of the match.
+ * strstart-1 and strstart are already inserted. If there is not
+ * enough lookahead, the last two strings are not inserted in
+ * the hash table.
+ */
+ s.lookahead -= s.prev_length - 1;
+ s.prev_length -= 2;
+ do {
+ if (++s.strstart <= max_insert) {
+ /*** INSERT_STRING(s, s.strstart, hash_head); ***/
+ s.ins_h = ((s.ins_h << s.hash_shift) ^ s.window[s.strstart + MIN_MATCH - 1]) & s.hash_mask;
+ hash_head = s.prev[s.strstart & s.w_mask] = s.head[s.ins_h];
+ s.head[s.ins_h] = s.strstart;
+ /***/
+ }
+ } while (--s.prev_length !== 0);
+ s.match_available = 0;
+ s.match_length = MIN_MATCH - 1;
+ s.strstart++;
+
+ if (bflush) {
+ /*** FLUSH_BLOCK(s, 0); ***/
+ flush_block_only(s, false);
+ if (s.strm.avail_out === 0) {
+ return BS_NEED_MORE;
+ }
+ /***/
+ }
+
+ } else if (s.match_available) {
+ /* If there was no match at the previous position, output a
+ * single literal. If there was a match but the current match
+ * is longer, truncate the previous match to a single literal.
+ */
+ //Tracevv((stderr,"%c", s->window[s->strstart-1]));
+ /*** _tr_tally_lit(s, s.window[s.strstart-1], bflush); ***/
+ bflush = trees._tr_tally(s, 0, s.window[s.strstart - 1]);
+
+ if (bflush) {
+ /*** FLUSH_BLOCK_ONLY(s, 0) ***/
+ flush_block_only(s, false);
+ /***/
+ }
+ s.strstart++;
+ s.lookahead--;
+ if (s.strm.avail_out === 0) {
+ return BS_NEED_MORE;
+ }
+ } else {
+ /* There is no previous match to compare with, wait for
+ * the next step to decide.
+ */
+ s.match_available = 1;
+ s.strstart++;
+ s.lookahead--;
+ }
+ }
+ //Assert (flush != Z_NO_FLUSH, "no flush?");
+ if (s.match_available) {
+ //Tracevv((stderr,"%c", s->window[s->strstart-1]));
+ /*** _tr_tally_lit(s, s.window[s.strstart-1], bflush); ***/
+ bflush = trees._tr_tally(s, 0, s.window[s.strstart - 1]);
+
+ s.match_available = 0;
+ }
+ s.insert = s.strstart < MIN_MATCH - 1 ? s.strstart : MIN_MATCH - 1;
+ if (flush === Z_FINISH) {
+ /*** FLUSH_BLOCK(s, 1); ***/
+ flush_block_only(s, true);
+ if (s.strm.avail_out === 0) {
+ return BS_FINISH_STARTED;
+ }
+ /***/
+ return BS_FINISH_DONE;
+ }
+ if (s.last_lit) {
+ /*** FLUSH_BLOCK(s, 0); ***/
+ flush_block_only(s, false);
+ if (s.strm.avail_out === 0) {
+ return BS_NEED_MORE;
+ }
+ /***/
+ }
+
+ return BS_BLOCK_DONE;
+}
+
+
+/* ===========================================================================
+ * For Z_RLE, simply look for runs of bytes, generate matches only of distance
+ * one. Do not maintain a hash table. (It will be regenerated if this run of
+ * deflate switches away from Z_RLE.)
+ */
+function deflate_rle(s, flush) {
+ var bflush; /* set if current block must be flushed */
+ var prev; /* byte at distance one to match */
+ var scan, strend; /* scan goes up to strend for length of run */
+
+ var _win = s.window;
+
+ for (;;) {
+ /* Make sure that we always have enough lookahead, except
+ * at the end of the input file. We need MAX_MATCH bytes
+ * for the longest run, plus one for the unrolled loop.
+ */
+ if (s.lookahead <= MAX_MATCH) {
+ fill_window(s);
+ if (s.lookahead <= MAX_MATCH && flush === Z_NO_FLUSH) {
+ return BS_NEED_MORE;
+ }
+ if (s.lookahead === 0) { break; } /* flush the current block */
+ }
+
+ /* See how many times the previous byte repeats */
+ s.match_length = 0;
+ if (s.lookahead >= MIN_MATCH && s.strstart > 0) {
+ scan = s.strstart - 1;
+ prev = _win[scan];
+ if (prev === _win[++scan] && prev === _win[++scan] && prev === _win[++scan]) {
+ strend = s.strstart + MAX_MATCH;
+ do {
+ /*jshint noempty:false*/
+ } while (prev === _win[++scan] && prev === _win[++scan] &&
+ prev === _win[++scan] && prev === _win[++scan] &&
+ prev === _win[++scan] && prev === _win[++scan] &&
+ prev === _win[++scan] && prev === _win[++scan] &&
+ scan < strend);
+ s.match_length = MAX_MATCH - (strend - scan);
+ if (s.match_length > s.lookahead) {
+ s.match_length = s.lookahead;
+ }
+ }
+ //Assert(scan <= s->window+(uInt)(s->window_size-1), "wild scan");
+ }
+
+ /* Emit match if have run of MIN_MATCH or longer, else emit literal */
+ if (s.match_length >= MIN_MATCH) {
+ //check_match(s, s.strstart, s.strstart - 1, s.match_length);
+
+ /*** _tr_tally_dist(s, 1, s.match_length - MIN_MATCH, bflush); ***/
+ bflush = trees._tr_tally(s, 1, s.match_length - MIN_MATCH);
+
+ s.lookahead -= s.match_length;
+ s.strstart += s.match_length;
+ s.match_length = 0;
+ } else {
+ /* No match, output a literal byte */
+ //Tracevv((stderr,"%c", s->window[s->strstart]));
+ /*** _tr_tally_lit(s, s.window[s.strstart], bflush); ***/
+ bflush = trees._tr_tally(s, 0, s.window[s.strstart]);
+
+ s.lookahead--;
+ s.strstart++;
+ }
+ if (bflush) {
+ /*** FLUSH_BLOCK(s, 0); ***/
+ flush_block_only(s, false);
+ if (s.strm.avail_out === 0) {
+ return BS_NEED_MORE;
+ }
+ /***/
+ }
+ }
+ s.insert = 0;
+ if (flush === Z_FINISH) {
+ /*** FLUSH_BLOCK(s, 1); ***/
+ flush_block_only(s, true);
+ if (s.strm.avail_out === 0) {
+ return BS_FINISH_STARTED;
+ }
+ /***/
+ return BS_FINISH_DONE;
+ }
+ if (s.last_lit) {
+ /*** FLUSH_BLOCK(s, 0); ***/
+ flush_block_only(s, false);
+ if (s.strm.avail_out === 0) {
+ return BS_NEED_MORE;
+ }
+ /***/
+ }
+ return BS_BLOCK_DONE;
+}
+
+/* ===========================================================================
+ * For Z_HUFFMAN_ONLY, do not look for matches. Do not maintain a hash table.
+ * (It will be regenerated if this run of deflate switches away from Huffman.)
+ */
+function deflate_huff(s, flush) {
+ var bflush; /* set if current block must be flushed */
+
+ for (;;) {
+ /* Make sure that we have a literal to write. */
+ if (s.lookahead === 0) {
+ fill_window(s);
+ if (s.lookahead === 0) {
+ if (flush === Z_NO_FLUSH) {
+ return BS_NEED_MORE;
+ }
+ break; /* flush the current block */
+ }
+ }
+
+ /* Output a literal byte */
+ s.match_length = 0;
+ //Tracevv((stderr,"%c", s->window[s->strstart]));
+ /*** _tr_tally_lit(s, s.window[s.strstart], bflush); ***/
+ bflush = trees._tr_tally(s, 0, s.window[s.strstart]);
+ s.lookahead--;
+ s.strstart++;
+ if (bflush) {
+ /*** FLUSH_BLOCK(s, 0); ***/
+ flush_block_only(s, false);
+ if (s.strm.avail_out === 0) {
+ return BS_NEED_MORE;
+ }
+ /***/
+ }
+ }
+ s.insert = 0;
+ if (flush === Z_FINISH) {
+ /*** FLUSH_BLOCK(s, 1); ***/
+ flush_block_only(s, true);
+ if (s.strm.avail_out === 0) {
+ return BS_FINISH_STARTED;
+ }
+ /***/
+ return BS_FINISH_DONE;
+ }
+ if (s.last_lit) {
+ /*** FLUSH_BLOCK(s, 0); ***/
+ flush_block_only(s, false);
+ if (s.strm.avail_out === 0) {
+ return BS_NEED_MORE;
+ }
+ /***/
+ }
+ return BS_BLOCK_DONE;
+}
+
+/* Values for max_lazy_match, good_match and max_chain_length, depending on
+ * the desired pack level (0..9). The values given below have been tuned to
+ * exclude worst case performance for pathological files. Better values may be
+ * found for specific files.
+ */
+function Config(good_length, max_lazy, nice_length, max_chain, func) {
+ this.good_length = good_length;
+ this.max_lazy = max_lazy;
+ this.nice_length = nice_length;
+ this.max_chain = max_chain;
+ this.func = func;
+}
+
+var configuration_table;
+
+configuration_table = [
+ /* good lazy nice chain */
+ new Config(0, 0, 0, 0, deflate_stored), /* 0 store only */
+ new Config(4, 4, 8, 4, deflate_fast), /* 1 max speed, no lazy matches */
+ new Config(4, 5, 16, 8, deflate_fast), /* 2 */
+ new Config(4, 6, 32, 32, deflate_fast), /* 3 */
+
+ new Config(4, 4, 16, 16, deflate_slow), /* 4 lazy matches */
+ new Config(8, 16, 32, 32, deflate_slow), /* 5 */
+ new Config(8, 16, 128, 128, deflate_slow), /* 6 */
+ new Config(8, 32, 128, 256, deflate_slow), /* 7 */
+ new Config(32, 128, 258, 1024, deflate_slow), /* 8 */
+ new Config(32, 258, 258, 4096, deflate_slow) /* 9 max compression */
+];
+
+
+/* ===========================================================================
+ * Initialize the "longest match" routines for a new zlib stream
+ */
+function lm_init(s) {
+ s.window_size = 2 * s.w_size;
+
+ /*** CLEAR_HASH(s); ***/
+ zero(s.head); // Fill with NIL (= 0);
+
+ /* Set the default configuration parameters:
+ */
+ s.max_lazy_match = configuration_table[s.level].max_lazy;
+ s.good_match = configuration_table[s.level].good_length;
+ s.nice_match = configuration_table[s.level].nice_length;
+ s.max_chain_length = configuration_table[s.level].max_chain;
+
+ s.strstart = 0;
+ s.block_start = 0;
+ s.lookahead = 0;
+ s.insert = 0;
+ s.match_length = s.prev_length = MIN_MATCH - 1;
+ s.match_available = 0;
+ s.ins_h = 0;
+}
+
+
+function DeflateState() {
+ this.strm = null; /* pointer back to this zlib stream */
+ this.status = 0; /* as the name implies */
+ this.pending_buf = null; /* output still pending */
+ this.pending_buf_size = 0; /* size of pending_buf */
+ this.pending_out = 0; /* next pending byte to output to the stream */
+ this.pending = 0; /* nb of bytes in the pending buffer */
+ this.wrap = 0; /* bit 0 true for zlib, bit 1 true for gzip */
+ this.gzhead = null; /* gzip header information to write */
+ this.gzindex = 0; /* where in extra, name, or comment */
+ this.method = Z_DEFLATED; /* can only be DEFLATED */
+ this.last_flush = -1; /* value of flush param for previous deflate call */
+
+ this.w_size = 0; /* LZ77 window size (32K by default) */
+ this.w_bits = 0; /* log2(w_size) (8..16) */
+ this.w_mask = 0; /* w_size - 1 */
+
+ this.window = null;
+ /* Sliding window. Input bytes are read into the second half of the window,
+ * and move to the first half later to keep a dictionary of at least wSize
+ * bytes. With this organization, matches are limited to a distance of
+ * wSize-MAX_MATCH bytes, but this ensures that IO is always
+ * performed with a length multiple of the block size.
+ */
+
+ this.window_size = 0;
+ /* Actual size of window: 2*wSize, except when the user input buffer
+ * is directly used as sliding window.
+ */
+
+ this.prev = null;
+ /* Link to older string with same hash index. To limit the size of this
+ * array to 64K, this link is maintained only for the last 32K strings.
+ * An index in this array is thus a window index modulo 32K.
+ */
+
+ this.head = null; /* Heads of the hash chains or NIL. */
+
+ this.ins_h = 0; /* hash index of string to be inserted */
+ this.hash_size = 0; /* number of elements in hash table */
+ this.hash_bits = 0; /* log2(hash_size) */
+ this.hash_mask = 0; /* hash_size-1 */
+
+ this.hash_shift = 0;
+ /* Number of bits by which ins_h must be shifted at each input
+ * step. It must be such that after MIN_MATCH steps, the oldest
+ * byte no longer takes part in the hash key, that is:
+ * hash_shift * MIN_MATCH >= hash_bits
+ */
+
+ this.block_start = 0;
+ /* Window position at the beginning of the current output block. Gets
+ * negative when the window is moved backwards.
+ */
+
+ this.match_length = 0; /* length of best match */
+ this.prev_match = 0; /* previous match */
+ this.match_available = 0; /* set if previous match exists */
+ this.strstart = 0; /* start of string to insert */
+ this.match_start = 0; /* start of matching string */
+ this.lookahead = 0; /* number of valid bytes ahead in window */
+
+ this.prev_length = 0;
+ /* Length of the best match at previous step. Matches not greater than this
+ * are discarded. This is used in the lazy match evaluation.
+ */
+
+ this.max_chain_length = 0;
+ /* To speed up deflation, hash chains are never searched beyond this
+ * length. A higher limit improves compression ratio but degrades the
+ * speed.
+ */
+
+ this.max_lazy_match = 0;
+ /* Attempt to find a better match only when the current match is strictly
+ * smaller than this value. This mechanism is used only for compression
+ * levels >= 4.
+ */
+ // That's alias to max_lazy_match, don't use directly
+ //this.max_insert_length = 0;
+ /* Insert new strings in the hash table only if the match length is not
+ * greater than this length. This saves time but degrades compression.
+ * max_insert_length is used only for compression levels <= 3.
+ */
+
+ this.level = 0; /* compression level (1..9) */
+ this.strategy = 0; /* favor or force Huffman coding*/
+
+ this.good_match = 0;
+ /* Use a faster search when the previous match is longer than this */
+
+ this.nice_match = 0; /* Stop searching when current match exceeds this */
+
+ /* used by trees.c: */
+
+ /* Didn't use ct_data typedef below to suppress compiler warning */
+
+ // struct ct_data_s dyn_ltree[HEAP_SIZE]; /* literal and length tree */
+ // struct ct_data_s dyn_dtree[2*D_CODES+1]; /* distance tree */
+ // struct ct_data_s bl_tree[2*BL_CODES+1]; /* Huffman tree for bit lengths */
+
+ // Use flat array of DOUBLE size, with interleaved fata,
+ // because JS does not support effective
+ this.dyn_ltree = new utils.Buf16(HEAP_SIZE * 2);
+ this.dyn_dtree = new utils.Buf16((2 * D_CODES + 1) * 2);
+ this.bl_tree = new utils.Buf16((2 * BL_CODES + 1) * 2);
+ zero(this.dyn_ltree);
+ zero(this.dyn_dtree);
+ zero(this.bl_tree);
+
+ this.l_desc = null; /* desc. for literal tree */
+ this.d_desc = null; /* desc. for distance tree */
+ this.bl_desc = null; /* desc. for bit length tree */
+
+ //ush bl_count[MAX_BITS+1];
+ this.bl_count = new utils.Buf16(MAX_BITS + 1);
+ /* number of codes at each bit length for an optimal tree */
+
+ //int heap[2*L_CODES+1]; /* heap used to build the Huffman trees */
+ this.heap = new utils.Buf16(2 * L_CODES + 1); /* heap used to build the Huffman trees */
+ zero(this.heap);
+
+ this.heap_len = 0; /* number of elements in the heap */
+ this.heap_max = 0; /* element of largest frequency */
+ /* The sons of heap[n] are heap[2*n] and heap[2*n+1]. heap[0] is not used.
+ * The same heap array is used to build all trees.
+ */
+
+ this.depth = new utils.Buf16(2 * L_CODES + 1); //uch depth[2*L_CODES+1];
+ zero(this.depth);
+ /* Depth of each subtree used as tie breaker for trees of equal frequency
+ */
+
+ this.l_buf = 0; /* buffer index for literals or lengths */
+
+ this.lit_bufsize = 0;
+ /* Size of match buffer for literals/lengths. There are 4 reasons for
+ * limiting lit_bufsize to 64K:
+ * - frequencies can be kept in 16 bit counters
+ * - if compression is not successful for the first block, all input
+ * data is still in the window so we can still emit a stored block even
+ * when input comes from standard input. (This can also be done for
+ * all blocks if lit_bufsize is not greater than 32K.)
+ * - if compression is not successful for a file smaller than 64K, we can
+ * even emit a stored file instead of a stored block (saving 5 bytes).
+ * This is applicable only for zip (not gzip or zlib).
+ * - creating new Huffman trees less frequently may not provide fast
+ * adaptation to changes in the input data statistics. (Take for
+ * example a binary file with poorly compressible code followed by
+ * a highly compressible string table.) Smaller buffer sizes give
+ * fast adaptation but have of course the overhead of transmitting
+ * trees more frequently.
+ * - I can't count above 4
+ */
+
+ this.last_lit = 0; /* running index in l_buf */
+
+ this.d_buf = 0;
+ /* Buffer index for distances. To simplify the code, d_buf and l_buf have
+ * the same number of elements. To use different lengths, an extra flag
+ * array would be necessary.
+ */
+
+ this.opt_len = 0; /* bit length of current block with optimal trees */
+ this.static_len = 0; /* bit length of current block with static trees */
+ this.matches = 0; /* number of string matches in current block */
+ this.insert = 0; /* bytes at end of window left to insert */
+
+
+ this.bi_buf = 0;
+ /* Output buffer. bits are inserted starting at the bottom (least
+ * significant bits).
+ */
+ this.bi_valid = 0;
+ /* Number of valid bits in bi_buf. All bits above the last valid bit
+ * are always zero.
+ */
+
+ // Used for window memory init. We safely ignore it for JS. That makes
+ // sense only for pointers and memory check tools.
+ //this.high_water = 0;
+ /* High water mark offset in window for initialized bytes -- bytes above
+ * this are set to zero in order to avoid memory check warnings when
+ * longest match routines access bytes past the input. This is then
+ * updated to the new high water mark.
+ */
+}
+
+
+function deflateResetKeep(strm) {
+ var s;
+
+ if (!strm || !strm.state) {
+ return err(strm, Z_STREAM_ERROR);
+ }
+
+ strm.total_in = strm.total_out = 0;
+ strm.data_type = Z_UNKNOWN;
+
+ s = strm.state;
+ s.pending = 0;
+ s.pending_out = 0;
+
+ if (s.wrap < 0) {
+ s.wrap = -s.wrap;
+ /* was made negative by deflate(..., Z_FINISH); */
+ }
+ s.status = (s.wrap ? INIT_STATE : BUSY_STATE);
+ strm.adler = (s.wrap === 2) ?
+ 0 // crc32(0, Z_NULL, 0)
+ :
+ 1; // adler32(0, Z_NULL, 0)
+ s.last_flush = Z_NO_FLUSH;
+ trees._tr_init(s);
+ return Z_OK;
+}
+
+
+function deflateReset(strm) {
+ var ret = deflateResetKeep(strm);
+ if (ret === Z_OK) {
+ lm_init(strm.state);
+ }
+ return ret;
+}
+
+
+function deflateSetHeader(strm, head) {
+ if (!strm || !strm.state) { return Z_STREAM_ERROR; }
+ if (strm.state.wrap !== 2) { return Z_STREAM_ERROR; }
+ strm.state.gzhead = head;
+ return Z_OK;
+}
+
+
+function deflateInit2(strm, level, method, windowBits, memLevel, strategy) {
+ if (!strm) { // === Z_NULL
+ return Z_STREAM_ERROR;
+ }
+ var wrap = 1;
+
+ if (level === Z_DEFAULT_COMPRESSION) {
+ level = 6;
+ }
+
+ if (windowBits < 0) { /* suppress zlib wrapper */
+ wrap = 0;
+ windowBits = -windowBits;
+ }
+
+ else if (windowBits > 15) {
+ wrap = 2; /* write gzip wrapper instead */
+ windowBits -= 16;
+ }
+
+
+ if (memLevel < 1 || memLevel > MAX_MEM_LEVEL || method !== Z_DEFLATED ||
+ windowBits < 8 || windowBits > 15 || level < 0 || level > 9 ||
+ strategy < 0 || strategy > Z_FIXED) {
+ return err(strm, Z_STREAM_ERROR);
+ }
+
+
+ if (windowBits === 8) {
+ windowBits = 9;
+ }
+ /* until 256-byte window bug fixed */
+
+ var s = new DeflateState();
+
+ strm.state = s;
+ s.strm = strm;
+
+ s.wrap = wrap;
+ s.gzhead = null;
+ s.w_bits = windowBits;
+ s.w_size = 1 << s.w_bits;
+ s.w_mask = s.w_size - 1;
+
+ s.hash_bits = memLevel + 7;
+ s.hash_size = 1 << s.hash_bits;
+ s.hash_mask = s.hash_size - 1;
+ s.hash_shift = ~~((s.hash_bits + MIN_MATCH - 1) / MIN_MATCH);
+
+ s.window = new utils.Buf8(s.w_size * 2);
+ s.head = new utils.Buf16(s.hash_size);
+ s.prev = new utils.Buf16(s.w_size);
+
+ // Don't need mem init magic for JS.
+ //s.high_water = 0; /* nothing written to s->window yet */
+
+ s.lit_bufsize = 1 << (memLevel + 6); /* 16K elements by default */
+
+ s.pending_buf_size = s.lit_bufsize * 4;
+
+ //overlay = (ushf *) ZALLOC(strm, s->lit_bufsize, sizeof(ush)+2);
+ //s->pending_buf = (uchf *) overlay;
+ s.pending_buf = new utils.Buf8(s.pending_buf_size);
+
+ // It is offset from `s.pending_buf` (size is `s.lit_bufsize * 2`)
+ //s->d_buf = overlay + s->lit_bufsize/sizeof(ush);
+ s.d_buf = 1 * s.lit_bufsize;
+
+ //s->l_buf = s->pending_buf + (1+sizeof(ush))*s->lit_bufsize;
+ s.l_buf = (1 + 2) * s.lit_bufsize;
+
+ s.level = level;
+ s.strategy = strategy;
+ s.method = method;
+
+ return deflateReset(strm);
+}
+
+function deflateInit(strm, level) {
+ return deflateInit2(strm, level, Z_DEFLATED, MAX_WBITS, DEF_MEM_LEVEL, Z_DEFAULT_STRATEGY);
+}
+
+
+function deflate(strm, flush) {
+ var old_flush, s;
+ var beg, val; // for gzip header write only
+
+ if (!strm || !strm.state ||
+ flush > Z_BLOCK || flush < 0) {
+ return strm ? err(strm, Z_STREAM_ERROR) : Z_STREAM_ERROR;
+ }
+
+ s = strm.state;
+
+ if (!strm.output ||
+ (!strm.input && strm.avail_in !== 0) ||
+ (s.status === FINISH_STATE && flush !== Z_FINISH)) {
+ return err(strm, (strm.avail_out === 0) ? Z_BUF_ERROR : Z_STREAM_ERROR);
+ }
+
+ s.strm = strm; /* just in case */
+ old_flush = s.last_flush;
+ s.last_flush = flush;
+
+ /* Write the header */
+ if (s.status === INIT_STATE) {
+
+ if (s.wrap === 2) { // GZIP header
+ strm.adler = 0; //crc32(0L, Z_NULL, 0);
+ put_byte(s, 31);
+ put_byte(s, 139);
+ put_byte(s, 8);
+ if (!s.gzhead) { // s->gzhead == Z_NULL
+ put_byte(s, 0);
+ put_byte(s, 0);
+ put_byte(s, 0);
+ put_byte(s, 0);
+ put_byte(s, 0);
+ put_byte(s, s.level === 9 ? 2 :
+ (s.strategy >= Z_HUFFMAN_ONLY || s.level < 2 ?
+ 4 : 0));
+ put_byte(s, OS_CODE);
+ s.status = BUSY_STATE;
+ }
+ else {
+ put_byte(s, (s.gzhead.text ? 1 : 0) +
+ (s.gzhead.hcrc ? 2 : 0) +
+ (!s.gzhead.extra ? 0 : 4) +
+ (!s.gzhead.name ? 0 : 8) +
+ (!s.gzhead.comment ? 0 : 16)
+ );
+ put_byte(s, s.gzhead.time & 0xff);
+ put_byte(s, (s.gzhead.time >> 8) & 0xff);
+ put_byte(s, (s.gzhead.time >> 16) & 0xff);
+ put_byte(s, (s.gzhead.time >> 24) & 0xff);
+ put_byte(s, s.level === 9 ? 2 :
+ (s.strategy >= Z_HUFFMAN_ONLY || s.level < 2 ?
+ 4 : 0));
+ put_byte(s, s.gzhead.os & 0xff);
+ if (s.gzhead.extra && s.gzhead.extra.length) {
+ put_byte(s, s.gzhead.extra.length & 0xff);
+ put_byte(s, (s.gzhead.extra.length >> 8) & 0xff);
+ }
+ if (s.gzhead.hcrc) {
+ strm.adler = crc32(strm.adler, s.pending_buf, s.pending, 0);
+ }
+ s.gzindex = 0;
+ s.status = EXTRA_STATE;
+ }
+ }
+ else // DEFLATE header
+ {
+ var header = (Z_DEFLATED + ((s.w_bits - 8) << 4)) << 8;
+ var level_flags = -1;
+
+ if (s.strategy >= Z_HUFFMAN_ONLY || s.level < 2) {
+ level_flags = 0;
+ } else if (s.level < 6) {
+ level_flags = 1;
+ } else if (s.level === 6) {
+ level_flags = 2;
+ } else {
+ level_flags = 3;
+ }
+ header |= (level_flags << 6);
+ if (s.strstart !== 0) { header |= PRESET_DICT; }
+ header += 31 - (header % 31);
+
+ s.status = BUSY_STATE;
+ putShortMSB(s, header);
+
+ /* Save the adler32 of the preset dictionary: */
+ if (s.strstart !== 0) {
+ putShortMSB(s, strm.adler >>> 16);
+ putShortMSB(s, strm.adler & 0xffff);
+ }
+ strm.adler = 1; // adler32(0L, Z_NULL, 0);
+ }
+ }
+
+//#ifdef GZIP
+ if (s.status === EXTRA_STATE) {
+ if (s.gzhead.extra/* != Z_NULL*/) {
+ beg = s.pending; /* start of bytes to update crc */
+
+ while (s.gzindex < (s.gzhead.extra.length & 0xffff)) {
+ if (s.pending === s.pending_buf_size) {
+ if (s.gzhead.hcrc && s.pending > beg) {
+ strm.adler = crc32(strm.adler, s.pending_buf, s.pending - beg, beg);
+ }
+ flush_pending(strm);
+ beg = s.pending;
+ if (s.pending === s.pending_buf_size) {
+ break;
+ }
+ }
+ put_byte(s, s.gzhead.extra[s.gzindex] & 0xff);
+ s.gzindex++;
+ }
+ if (s.gzhead.hcrc && s.pending > beg) {
+ strm.adler = crc32(strm.adler, s.pending_buf, s.pending - beg, beg);
+ }
+ if (s.gzindex === s.gzhead.extra.length) {
+ s.gzindex = 0;
+ s.status = NAME_STATE;
+ }
+ }
+ else {
+ s.status = NAME_STATE;
+ }
+ }
+ if (s.status === NAME_STATE) {
+ if (s.gzhead.name/* != Z_NULL*/) {
+ beg = s.pending; /* start of bytes to update crc */
+ //int val;
+
+ do {
+ if (s.pending === s.pending_buf_size) {
+ if (s.gzhead.hcrc && s.pending > beg) {
+ strm.adler = crc32(strm.adler, s.pending_buf, s.pending - beg, beg);
+ }
+ flush_pending(strm);
+ beg = s.pending;
+ if (s.pending === s.pending_buf_size) {
+ val = 1;
+ break;
+ }
+ }
+ // JS specific: little magic to add zero terminator to end of string
+ if (s.gzindex < s.gzhead.name.length) {
+ val = s.gzhead.name.charCodeAt(s.gzindex++) & 0xff;
+ } else {
+ val = 0;
+ }
+ put_byte(s, val);
+ } while (val !== 0);
+
+ if (s.gzhead.hcrc && s.pending > beg) {
+ strm.adler = crc32(strm.adler, s.pending_buf, s.pending - beg, beg);
+ }
+ if (val === 0) {
+ s.gzindex = 0;
+ s.status = COMMENT_STATE;
+ }
+ }
+ else {
+ s.status = COMMENT_STATE;
+ }
+ }
+ if (s.status === COMMENT_STATE) {
+ if (s.gzhead.comment/* != Z_NULL*/) {
+ beg = s.pending; /* start of bytes to update crc */
+ //int val;
+
+ do {
+ if (s.pending === s.pending_buf_size) {
+ if (s.gzhead.hcrc && s.pending > beg) {
+ strm.adler = crc32(strm.adler, s.pending_buf, s.pending - beg, beg);
+ }
+ flush_pending(strm);
+ beg = s.pending;
+ if (s.pending === s.pending_buf_size) {
+ val = 1;
+ break;
+ }
+ }
+ // JS specific: little magic to add zero terminator to end of string
+ if (s.gzindex < s.gzhead.comment.length) {
+ val = s.gzhead.comment.charCodeAt(s.gzindex++) & 0xff;
+ } else {
+ val = 0;
+ }
+ put_byte(s, val);
+ } while (val !== 0);
+
+ if (s.gzhead.hcrc && s.pending > beg) {
+ strm.adler = crc32(strm.adler, s.pending_buf, s.pending - beg, beg);
+ }
+ if (val === 0) {
+ s.status = HCRC_STATE;
+ }
+ }
+ else {
+ s.status = HCRC_STATE;
+ }
+ }
+ if (s.status === HCRC_STATE) {
+ if (s.gzhead.hcrc) {
+ if (s.pending + 2 > s.pending_buf_size) {
+ flush_pending(strm);
+ }
+ if (s.pending + 2 <= s.pending_buf_size) {
+ put_byte(s, strm.adler & 0xff);
+ put_byte(s, (strm.adler >> 8) & 0xff);
+ strm.adler = 0; //crc32(0L, Z_NULL, 0);
+ s.status = BUSY_STATE;
+ }
+ }
+ else {
+ s.status = BUSY_STATE;
+ }
+ }
+//#endif
+
+ /* Flush as much pending output as possible */
+ if (s.pending !== 0) {
+ flush_pending(strm);
+ if (strm.avail_out === 0) {
+ /* Since avail_out is 0, deflate will be called again with
+ * more output space, but possibly with both pending and
+ * avail_in equal to zero. There won't be anything to do,
+ * but this is not an error situation so make sure we
+ * return OK instead of BUF_ERROR at next call of deflate:
+ */
+ s.last_flush = -1;
+ return Z_OK;
+ }
+
+ /* Make sure there is something to do and avoid duplicate consecutive
+ * flushes. For repeated and useless calls with Z_FINISH, we keep
+ * returning Z_STREAM_END instead of Z_BUF_ERROR.
+ */
+ } else if (strm.avail_in === 0 && rank(flush) <= rank(old_flush) &&
+ flush !== Z_FINISH) {
+ return err(strm, Z_BUF_ERROR);
+ }
+
+ /* User must not provide more input after the first FINISH: */
+ if (s.status === FINISH_STATE && strm.avail_in !== 0) {
+ return err(strm, Z_BUF_ERROR);
+ }
+
+ /* Start a new block or continue the current one.
+ */
+ if (strm.avail_in !== 0 || s.lookahead !== 0 ||
+ (flush !== Z_NO_FLUSH && s.status !== FINISH_STATE)) {
+ var bstate = (s.strategy === Z_HUFFMAN_ONLY) ? deflate_huff(s, flush) :
+ (s.strategy === Z_RLE ? deflate_rle(s, flush) :
+ configuration_table[s.level].func(s, flush));
+
+ if (bstate === BS_FINISH_STARTED || bstate === BS_FINISH_DONE) {
+ s.status = FINISH_STATE;
+ }
+ if (bstate === BS_NEED_MORE || bstate === BS_FINISH_STARTED) {
+ if (strm.avail_out === 0) {
+ s.last_flush = -1;
+ /* avoid BUF_ERROR next call, see above */
+ }
+ return Z_OK;
+ /* If flush != Z_NO_FLUSH && avail_out == 0, the next call
+ * of deflate should use the same flush parameter to make sure
+ * that the flush is complete. So we don't have to output an
+ * empty block here, this will be done at next call. This also
+ * ensures that for a very small output buffer, we emit at most
+ * one empty block.
+ */
+ }
+ if (bstate === BS_BLOCK_DONE) {
+ if (flush === Z_PARTIAL_FLUSH) {
+ trees._tr_align(s);
+ }
+ else if (flush !== Z_BLOCK) { /* FULL_FLUSH or SYNC_FLUSH */
+
+ trees._tr_stored_block(s, 0, 0, false);
+ /* For a full flush, this empty block will be recognized
+ * as a special marker by inflate_sync().
+ */
+ if (flush === Z_FULL_FLUSH) {
+ /*** CLEAR_HASH(s); ***/ /* forget history */
+ zero(s.head); // Fill with NIL (= 0);
+
+ if (s.lookahead === 0) {
+ s.strstart = 0;
+ s.block_start = 0;
+ s.insert = 0;
+ }
+ }
+ }
+ flush_pending(strm);
+ if (strm.avail_out === 0) {
+ s.last_flush = -1; /* avoid BUF_ERROR at next call, see above */
+ return Z_OK;
+ }
+ }
+ }
+ //Assert(strm->avail_out > 0, "bug2");
+ //if (strm.avail_out <= 0) { throw new Error("bug2");}
+
+ if (flush !== Z_FINISH) { return Z_OK; }
+ if (s.wrap <= 0) { return Z_STREAM_END; }
+
+ /* Write the trailer */
+ if (s.wrap === 2) {
+ put_byte(s, strm.adler & 0xff);
+ put_byte(s, (strm.adler >> 8) & 0xff);
+ put_byte(s, (strm.adler >> 16) & 0xff);
+ put_byte(s, (strm.adler >> 24) & 0xff);
+ put_byte(s, strm.total_in & 0xff);
+ put_byte(s, (strm.total_in >> 8) & 0xff);
+ put_byte(s, (strm.total_in >> 16) & 0xff);
+ put_byte(s, (strm.total_in >> 24) & 0xff);
+ }
+ else
+ {
+ putShortMSB(s, strm.adler >>> 16);
+ putShortMSB(s, strm.adler & 0xffff);
+ }
+
+ flush_pending(strm);
+ /* If avail_out is zero, the application will call deflate again
+ * to flush the rest.
+ */
+ if (s.wrap > 0) { s.wrap = -s.wrap; }
+ /* write the trailer only once! */
+ return s.pending !== 0 ? Z_OK : Z_STREAM_END;
+}
+
+function deflateEnd(strm) {
+ var status;
+
+ if (!strm/*== Z_NULL*/ || !strm.state/*== Z_NULL*/) {
+ return Z_STREAM_ERROR;
+ }
+
+ status = strm.state.status;
+ if (status !== INIT_STATE &&
+ status !== EXTRA_STATE &&
+ status !== NAME_STATE &&
+ status !== COMMENT_STATE &&
+ status !== HCRC_STATE &&
+ status !== BUSY_STATE &&
+ status !== FINISH_STATE
+ ) {
+ return err(strm, Z_STREAM_ERROR);
+ }
+
+ strm.state = null;
+
+ return status === BUSY_STATE ? err(strm, Z_DATA_ERROR) : Z_OK;
+}
+
+
+/* =========================================================================
+ * Initializes the compression dictionary from the given byte
+ * sequence without producing any compressed output.
+ */
+function deflateSetDictionary(strm, dictionary) {
+ var dictLength = dictionary.length;
+
+ var s;
+ var str, n;
+ var wrap;
+ var avail;
+ var next;
+ var input;
+ var tmpDict;
+
+ if (!strm/*== Z_NULL*/ || !strm.state/*== Z_NULL*/) {
+ return Z_STREAM_ERROR;
+ }
+
+ s = strm.state;
+ wrap = s.wrap;
+
+ if (wrap === 2 || (wrap === 1 && s.status !== INIT_STATE) || s.lookahead) {
+ return Z_STREAM_ERROR;
+ }
+
+ /* when using zlib wrappers, compute Adler-32 for provided dictionary */
+ if (wrap === 1) {
+ /* adler32(strm->adler, dictionary, dictLength); */
+ strm.adler = adler32(strm.adler, dictionary, dictLength, 0);
+ }
+
+ s.wrap = 0; /* avoid computing Adler-32 in read_buf */
+
+ /* if dictionary would fill window, just replace the history */
+ if (dictLength >= s.w_size) {
+ if (wrap === 0) { /* already empty otherwise */
+ /*** CLEAR_HASH(s); ***/
+ zero(s.head); // Fill with NIL (= 0);
+ s.strstart = 0;
+ s.block_start = 0;
+ s.insert = 0;
+ }
+ /* use the tail */
+ // dictionary = dictionary.slice(dictLength - s.w_size);
+ tmpDict = new utils.Buf8(s.w_size);
+ utils.arraySet(tmpDict, dictionary, dictLength - s.w_size, s.w_size, 0);
+ dictionary = tmpDict;
+ dictLength = s.w_size;
+ }
+ /* insert dictionary into window and hash */
+ avail = strm.avail_in;
+ next = strm.next_in;
+ input = strm.input;
+ strm.avail_in = dictLength;
+ strm.next_in = 0;
+ strm.input = dictionary;
+ fill_window(s);
+ while (s.lookahead >= MIN_MATCH) {
+ str = s.strstart;
+ n = s.lookahead - (MIN_MATCH - 1);
+ do {
+ /* UPDATE_HASH(s, s->ins_h, s->window[str + MIN_MATCH-1]); */
+ s.ins_h = ((s.ins_h << s.hash_shift) ^ s.window[str + MIN_MATCH - 1]) & s.hash_mask;
+
+ s.prev[str & s.w_mask] = s.head[s.ins_h];
+
+ s.head[s.ins_h] = str;
+ str++;
+ } while (--n);
+ s.strstart = str;
+ s.lookahead = MIN_MATCH - 1;
+ fill_window(s);
+ }
+ s.strstart += s.lookahead;
+ s.block_start = s.strstart;
+ s.insert = s.lookahead;
+ s.lookahead = 0;
+ s.match_length = s.prev_length = MIN_MATCH - 1;
+ s.match_available = 0;
+ strm.next_in = next;
+ strm.input = input;
+ strm.avail_in = avail;
+ s.wrap = wrap;
+ return Z_OK;
+}
+
+
+exports.deflateInit = deflateInit;
+exports.deflateInit2 = deflateInit2;
+exports.deflateReset = deflateReset;
+exports.deflateResetKeep = deflateResetKeep;
+exports.deflateSetHeader = deflateSetHeader;
+exports.deflate = deflate;
+exports.deflateEnd = deflateEnd;
+exports.deflateSetDictionary = deflateSetDictionary;
+exports.deflateInfo = 'pako deflate (from Nodeca project)';
+
+/* Not implemented
+exports.deflateBound = deflateBound;
+exports.deflateCopy = deflateCopy;
+exports.deflateParams = deflateParams;
+exports.deflatePending = deflatePending;
+exports.deflatePrime = deflatePrime;
+exports.deflateTune = deflateTune;
+*/
+
+},{"../utils/common":318,"./adler32":319,"./crc32":321,"./messages":326,"./trees":327}],323:[function(require,module,exports){
+'use strict';
+
+// (C) 1995-2013 Jean-loup Gailly and Mark Adler
+// (C) 2014-2017 Vitaly Puzrin and Andrey Tupitsin
+//
+// This software is provided 'as-is', without any express or implied
+// warranty. In no event will the authors be held liable for any damages
+// arising from the use of this software.
+//
+// Permission is granted to anyone to use this software for any purpose,
+// including commercial applications, and to alter it and redistribute it
+// freely, subject to the following restrictions:
+//
+// 1. The origin of this software must not be misrepresented; you must not
+// claim that you wrote the original software. If you use this software
+// in a product, an acknowledgment in the product documentation would be
+// appreciated but is not required.
+// 2. Altered source versions must be plainly marked as such, and must not be
+// misrepresented as being the original software.
+// 3. This notice may not be removed or altered from any source distribution.
+
+// See state defs from inflate.js
+var BAD = 30; /* got a data error -- remain here until reset */
+var TYPE = 12; /* i: waiting for type bits, including last-flag bit */
+
+/*
+ Decode literal, length, and distance codes and write out the resulting
+ literal and match bytes until either not enough input or output is
+ available, an end-of-block is encountered, or a data error is encountered.
+ When large enough input and output buffers are supplied to inflate(), for
+ example, a 16K input buffer and a 64K output buffer, more than 95% of the
+ inflate execution time is spent in this routine.
+
+ Entry assumptions:
+
+ state.mode === LEN
+ strm.avail_in >= 6
+ strm.avail_out >= 258
+ start >= strm.avail_out
+ state.bits < 8
+
+ On return, state.mode is one of:
+
+ LEN -- ran out of enough output space or enough available input
+ TYPE -- reached end of block code, inflate() to interpret next block
+ BAD -- error in block data
+
+ Notes:
+
+ - The maximum input bits used by a length/distance pair is 15 bits for the
+ length code, 5 bits for the length extra, 15 bits for the distance code,
+ and 13 bits for the distance extra. This totals 48 bits, or six bytes.
+ Therefore if strm.avail_in >= 6, then there is enough input to avoid
+ checking for available input while decoding.
+
+ - The maximum bytes that a single length/distance pair can output is 258
+ bytes, which is the maximum length that can be coded. inflate_fast()
+ requires strm.avail_out >= 258 for each loop to avoid checking for
+ output space.
+ */
+module.exports = function inflate_fast(strm, start) {
+ var state;
+ var _in; /* local strm.input */
+ var last; /* have enough input while in < last */
+ var _out; /* local strm.output */
+ var beg; /* inflate()'s initial strm.output */
+ var end; /* while out < end, enough space available */
+//#ifdef INFLATE_STRICT
+ var dmax; /* maximum distance from zlib header */
+//#endif
+ var wsize; /* window size or zero if not using window */
+ var whave; /* valid bytes in the window */
+ var wnext; /* window write index */
+ // Use `s_window` instead `window`, avoid conflict with instrumentation tools
+ var s_window; /* allocated sliding window, if wsize != 0 */
+ var hold; /* local strm.hold */
+ var bits; /* local strm.bits */
+ var lcode; /* local strm.lencode */
+ var dcode; /* local strm.distcode */
+ var lmask; /* mask for first level of length codes */
+ var dmask; /* mask for first level of distance codes */
+ var here; /* retrieved table entry */
+ var op; /* code bits, operation, extra bits, or */
+ /* window position, window bytes to copy */
+ var len; /* match length, unused bytes */
+ var dist; /* match distance */
+ var from; /* where to copy match from */
+ var from_source;
+
+
+ var input, output; // JS specific, because we have no pointers
+
+ /* copy state to local variables */
+ state = strm.state;
+ //here = state.here;
+ _in = strm.next_in;
+ input = strm.input;
+ last = _in + (strm.avail_in - 5);
+ _out = strm.next_out;
+ output = strm.output;
+ beg = _out - (start - strm.avail_out);
+ end = _out + (strm.avail_out - 257);
+//#ifdef INFLATE_STRICT
+ dmax = state.dmax;
+//#endif
+ wsize = state.wsize;
+ whave = state.whave;
+ wnext = state.wnext;
+ s_window = state.window;
+ hold = state.hold;
+ bits = state.bits;
+ lcode = state.lencode;
+ dcode = state.distcode;
+ lmask = (1 << state.lenbits) - 1;
+ dmask = (1 << state.distbits) - 1;
+
+
+ /* decode literals and length/distances until end-of-block or not enough
+ input data or output space */
+
+ top:
+ do {
+ if (bits < 15) {
+ hold += input[_in++] << bits;
+ bits += 8;
+ hold += input[_in++] << bits;
+ bits += 8;
+ }
+
+ here = lcode[hold & lmask];
+
+ dolen:
+ for (;;) { // Goto emulation
+ op = here >>> 24/*here.bits*/;
+ hold >>>= op;
+ bits -= op;
+ op = (here >>> 16) & 0xff/*here.op*/;
+ if (op === 0) { /* literal */
+ //Tracevv((stderr, here.val >= 0x20 && here.val < 0x7f ?
+ // "inflate: literal '%c'\n" :
+ // "inflate: literal 0x%02x\n", here.val));
+ output[_out++] = here & 0xffff/*here.val*/;
+ }
+ else if (op & 16) { /* length base */
+ len = here & 0xffff/*here.val*/;
+ op &= 15; /* number of extra bits */
+ if (op) {
+ if (bits < op) {
+ hold += input[_in++] << bits;
+ bits += 8;
+ }
+ len += hold & ((1 << op) - 1);
+ hold >>>= op;
+ bits -= op;
+ }
+ //Tracevv((stderr, "inflate: length %u\n", len));
+ if (bits < 15) {
+ hold += input[_in++] << bits;
+ bits += 8;
+ hold += input[_in++] << bits;
+ bits += 8;
+ }
+ here = dcode[hold & dmask];
+
+ dodist:
+ for (;;) { // goto emulation
+ op = here >>> 24/*here.bits*/;
+ hold >>>= op;
+ bits -= op;
+ op = (here >>> 16) & 0xff/*here.op*/;
+
+ if (op & 16) { /* distance base */
+ dist = here & 0xffff/*here.val*/;
+ op &= 15; /* number of extra bits */
+ if (bits < op) {
+ hold += input[_in++] << bits;
+ bits += 8;
+ if (bits < op) {
+ hold += input[_in++] << bits;
+ bits += 8;
+ }
+ }
+ dist += hold & ((1 << op) - 1);
+//#ifdef INFLATE_STRICT
+ if (dist > dmax) {
+ strm.msg = 'invalid distance too far back';
+ state.mode = BAD;
+ break top;
+ }
+//#endif
+ hold >>>= op;
+ bits -= op;
+ //Tracevv((stderr, "inflate: distance %u\n", dist));
+ op = _out - beg; /* max distance in output */
+ if (dist > op) { /* see if copy from window */
+ op = dist - op; /* distance back in window */
+ if (op > whave) {
+ if (state.sane) {
+ strm.msg = 'invalid distance too far back';
+ state.mode = BAD;
+ break top;
+ }
+
+// (!) This block is disabled in zlib defaults,
+// don't enable it for binary compatibility
+//#ifdef INFLATE_ALLOW_INVALID_DISTANCE_TOOFAR_ARRR
+// if (len <= op - whave) {
+// do {
+// output[_out++] = 0;
+// } while (--len);
+// continue top;
+// }
+// len -= op - whave;
+// do {
+// output[_out++] = 0;
+// } while (--op > whave);
+// if (op === 0) {
+// from = _out - dist;
+// do {
+// output[_out++] = output[from++];
+// } while (--len);
+// continue top;
+// }
+//#endif
+ }
+ from = 0; // window index
+ from_source = s_window;
+ if (wnext === 0) { /* very common case */
+ from += wsize - op;
+ if (op < len) { /* some from window */
+ len -= op;
+ do {
+ output[_out++] = s_window[from++];
+ } while (--op);
+ from = _out - dist; /* rest from output */
+ from_source = output;
+ }
+ }
+ else if (wnext < op) { /* wrap around window */
+ from += wsize + wnext - op;
+ op -= wnext;
+ if (op < len) { /* some from end of window */
+ len -= op;
+ do {
+ output[_out++] = s_window[from++];
+ } while (--op);
+ from = 0;
+ if (wnext < len) { /* some from start of window */
+ op = wnext;
+ len -= op;
+ do {
+ output[_out++] = s_window[from++];
+ } while (--op);
+ from = _out - dist; /* rest from output */
+ from_source = output;
+ }
+ }
+ }
+ else { /* contiguous in window */
+ from += wnext - op;
+ if (op < len) { /* some from window */
+ len -= op;
+ do {
+ output[_out++] = s_window[from++];
+ } while (--op);
+ from = _out - dist; /* rest from output */
+ from_source = output;
+ }
+ }
+ while (len > 2) {
+ output[_out++] = from_source[from++];
+ output[_out++] = from_source[from++];
+ output[_out++] = from_source[from++];
+ len -= 3;
+ }
+ if (len) {
+ output[_out++] = from_source[from++];
+ if (len > 1) {
+ output[_out++] = from_source[from++];
+ }
+ }
+ }
+ else {
+ from = _out - dist; /* copy direct from output */
+ do { /* minimum length is three */
+ output[_out++] = output[from++];
+ output[_out++] = output[from++];
+ output[_out++] = output[from++];
+ len -= 3;
+ } while (len > 2);
+ if (len) {
+ output[_out++] = output[from++];
+ if (len > 1) {
+ output[_out++] = output[from++];
+ }
+ }
+ }
+ }
+ else if ((op & 64) === 0) { /* 2nd level distance code */
+ here = dcode[(here & 0xffff)/*here.val*/ + (hold & ((1 << op) - 1))];
+ continue dodist;
+ }
+ else {
+ strm.msg = 'invalid distance code';
+ state.mode = BAD;
+ break top;
+ }
+
+ break; // need to emulate goto via "continue"
+ }
+ }
+ else if ((op & 64) === 0) { /* 2nd level length code */
+ here = lcode[(here & 0xffff)/*here.val*/ + (hold & ((1 << op) - 1))];
+ continue dolen;
+ }
+ else if (op & 32) { /* end-of-block */
+ //Tracevv((stderr, "inflate: end of block\n"));
+ state.mode = TYPE;
+ break top;
+ }
+ else {
+ strm.msg = 'invalid literal/length code';
+ state.mode = BAD;
+ break top;
+ }
+
+ break; // need to emulate goto via "continue"
+ }
+ } while (_in < last && _out < end);
+
+ /* return unused bytes (on entry, bits < 8, so in won't go too far back) */
+ len = bits >> 3;
+ _in -= len;
+ bits -= len << 3;
+ hold &= (1 << bits) - 1;
+
+ /* update state and return */
+ strm.next_in = _in;
+ strm.next_out = _out;
+ strm.avail_in = (_in < last ? 5 + (last - _in) : 5 - (_in - last));
+ strm.avail_out = (_out < end ? 257 + (end - _out) : 257 - (_out - end));
+ state.hold = hold;
+ state.bits = bits;
+ return;
+};
+
+},{}],324:[function(require,module,exports){
+'use strict';
+
+// (C) 1995-2013 Jean-loup Gailly and Mark Adler
+// (C) 2014-2017 Vitaly Puzrin and Andrey Tupitsin
+//
+// This software is provided 'as-is', without any express or implied
+// warranty. In no event will the authors be held liable for any damages
+// arising from the use of this software.
+//
+// Permission is granted to anyone to use this software for any purpose,
+// including commercial applications, and to alter it and redistribute it
+// freely, subject to the following restrictions:
+//
+// 1. The origin of this software must not be misrepresented; you must not
+// claim that you wrote the original software. If you use this software
+// in a product, an acknowledgment in the product documentation would be
+// appreciated but is not required.
+// 2. Altered source versions must be plainly marked as such, and must not be
+// misrepresented as being the original software.
+// 3. This notice may not be removed or altered from any source distribution.
+
+var utils = require('../utils/common');
+var adler32 = require('./adler32');
+var crc32 = require('./crc32');
+var inflate_fast = require('./inffast');
+var inflate_table = require('./inftrees');
+
+var CODES = 0;
+var LENS = 1;
+var DISTS = 2;
+
+/* Public constants ==========================================================*/
+/* ===========================================================================*/
+
+
+/* Allowed flush values; see deflate() and inflate() below for details */
+//var Z_NO_FLUSH = 0;
+//var Z_PARTIAL_FLUSH = 1;
+//var Z_SYNC_FLUSH = 2;
+//var Z_FULL_FLUSH = 3;
+var Z_FINISH = 4;
+var Z_BLOCK = 5;
+var Z_TREES = 6;
+
+
+/* Return codes for the compression/decompression functions. Negative values
+ * are errors, positive values are used for special but normal events.
+ */
+var Z_OK = 0;
+var Z_STREAM_END = 1;
+var Z_NEED_DICT = 2;
+//var Z_ERRNO = -1;
+var Z_STREAM_ERROR = -2;
+var Z_DATA_ERROR = -3;
+var Z_MEM_ERROR = -4;
+var Z_BUF_ERROR = -5;
+//var Z_VERSION_ERROR = -6;
+
+/* The deflate compression method */
+var Z_DEFLATED = 8;
+
+
+/* STATES ====================================================================*/
+/* ===========================================================================*/
+
+
+var HEAD = 1; /* i: waiting for magic header */
+var FLAGS = 2; /* i: waiting for method and flags (gzip) */
+var TIME = 3; /* i: waiting for modification time (gzip) */
+var OS = 4; /* i: waiting for extra flags and operating system (gzip) */
+var EXLEN = 5; /* i: waiting for extra length (gzip) */
+var EXTRA = 6; /* i: waiting for extra bytes (gzip) */
+var NAME = 7; /* i: waiting for end of file name (gzip) */
+var COMMENT = 8; /* i: waiting for end of comment (gzip) */
+var HCRC = 9; /* i: waiting for header crc (gzip) */
+var DICTID = 10; /* i: waiting for dictionary check value */
+var DICT = 11; /* waiting for inflateSetDictionary() call */
+var TYPE = 12; /* i: waiting for type bits, including last-flag bit */
+var TYPEDO = 13; /* i: same, but skip check to exit inflate on new block */
+var STORED = 14; /* i: waiting for stored size (length and complement) */
+var COPY_ = 15; /* i/o: same as COPY below, but only first time in */
+var COPY = 16; /* i/o: waiting for input or output to copy stored block */
+var TABLE = 17; /* i: waiting for dynamic block table lengths */
+var LENLENS = 18; /* i: waiting for code length code lengths */
+var CODELENS = 19; /* i: waiting for length/lit and distance code lengths */
+var LEN_ = 20; /* i: same as LEN below, but only first time in */
+var LEN = 21; /* i: waiting for length/lit/eob code */
+var LENEXT = 22; /* i: waiting for length extra bits */
+var DIST = 23; /* i: waiting for distance code */
+var DISTEXT = 24; /* i: waiting for distance extra bits */
+var MATCH = 25; /* o: waiting for output space to copy string */
+var LIT = 26; /* o: waiting for output space to write literal */
+var CHECK = 27; /* i: waiting for 32-bit check value */
+var LENGTH = 28; /* i: waiting for 32-bit length (gzip) */
+var DONE = 29; /* finished check, done -- remain here until reset */
+var BAD = 30; /* got a data error -- remain here until reset */
+var MEM = 31; /* got an inflate() memory error -- remain here until reset */
+var SYNC = 32; /* looking for synchronization bytes to restart inflate() */
+
+/* ===========================================================================*/
+
+
+
+var ENOUGH_LENS = 852;
+var ENOUGH_DISTS = 592;
+//var ENOUGH = (ENOUGH_LENS+ENOUGH_DISTS);
+
+var MAX_WBITS = 15;
+/* 32K LZ77 window */
+var DEF_WBITS = MAX_WBITS;
+
+
+function zswap32(q) {
+ return (((q >>> 24) & 0xff) +
+ ((q >>> 8) & 0xff00) +
+ ((q & 0xff00) << 8) +
+ ((q & 0xff) << 24));
+}
+
+
+function InflateState() {
+ this.mode = 0; /* current inflate mode */
+ this.last = false; /* true if processing last block */
+ this.wrap = 0; /* bit 0 true for zlib, bit 1 true for gzip */
+ this.havedict = false; /* true if dictionary provided */
+ this.flags = 0; /* gzip header method and flags (0 if zlib) */
+ this.dmax = 0; /* zlib header max distance (INFLATE_STRICT) */
+ this.check = 0; /* protected copy of check value */
+ this.total = 0; /* protected copy of output count */
+ // TODO: may be {}
+ this.head = null; /* where to save gzip header information */
+
+ /* sliding window */
+ this.wbits = 0; /* log base 2 of requested window size */
+ this.wsize = 0; /* window size or zero if not using window */
+ this.whave = 0; /* valid bytes in the window */
+ this.wnext = 0; /* window write index */
+ this.window = null; /* allocated sliding window, if needed */
+
+ /* bit accumulator */
+ this.hold = 0; /* input bit accumulator */
+ this.bits = 0; /* number of bits in "in" */
+
+ /* for string and stored block copying */
+ this.length = 0; /* literal or length of data to copy */
+ this.offset = 0; /* distance back to copy string from */
+
+ /* for table and code decoding */
+ this.extra = 0; /* extra bits needed */
+
+ /* fixed and dynamic code tables */
+ this.lencode = null; /* starting table for length/literal codes */
+ this.distcode = null; /* starting table for distance codes */
+ this.lenbits = 0; /* index bits for lencode */
+ this.distbits = 0; /* index bits for distcode */
+
+ /* dynamic table building */
+ this.ncode = 0; /* number of code length code lengths */
+ this.nlen = 0; /* number of length code lengths */
+ this.ndist = 0; /* number of distance code lengths */
+ this.have = 0; /* number of code lengths in lens[] */
+ this.next = null; /* next available space in codes[] */
+
+ this.lens = new utils.Buf16(320); /* temporary storage for code lengths */
+ this.work = new utils.Buf16(288); /* work area for code table building */
+
+ /*
+ because we don't have pointers in js, we use lencode and distcode directly
+ as buffers so we don't need codes
+ */
+ //this.codes = new utils.Buf32(ENOUGH); /* space for code tables */
+ this.lendyn = null; /* dynamic table for length/literal codes (JS specific) */
+ this.distdyn = null; /* dynamic table for distance codes (JS specific) */
+ this.sane = 0; /* if false, allow invalid distance too far */
+ this.back = 0; /* bits back of last unprocessed length/lit */
+ this.was = 0; /* initial length of match */
+}
+
+function inflateResetKeep(strm) {
+ var state;
+
+ if (!strm || !strm.state) { return Z_STREAM_ERROR; }
+ state = strm.state;
+ strm.total_in = strm.total_out = state.total = 0;
+ strm.msg = ''; /*Z_NULL*/
+ if (state.wrap) { /* to support ill-conceived Java test suite */
+ strm.adler = state.wrap & 1;
+ }
+ state.mode = HEAD;
+ state.last = 0;
+ state.havedict = 0;
+ state.dmax = 32768;
+ state.head = null/*Z_NULL*/;
+ state.hold = 0;
+ state.bits = 0;
+ //state.lencode = state.distcode = state.next = state.codes;
+ state.lencode = state.lendyn = new utils.Buf32(ENOUGH_LENS);
+ state.distcode = state.distdyn = new utils.Buf32(ENOUGH_DISTS);
+
+ state.sane = 1;
+ state.back = -1;
+ //Tracev((stderr, "inflate: reset\n"));
+ return Z_OK;
+}
+
+function inflateReset(strm) {
+ var state;
+
+ if (!strm || !strm.state) { return Z_STREAM_ERROR; }
+ state = strm.state;
+ state.wsize = 0;
+ state.whave = 0;
+ state.wnext = 0;
+ return inflateResetKeep(strm);
+
+}
+
+function inflateReset2(strm, windowBits) {
+ var wrap;
+ var state;
+
+ /* get the state */
+ if (!strm || !strm.state) { return Z_STREAM_ERROR; }
+ state = strm.state;
+
+ /* extract wrap request from windowBits parameter */
+ if (windowBits < 0) {
+ wrap = 0;
+ windowBits = -windowBits;
+ }
+ else {
+ wrap = (windowBits >> 4) + 1;
+ if (windowBits < 48) {
+ windowBits &= 15;
+ }
+ }
+
+ /* set number of window bits, free window if different */
+ if (windowBits && (windowBits < 8 || windowBits > 15)) {
+ return Z_STREAM_ERROR;
+ }
+ if (state.window !== null && state.wbits !== windowBits) {
+ state.window = null;
+ }
+
+ /* update state and reset the rest of it */
+ state.wrap = wrap;
+ state.wbits = windowBits;
+ return inflateReset(strm);
+}
+
+function inflateInit2(strm, windowBits) {
+ var ret;
+ var state;
+
+ if (!strm) { return Z_STREAM_ERROR; }
+ //strm.msg = Z_NULL; /* in case we return an error */
+
+ state = new InflateState();
+
+ //if (state === Z_NULL) return Z_MEM_ERROR;
+ //Tracev((stderr, "inflate: allocated\n"));
+ strm.state = state;
+ state.window = null/*Z_NULL*/;
+ ret = inflateReset2(strm, windowBits);
+ if (ret !== Z_OK) {
+ strm.state = null/*Z_NULL*/;
+ }
+ return ret;
+}
+
+function inflateInit(strm) {
+ return inflateInit2(strm, DEF_WBITS);
+}
+
+
+/*
+ Return state with length and distance decoding tables and index sizes set to
+ fixed code decoding. Normally this returns fixed tables from inffixed.h.
+ If BUILDFIXED is defined, then instead this routine builds the tables the
+ first time it's called, and returns those tables the first time and
+ thereafter. This reduces the size of the code by about 2K bytes, in
+ exchange for a little execution time. However, BUILDFIXED should not be
+ used for threaded applications, since the rewriting of the tables and virgin
+ may not be thread-safe.
+ */
+var virgin = true;
+
+var lenfix, distfix; // We have no pointers in JS, so keep tables separate
+
+function fixedtables(state) {
+ /* build fixed huffman tables if first call (may not be thread safe) */
+ if (virgin) {
+ var sym;
+
+ lenfix = new utils.Buf32(512);
+ distfix = new utils.Buf32(32);
+
+ /* literal/length table */
+ sym = 0;
+ while (sym < 144) { state.lens[sym++] = 8; }
+ while (sym < 256) { state.lens[sym++] = 9; }
+ while (sym < 280) { state.lens[sym++] = 7; }
+ while (sym < 288) { state.lens[sym++] = 8; }
+
+ inflate_table(LENS, state.lens, 0, 288, lenfix, 0, state.work, { bits: 9 });
+
+ /* distance table */
+ sym = 0;
+ while (sym < 32) { state.lens[sym++] = 5; }
+
+ inflate_table(DISTS, state.lens, 0, 32, distfix, 0, state.work, { bits: 5 });
+
+ /* do this just once */
+ virgin = false;
+ }
+
+ state.lencode = lenfix;
+ state.lenbits = 9;
+ state.distcode = distfix;
+ state.distbits = 5;
+}
+
+
+/*
+ Update the window with the last wsize (normally 32K) bytes written before
+ returning. If window does not exist yet, create it. This is only called
+ when a window is already in use, or when output has been written during this
+ inflate call, but the end of the deflate stream has not been reached yet.
+ It is also called to create a window for dictionary data when a dictionary
+ is loaded.
+
+ Providing output buffers larger than 32K to inflate() should provide a speed
+ advantage, since only the last 32K of output is copied to the sliding window
+ upon return from inflate(), and since all distances after the first 32K of
+ output will fall in the output data, making match copies simpler and faster.
+ The advantage may be dependent on the size of the processor's data caches.
+ */
+function updatewindow(strm, src, end, copy) {
+ var dist;
+ var state = strm.state;
+
+ /* if it hasn't been done already, allocate space for the window */
+ if (state.window === null) {
+ state.wsize = 1 << state.wbits;
+ state.wnext = 0;
+ state.whave = 0;
+
+ state.window = new utils.Buf8(state.wsize);
+ }
+
+ /* copy state->wsize or less output bytes into the circular window */
+ if (copy >= state.wsize) {
+ utils.arraySet(state.window, src, end - state.wsize, state.wsize, 0);
+ state.wnext = 0;
+ state.whave = state.wsize;
+ }
+ else {
+ dist = state.wsize - state.wnext;
+ if (dist > copy) {
+ dist = copy;
+ }
+ //zmemcpy(state->window + state->wnext, end - copy, dist);
+ utils.arraySet(state.window, src, end - copy, dist, state.wnext);
+ copy -= dist;
+ if (copy) {
+ //zmemcpy(state->window, end - copy, copy);
+ utils.arraySet(state.window, src, end - copy, copy, 0);
+ state.wnext = copy;
+ state.whave = state.wsize;
+ }
+ else {
+ state.wnext += dist;
+ if (state.wnext === state.wsize) { state.wnext = 0; }
+ if (state.whave < state.wsize) { state.whave += dist; }
+ }
+ }
+ return 0;
+}
+
+function inflate(strm, flush) {
+ var state;
+ var input, output; // input/output buffers
+ var next; /* next input INDEX */
+ var put; /* next output INDEX */
+ var have, left; /* available input and output */
+ var hold; /* bit buffer */
+ var bits; /* bits in bit buffer */
+ var _in, _out; /* save starting available input and output */
+ var copy; /* number of stored or match bytes to copy */
+ var from; /* where to copy match bytes from */
+ var from_source;
+ var here = 0; /* current decoding table entry */
+ var here_bits, here_op, here_val; // paked "here" denormalized (JS specific)
+ //var last; /* parent table entry */
+ var last_bits, last_op, last_val; // paked "last" denormalized (JS specific)
+ var len; /* length to copy for repeats, bits to drop */
+ var ret; /* return code */
+ var hbuf = new utils.Buf8(4); /* buffer for gzip header crc calculation */
+ var opts;
+
+ var n; // temporary var for NEED_BITS
+
+ var order = /* permutation of code lengths */
+ [ 16, 17, 18, 0, 8, 7, 9, 6, 10, 5, 11, 4, 12, 3, 13, 2, 14, 1, 15 ];
+
+
+ if (!strm || !strm.state || !strm.output ||
+ (!strm.input && strm.avail_in !== 0)) {
+ return Z_STREAM_ERROR;
+ }
+
+ state = strm.state;
+ if (state.mode === TYPE) { state.mode = TYPEDO; } /* skip check */
+
+
+ //--- LOAD() ---
+ put = strm.next_out;
+ output = strm.output;
+ left = strm.avail_out;
+ next = strm.next_in;
+ input = strm.input;
+ have = strm.avail_in;
+ hold = state.hold;
+ bits = state.bits;
+ //---
+
+ _in = have;
+ _out = left;
+ ret = Z_OK;
+
+ inf_leave: // goto emulation
+ for (;;) {
+ switch (state.mode) {
+ case HEAD:
+ if (state.wrap === 0) {
+ state.mode = TYPEDO;
+ break;
+ }
+ //=== NEEDBITS(16);
+ while (bits < 16) {
+ if (have === 0) { break inf_leave; }
+ have--;
+ hold += input[next++] << bits;
+ bits += 8;
+ }
+ //===//
+ if ((state.wrap & 2) && hold === 0x8b1f) { /* gzip header */
+ state.check = 0/*crc32(0L, Z_NULL, 0)*/;
+ //=== CRC2(state.check, hold);
+ hbuf[0] = hold & 0xff;
+ hbuf[1] = (hold >>> 8) & 0xff;
+ state.check = crc32(state.check, hbuf, 2, 0);
+ //===//
+
+ //=== INITBITS();
+ hold = 0;
+ bits = 0;
+ //===//
+ state.mode = FLAGS;
+ break;
+ }
+ state.flags = 0; /* expect zlib header */
+ if (state.head) {
+ state.head.done = false;
+ }
+ if (!(state.wrap & 1) || /* check if zlib header allowed */
+ (((hold & 0xff)/*BITS(8)*/ << 8) + (hold >> 8)) % 31) {
+ strm.msg = 'incorrect header check';
+ state.mode = BAD;
+ break;
+ }
+ if ((hold & 0x0f)/*BITS(4)*/ !== Z_DEFLATED) {
+ strm.msg = 'unknown compression method';
+ state.mode = BAD;
+ break;
+ }
+ //--- DROPBITS(4) ---//
+ hold >>>= 4;
+ bits -= 4;
+ //---//
+ len = (hold & 0x0f)/*BITS(4)*/ + 8;
+ if (state.wbits === 0) {
+ state.wbits = len;
+ }
+ else if (len > state.wbits) {
+ strm.msg = 'invalid window size';
+ state.mode = BAD;
+ break;
+ }
+ state.dmax = 1 << len;
+ //Tracev((stderr, "inflate: zlib header ok\n"));
+ strm.adler = state.check = 1/*adler32(0L, Z_NULL, 0)*/;
+ state.mode = hold & 0x200 ? DICTID : TYPE;
+ //=== INITBITS();
+ hold = 0;
+ bits = 0;
+ //===//
+ break;
+ case FLAGS:
+ //=== NEEDBITS(16); */
+ while (bits < 16) {
+ if (have === 0) { break inf_leave; }
+ have--;
+ hold += input[next++] << bits;
+ bits += 8;
+ }
+ //===//
+ state.flags = hold;
+ if ((state.flags & 0xff) !== Z_DEFLATED) {
+ strm.msg = 'unknown compression method';
+ state.mode = BAD;
+ break;
+ }
+ if (state.flags & 0xe000) {
+ strm.msg = 'unknown header flags set';
+ state.mode = BAD;
+ break;
+ }
+ if (state.head) {
+ state.head.text = ((hold >> 8) & 1);
+ }
+ if (state.flags & 0x0200) {
+ //=== CRC2(state.check, hold);
+ hbuf[0] = hold & 0xff;
+ hbuf[1] = (hold >>> 8) & 0xff;
+ state.check = crc32(state.check, hbuf, 2, 0);
+ //===//
+ }
+ //=== INITBITS();
+ hold = 0;
+ bits = 0;
+ //===//
+ state.mode = TIME;
+ /* falls through */
+ case TIME:
+ //=== NEEDBITS(32); */
+ while (bits < 32) {
+ if (have === 0) { break inf_leave; }
+ have--;
+ hold += input[next++] << bits;
+ bits += 8;
+ }
+ //===//
+ if (state.head) {
+ state.head.time = hold;
+ }
+ if (state.flags & 0x0200) {
+ //=== CRC4(state.check, hold)
+ hbuf[0] = hold & 0xff;
+ hbuf[1] = (hold >>> 8) & 0xff;
+ hbuf[2] = (hold >>> 16) & 0xff;
+ hbuf[3] = (hold >>> 24) & 0xff;
+ state.check = crc32(state.check, hbuf, 4, 0);
+ //===
+ }
+ //=== INITBITS();
+ hold = 0;
+ bits = 0;
+ //===//
+ state.mode = OS;
+ /* falls through */
+ case OS:
+ //=== NEEDBITS(16); */
+ while (bits < 16) {
+ if (have === 0) { break inf_leave; }
+ have--;
+ hold += input[next++] << bits;
+ bits += 8;
+ }
+ //===//
+ if (state.head) {
+ state.head.xflags = (hold & 0xff);
+ state.head.os = (hold >> 8);
+ }
+ if (state.flags & 0x0200) {
+ //=== CRC2(state.check, hold);
+ hbuf[0] = hold & 0xff;
+ hbuf[1] = (hold >>> 8) & 0xff;
+ state.check = crc32(state.check, hbuf, 2, 0);
+ //===//
+ }
+ //=== INITBITS();
+ hold = 0;
+ bits = 0;
+ //===//
+ state.mode = EXLEN;
+ /* falls through */
+ case EXLEN:
+ if (state.flags & 0x0400) {
+ //=== NEEDBITS(16); */
+ while (bits < 16) {
+ if (have === 0) { break inf_leave; }
+ have--;
+ hold += input[next++] << bits;
+ bits += 8;
+ }
+ //===//
+ state.length = hold;
+ if (state.head) {
+ state.head.extra_len = hold;
+ }
+ if (state.flags & 0x0200) {
+ //=== CRC2(state.check, hold);
+ hbuf[0] = hold & 0xff;
+ hbuf[1] = (hold >>> 8) & 0xff;
+ state.check = crc32(state.check, hbuf, 2, 0);
+ //===//
+ }
+ //=== INITBITS();
+ hold = 0;
+ bits = 0;
+ //===//
+ }
+ else if (state.head) {
+ state.head.extra = null/*Z_NULL*/;
+ }
+ state.mode = EXTRA;
+ /* falls through */
+ case EXTRA:
+ if (state.flags & 0x0400) {
+ copy = state.length;
+ if (copy > have) { copy = have; }
+ if (copy) {
+ if (state.head) {
+ len = state.head.extra_len - state.length;
+ if (!state.head.extra) {
+ // Use untyped array for more convenient processing later
+ state.head.extra = new Array(state.head.extra_len);
+ }
+ utils.arraySet(
+ state.head.extra,
+ input,
+ next,
+ // extra field is limited to 65536 bytes
+ // - no need for additional size check
+ copy,
+ /*len + copy > state.head.extra_max - len ? state.head.extra_max : copy,*/
+ len
+ );
+ //zmemcpy(state.head.extra + len, next,
+ // len + copy > state.head.extra_max ?
+ // state.head.extra_max - len : copy);
+ }
+ if (state.flags & 0x0200) {
+ state.check = crc32(state.check, input, copy, next);
+ }
+ have -= copy;
+ next += copy;
+ state.length -= copy;
+ }
+ if (state.length) { break inf_leave; }
+ }
+ state.length = 0;
+ state.mode = NAME;
+ /* falls through */
+ case NAME:
+ if (state.flags & 0x0800) {
+ if (have === 0) { break inf_leave; }
+ copy = 0;
+ do {
+ // TODO: 2 or 1 bytes?
+ len = input[next + copy++];
+ /* use constant limit because in js we should not preallocate memory */
+ if (state.head && len &&
+ (state.length < 65536 /*state.head.name_max*/)) {
+ state.head.name += String.fromCharCode(len);
+ }
+ } while (len && copy < have);
+
+ if (state.flags & 0x0200) {
+ state.check = crc32(state.check, input, copy, next);
+ }
+ have -= copy;
+ next += copy;
+ if (len) { break inf_leave; }
+ }
+ else if (state.head) {
+ state.head.name = null;
+ }
+ state.length = 0;
+ state.mode = COMMENT;
+ /* falls through */
+ case COMMENT:
+ if (state.flags & 0x1000) {
+ if (have === 0) { break inf_leave; }
+ copy = 0;
+ do {
+ len = input[next + copy++];
+ /* use constant limit because in js we should not preallocate memory */
+ if (state.head && len &&
+ (state.length < 65536 /*state.head.comm_max*/)) {
+ state.head.comment += String.fromCharCode(len);
+ }
+ } while (len && copy < have);
+ if (state.flags & 0x0200) {
+ state.check = crc32(state.check, input, copy, next);
+ }
+ have -= copy;
+ next += copy;
+ if (len) { break inf_leave; }
+ }
+ else if (state.head) {
+ state.head.comment = null;
+ }
+ state.mode = HCRC;
+ /* falls through */
+ case HCRC:
+ if (state.flags & 0x0200) {
+ //=== NEEDBITS(16); */
+ while (bits < 16) {
+ if (have === 0) { break inf_leave; }
+ have--;
+ hold += input[next++] << bits;
+ bits += 8;
+ }
+ //===//
+ if (hold !== (state.check & 0xffff)) {
+ strm.msg = 'header crc mismatch';
+ state.mode = BAD;
+ break;
+ }
+ //=== INITBITS();
+ hold = 0;
+ bits = 0;
+ //===//
+ }
+ if (state.head) {
+ state.head.hcrc = ((state.flags >> 9) & 1);
+ state.head.done = true;
+ }
+ strm.adler = state.check = 0;
+ state.mode = TYPE;
+ break;
+ case DICTID:
+ //=== NEEDBITS(32); */
+ while (bits < 32) {
+ if (have === 0) { break inf_leave; }
+ have--;
+ hold += input[next++] << bits;
+ bits += 8;
+ }
+ //===//
+ strm.adler = state.check = zswap32(hold);
+ //=== INITBITS();
+ hold = 0;
+ bits = 0;
+ //===//
+ state.mode = DICT;
+ /* falls through */
+ case DICT:
+ if (state.havedict === 0) {
+ //--- RESTORE() ---
+ strm.next_out = put;
+ strm.avail_out = left;
+ strm.next_in = next;
+ strm.avail_in = have;
+ state.hold = hold;
+ state.bits = bits;
+ //---
+ return Z_NEED_DICT;
+ }
+ strm.adler = state.check = 1/*adler32(0L, Z_NULL, 0)*/;
+ state.mode = TYPE;
+ /* falls through */
+ case TYPE:
+ if (flush === Z_BLOCK || flush === Z_TREES) { break inf_leave; }
+ /* falls through */
+ case TYPEDO:
+ if (state.last) {
+ //--- BYTEBITS() ---//
+ hold >>>= bits & 7;
+ bits -= bits & 7;
+ //---//
+ state.mode = CHECK;
+ break;
+ }
+ //=== NEEDBITS(3); */
+ while (bits < 3) {
+ if (have === 0) { break inf_leave; }
+ have--;
+ hold += input[next++] << bits;
+ bits += 8;
+ }
+ //===//
+ state.last = (hold & 0x01)/*BITS(1)*/;
+ //--- DROPBITS(1) ---//
+ hold >>>= 1;
+ bits -= 1;
+ //---//
+
+ switch ((hold & 0x03)/*BITS(2)*/) {
+ case 0: /* stored block */
+ //Tracev((stderr, "inflate: stored block%s\n",
+ // state.last ? " (last)" : ""));
+ state.mode = STORED;
+ break;
+ case 1: /* fixed block */
+ fixedtables(state);
+ //Tracev((stderr, "inflate: fixed codes block%s\n",
+ // state.last ? " (last)" : ""));
+ state.mode = LEN_; /* decode codes */
+ if (flush === Z_TREES) {
+ //--- DROPBITS(2) ---//
+ hold >>>= 2;
+ bits -= 2;
+ //---//
+ break inf_leave;
+ }
+ break;
+ case 2: /* dynamic block */
+ //Tracev((stderr, "inflate: dynamic codes block%s\n",
+ // state.last ? " (last)" : ""));
+ state.mode = TABLE;
+ break;
+ case 3:
+ strm.msg = 'invalid block type';
+ state.mode = BAD;
+ }
+ //--- DROPBITS(2) ---//
+ hold >>>= 2;
+ bits -= 2;
+ //---//
+ break;
+ case STORED:
+ //--- BYTEBITS() ---// /* go to byte boundary */
+ hold >>>= bits & 7;
+ bits -= bits & 7;
+ //---//
+ //=== NEEDBITS(32); */
+ while (bits < 32) {
+ if (have === 0) { break inf_leave; }
+ have--;
+ hold += input[next++] << bits;
+ bits += 8;
+ }
+ //===//
+ if ((hold & 0xffff) !== ((hold >>> 16) ^ 0xffff)) {
+ strm.msg = 'invalid stored block lengths';
+ state.mode = BAD;
+ break;
+ }
+ state.length = hold & 0xffff;
+ //Tracev((stderr, "inflate: stored length %u\n",
+ // state.length));
+ //=== INITBITS();
+ hold = 0;
+ bits = 0;
+ //===//
+ state.mode = COPY_;
+ if (flush === Z_TREES) { break inf_leave; }
+ /* falls through */
+ case COPY_:
+ state.mode = COPY;
+ /* falls through */
+ case COPY:
+ copy = state.length;
+ if (copy) {
+ if (copy > have) { copy = have; }
+ if (copy > left) { copy = left; }
+ if (copy === 0) { break inf_leave; }
+ //--- zmemcpy(put, next, copy); ---
+ utils.arraySet(output, input, next, copy, put);
+ //---//
+ have -= copy;
+ next += copy;
+ left -= copy;
+ put += copy;
+ state.length -= copy;
+ break;
+ }
+ //Tracev((stderr, "inflate: stored end\n"));
+ state.mode = TYPE;
+ break;
+ case TABLE:
+ //=== NEEDBITS(14); */
+ while (bits < 14) {
+ if (have === 0) { break inf_leave; }
+ have--;
+ hold += input[next++] << bits;
+ bits += 8;
+ }
+ //===//
+ state.nlen = (hold & 0x1f)/*BITS(5)*/ + 257;
+ //--- DROPBITS(5) ---//
+ hold >>>= 5;
+ bits -= 5;
+ //---//
+ state.ndist = (hold & 0x1f)/*BITS(5)*/ + 1;
+ //--- DROPBITS(5) ---//
+ hold >>>= 5;
+ bits -= 5;
+ //---//
+ state.ncode = (hold & 0x0f)/*BITS(4)*/ + 4;
+ //--- DROPBITS(4) ---//
+ hold >>>= 4;
+ bits -= 4;
+ //---//
+//#ifndef PKZIP_BUG_WORKAROUND
+ if (state.nlen > 286 || state.ndist > 30) {
+ strm.msg = 'too many length or distance symbols';
+ state.mode = BAD;
+ break;
+ }
+//#endif
+ //Tracev((stderr, "inflate: table sizes ok\n"));
+ state.have = 0;
+ state.mode = LENLENS;
+ /* falls through */
+ case LENLENS:
+ while (state.have < state.ncode) {
+ //=== NEEDBITS(3);
+ while (bits < 3) {
+ if (have === 0) { break inf_leave; }
+ have--;
+ hold += input[next++] << bits;
+ bits += 8;
+ }
+ //===//
+ state.lens[order[state.have++]] = (hold & 0x07);//BITS(3);
+ //--- DROPBITS(3) ---//
+ hold >>>= 3;
+ bits -= 3;
+ //---//
+ }
+ while (state.have < 19) {
+ state.lens[order[state.have++]] = 0;
+ }
+ // We have separate tables & no pointers. 2 commented lines below not needed.
+ //state.next = state.codes;
+ //state.lencode = state.next;
+ // Switch to use dynamic table
+ state.lencode = state.lendyn;
+ state.lenbits = 7;
+
+ opts = { bits: state.lenbits };
+ ret = inflate_table(CODES, state.lens, 0, 19, state.lencode, 0, state.work, opts);
+ state.lenbits = opts.bits;
+
+ if (ret) {
+ strm.msg = 'invalid code lengths set';
+ state.mode = BAD;
+ break;
+ }
+ //Tracev((stderr, "inflate: code lengths ok\n"));
+ state.have = 0;
+ state.mode = CODELENS;
+ /* falls through */
+ case CODELENS:
+ while (state.have < state.nlen + state.ndist) {
+ for (;;) {
+ here = state.lencode[hold & ((1 << state.lenbits) - 1)];/*BITS(state.lenbits)*/
+ here_bits = here >>> 24;
+ here_op = (here >>> 16) & 0xff;
+ here_val = here & 0xffff;
+
+ if ((here_bits) <= bits) { break; }
+ //--- PULLBYTE() ---//
+ if (have === 0) { break inf_leave; }
+ have--;
+ hold += input[next++] << bits;
+ bits += 8;
+ //---//
+ }
+ if (here_val < 16) {
+ //--- DROPBITS(here.bits) ---//
+ hold >>>= here_bits;
+ bits -= here_bits;
+ //---//
+ state.lens[state.have++] = here_val;
+ }
+ else {
+ if (here_val === 16) {
+ //=== NEEDBITS(here.bits + 2);
+ n = here_bits + 2;
+ while (bits < n) {
+ if (have === 0) { break inf_leave; }
+ have--;
+ hold += input[next++] << bits;
+ bits += 8;
+ }
+ //===//
+ //--- DROPBITS(here.bits) ---//
+ hold >>>= here_bits;
+ bits -= here_bits;
+ //---//
+ if (state.have === 0) {
+ strm.msg = 'invalid bit length repeat';
+ state.mode = BAD;
+ break;
+ }
+ len = state.lens[state.have - 1];
+ copy = 3 + (hold & 0x03);//BITS(2);
+ //--- DROPBITS(2) ---//
+ hold >>>= 2;
+ bits -= 2;
+ //---//
+ }
+ else if (here_val === 17) {
+ //=== NEEDBITS(here.bits + 3);
+ n = here_bits + 3;
+ while (bits < n) {
+ if (have === 0) { break inf_leave; }
+ have--;
+ hold += input[next++] << bits;
+ bits += 8;
+ }
+ //===//
+ //--- DROPBITS(here.bits) ---//
+ hold >>>= here_bits;
+ bits -= here_bits;
+ //---//
+ len = 0;
+ copy = 3 + (hold & 0x07);//BITS(3);
+ //--- DROPBITS(3) ---//
+ hold >>>= 3;
+ bits -= 3;
+ //---//
+ }
+ else {
+ //=== NEEDBITS(here.bits + 7);
+ n = here_bits + 7;
+ while (bits < n) {
+ if (have === 0) { break inf_leave; }
+ have--;
+ hold += input[next++] << bits;
+ bits += 8;
+ }
+ //===//
+ //--- DROPBITS(here.bits) ---//
+ hold >>>= here_bits;
+ bits -= here_bits;
+ //---//
+ len = 0;
+ copy = 11 + (hold & 0x7f);//BITS(7);
+ //--- DROPBITS(7) ---//
+ hold >>>= 7;
+ bits -= 7;
+ //---//
+ }
+ if (state.have + copy > state.nlen + state.ndist) {
+ strm.msg = 'invalid bit length repeat';
+ state.mode = BAD;
+ break;
+ }
+ while (copy--) {
+ state.lens[state.have++] = len;
+ }
+ }
+ }
+
+ /* handle error breaks in while */
+ if (state.mode === BAD) { break; }
+
+ /* check for end-of-block code (better have one) */
+ if (state.lens[256] === 0) {
+ strm.msg = 'invalid code -- missing end-of-block';
+ state.mode = BAD;
+ break;
+ }
+
+ /* build code tables -- note: do not change the lenbits or distbits
+ values here (9 and 6) without reading the comments in inftrees.h
+ concerning the ENOUGH constants, which depend on those values */
+ state.lenbits = 9;
+
+ opts = { bits: state.lenbits };
+ ret = inflate_table(LENS, state.lens, 0, state.nlen, state.lencode, 0, state.work, opts);
+ // We have separate tables & no pointers. 2 commented lines below not needed.
+ // state.next_index = opts.table_index;
+ state.lenbits = opts.bits;
+ // state.lencode = state.next;
+
+ if (ret) {
+ strm.msg = 'invalid literal/lengths set';
+ state.mode = BAD;
+ break;
+ }
+
+ state.distbits = 6;
+ //state.distcode.copy(state.codes);
+ // Switch to use dynamic table
+ state.distcode = state.distdyn;
+ opts = { bits: state.distbits };
+ ret = inflate_table(DISTS, state.lens, state.nlen, state.ndist, state.distcode, 0, state.work, opts);
+ // We have separate tables & no pointers. 2 commented lines below not needed.
+ // state.next_index = opts.table_index;
+ state.distbits = opts.bits;
+ // state.distcode = state.next;
+
+ if (ret) {
+ strm.msg = 'invalid distances set';
+ state.mode = BAD;
+ break;
+ }
+ //Tracev((stderr, 'inflate: codes ok\n'));
+ state.mode = LEN_;
+ if (flush === Z_TREES) { break inf_leave; }
+ /* falls through */
+ case LEN_:
+ state.mode = LEN;
+ /* falls through */
+ case LEN:
+ if (have >= 6 && left >= 258) {
+ //--- RESTORE() ---
+ strm.next_out = put;
+ strm.avail_out = left;
+ strm.next_in = next;
+ strm.avail_in = have;
+ state.hold = hold;
+ state.bits = bits;
+ //---
+ inflate_fast(strm, _out);
+ //--- LOAD() ---
+ put = strm.next_out;
+ output = strm.output;
+ left = strm.avail_out;
+ next = strm.next_in;
+ input = strm.input;
+ have = strm.avail_in;
+ hold = state.hold;
+ bits = state.bits;
+ //---
+
+ if (state.mode === TYPE) {
+ state.back = -1;
+ }
+ break;
+ }
+ state.back = 0;
+ for (;;) {
+ here = state.lencode[hold & ((1 << state.lenbits) - 1)]; /*BITS(state.lenbits)*/
+ here_bits = here >>> 24;
+ here_op = (here >>> 16) & 0xff;
+ here_val = here & 0xffff;
+
+ if (here_bits <= bits) { break; }
+ //--- PULLBYTE() ---//
+ if (have === 0) { break inf_leave; }
+ have--;
+ hold += input[next++] << bits;
+ bits += 8;
+ //---//
+ }
+ if (here_op && (here_op & 0xf0) === 0) {
+ last_bits = here_bits;
+ last_op = here_op;
+ last_val = here_val;
+ for (;;) {
+ here = state.lencode[last_val +
+ ((hold & ((1 << (last_bits + last_op)) - 1))/*BITS(last.bits + last.op)*/ >> last_bits)];
+ here_bits = here >>> 24;
+ here_op = (here >>> 16) & 0xff;
+ here_val = here & 0xffff;
+
+ if ((last_bits + here_bits) <= bits) { break; }
+ //--- PULLBYTE() ---//
+ if (have === 0) { break inf_leave; }
+ have--;
+ hold += input[next++] << bits;
+ bits += 8;
+ //---//
+ }
+ //--- DROPBITS(last.bits) ---//
+ hold >>>= last_bits;
+ bits -= last_bits;
+ //---//
+ state.back += last_bits;
+ }
+ //--- DROPBITS(here.bits) ---//
+ hold >>>= here_bits;
+ bits -= here_bits;
+ //---//
+ state.back += here_bits;
+ state.length = here_val;
+ if (here_op === 0) {
+ //Tracevv((stderr, here.val >= 0x20 && here.val < 0x7f ?
+ // "inflate: literal '%c'\n" :
+ // "inflate: literal 0x%02x\n", here.val));
+ state.mode = LIT;
+ break;
+ }
+ if (here_op & 32) {
+ //Tracevv((stderr, "inflate: end of block\n"));
+ state.back = -1;
+ state.mode = TYPE;
+ break;
+ }
+ if (here_op & 64) {
+ strm.msg = 'invalid literal/length code';
+ state.mode = BAD;
+ break;
+ }
+ state.extra = here_op & 15;
+ state.mode = LENEXT;
+ /* falls through */
+ case LENEXT:
+ if (state.extra) {
+ //=== NEEDBITS(state.extra);
+ n = state.extra;
+ while (bits < n) {
+ if (have === 0) { break inf_leave; }
+ have--;
+ hold += input[next++] << bits;
+ bits += 8;
+ }
+ //===//
+ state.length += hold & ((1 << state.extra) - 1)/*BITS(state.extra)*/;
+ //--- DROPBITS(state.extra) ---//
+ hold >>>= state.extra;
+ bits -= state.extra;
+ //---//
+ state.back += state.extra;
+ }
+ //Tracevv((stderr, "inflate: length %u\n", state.length));
+ state.was = state.length;
+ state.mode = DIST;
+ /* falls through */
+ case DIST:
+ for (;;) {
+ here = state.distcode[hold & ((1 << state.distbits) - 1)];/*BITS(state.distbits)*/
+ here_bits = here >>> 24;
+ here_op = (here >>> 16) & 0xff;
+ here_val = here & 0xffff;
+
+ if ((here_bits) <= bits) { break; }
+ //--- PULLBYTE() ---//
+ if (have === 0) { break inf_leave; }
+ have--;
+ hold += input[next++] << bits;
+ bits += 8;
+ //---//
+ }
+ if ((here_op & 0xf0) === 0) {
+ last_bits = here_bits;
+ last_op = here_op;
+ last_val = here_val;
+ for (;;) {
+ here = state.distcode[last_val +
+ ((hold & ((1 << (last_bits + last_op)) - 1))/*BITS(last.bits + last.op)*/ >> last_bits)];
+ here_bits = here >>> 24;
+ here_op = (here >>> 16) & 0xff;
+ here_val = here & 0xffff;
+
+ if ((last_bits + here_bits) <= bits) { break; }
+ //--- PULLBYTE() ---//
+ if (have === 0) { break inf_leave; }
+ have--;
+ hold += input[next++] << bits;
+ bits += 8;
+ //---//
+ }
+ //--- DROPBITS(last.bits) ---//
+ hold >>>= last_bits;
+ bits -= last_bits;
+ //---//
+ state.back += last_bits;
+ }
+ //--- DROPBITS(here.bits) ---//
+ hold >>>= here_bits;
+ bits -= here_bits;
+ //---//
+ state.back += here_bits;
+ if (here_op & 64) {
+ strm.msg = 'invalid distance code';
+ state.mode = BAD;
+ break;
+ }
+ state.offset = here_val;
+ state.extra = (here_op) & 15;
+ state.mode = DISTEXT;
+ /* falls through */
+ case DISTEXT:
+ if (state.extra) {
+ //=== NEEDBITS(state.extra);
+ n = state.extra;
+ while (bits < n) {
+ if (have === 0) { break inf_leave; }
+ have--;
+ hold += input[next++] << bits;
+ bits += 8;
+ }
+ //===//
+ state.offset += hold & ((1 << state.extra) - 1)/*BITS(state.extra)*/;
+ //--- DROPBITS(state.extra) ---//
+ hold >>>= state.extra;
+ bits -= state.extra;
+ //---//
+ state.back += state.extra;
+ }
+//#ifdef INFLATE_STRICT
+ if (state.offset > state.dmax) {
+ strm.msg = 'invalid distance too far back';
+ state.mode = BAD;
+ break;
+ }
+//#endif
+ //Tracevv((stderr, "inflate: distance %u\n", state.offset));
+ state.mode = MATCH;
+ /* falls through */
+ case MATCH:
+ if (left === 0) { break inf_leave; }
+ copy = _out - left;
+ if (state.offset > copy) { /* copy from window */
+ copy = state.offset - copy;
+ if (copy > state.whave) {
+ if (state.sane) {
+ strm.msg = 'invalid distance too far back';
+ state.mode = BAD;
+ break;
+ }
+// (!) This block is disabled in zlib defaults,
+// don't enable it for binary compatibility
+//#ifdef INFLATE_ALLOW_INVALID_DISTANCE_TOOFAR_ARRR
+// Trace((stderr, "inflate.c too far\n"));
+// copy -= state.whave;
+// if (copy > state.length) { copy = state.length; }
+// if (copy > left) { copy = left; }
+// left -= copy;
+// state.length -= copy;
+// do {
+// output[put++] = 0;
+// } while (--copy);
+// if (state.length === 0) { state.mode = LEN; }
+// break;
+//#endif
+ }
+ if (copy > state.wnext) {
+ copy -= state.wnext;
+ from = state.wsize - copy;
+ }
+ else {
+ from = state.wnext - copy;
+ }
+ if (copy > state.length) { copy = state.length; }
+ from_source = state.window;
+ }
+ else { /* copy from output */
+ from_source = output;
+ from = put - state.offset;
+ copy = state.length;
+ }
+ if (copy > left) { copy = left; }
+ left -= copy;
+ state.length -= copy;
+ do {
+ output[put++] = from_source[from++];
+ } while (--copy);
+ if (state.length === 0) { state.mode = LEN; }
+ break;
+ case LIT:
+ if (left === 0) { break inf_leave; }
+ output[put++] = state.length;
+ left--;
+ state.mode = LEN;
+ break;
+ case CHECK:
+ if (state.wrap) {
+ //=== NEEDBITS(32);
+ while (bits < 32) {
+ if (have === 0) { break inf_leave; }
+ have--;
+ // Use '|' instead of '+' to make sure that result is signed
+ hold |= input[next++] << bits;
+ bits += 8;
+ }
+ //===//
+ _out -= left;
+ strm.total_out += _out;
+ state.total += _out;
+ if (_out) {
+ strm.adler = state.check =
+ /*UPDATE(state.check, put - _out, _out);*/
+ (state.flags ? crc32(state.check, output, _out, put - _out) : adler32(state.check, output, _out, put - _out));
+
+ }
+ _out = left;
+ // NB: crc32 stored as signed 32-bit int, zswap32 returns signed too
+ if ((state.flags ? hold : zswap32(hold)) !== state.check) {
+ strm.msg = 'incorrect data check';
+ state.mode = BAD;
+ break;
+ }
+ //=== INITBITS();
+ hold = 0;
+ bits = 0;
+ //===//
+ //Tracev((stderr, "inflate: check matches trailer\n"));
+ }
+ state.mode = LENGTH;
+ /* falls through */
+ case LENGTH:
+ if (state.wrap && state.flags) {
+ //=== NEEDBITS(32);
+ while (bits < 32) {
+ if (have === 0) { break inf_leave; }
+ have--;
+ hold += input[next++] << bits;
+ bits += 8;
+ }
+ //===//
+ if (hold !== (state.total & 0xffffffff)) {
+ strm.msg = 'incorrect length check';
+ state.mode = BAD;
+ break;
+ }
+ //=== INITBITS();
+ hold = 0;
+ bits = 0;
+ //===//
+ //Tracev((stderr, "inflate: length matches trailer\n"));
+ }
+ state.mode = DONE;
+ /* falls through */
+ case DONE:
+ ret = Z_STREAM_END;
+ break inf_leave;
+ case BAD:
+ ret = Z_DATA_ERROR;
+ break inf_leave;
+ case MEM:
+ return Z_MEM_ERROR;
+ case SYNC:
+ /* falls through */
+ default:
+ return Z_STREAM_ERROR;
+ }
+ }
+
+ // inf_leave <- here is real place for "goto inf_leave", emulated via "break inf_leave"
+
+ /*
+ Return from inflate(), updating the total counts and the check value.
+ If there was no progress during the inflate() call, return a buffer
+ error. Call updatewindow() to create and/or update the window state.
+ Note: a memory error from inflate() is non-recoverable.
+ */
+
+ //--- RESTORE() ---
+ strm.next_out = put;
+ strm.avail_out = left;
+ strm.next_in = next;
+ strm.avail_in = have;
+ state.hold = hold;
+ state.bits = bits;
+ //---
+
+ if (state.wsize || (_out !== strm.avail_out && state.mode < BAD &&
+ (state.mode < CHECK || flush !== Z_FINISH))) {
+ if (updatewindow(strm, strm.output, strm.next_out, _out - strm.avail_out)) {
+ state.mode = MEM;
+ return Z_MEM_ERROR;
+ }
+ }
+ _in -= strm.avail_in;
+ _out -= strm.avail_out;
+ strm.total_in += _in;
+ strm.total_out += _out;
+ state.total += _out;
+ if (state.wrap && _out) {
+ strm.adler = state.check = /*UPDATE(state.check, strm.next_out - _out, _out);*/
+ (state.flags ? crc32(state.check, output, _out, strm.next_out - _out) : adler32(state.check, output, _out, strm.next_out - _out));
+ }
+ strm.data_type = state.bits + (state.last ? 64 : 0) +
+ (state.mode === TYPE ? 128 : 0) +
+ (state.mode === LEN_ || state.mode === COPY_ ? 256 : 0);
+ if (((_in === 0 && _out === 0) || flush === Z_FINISH) && ret === Z_OK) {
+ ret = Z_BUF_ERROR;
+ }
+ return ret;
+}
+
+function inflateEnd(strm) {
+
+ if (!strm || !strm.state /*|| strm->zfree == (free_func)0*/) {
+ return Z_STREAM_ERROR;
+ }
+
+ var state = strm.state;
+ if (state.window) {
+ state.window = null;
+ }
+ strm.state = null;
+ return Z_OK;
+}
+
+function inflateGetHeader(strm, head) {
+ var state;
+
+ /* check state */
+ if (!strm || !strm.state) { return Z_STREAM_ERROR; }
+ state = strm.state;
+ if ((state.wrap & 2) === 0) { return Z_STREAM_ERROR; }
+
+ /* save header structure */
+ state.head = head;
+ head.done = false;
+ return Z_OK;
+}
+
+function inflateSetDictionary(strm, dictionary) {
+ var dictLength = dictionary.length;
+
+ var state;
+ var dictid;
+ var ret;
+
+ /* check state */
+ if (!strm /* == Z_NULL */ || !strm.state /* == Z_NULL */) { return Z_STREAM_ERROR; }
+ state = strm.state;
+
+ if (state.wrap !== 0 && state.mode !== DICT) {
+ return Z_STREAM_ERROR;
+ }
+
+ /* check for correct dictionary identifier */
+ if (state.mode === DICT) {
+ dictid = 1; /* adler32(0, null, 0)*/
+ /* dictid = adler32(dictid, dictionary, dictLength); */
+ dictid = adler32(dictid, dictionary, dictLength, 0);
+ if (dictid !== state.check) {
+ return Z_DATA_ERROR;
+ }
+ }
+ /* copy dictionary to window using updatewindow(), which will amend the
+ existing dictionary if appropriate */
+ ret = updatewindow(strm, dictionary, dictLength, dictLength);
+ if (ret) {
+ state.mode = MEM;
+ return Z_MEM_ERROR;
+ }
+ state.havedict = 1;
+ // Tracev((stderr, "inflate: dictionary set\n"));
+ return Z_OK;
+}
+
+exports.inflateReset = inflateReset;
+exports.inflateReset2 = inflateReset2;
+exports.inflateResetKeep = inflateResetKeep;
+exports.inflateInit = inflateInit;
+exports.inflateInit2 = inflateInit2;
+exports.inflate = inflate;
+exports.inflateEnd = inflateEnd;
+exports.inflateGetHeader = inflateGetHeader;
+exports.inflateSetDictionary = inflateSetDictionary;
+exports.inflateInfo = 'pako inflate (from Nodeca project)';
+
+/* Not implemented
+exports.inflateCopy = inflateCopy;
+exports.inflateGetDictionary = inflateGetDictionary;
+exports.inflateMark = inflateMark;
+exports.inflatePrime = inflatePrime;
+exports.inflateSync = inflateSync;
+exports.inflateSyncPoint = inflateSyncPoint;
+exports.inflateUndermine = inflateUndermine;
+*/
+
+},{"../utils/common":318,"./adler32":319,"./crc32":321,"./inffast":323,"./inftrees":325}],325:[function(require,module,exports){
+'use strict';
+
+// (C) 1995-2013 Jean-loup Gailly and Mark Adler
+// (C) 2014-2017 Vitaly Puzrin and Andrey Tupitsin
+//
+// This software is provided 'as-is', without any express or implied
+// warranty. In no event will the authors be held liable for any damages
+// arising from the use of this software.
+//
+// Permission is granted to anyone to use this software for any purpose,
+// including commercial applications, and to alter it and redistribute it
+// freely, subject to the following restrictions:
+//
+// 1. The origin of this software must not be misrepresented; you must not
+// claim that you wrote the original software. If you use this software
+// in a product, an acknowledgment in the product documentation would be
+// appreciated but is not required.
+// 2. Altered source versions must be plainly marked as such, and must not be
+// misrepresented as being the original software.
+// 3. This notice may not be removed or altered from any source distribution.
+
+var utils = require('../utils/common');
+
+var MAXBITS = 15;
+var ENOUGH_LENS = 852;
+var ENOUGH_DISTS = 592;
+//var ENOUGH = (ENOUGH_LENS+ENOUGH_DISTS);
+
+var CODES = 0;
+var LENS = 1;
+var DISTS = 2;
+
+var lbase = [ /* Length codes 257..285 base */
+ 3, 4, 5, 6, 7, 8, 9, 10, 11, 13, 15, 17, 19, 23, 27, 31,
+ 35, 43, 51, 59, 67, 83, 99, 115, 131, 163, 195, 227, 258, 0, 0
+];
+
+var lext = [ /* Length codes 257..285 extra */
+ 16, 16, 16, 16, 16, 16, 16, 16, 17, 17, 17, 17, 18, 18, 18, 18,
+ 19, 19, 19, 19, 20, 20, 20, 20, 21, 21, 21, 21, 16, 72, 78
+];
+
+var dbase = [ /* Distance codes 0..29 base */
+ 1, 2, 3, 4, 5, 7, 9, 13, 17, 25, 33, 49, 65, 97, 129, 193,
+ 257, 385, 513, 769, 1025, 1537, 2049, 3073, 4097, 6145,
+ 8193, 12289, 16385, 24577, 0, 0
+];
+
+var dext = [ /* Distance codes 0..29 extra */
+ 16, 16, 16, 16, 17, 17, 18, 18, 19, 19, 20, 20, 21, 21, 22, 22,
+ 23, 23, 24, 24, 25, 25, 26, 26, 27, 27,
+ 28, 28, 29, 29, 64, 64
+];
+
+module.exports = function inflate_table(type, lens, lens_index, codes, table, table_index, work, opts)
+{
+ var bits = opts.bits;
+ //here = opts.here; /* table entry for duplication */
+
+ var len = 0; /* a code's length in bits */
+ var sym = 0; /* index of code symbols */
+ var min = 0, max = 0; /* minimum and maximum code lengths */
+ var root = 0; /* number of index bits for root table */
+ var curr = 0; /* number of index bits for current table */
+ var drop = 0; /* code bits to drop for sub-table */
+ var left = 0; /* number of prefix codes available */
+ var used = 0; /* code entries in table used */
+ var huff = 0; /* Huffman code */
+ var incr; /* for incrementing code, index */
+ var fill; /* index for replicating entries */
+ var low; /* low bits for current root entry */
+ var mask; /* mask for low root bits */
+ var next; /* next available space in table */
+ var base = null; /* base value table to use */
+ var base_index = 0;
+// var shoextra; /* extra bits table to use */
+ var end; /* use base and extra for symbol > end */
+ var count = new utils.Buf16(MAXBITS + 1); //[MAXBITS+1]; /* number of codes of each length */
+ var offs = new utils.Buf16(MAXBITS + 1); //[MAXBITS+1]; /* offsets in table for each length */
+ var extra = null;
+ var extra_index = 0;
+
+ var here_bits, here_op, here_val;
+
+ /*
+ Process a set of code lengths to create a canonical Huffman code. The
+ code lengths are lens[0..codes-1]. Each length corresponds to the
+ symbols 0..codes-1. The Huffman code is generated by first sorting the
+ symbols by length from short to long, and retaining the symbol order
+ for codes with equal lengths. Then the code starts with all zero bits
+ for the first code of the shortest length, and the codes are integer
+ increments for the same length, and zeros are appended as the length
+ increases. For the deflate format, these bits are stored backwards
+ from their more natural integer increment ordering, and so when the
+ decoding tables are built in the large loop below, the integer codes
+ are incremented backwards.
+
+ This routine assumes, but does not check, that all of the entries in
+ lens[] are in the range 0..MAXBITS. The caller must assure this.
+ 1..MAXBITS is interpreted as that code length. zero means that that
+ symbol does not occur in this code.
+
+ The codes are sorted by computing a count of codes for each length,
+ creating from that a table of starting indices for each length in the
+ sorted table, and then entering the symbols in order in the sorted
+ table. The sorted table is work[], with that space being provided by
+ the caller.
+
+ The length counts are used for other purposes as well, i.e. finding
+ the minimum and maximum length codes, determining if there are any
+ codes at all, checking for a valid set of lengths, and looking ahead
+ at length counts to determine sub-table sizes when building the
+ decoding tables.
+ */
+
+ /* accumulate lengths for codes (assumes lens[] all in 0..MAXBITS) */
+ for (len = 0; len <= MAXBITS; len++) {
+ count[len] = 0;
+ }
+ for (sym = 0; sym < codes; sym++) {
+ count[lens[lens_index + sym]]++;
+ }
+
+ /* bound code lengths, force root to be within code lengths */
+ root = bits;
+ for (max = MAXBITS; max >= 1; max--) {
+ if (count[max] !== 0) { break; }
+ }
+ if (root > max) {
+ root = max;
+ }
+ if (max === 0) { /* no symbols to code at all */
+ //table.op[opts.table_index] = 64; //here.op = (var char)64; /* invalid code marker */
+ //table.bits[opts.table_index] = 1; //here.bits = (var char)1;
+ //table.val[opts.table_index++] = 0; //here.val = (var short)0;
+ table[table_index++] = (1 << 24) | (64 << 16) | 0;
+
+
+ //table.op[opts.table_index] = 64;
+ //table.bits[opts.table_index] = 1;
+ //table.val[opts.table_index++] = 0;
+ table[table_index++] = (1 << 24) | (64 << 16) | 0;
+
+ opts.bits = 1;
+ return 0; /* no symbols, but wait for decoding to report error */
+ }
+ for (min = 1; min < max; min++) {
+ if (count[min] !== 0) { break; }
+ }
+ if (root < min) {
+ root = min;
+ }
+
+ /* check for an over-subscribed or incomplete set of lengths */
+ left = 1;
+ for (len = 1; len <= MAXBITS; len++) {
+ left <<= 1;
+ left -= count[len];
+ if (left < 0) {
+ return -1;
+ } /* over-subscribed */
+ }
+ if (left > 0 && (type === CODES || max !== 1)) {
+ return -1; /* incomplete set */
+ }
+
+ /* generate offsets into symbol table for each length for sorting */
+ offs[1] = 0;
+ for (len = 1; len < MAXBITS; len++) {
+ offs[len + 1] = offs[len] + count[len];
+ }
+
+ /* sort symbols by length, by symbol order within each length */
+ for (sym = 0; sym < codes; sym++) {
+ if (lens[lens_index + sym] !== 0) {
+ work[offs[lens[lens_index + sym]]++] = sym;
+ }
+ }
+
+ /*
+ Create and fill in decoding tables. In this loop, the table being
+ filled is at next and has curr index bits. The code being used is huff
+ with length len. That code is converted to an index by dropping drop
+ bits off of the bottom. For codes where len is less than drop + curr,
+ those top drop + curr - len bits are incremented through all values to
+ fill the table with replicated entries.
+
+ root is the number of index bits for the root table. When len exceeds
+ root, sub-tables are created pointed to by the root entry with an index
+ of the low root bits of huff. This is saved in low to check for when a
+ new sub-table should be started. drop is zero when the root table is
+ being filled, and drop is root when sub-tables are being filled.
+
+ When a new sub-table is needed, it is necessary to look ahead in the
+ code lengths to determine what size sub-table is needed. The length
+ counts are used for this, and so count[] is decremented as codes are
+ entered in the tables.
+
+ used keeps track of how many table entries have been allocated from the
+ provided *table space. It is checked for LENS and DIST tables against
+ the constants ENOUGH_LENS and ENOUGH_DISTS to guard against changes in
+ the initial root table size constants. See the comments in inftrees.h
+ for more information.
+
+ sym increments through all symbols, and the loop terminates when
+ all codes of length max, i.e. all codes, have been processed. This
+ routine permits incomplete codes, so another loop after this one fills
+ in the rest of the decoding tables with invalid code markers.
+ */
+
+ /* set up for code type */
+ // poor man optimization - use if-else instead of switch,
+ // to avoid deopts in old v8
+ if (type === CODES) {
+ base = extra = work; /* dummy value--not used */
+ end = 19;
+
+ } else if (type === LENS) {
+ base = lbase;
+ base_index -= 257;
+ extra = lext;
+ extra_index -= 257;
+ end = 256;
+
+ } else { /* DISTS */
+ base = dbase;
+ extra = dext;
+ end = -1;
+ }
+
+ /* initialize opts for loop */
+ huff = 0; /* starting code */
+ sym = 0; /* starting code symbol */
+ len = min; /* starting code length */
+ next = table_index; /* current table to fill in */
+ curr = root; /* current table index bits */
+ drop = 0; /* current bits to drop from code for index */
+ low = -1; /* trigger new sub-table when len > root */
+ used = 1 << root; /* use root table entries */
+ mask = used - 1; /* mask for comparing low */
+
+ /* check available table space */
+ if ((type === LENS && used > ENOUGH_LENS) ||
+ (type === DISTS && used > ENOUGH_DISTS)) {
+ return 1;
+ }
+
+ /* process all codes and make table entries */
+ for (;;) {
+ /* create table entry */
+ here_bits = len - drop;
+ if (work[sym] < end) {
+ here_op = 0;
+ here_val = work[sym];
+ }
+ else if (work[sym] > end) {
+ here_op = extra[extra_index + work[sym]];
+ here_val = base[base_index + work[sym]];
+ }
+ else {
+ here_op = 32 + 64; /* end of block */
+ here_val = 0;
+ }
+
+ /* replicate for those indices with low len bits equal to huff */
+ incr = 1 << (len - drop);
+ fill = 1 << curr;
+ min = fill; /* save offset to next table */
+ do {
+ fill -= incr;
+ table[next + (huff >> drop) + fill] = (here_bits << 24) | (here_op << 16) | here_val |0;
+ } while (fill !== 0);
+
+ /* backwards increment the len-bit code huff */
+ incr = 1 << (len - 1);
+ while (huff & incr) {
+ incr >>= 1;
+ }
+ if (incr !== 0) {
+ huff &= incr - 1;
+ huff += incr;
+ } else {
+ huff = 0;
+ }
+
+ /* go to next symbol, update count, len */
+ sym++;
+ if (--count[len] === 0) {
+ if (len === max) { break; }
+ len = lens[lens_index + work[sym]];
+ }
+
+ /* create new sub-table if needed */
+ if (len > root && (huff & mask) !== low) {
+ /* if first time, transition to sub-tables */
+ if (drop === 0) {
+ drop = root;
+ }
+
+ /* increment past last table */
+ next += min; /* here min is 1 << curr */
+
+ /* determine length of next table */
+ curr = len - drop;
+ left = 1 << curr;
+ while (curr + drop < max) {
+ left -= count[curr + drop];
+ if (left <= 0) { break; }
+ curr++;
+ left <<= 1;
+ }
+
+ /* check for enough space */
+ used += 1 << curr;
+ if ((type === LENS && used > ENOUGH_LENS) ||
+ (type === DISTS && used > ENOUGH_DISTS)) {
+ return 1;
+ }
+
+ /* point entry in root table to sub-table */
+ low = huff & mask;
+ /*table.op[low] = curr;
+ table.bits[low] = root;
+ table.val[low] = next - opts.table_index;*/
+ table[low] = (root << 24) | (curr << 16) | (next - table_index) |0;
+ }
+ }
+
+ /* fill in remaining table entry if code is incomplete (guaranteed to have
+ at most one remaining entry, since if the code is incomplete, the
+ maximum code length that was allowed to get this far is one bit) */
+ if (huff !== 0) {
+ //table.op[next + huff] = 64; /* invalid code marker */
+ //table.bits[next + huff] = len - drop;
+ //table.val[next + huff] = 0;
+ table[next + huff] = ((len - drop) << 24) | (64 << 16) |0;
+ }
+
+ /* set return parameters */
+ //opts.table_index += used;
+ opts.bits = root;
+ return 0;
+};
+
+},{"../utils/common":318}],326:[function(require,module,exports){
+'use strict';
+
+// (C) 1995-2013 Jean-loup Gailly and Mark Adler
+// (C) 2014-2017 Vitaly Puzrin and Andrey Tupitsin
+//
+// This software is provided 'as-is', without any express or implied
+// warranty. In no event will the authors be held liable for any damages
+// arising from the use of this software.
+//
+// Permission is granted to anyone to use this software for any purpose,
+// including commercial applications, and to alter it and redistribute it
+// freely, subject to the following restrictions:
+//
+// 1. The origin of this software must not be misrepresented; you must not
+// claim that you wrote the original software. If you use this software
+// in a product, an acknowledgment in the product documentation would be
+// appreciated but is not required.
+// 2. Altered source versions must be plainly marked as such, and must not be
+// misrepresented as being the original software.
+// 3. This notice may not be removed or altered from any source distribution.
+
+module.exports = {
+ 2: 'need dictionary', /* Z_NEED_DICT 2 */
+ 1: 'stream end', /* Z_STREAM_END 1 */
+ 0: '', /* Z_OK 0 */
+ '-1': 'file error', /* Z_ERRNO (-1) */
+ '-2': 'stream error', /* Z_STREAM_ERROR (-2) */
+ '-3': 'data error', /* Z_DATA_ERROR (-3) */
+ '-4': 'insufficient memory', /* Z_MEM_ERROR (-4) */
+ '-5': 'buffer error', /* Z_BUF_ERROR (-5) */
+ '-6': 'incompatible version' /* Z_VERSION_ERROR (-6) */
+};
+
+},{}],327:[function(require,module,exports){
+'use strict';
+
+// (C) 1995-2013 Jean-loup Gailly and Mark Adler
+// (C) 2014-2017 Vitaly Puzrin and Andrey Tupitsin
+//
+// This software is provided 'as-is', without any express or implied
+// warranty. In no event will the authors be held liable for any damages
+// arising from the use of this software.
+//
+// Permission is granted to anyone to use this software for any purpose,
+// including commercial applications, and to alter it and redistribute it
+// freely, subject to the following restrictions:
+//
+// 1. The origin of this software must not be misrepresented; you must not
+// claim that you wrote the original software. If you use this software
+// in a product, an acknowledgment in the product documentation would be
+// appreciated but is not required.
+// 2. Altered source versions must be plainly marked as such, and must not be
+// misrepresented as being the original software.
+// 3. This notice may not be removed or altered from any source distribution.
+
+var utils = require('../utils/common');
+
+/* Public constants ==========================================================*/
+/* ===========================================================================*/
+
+
+//var Z_FILTERED = 1;
+//var Z_HUFFMAN_ONLY = 2;
+//var Z_RLE = 3;
+var Z_FIXED = 4;
+//var Z_DEFAULT_STRATEGY = 0;
+
+/* Possible values of the data_type field (though see inflate()) */
+var Z_BINARY = 0;
+var Z_TEXT = 1;
+//var Z_ASCII = 1; // = Z_TEXT
+var Z_UNKNOWN = 2;
+
+/*============================================================================*/
+
+
+function zero(buf) { var len = buf.length; while (--len >= 0) { buf[len] = 0; } }
+
+// From zutil.h
+
+var STORED_BLOCK = 0;
+var STATIC_TREES = 1;
+var DYN_TREES = 2;
+/* The three kinds of block type */
+
+var MIN_MATCH = 3;
+var MAX_MATCH = 258;
+/* The minimum and maximum match lengths */
+
+// From deflate.h
+/* ===========================================================================
+ * Internal compression state.
+ */
+
+var LENGTH_CODES = 29;
+/* number of length codes, not counting the special END_BLOCK code */
+
+var LITERALS = 256;
+/* number of literal bytes 0..255 */
+
+var L_CODES = LITERALS + 1 + LENGTH_CODES;
+/* number of Literal or Length codes, including the END_BLOCK code */
+
+var D_CODES = 30;
+/* number of distance codes */
+
+var BL_CODES = 19;
+/* number of codes used to transfer the bit lengths */
+
+var HEAP_SIZE = 2 * L_CODES + 1;
+/* maximum heap size */
+
+var MAX_BITS = 15;
+/* All codes must not exceed MAX_BITS bits */
+
+var Buf_size = 16;
+/* size of bit buffer in bi_buf */
+
+
+/* ===========================================================================
+ * Constants
+ */
+
+var MAX_BL_BITS = 7;
+/* Bit length codes must not exceed MAX_BL_BITS bits */
+
+var END_BLOCK = 256;
+/* end of block literal code */
+
+var REP_3_6 = 16;
+/* repeat previous bit length 3-6 times (2 bits of repeat count) */
+
+var REPZ_3_10 = 17;
+/* repeat a zero length 3-10 times (3 bits of repeat count) */
+
+var REPZ_11_138 = 18;
+/* repeat a zero length 11-138 times (7 bits of repeat count) */
+
+/* eslint-disable comma-spacing,array-bracket-spacing */
+var extra_lbits = /* extra bits for each length code */
+ [0,0,0,0,0,0,0,0,1,1,1,1,2,2,2,2,3,3,3,3,4,4,4,4,5,5,5,5,0];
+
+var extra_dbits = /* extra bits for each distance code */
+ [0,0,0,0,1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,11,11,12,12,13,13];
+
+var extra_blbits = /* extra bits for each bit length code */
+ [0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,2,3,7];
+
+var bl_order =
+ [16,17,18,0,8,7,9,6,10,5,11,4,12,3,13,2,14,1,15];
+/* eslint-enable comma-spacing,array-bracket-spacing */
+
+/* The lengths of the bit length codes are sent in order of decreasing
+ * probability, to avoid transmitting the lengths for unused bit length codes.
+ */
+
+/* ===========================================================================
+ * Local data. These are initialized only once.
+ */
+
+// We pre-fill arrays with 0 to avoid uninitialized gaps
+
+var DIST_CODE_LEN = 512; /* see definition of array dist_code below */
+
+// !!!! Use flat array instead of structure, Freq = i*2, Len = i*2+1
+var static_ltree = new Array((L_CODES + 2) * 2);
+zero(static_ltree);
+/* The static literal tree. Since the bit lengths are imposed, there is no
+ * need for the L_CODES extra codes used during heap construction. However
+ * The codes 286 and 287 are needed to build a canonical tree (see _tr_init
+ * below).
+ */
+
+var static_dtree = new Array(D_CODES * 2);
+zero(static_dtree);
+/* The static distance tree. (Actually a trivial tree since all codes use
+ * 5 bits.)
+ */
+
+var _dist_code = new Array(DIST_CODE_LEN);
+zero(_dist_code);
+/* Distance codes. The first 256 values correspond to the distances
+ * 3 .. 258, the last 256 values correspond to the top 8 bits of
+ * the 15 bit distances.
+ */
+
+var _length_code = new Array(MAX_MATCH - MIN_MATCH + 1);
+zero(_length_code);
+/* length code for each normalized match length (0 == MIN_MATCH) */
+
+var base_length = new Array(LENGTH_CODES);
+zero(base_length);
+/* First normalized length for each code (0 = MIN_MATCH) */
+
+var base_dist = new Array(D_CODES);
+zero(base_dist);
+/* First normalized distance for each code (0 = distance of 1) */
+
+
+function StaticTreeDesc(static_tree, extra_bits, extra_base, elems, max_length) {
+
+ this.static_tree = static_tree; /* static tree or NULL */
+ this.extra_bits = extra_bits; /* extra bits for each code or NULL */
+ this.extra_base = extra_base; /* base index for extra_bits */
+ this.elems = elems; /* max number of elements in the tree */
+ this.max_length = max_length; /* max bit length for the codes */
+
+ // show if `static_tree` has data or dummy - needed for monomorphic objects
+ this.has_stree = static_tree && static_tree.length;
+}
+
+
+var static_l_desc;
+var static_d_desc;
+var static_bl_desc;
+
+
+function TreeDesc(dyn_tree, stat_desc) {
+ this.dyn_tree = dyn_tree; /* the dynamic tree */
+ this.max_code = 0; /* largest code with non zero frequency */
+ this.stat_desc = stat_desc; /* the corresponding static tree */
+}
+
+
+
+function d_code(dist) {
+ return dist < 256 ? _dist_code[dist] : _dist_code[256 + (dist >>> 7)];
+}
+
+
+/* ===========================================================================
+ * Output a short LSB first on the stream.
+ * IN assertion: there is enough room in pendingBuf.
+ */
+function put_short(s, w) {
+// put_byte(s, (uch)((w) & 0xff));
+// put_byte(s, (uch)((ush)(w) >> 8));
+ s.pending_buf[s.pending++] = (w) & 0xff;
+ s.pending_buf[s.pending++] = (w >>> 8) & 0xff;
+}
+
+
+/* ===========================================================================
+ * Send a value on a given number of bits.
+ * IN assertion: length <= 16 and value fits in length bits.
+ */
+function send_bits(s, value, length) {
+ if (s.bi_valid > (Buf_size - length)) {
+ s.bi_buf |= (value << s.bi_valid) & 0xffff;
+ put_short(s, s.bi_buf);
+ s.bi_buf = value >> (Buf_size - s.bi_valid);
+ s.bi_valid += length - Buf_size;
+ } else {
+ s.bi_buf |= (value << s.bi_valid) & 0xffff;
+ s.bi_valid += length;
+ }
+}
+
+
+function send_code(s, c, tree) {
+ send_bits(s, tree[c * 2]/*.Code*/, tree[c * 2 + 1]/*.Len*/);
+}
+
+
+/* ===========================================================================
+ * Reverse the first len bits of a code, using straightforward code (a faster
+ * method would use a table)
+ * IN assertion: 1 <= len <= 15
+ */
+function bi_reverse(code, len) {
+ var res = 0;
+ do {
+ res |= code & 1;
+ code >>>= 1;
+ res <<= 1;
+ } while (--len > 0);
+ return res >>> 1;
+}
+
+
+/* ===========================================================================
+ * Flush the bit buffer, keeping at most 7 bits in it.
+ */
+function bi_flush(s) {
+ if (s.bi_valid === 16) {
+ put_short(s, s.bi_buf);
+ s.bi_buf = 0;
+ s.bi_valid = 0;
+
+ } else if (s.bi_valid >= 8) {
+ s.pending_buf[s.pending++] = s.bi_buf & 0xff;
+ s.bi_buf >>= 8;
+ s.bi_valid -= 8;
+ }
+}
+
+
+/* ===========================================================================
+ * Compute the optimal bit lengths for a tree and update the total bit length
+ * for the current block.
+ * IN assertion: the fields freq and dad are set, heap[heap_max] and
+ * above are the tree nodes sorted by increasing frequency.
+ * OUT assertions: the field len is set to the optimal bit length, the
+ * array bl_count contains the frequencies for each bit length.
+ * The length opt_len is updated; static_len is also updated if stree is
+ * not null.
+ */
+function gen_bitlen(s, desc)
+// deflate_state *s;
+// tree_desc *desc; /* the tree descriptor */
+{
+ var tree = desc.dyn_tree;
+ var max_code = desc.max_code;
+ var stree = desc.stat_desc.static_tree;
+ var has_stree = desc.stat_desc.has_stree;
+ var extra = desc.stat_desc.extra_bits;
+ var base = desc.stat_desc.extra_base;
+ var max_length = desc.stat_desc.max_length;
+ var h; /* heap index */
+ var n, m; /* iterate over the tree elements */
+ var bits; /* bit length */
+ var xbits; /* extra bits */
+ var f; /* frequency */
+ var overflow = 0; /* number of elements with bit length too large */
+
+ for (bits = 0; bits <= MAX_BITS; bits++) {
+ s.bl_count[bits] = 0;
+ }
+
+ /* In a first pass, compute the optimal bit lengths (which may
+ * overflow in the case of the bit length tree).
+ */
+ tree[s.heap[s.heap_max] * 2 + 1]/*.Len*/ = 0; /* root of the heap */
+
+ for (h = s.heap_max + 1; h < HEAP_SIZE; h++) {
+ n = s.heap[h];
+ bits = tree[tree[n * 2 + 1]/*.Dad*/ * 2 + 1]/*.Len*/ + 1;
+ if (bits > max_length) {
+ bits = max_length;
+ overflow++;
+ }
+ tree[n * 2 + 1]/*.Len*/ = bits;
+ /* We overwrite tree[n].Dad which is no longer needed */
+
+ if (n > max_code) { continue; } /* not a leaf node */
+
+ s.bl_count[bits]++;
+ xbits = 0;
+ if (n >= base) {
+ xbits = extra[n - base];
+ }
+ f = tree[n * 2]/*.Freq*/;
+ s.opt_len += f * (bits + xbits);
+ if (has_stree) {
+ s.static_len += f * (stree[n * 2 + 1]/*.Len*/ + xbits);
+ }
+ }
+ if (overflow === 0) { return; }
+
+ // Trace((stderr,"\nbit length overflow\n"));
+ /* This happens for example on obj2 and pic of the Calgary corpus */
+
+ /* Find the first bit length which could increase: */
+ do {
+ bits = max_length - 1;
+ while (s.bl_count[bits] === 0) { bits--; }
+ s.bl_count[bits]--; /* move one leaf down the tree */
+ s.bl_count[bits + 1] += 2; /* move one overflow item as its brother */
+ s.bl_count[max_length]--;
+ /* The brother of the overflow item also moves one step up,
+ * but this does not affect bl_count[max_length]
+ */
+ overflow -= 2;
+ } while (overflow > 0);
+
+ /* Now recompute all bit lengths, scanning in increasing frequency.
+ * h is still equal to HEAP_SIZE. (It is simpler to reconstruct all
+ * lengths instead of fixing only the wrong ones. This idea is taken
+ * from 'ar' written by Haruhiko Okumura.)
+ */
+ for (bits = max_length; bits !== 0; bits--) {
+ n = s.bl_count[bits];
+ while (n !== 0) {
+ m = s.heap[--h];
+ if (m > max_code) { continue; }
+ if (tree[m * 2 + 1]/*.Len*/ !== bits) {
+ // Trace((stderr,"code %d bits %d->%d\n", m, tree[m].Len, bits));
+ s.opt_len += (bits - tree[m * 2 + 1]/*.Len*/) * tree[m * 2]/*.Freq*/;
+ tree[m * 2 + 1]/*.Len*/ = bits;
+ }
+ n--;
+ }
+ }
+}
+
+
+/* ===========================================================================
+ * Generate the codes for a given tree and bit counts (which need not be
+ * optimal).
+ * IN assertion: the array bl_count contains the bit length statistics for
+ * the given tree and the field len is set for all tree elements.
+ * OUT assertion: the field code is set for all tree elements of non
+ * zero code length.
+ */
+function gen_codes(tree, max_code, bl_count)
+// ct_data *tree; /* the tree to decorate */
+// int max_code; /* largest code with non zero frequency */
+// ushf *bl_count; /* number of codes at each bit length */
+{
+ var next_code = new Array(MAX_BITS + 1); /* next code value for each bit length */
+ var code = 0; /* running code value */
+ var bits; /* bit index */
+ var n; /* code index */
+
+ /* The distribution counts are first used to generate the code values
+ * without bit reversal.
+ */
+ for (bits = 1; bits <= MAX_BITS; bits++) {
+ next_code[bits] = code = (code + bl_count[bits - 1]) << 1;
+ }
+ /* Check that the bit counts in bl_count are consistent. The last code
+ * must be all ones.
+ */
+ //Assert (code + bl_count[MAX_BITS]-1 == (1< length code (0..28) */
+ length = 0;
+ for (code = 0; code < LENGTH_CODES - 1; code++) {
+ base_length[code] = length;
+ for (n = 0; n < (1 << extra_lbits[code]); n++) {
+ _length_code[length++] = code;
+ }
+ }
+ //Assert (length == 256, "tr_static_init: length != 256");
+ /* Note that the length 255 (match length 258) can be represented
+ * in two different ways: code 284 + 5 bits or code 285, so we
+ * overwrite length_code[255] to use the best encoding:
+ */
+ _length_code[length - 1] = code;
+
+ /* Initialize the mapping dist (0..32K) -> dist code (0..29) */
+ dist = 0;
+ for (code = 0; code < 16; code++) {
+ base_dist[code] = dist;
+ for (n = 0; n < (1 << extra_dbits[code]); n++) {
+ _dist_code[dist++] = code;
+ }
+ }
+ //Assert (dist == 256, "tr_static_init: dist != 256");
+ dist >>= 7; /* from now on, all distances are divided by 128 */
+ for (; code < D_CODES; code++) {
+ base_dist[code] = dist << 7;
+ for (n = 0; n < (1 << (extra_dbits[code] - 7)); n++) {
+ _dist_code[256 + dist++] = code;
+ }
+ }
+ //Assert (dist == 256, "tr_static_init: 256+dist != 512");
+
+ /* Construct the codes of the static literal tree */
+ for (bits = 0; bits <= MAX_BITS; bits++) {
+ bl_count[bits] = 0;
+ }
+
+ n = 0;
+ while (n <= 143) {
+ static_ltree[n * 2 + 1]/*.Len*/ = 8;
+ n++;
+ bl_count[8]++;
+ }
+ while (n <= 255) {
+ static_ltree[n * 2 + 1]/*.Len*/ = 9;
+ n++;
+ bl_count[9]++;
+ }
+ while (n <= 279) {
+ static_ltree[n * 2 + 1]/*.Len*/ = 7;
+ n++;
+ bl_count[7]++;
+ }
+ while (n <= 287) {
+ static_ltree[n * 2 + 1]/*.Len*/ = 8;
+ n++;
+ bl_count[8]++;
+ }
+ /* Codes 286 and 287 do not exist, but we must include them in the
+ * tree construction to get a canonical Huffman tree (longest code
+ * all ones)
+ */
+ gen_codes(static_ltree, L_CODES + 1, bl_count);
+
+ /* The static distance tree is trivial: */
+ for (n = 0; n < D_CODES; n++) {
+ static_dtree[n * 2 + 1]/*.Len*/ = 5;
+ static_dtree[n * 2]/*.Code*/ = bi_reverse(n, 5);
+ }
+
+ // Now data ready and we can init static trees
+ static_l_desc = new StaticTreeDesc(static_ltree, extra_lbits, LITERALS + 1, L_CODES, MAX_BITS);
+ static_d_desc = new StaticTreeDesc(static_dtree, extra_dbits, 0, D_CODES, MAX_BITS);
+ static_bl_desc = new StaticTreeDesc(new Array(0), extra_blbits, 0, BL_CODES, MAX_BL_BITS);
+
+ //static_init_done = true;
+}
+
+
+/* ===========================================================================
+ * Initialize a new block.
+ */
+function init_block(s) {
+ var n; /* iterates over tree elements */
+
+ /* Initialize the trees. */
+ for (n = 0; n < L_CODES; n++) { s.dyn_ltree[n * 2]/*.Freq*/ = 0; }
+ for (n = 0; n < D_CODES; n++) { s.dyn_dtree[n * 2]/*.Freq*/ = 0; }
+ for (n = 0; n < BL_CODES; n++) { s.bl_tree[n * 2]/*.Freq*/ = 0; }
+
+ s.dyn_ltree[END_BLOCK * 2]/*.Freq*/ = 1;
+ s.opt_len = s.static_len = 0;
+ s.last_lit = s.matches = 0;
+}
+
+
+/* ===========================================================================
+ * Flush the bit buffer and align the output on a byte boundary
+ */
+function bi_windup(s)
+{
+ if (s.bi_valid > 8) {
+ put_short(s, s.bi_buf);
+ } else if (s.bi_valid > 0) {
+ //put_byte(s, (Byte)s->bi_buf);
+ s.pending_buf[s.pending++] = s.bi_buf;
+ }
+ s.bi_buf = 0;
+ s.bi_valid = 0;
+}
+
+/* ===========================================================================
+ * Copy a stored block, storing first the length and its
+ * one's complement if requested.
+ */
+function copy_block(s, buf, len, header)
+//DeflateState *s;
+//charf *buf; /* the input data */
+//unsigned len; /* its length */
+//int header; /* true if block header must be written */
+{
+ bi_windup(s); /* align on byte boundary */
+
+ if (header) {
+ put_short(s, len);
+ put_short(s, ~len);
+ }
+// while (len--) {
+// put_byte(s, *buf++);
+// }
+ utils.arraySet(s.pending_buf, s.window, buf, len, s.pending);
+ s.pending += len;
+}
+
+/* ===========================================================================
+ * Compares to subtrees, using the tree depth as tie breaker when
+ * the subtrees have equal frequency. This minimizes the worst case length.
+ */
+function smaller(tree, n, m, depth) {
+ var _n2 = n * 2;
+ var _m2 = m * 2;
+ return (tree[_n2]/*.Freq*/ < tree[_m2]/*.Freq*/ ||
+ (tree[_n2]/*.Freq*/ === tree[_m2]/*.Freq*/ && depth[n] <= depth[m]));
+}
+
+/* ===========================================================================
+ * Restore the heap property by moving down the tree starting at node k,
+ * exchanging a node with the smallest of its two sons if necessary, stopping
+ * when the heap property is re-established (each father smaller than its
+ * two sons).
+ */
+function pqdownheap(s, tree, k)
+// deflate_state *s;
+// ct_data *tree; /* the tree to restore */
+// int k; /* node to move down */
+{
+ var v = s.heap[k];
+ var j = k << 1; /* left son of k */
+ while (j <= s.heap_len) {
+ /* Set j to the smallest of the two sons: */
+ if (j < s.heap_len &&
+ smaller(tree, s.heap[j + 1], s.heap[j], s.depth)) {
+ j++;
+ }
+ /* Exit if v is smaller than both sons */
+ if (smaller(tree, v, s.heap[j], s.depth)) { break; }
+
+ /* Exchange v with the smallest son */
+ s.heap[k] = s.heap[j];
+ k = j;
+
+ /* And continue down the tree, setting j to the left son of k */
+ j <<= 1;
+ }
+ s.heap[k] = v;
+}
+
+
+// inlined manually
+// var SMALLEST = 1;
+
+/* ===========================================================================
+ * Send the block data compressed using the given Huffman trees
+ */
+function compress_block(s, ltree, dtree)
+// deflate_state *s;
+// const ct_data *ltree; /* literal tree */
+// const ct_data *dtree; /* distance tree */
+{
+ var dist; /* distance of matched string */
+ var lc; /* match length or unmatched char (if dist == 0) */
+ var lx = 0; /* running index in l_buf */
+ var code; /* the code to send */
+ var extra; /* number of extra bits to send */
+
+ if (s.last_lit !== 0) {
+ do {
+ dist = (s.pending_buf[s.d_buf + lx * 2] << 8) | (s.pending_buf[s.d_buf + lx * 2 + 1]);
+ lc = s.pending_buf[s.l_buf + lx];
+ lx++;
+
+ if (dist === 0) {
+ send_code(s, lc, ltree); /* send a literal byte */
+ //Tracecv(isgraph(lc), (stderr," '%c' ", lc));
+ } else {
+ /* Here, lc is the match length - MIN_MATCH */
+ code = _length_code[lc];
+ send_code(s, code + LITERALS + 1, ltree); /* send the length code */
+ extra = extra_lbits[code];
+ if (extra !== 0) {
+ lc -= base_length[code];
+ send_bits(s, lc, extra); /* send the extra length bits */
+ }
+ dist--; /* dist is now the match distance - 1 */
+ code = d_code(dist);
+ //Assert (code < D_CODES, "bad d_code");
+
+ send_code(s, code, dtree); /* send the distance code */
+ extra = extra_dbits[code];
+ if (extra !== 0) {
+ dist -= base_dist[code];
+ send_bits(s, dist, extra); /* send the extra distance bits */
+ }
+ } /* literal or match pair ? */
+
+ /* Check that the overlay between pending_buf and d_buf+l_buf is ok: */
+ //Assert((uInt)(s->pending) < s->lit_bufsize + 2*lx,
+ // "pendingBuf overflow");
+
+ } while (lx < s.last_lit);
+ }
+
+ send_code(s, END_BLOCK, ltree);
+}
+
+
+/* ===========================================================================
+ * Construct one Huffman tree and assigns the code bit strings and lengths.
+ * Update the total bit length for the current block.
+ * IN assertion: the field freq is set for all tree elements.
+ * OUT assertions: the fields len and code are set to the optimal bit length
+ * and corresponding code. The length opt_len is updated; static_len is
+ * also updated if stree is not null. The field max_code is set.
+ */
+function build_tree(s, desc)
+// deflate_state *s;
+// tree_desc *desc; /* the tree descriptor */
+{
+ var tree = desc.dyn_tree;
+ var stree = desc.stat_desc.static_tree;
+ var has_stree = desc.stat_desc.has_stree;
+ var elems = desc.stat_desc.elems;
+ var n, m; /* iterate over heap elements */
+ var max_code = -1; /* largest code with non zero frequency */
+ var node; /* new node being created */
+
+ /* Construct the initial heap, with least frequent element in
+ * heap[SMALLEST]. The sons of heap[n] are heap[2*n] and heap[2*n+1].
+ * heap[0] is not used.
+ */
+ s.heap_len = 0;
+ s.heap_max = HEAP_SIZE;
+
+ for (n = 0; n < elems; n++) {
+ if (tree[n * 2]/*.Freq*/ !== 0) {
+ s.heap[++s.heap_len] = max_code = n;
+ s.depth[n] = 0;
+
+ } else {
+ tree[n * 2 + 1]/*.Len*/ = 0;
+ }
+ }
+
+ /* The pkzip format requires that at least one distance code exists,
+ * and that at least one bit should be sent even if there is only one
+ * possible code. So to avoid special checks later on we force at least
+ * two codes of non zero frequency.
+ */
+ while (s.heap_len < 2) {
+ node = s.heap[++s.heap_len] = (max_code < 2 ? ++max_code : 0);
+ tree[node * 2]/*.Freq*/ = 1;
+ s.depth[node] = 0;
+ s.opt_len--;
+
+ if (has_stree) {
+ s.static_len -= stree[node * 2 + 1]/*.Len*/;
+ }
+ /* node is 0 or 1 so it does not have extra bits */
+ }
+ desc.max_code = max_code;
+
+ /* The elements heap[heap_len/2+1 .. heap_len] are leaves of the tree,
+ * establish sub-heaps of increasing lengths:
+ */
+ for (n = (s.heap_len >> 1/*int /2*/); n >= 1; n--) { pqdownheap(s, tree, n); }
+
+ /* Construct the Huffman tree by repeatedly combining the least two
+ * frequent nodes.
+ */
+ node = elems; /* next internal node of the tree */
+ do {
+ //pqremove(s, tree, n); /* n = node of least frequency */
+ /*** pqremove ***/
+ n = s.heap[1/*SMALLEST*/];
+ s.heap[1/*SMALLEST*/] = s.heap[s.heap_len--];
+ pqdownheap(s, tree, 1/*SMALLEST*/);
+ /***/
+
+ m = s.heap[1/*SMALLEST*/]; /* m = node of next least frequency */
+
+ s.heap[--s.heap_max] = n; /* keep the nodes sorted by frequency */
+ s.heap[--s.heap_max] = m;
+
+ /* Create a new node father of n and m */
+ tree[node * 2]/*.Freq*/ = tree[n * 2]/*.Freq*/ + tree[m * 2]/*.Freq*/;
+ s.depth[node] = (s.depth[n] >= s.depth[m] ? s.depth[n] : s.depth[m]) + 1;
+ tree[n * 2 + 1]/*.Dad*/ = tree[m * 2 + 1]/*.Dad*/ = node;
+
+ /* and insert the new node in the heap */
+ s.heap[1/*SMALLEST*/] = node++;
+ pqdownheap(s, tree, 1/*SMALLEST*/);
+
+ } while (s.heap_len >= 2);
+
+ s.heap[--s.heap_max] = s.heap[1/*SMALLEST*/];
+
+ /* At this point, the fields freq and dad are set. We can now
+ * generate the bit lengths.
+ */
+ gen_bitlen(s, desc);
+
+ /* The field len is now set, we can generate the bit codes */
+ gen_codes(tree, max_code, s.bl_count);
+}
+
+
+/* ===========================================================================
+ * Scan a literal or distance tree to determine the frequencies of the codes
+ * in the bit length tree.
+ */
+function scan_tree(s, tree, max_code)
+// deflate_state *s;
+// ct_data *tree; /* the tree to be scanned */
+// int max_code; /* and its largest code of non zero frequency */
+{
+ var n; /* iterates over all tree elements */
+ var prevlen = -1; /* last emitted length */
+ var curlen; /* length of current code */
+
+ var nextlen = tree[0 * 2 + 1]/*.Len*/; /* length of next code */
+
+ var count = 0; /* repeat count of the current code */
+ var max_count = 7; /* max repeat count */
+ var min_count = 4; /* min repeat count */
+
+ if (nextlen === 0) {
+ max_count = 138;
+ min_count = 3;
+ }
+ tree[(max_code + 1) * 2 + 1]/*.Len*/ = 0xffff; /* guard */
+
+ for (n = 0; n <= max_code; n++) {
+ curlen = nextlen;
+ nextlen = tree[(n + 1) * 2 + 1]/*.Len*/;
+
+ if (++count < max_count && curlen === nextlen) {
+ continue;
+
+ } else if (count < min_count) {
+ s.bl_tree[curlen * 2]/*.Freq*/ += count;
+
+ } else if (curlen !== 0) {
+
+ if (curlen !== prevlen) { s.bl_tree[curlen * 2]/*.Freq*/++; }
+ s.bl_tree[REP_3_6 * 2]/*.Freq*/++;
+
+ } else if (count <= 10) {
+ s.bl_tree[REPZ_3_10 * 2]/*.Freq*/++;
+
+ } else {
+ s.bl_tree[REPZ_11_138 * 2]/*.Freq*/++;
+ }
+
+ count = 0;
+ prevlen = curlen;
+
+ if (nextlen === 0) {
+ max_count = 138;
+ min_count = 3;
+
+ } else if (curlen === nextlen) {
+ max_count = 6;
+ min_count = 3;
+
+ } else {
+ max_count = 7;
+ min_count = 4;
+ }
+ }
+}
+
+
+/* ===========================================================================
+ * Send a literal or distance tree in compressed form, using the codes in
+ * bl_tree.
+ */
+function send_tree(s, tree, max_code)
+// deflate_state *s;
+// ct_data *tree; /* the tree to be scanned */
+// int max_code; /* and its largest code of non zero frequency */
+{
+ var n; /* iterates over all tree elements */
+ var prevlen = -1; /* last emitted length */
+ var curlen; /* length of current code */
+
+ var nextlen = tree[0 * 2 + 1]/*.Len*/; /* length of next code */
+
+ var count = 0; /* repeat count of the current code */
+ var max_count = 7; /* max repeat count */
+ var min_count = 4; /* min repeat count */
+
+ /* tree[max_code+1].Len = -1; */ /* guard already set */
+ if (nextlen === 0) {
+ max_count = 138;
+ min_count = 3;
+ }
+
+ for (n = 0; n <= max_code; n++) {
+ curlen = nextlen;
+ nextlen = tree[(n + 1) * 2 + 1]/*.Len*/;
+
+ if (++count < max_count && curlen === nextlen) {
+ continue;
+
+ } else if (count < min_count) {
+ do { send_code(s, curlen, s.bl_tree); } while (--count !== 0);
+
+ } else if (curlen !== 0) {
+ if (curlen !== prevlen) {
+ send_code(s, curlen, s.bl_tree);
+ count--;
+ }
+ //Assert(count >= 3 && count <= 6, " 3_6?");
+ send_code(s, REP_3_6, s.bl_tree);
+ send_bits(s, count - 3, 2);
+
+ } else if (count <= 10) {
+ send_code(s, REPZ_3_10, s.bl_tree);
+ send_bits(s, count - 3, 3);
+
+ } else {
+ send_code(s, REPZ_11_138, s.bl_tree);
+ send_bits(s, count - 11, 7);
+ }
+
+ count = 0;
+ prevlen = curlen;
+ if (nextlen === 0) {
+ max_count = 138;
+ min_count = 3;
+
+ } else if (curlen === nextlen) {
+ max_count = 6;
+ min_count = 3;
+
+ } else {
+ max_count = 7;
+ min_count = 4;
+ }
+ }
+}
+
+
+/* ===========================================================================
+ * Construct the Huffman tree for the bit lengths and return the index in
+ * bl_order of the last bit length code to send.
+ */
+function build_bl_tree(s) {
+ var max_blindex; /* index of last bit length code of non zero freq */
+
+ /* Determine the bit length frequencies for literal and distance trees */
+ scan_tree(s, s.dyn_ltree, s.l_desc.max_code);
+ scan_tree(s, s.dyn_dtree, s.d_desc.max_code);
+
+ /* Build the bit length tree: */
+ build_tree(s, s.bl_desc);
+ /* opt_len now includes the length of the tree representations, except
+ * the lengths of the bit lengths codes and the 5+5+4 bits for the counts.
+ */
+
+ /* Determine the number of bit length codes to send. The pkzip format
+ * requires that at least 4 bit length codes be sent. (appnote.txt says
+ * 3 but the actual value used is 4.)
+ */
+ for (max_blindex = BL_CODES - 1; max_blindex >= 3; max_blindex--) {
+ if (s.bl_tree[bl_order[max_blindex] * 2 + 1]/*.Len*/ !== 0) {
+ break;
+ }
+ }
+ /* Update opt_len to include the bit length tree and counts */
+ s.opt_len += 3 * (max_blindex + 1) + 5 + 5 + 4;
+ //Tracev((stderr, "\ndyn trees: dyn %ld, stat %ld",
+ // s->opt_len, s->static_len));
+
+ return max_blindex;
+}
+
+
+/* ===========================================================================
+ * Send the header for a block using dynamic Huffman trees: the counts, the
+ * lengths of the bit length codes, the literal tree and the distance tree.
+ * IN assertion: lcodes >= 257, dcodes >= 1, blcodes >= 4.
+ */
+function send_all_trees(s, lcodes, dcodes, blcodes)
+// deflate_state *s;
+// int lcodes, dcodes, blcodes; /* number of codes for each tree */
+{
+ var rank; /* index in bl_order */
+
+ //Assert (lcodes >= 257 && dcodes >= 1 && blcodes >= 4, "not enough codes");
+ //Assert (lcodes <= L_CODES && dcodes <= D_CODES && blcodes <= BL_CODES,
+ // "too many codes");
+ //Tracev((stderr, "\nbl counts: "));
+ send_bits(s, lcodes - 257, 5); /* not +255 as stated in appnote.txt */
+ send_bits(s, dcodes - 1, 5);
+ send_bits(s, blcodes - 4, 4); /* not -3 as stated in appnote.txt */
+ for (rank = 0; rank < blcodes; rank++) {
+ //Tracev((stderr, "\nbl code %2d ", bl_order[rank]));
+ send_bits(s, s.bl_tree[bl_order[rank] * 2 + 1]/*.Len*/, 3);
+ }
+ //Tracev((stderr, "\nbl tree: sent %ld", s->bits_sent));
+
+ send_tree(s, s.dyn_ltree, lcodes - 1); /* literal tree */
+ //Tracev((stderr, "\nlit tree: sent %ld", s->bits_sent));
+
+ send_tree(s, s.dyn_dtree, dcodes - 1); /* distance tree */
+ //Tracev((stderr, "\ndist tree: sent %ld", s->bits_sent));
+}
+
+
+/* ===========================================================================
+ * Check if the data type is TEXT or BINARY, using the following algorithm:
+ * - TEXT if the two conditions below are satisfied:
+ * a) There are no non-portable control characters belonging to the
+ * "black list" (0..6, 14..25, 28..31).
+ * b) There is at least one printable character belonging to the
+ * "white list" (9 {TAB}, 10 {LF}, 13 {CR}, 32..255).
+ * - BINARY otherwise.
+ * - The following partially-portable control characters form a
+ * "gray list" that is ignored in this detection algorithm:
+ * (7 {BEL}, 8 {BS}, 11 {VT}, 12 {FF}, 26 {SUB}, 27 {ESC}).
+ * IN assertion: the fields Freq of dyn_ltree are set.
+ */
+function detect_data_type(s) {
+ /* black_mask is the bit mask of black-listed bytes
+ * set bits 0..6, 14..25, and 28..31
+ * 0xf3ffc07f = binary 11110011111111111100000001111111
+ */
+ var black_mask = 0xf3ffc07f;
+ var n;
+
+ /* Check for non-textual ("black-listed") bytes. */
+ for (n = 0; n <= 31; n++, black_mask >>>= 1) {
+ if ((black_mask & 1) && (s.dyn_ltree[n * 2]/*.Freq*/ !== 0)) {
+ return Z_BINARY;
+ }
+ }
+
+ /* Check for textual ("white-listed") bytes. */
+ if (s.dyn_ltree[9 * 2]/*.Freq*/ !== 0 || s.dyn_ltree[10 * 2]/*.Freq*/ !== 0 ||
+ s.dyn_ltree[13 * 2]/*.Freq*/ !== 0) {
+ return Z_TEXT;
+ }
+ for (n = 32; n < LITERALS; n++) {
+ if (s.dyn_ltree[n * 2]/*.Freq*/ !== 0) {
+ return Z_TEXT;
+ }
+ }
+
+ /* There are no "black-listed" or "white-listed" bytes:
+ * this stream either is empty or has tolerated ("gray-listed") bytes only.
+ */
+ return Z_BINARY;
+}
+
+
+var static_init_done = false;
+
+/* ===========================================================================
+ * Initialize the tree data structures for a new zlib stream.
+ */
+function _tr_init(s)
+{
+
+ if (!static_init_done) {
+ tr_static_init();
+ static_init_done = true;
+ }
+
+ s.l_desc = new TreeDesc(s.dyn_ltree, static_l_desc);
+ s.d_desc = new TreeDesc(s.dyn_dtree, static_d_desc);
+ s.bl_desc = new TreeDesc(s.bl_tree, static_bl_desc);
+
+ s.bi_buf = 0;
+ s.bi_valid = 0;
+
+ /* Initialize the first block of the first file: */
+ init_block(s);
+}
+
+
+/* ===========================================================================
+ * Send a stored block
+ */
+function _tr_stored_block(s, buf, stored_len, last)
+//DeflateState *s;
+//charf *buf; /* input block */
+//ulg stored_len; /* length of input block */
+//int last; /* one if this is the last block for a file */
+{
+ send_bits(s, (STORED_BLOCK << 1) + (last ? 1 : 0), 3); /* send block type */
+ copy_block(s, buf, stored_len, true); /* with header */
+}
+
+
+/* ===========================================================================
+ * Send one empty static block to give enough lookahead for inflate.
+ * This takes 10 bits, of which 7 may remain in the bit buffer.
+ */
+function _tr_align(s) {
+ send_bits(s, STATIC_TREES << 1, 3);
+ send_code(s, END_BLOCK, static_ltree);
+ bi_flush(s);
+}
+
+
+/* ===========================================================================
+ * Determine the best encoding for the current block: dynamic trees, static
+ * trees or store, and output the encoded block to the zip file.
+ */
+function _tr_flush_block(s, buf, stored_len, last)
+//DeflateState *s;
+//charf *buf; /* input block, or NULL if too old */
+//ulg stored_len; /* length of input block */
+//int last; /* one if this is the last block for a file */
+{
+ var opt_lenb, static_lenb; /* opt_len and static_len in bytes */
+ var max_blindex = 0; /* index of last bit length code of non zero freq */
+
+ /* Build the Huffman trees unless a stored block is forced */
+ if (s.level > 0) {
+
+ /* Check if the file is binary or text */
+ if (s.strm.data_type === Z_UNKNOWN) {
+ s.strm.data_type = detect_data_type(s);
+ }
+
+ /* Construct the literal and distance trees */
+ build_tree(s, s.l_desc);
+ // Tracev((stderr, "\nlit data: dyn %ld, stat %ld", s->opt_len,
+ // s->static_len));
+
+ build_tree(s, s.d_desc);
+ // Tracev((stderr, "\ndist data: dyn %ld, stat %ld", s->opt_len,
+ // s->static_len));
+ /* At this point, opt_len and static_len are the total bit lengths of
+ * the compressed block data, excluding the tree representations.
+ */
+
+ /* Build the bit length tree for the above two trees, and get the index
+ * in bl_order of the last bit length code to send.
+ */
+ max_blindex = build_bl_tree(s);
+
+ /* Determine the best encoding. Compute the block lengths in bytes. */
+ opt_lenb = (s.opt_len + 3 + 7) >>> 3;
+ static_lenb = (s.static_len + 3 + 7) >>> 3;
+
+ // Tracev((stderr, "\nopt %lu(%lu) stat %lu(%lu) stored %lu lit %u ",
+ // opt_lenb, s->opt_len, static_lenb, s->static_len, stored_len,
+ // s->last_lit));
+
+ if (static_lenb <= opt_lenb) { opt_lenb = static_lenb; }
+
+ } else {
+ // Assert(buf != (char*)0, "lost buf");
+ opt_lenb = static_lenb = stored_len + 5; /* force a stored block */
+ }
+
+ if ((stored_len + 4 <= opt_lenb) && (buf !== -1)) {
+ /* 4: two words for the lengths */
+
+ /* The test buf != NULL is only necessary if LIT_BUFSIZE > WSIZE.
+ * Otherwise we can't have processed more than WSIZE input bytes since
+ * the last block flush, because compression would have been
+ * successful. If LIT_BUFSIZE <= WSIZE, it is never too late to
+ * transform a block into a stored block.
+ */
+ _tr_stored_block(s, buf, stored_len, last);
+
+ } else if (s.strategy === Z_FIXED || static_lenb === opt_lenb) {
+
+ send_bits(s, (STATIC_TREES << 1) + (last ? 1 : 0), 3);
+ compress_block(s, static_ltree, static_dtree);
+
+ } else {
+ send_bits(s, (DYN_TREES << 1) + (last ? 1 : 0), 3);
+ send_all_trees(s, s.l_desc.max_code + 1, s.d_desc.max_code + 1, max_blindex + 1);
+ compress_block(s, s.dyn_ltree, s.dyn_dtree);
+ }
+ // Assert (s->compressed_len == s->bits_sent, "bad compressed size");
+ /* The above check is made mod 2^32, for files larger than 512 MB
+ * and uLong implemented on 32 bits.
+ */
+ init_block(s);
+
+ if (last) {
+ bi_windup(s);
+ }
+ // Tracev((stderr,"\ncomprlen %lu(%lu) ", s->compressed_len>>3,
+ // s->compressed_len-7*last));
+}
+
+/* ===========================================================================
+ * Save the match info and tally the frequency counts. Return true if
+ * the current block must be flushed.
+ */
+function _tr_tally(s, dist, lc)
+// deflate_state *s;
+// unsigned dist; /* distance of matched string */
+// unsigned lc; /* match length-MIN_MATCH or unmatched char (if dist==0) */
+{
+ //var out_length, in_length, dcode;
+
+ s.pending_buf[s.d_buf + s.last_lit * 2] = (dist >>> 8) & 0xff;
+ s.pending_buf[s.d_buf + s.last_lit * 2 + 1] = dist & 0xff;
+
+ s.pending_buf[s.l_buf + s.last_lit] = lc & 0xff;
+ s.last_lit++;
+
+ if (dist === 0) {
+ /* lc is the unmatched char */
+ s.dyn_ltree[lc * 2]/*.Freq*/++;
+ } else {
+ s.matches++;
+ /* Here, lc is the match length - MIN_MATCH */
+ dist--; /* dist = match distance - 1 */
+ //Assert((ush)dist < (ush)MAX_DIST(s) &&
+ // (ush)lc <= (ush)(MAX_MATCH-MIN_MATCH) &&
+ // (ush)d_code(dist) < (ush)D_CODES, "_tr_tally: bad match");
+
+ s.dyn_ltree[(_length_code[lc] + LITERALS + 1) * 2]/*.Freq*/++;
+ s.dyn_dtree[d_code(dist) * 2]/*.Freq*/++;
+ }
+
+// (!) This block is disabled in zlib defaults,
+// don't enable it for binary compatibility
+
+//#ifdef TRUNCATE_BLOCK
+// /* Try to guess if it is profitable to stop the current block here */
+// if ((s.last_lit & 0x1fff) === 0 && s.level > 2) {
+// /* Compute an upper bound for the compressed length */
+// out_length = s.last_lit*8;
+// in_length = s.strstart - s.block_start;
+//
+// for (dcode = 0; dcode < D_CODES; dcode++) {
+// out_length += s.dyn_dtree[dcode*2]/*.Freq*/ * (5 + extra_dbits[dcode]);
+// }
+// out_length >>>= 3;
+// //Tracev((stderr,"\nlast_lit %u, in %ld, out ~%ld(%ld%%) ",
+// // s->last_lit, in_length, out_length,
+// // 100L - out_length*100L/in_length));
+// if (s.matches < (s.last_lit>>1)/*int /2*/ && out_length < (in_length>>1)/*int /2*/) {
+// return true;
+// }
+// }
+//#endif
+
+ return (s.last_lit === s.lit_bufsize - 1);
+ /* We avoid equality with lit_bufsize because of wraparound at 64K
+ * on 16 bit machines and because stored blocks are restricted to
+ * 64K-1 bytes.
+ */
+}
+
+exports._tr_init = _tr_init;
+exports._tr_stored_block = _tr_stored_block;
+exports._tr_flush_block = _tr_flush_block;
+exports._tr_tally = _tr_tally;
+exports._tr_align = _tr_align;
+
+},{"../utils/common":318}],328:[function(require,module,exports){
+'use strict';
+
+// (C) 1995-2013 Jean-loup Gailly and Mark Adler
+// (C) 2014-2017 Vitaly Puzrin and Andrey Tupitsin
+//
+// This software is provided 'as-is', without any express or implied
+// warranty. In no event will the authors be held liable for any damages
+// arising from the use of this software.
+//
+// Permission is granted to anyone to use this software for any purpose,
+// including commercial applications, and to alter it and redistribute it
+// freely, subject to the following restrictions:
+//
+// 1. The origin of this software must not be misrepresented; you must not
+// claim that you wrote the original software. If you use this software
+// in a product, an acknowledgment in the product documentation would be
+// appreciated but is not required.
+// 2. Altered source versions must be plainly marked as such, and must not be
+// misrepresented as being the original software.
+// 3. This notice may not be removed or altered from any source distribution.
+
+function ZStream() {
+ /* next input byte */
+ this.input = null; // JS specific, because we have no pointers
+ this.next_in = 0;
+ /* number of bytes available at input */
+ this.avail_in = 0;
+ /* total number of input bytes read so far */
+ this.total_in = 0;
+ /* next output byte should be put there */
+ this.output = null; // JS specific, because we have no pointers
+ this.next_out = 0;
+ /* remaining free space at output */
+ this.avail_out = 0;
+ /* total number of bytes output so far */
+ this.total_out = 0;
+ /* last error message, NULL if no error */
+ this.msg = ''/*Z_NULL*/;
+ /* not visible by applications */
+ this.state = null;
+ /* best guess about the data type: binary or text */
+ this.data_type = 2/*Z_UNKNOWN*/;
+ /* adler32 value of the uncompressed data */
+ this.adler = 0;
+}
+
+module.exports = ZStream;
+
+},{}],329:[function(require,module,exports){
+module.exports={"2.16.840.1.101.3.4.1.1": "aes-128-ecb",
+"2.16.840.1.101.3.4.1.2": "aes-128-cbc",
+"2.16.840.1.101.3.4.1.3": "aes-128-ofb",
+"2.16.840.1.101.3.4.1.4": "aes-128-cfb",
+"2.16.840.1.101.3.4.1.21": "aes-192-ecb",
+"2.16.840.1.101.3.4.1.22": "aes-192-cbc",
+"2.16.840.1.101.3.4.1.23": "aes-192-ofb",
+"2.16.840.1.101.3.4.1.24": "aes-192-cfb",
+"2.16.840.1.101.3.4.1.41": "aes-256-ecb",
+"2.16.840.1.101.3.4.1.42": "aes-256-cbc",
+"2.16.840.1.101.3.4.1.43": "aes-256-ofb",
+"2.16.840.1.101.3.4.1.44": "aes-256-cfb"
+}
+},{}],330:[function(require,module,exports){
+// from https://github.com/indutny/self-signed/blob/gh-pages/lib/asn1.js
+// Fedor, you are amazing.
+'use strict'
+
+var asn1 = require('asn1.js')
+
+exports.certificate = require('./certificate')
+
+var RSAPrivateKey = asn1.define('RSAPrivateKey', function () {
+ this.seq().obj(
+ this.key('version').int(),
+ this.key('modulus').int(),
+ this.key('publicExponent').int(),
+ this.key('privateExponent').int(),
+ this.key('prime1').int(),
+ this.key('prime2').int(),
+ this.key('exponent1').int(),
+ this.key('exponent2').int(),
+ this.key('coefficient').int()
+ )
+})
+exports.RSAPrivateKey = RSAPrivateKey
+
+var RSAPublicKey = asn1.define('RSAPublicKey', function () {
+ this.seq().obj(
+ this.key('modulus').int(),
+ this.key('publicExponent').int()
+ )
+})
+exports.RSAPublicKey = RSAPublicKey
+
+var PublicKey = asn1.define('SubjectPublicKeyInfo', function () {
+ this.seq().obj(
+ this.key('algorithm').use(AlgorithmIdentifier),
+ this.key('subjectPublicKey').bitstr()
+ )
+})
+exports.PublicKey = PublicKey
+
+var AlgorithmIdentifier = asn1.define('AlgorithmIdentifier', function () {
+ this.seq().obj(
+ this.key('algorithm').objid(),
+ this.key('none').null_().optional(),
+ this.key('curve').objid().optional(),
+ this.key('params').seq().obj(
+ this.key('p').int(),
+ this.key('q').int(),
+ this.key('g').int()
+ ).optional()
+ )
+})
+
+var PrivateKeyInfo = asn1.define('PrivateKeyInfo', function () {
+ this.seq().obj(
+ this.key('version').int(),
+ this.key('algorithm').use(AlgorithmIdentifier),
+ this.key('subjectPrivateKey').octstr()
+ )
+})
+exports.PrivateKey = PrivateKeyInfo
+var EncryptedPrivateKeyInfo = asn1.define('EncryptedPrivateKeyInfo', function () {
+ this.seq().obj(
+ this.key('algorithm').seq().obj(
+ this.key('id').objid(),
+ this.key('decrypt').seq().obj(
+ this.key('kde').seq().obj(
+ this.key('id').objid(),
+ this.key('kdeparams').seq().obj(
+ this.key('salt').octstr(),
+ this.key('iters').int()
+ )
+ ),
+ this.key('cipher').seq().obj(
+ this.key('algo').objid(),
+ this.key('iv').octstr()
+ )
+ )
+ ),
+ this.key('subjectPrivateKey').octstr()
+ )
+})
+
+exports.EncryptedPrivateKey = EncryptedPrivateKeyInfo
+
+var DSAPrivateKey = asn1.define('DSAPrivateKey', function () {
+ this.seq().obj(
+ this.key('version').int(),
+ this.key('p').int(),
+ this.key('q').int(),
+ this.key('g').int(),
+ this.key('pub_key').int(),
+ this.key('priv_key').int()
+ )
+})
+exports.DSAPrivateKey = DSAPrivateKey
+
+exports.DSAparam = asn1.define('DSAparam', function () {
+ this.int()
+})
+
+var ECPrivateKey = asn1.define('ECPrivateKey', function () {
+ this.seq().obj(
+ this.key('version').int(),
+ this.key('privateKey').octstr(),
+ this.key('parameters').optional().explicit(0).use(ECParameters),
+ this.key('publicKey').optional().explicit(1).bitstr()
+ )
+})
+exports.ECPrivateKey = ECPrivateKey
+
+var ECParameters = asn1.define('ECParameters', function () {
+ this.choice({
+ namedCurve: this.objid()
+ })
+})
+
+exports.signature = asn1.define('signature', function () {
+ this.seq().obj(
+ this.key('r').int(),
+ this.key('s').int()
+ )
+})
+
+},{"./certificate":331,"asn1.js":47}],331:[function(require,module,exports){
+// from https://github.com/Rantanen/node-dtls/blob/25a7dc861bda38cfeac93a723500eea4f0ac2e86/Certificate.js
+// thanks to @Rantanen
+
+'use strict'
+
+var asn = require('asn1.js')
+
+var Time = asn.define('Time', function () {
+ this.choice({
+ utcTime: this.utctime(),
+ generalTime: this.gentime()
+ })
+})
+
+var AttributeTypeValue = asn.define('AttributeTypeValue', function () {
+ this.seq().obj(
+ this.key('type').objid(),
+ this.key('value').any()
+ )
+})
+
+var AlgorithmIdentifier = asn.define('AlgorithmIdentifier', function () {
+ this.seq().obj(
+ this.key('algorithm').objid(),
+ this.key('parameters').optional()
+ )
+})
+
+var SubjectPublicKeyInfo = asn.define('SubjectPublicKeyInfo', function () {
+ this.seq().obj(
+ this.key('algorithm').use(AlgorithmIdentifier),
+ this.key('subjectPublicKey').bitstr()
+ )
+})
+
+var RelativeDistinguishedName = asn.define('RelativeDistinguishedName', function () {
+ this.setof(AttributeTypeValue)
+})
+
+var RDNSequence = asn.define('RDNSequence', function () {
+ this.seqof(RelativeDistinguishedName)
+})
+
+var Name = asn.define('Name', function () {
+ this.choice({
+ rdnSequence: this.use(RDNSequence)
+ })
+})
+
+var Validity = asn.define('Validity', function () {
+ this.seq().obj(
+ this.key('notBefore').use(Time),
+ this.key('notAfter').use(Time)
+ )
+})
+
+var Extension = asn.define('Extension', function () {
+ this.seq().obj(
+ this.key('extnID').objid(),
+ this.key('critical').bool().def(false),
+ this.key('extnValue').octstr()
+ )
+})
+
+var TBSCertificate = asn.define('TBSCertificate', function () {
+ this.seq().obj(
+ this.key('version').explicit(0).int(),
+ this.key('serialNumber').int(),
+ this.key('signature').use(AlgorithmIdentifier),
+ this.key('issuer').use(Name),
+ this.key('validity').use(Validity),
+ this.key('subject').use(Name),
+ this.key('subjectPublicKeyInfo').use(SubjectPublicKeyInfo),
+ this.key('issuerUniqueID').implicit(1).bitstr().optional(),
+ this.key('subjectUniqueID').implicit(2).bitstr().optional(),
+ this.key('extensions').explicit(3).seqof(Extension).optional()
+ )
+})
+
+var X509Certificate = asn.define('X509Certificate', function () {
+ this.seq().obj(
+ this.key('tbsCertificate').use(TBSCertificate),
+ this.key('signatureAlgorithm').use(AlgorithmIdentifier),
+ this.key('signatureValue').bitstr()
+ )
+})
+
+module.exports = X509Certificate
+
+},{"asn1.js":47}],332:[function(require,module,exports){
+(function (Buffer){
+// adapted from https://github.com/apatil/pemstrip
+var findProc = /Proc-Type: 4,ENCRYPTED\n\r?DEK-Info: AES-((?:128)|(?:192)|(?:256))-CBC,([0-9A-H]+)\n\r?\n\r?([0-9A-z\n\r\+\/\=]+)\n\r?/m
+var startRegex = /^-----BEGIN ((?:.* KEY)|CERTIFICATE)-----\n/m
+var fullRegex = /^-----BEGIN ((?:.* KEY)|CERTIFICATE)-----\n\r?([0-9A-z\n\r\+\/\=]+)\n\r?-----END \1-----$/m
+var evp = require('evp_bytestokey')
+var ciphers = require('browserify-aes')
+module.exports = function (okey, password) {
+ var key = okey.toString()
+ var match = key.match(findProc)
+ var decrypted
+ if (!match) {
+ var match2 = key.match(fullRegex)
+ decrypted = new Buffer(match2[2].replace(/\r?\n/g, ''), 'base64')
+ } else {
+ var suite = 'aes' + match[1]
+ var iv = new Buffer(match[2], 'hex')
+ var cipherText = new Buffer(match[3].replace(/\r?\n/g, ''), 'base64')
+ var cipherKey = evp(password, iv.slice(0, 8), parseInt(match[1], 10)).key
+ var out = []
+ var cipher = ciphers.createDecipheriv(suite, cipherKey, iv)
+ out.push(cipher.update(cipherText))
+ out.push(cipher.final())
+ decrypted = Buffer.concat(out)
+ }
+ var tag = key.match(startRegex)[1]
+ return {
+ tag: tag,
+ data: decrypted
+ }
+}
+
+}).call(this,require("buffer").Buffer)
+},{"browserify-aes":79,"buffer":108,"evp_bytestokey":201}],333:[function(require,module,exports){
+(function (Buffer){
+var asn1 = require('./asn1')
+var aesid = require('./aesid.json')
+var fixProc = require('./fixProc')
+var ciphers = require('browserify-aes')
+var compat = require('pbkdf2')
+module.exports = parseKeys
+
+function parseKeys (buffer) {
+ var password
+ if (typeof buffer === 'object' && !Buffer.isBuffer(buffer)) {
+ password = buffer.passphrase
+ buffer = buffer.key
+ }
+ if (typeof buffer === 'string') {
+ buffer = new Buffer(buffer)
+ }
+
+ var stripped = fixProc(buffer, password)
+
+ var type = stripped.tag
+ var data = stripped.data
+ var subtype, ndata
+ switch (type) {
+ case 'CERTIFICATE':
+ ndata = asn1.certificate.decode(data, 'der').tbsCertificate.subjectPublicKeyInfo
+ // falls through
+ case 'PUBLIC KEY':
+ if (!ndata) {
+ ndata = asn1.PublicKey.decode(data, 'der')
+ }
+ subtype = ndata.algorithm.algorithm.join('.')
+ switch (subtype) {
+ case '1.2.840.113549.1.1.1':
+ return asn1.RSAPublicKey.decode(ndata.subjectPublicKey.data, 'der')
+ case '1.2.840.10045.2.1':
+ ndata.subjectPrivateKey = ndata.subjectPublicKey
+ return {
+ type: 'ec',
+ data: ndata
+ }
+ case '1.2.840.10040.4.1':
+ ndata.algorithm.params.pub_key = asn1.DSAparam.decode(ndata.subjectPublicKey.data, 'der')
+ return {
+ type: 'dsa',
+ data: ndata.algorithm.params
+ }
+ default: throw new Error('unknown key id ' + subtype)
+ }
+ throw new Error('unknown key type ' + type)
+ case 'ENCRYPTED PRIVATE KEY':
+ data = asn1.EncryptedPrivateKey.decode(data, 'der')
+ data = decrypt(data, password)
+ // falls through
+ case 'PRIVATE KEY':
+ ndata = asn1.PrivateKey.decode(data, 'der')
+ subtype = ndata.algorithm.algorithm.join('.')
+ switch (subtype) {
+ case '1.2.840.113549.1.1.1':
+ return asn1.RSAPrivateKey.decode(ndata.subjectPrivateKey, 'der')
+ case '1.2.840.10045.2.1':
+ return {
+ curve: ndata.algorithm.curve,
+ privateKey: asn1.ECPrivateKey.decode(ndata.subjectPrivateKey, 'der').privateKey
+ }
+ case '1.2.840.10040.4.1':
+ ndata.algorithm.params.priv_key = asn1.DSAparam.decode(ndata.subjectPrivateKey, 'der')
+ return {
+ type: 'dsa',
+ params: ndata.algorithm.params
+ }
+ default: throw new Error('unknown key id ' + subtype)
+ }
+ throw new Error('unknown key type ' + type)
+ case 'RSA PUBLIC KEY':
+ return asn1.RSAPublicKey.decode(data, 'der')
+ case 'RSA PRIVATE KEY':
+ return asn1.RSAPrivateKey.decode(data, 'der')
+ case 'DSA PRIVATE KEY':
+ return {
+ type: 'dsa',
+ params: asn1.DSAPrivateKey.decode(data, 'der')
+ }
+ case 'EC PRIVATE KEY':
+ data = asn1.ECPrivateKey.decode(data, 'der')
+ return {
+ curve: data.parameters.value,
+ privateKey: data.privateKey
+ }
+ default: throw new Error('unknown key type ' + type)
+ }
+}
+parseKeys.signature = asn1.signature
+function decrypt (data, password) {
+ var salt = data.algorithm.decrypt.kde.kdeparams.salt
+ var iters = parseInt(data.algorithm.decrypt.kde.kdeparams.iters.toString(), 10)
+ var algo = aesid[data.algorithm.decrypt.cipher.algo.join('.')]
+ var iv = data.algorithm.decrypt.cipher.iv
+ var cipherText = data.subjectPrivateKey
+ var keylen = parseInt(algo.split('-')[1], 10) / 8
+ var key = compat.pbkdf2Sync(password, salt, iters, keylen)
+ var cipher = ciphers.createDecipheriv(algo, key, iv)
+ var out = []
+ out.push(cipher.update(cipherText))
+ out.push(cipher.final())
+ return Buffer.concat(out)
+}
+
+}).call(this,require("buffer").Buffer)
+},{"./aesid.json":329,"./asn1":330,"./fixProc":332,"browserify-aes":79,"buffer":108,"pbkdf2":335}],334:[function(require,module,exports){
+(function (process){
+// Copyright Joyent, Inc. and other Node contributors.
+//
+// Permission is hereby granted, free of charge, to any person obtaining a
+// copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to permit
+// persons to whom the Software is furnished to do so, subject to the
+// following conditions:
+//
+// The above copyright notice and this permission notice shall be included
+// in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
+// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+// USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+// resolves . and .. elements in a path array with directory names there
+// must be no slashes, empty elements, or device names (c:\) in the array
+// (so also no leading and trailing slashes - it does not distinguish
+// relative and absolute paths)
+function normalizeArray(parts, allowAboveRoot) {
+ // if the path tries to go above the root, `up` ends up > 0
+ var up = 0;
+ for (var i = parts.length - 1; i >= 0; i--) {
+ var last = parts[i];
+ if (last === '.') {
+ parts.splice(i, 1);
+ } else if (last === '..') {
+ parts.splice(i, 1);
+ up++;
+ } else if (up) {
+ parts.splice(i, 1);
+ up--;
+ }
+ }
+
+ // if the path is allowed to go above the root, restore leading ..s
+ if (allowAboveRoot) {
+ for (; up--; up) {
+ parts.unshift('..');
+ }
+ }
+
+ return parts;
+}
+
+// Split a filename into [root, dir, basename, ext], unix version
+// 'root' is just a slash, or nothing.
+var splitPathRe =
+ /^(\/?|)([\s\S]*?)((?:\.{1,2}|[^\/]+?|)(\.[^.\/]*|))(?:[\/]*)$/;
+var splitPath = function(filename) {
+ return splitPathRe.exec(filename).slice(1);
+};
+
+// path.resolve([from ...], to)
+// posix version
+exports.resolve = function() {
+ var resolvedPath = '',
+ resolvedAbsolute = false;
+
+ for (var i = arguments.length - 1; i >= -1 && !resolvedAbsolute; i--) {
+ var path = (i >= 0) ? arguments[i] : process.cwd();
+
+ // Skip empty and invalid entries
+ if (typeof path !== 'string') {
+ throw new TypeError('Arguments to path.resolve must be strings');
+ } else if (!path) {
+ continue;
+ }
+
+ resolvedPath = path + '/' + resolvedPath;
+ resolvedAbsolute = path.charAt(0) === '/';
+ }
+
+ // At this point the path should be resolved to a full absolute path, but
+ // handle relative paths to be safe (might happen when process.cwd() fails)
+
+ // Normalize the path
+ resolvedPath = normalizeArray(filter(resolvedPath.split('/'), function(p) {
+ return !!p;
+ }), !resolvedAbsolute).join('/');
+
+ return ((resolvedAbsolute ? '/' : '') + resolvedPath) || '.';
+};
+
+// path.normalize(path)
+// posix version
+exports.normalize = function(path) {
+ var isAbsolute = exports.isAbsolute(path),
+ trailingSlash = substr(path, -1) === '/';
+
+ // Normalize the path
+ path = normalizeArray(filter(path.split('/'), function(p) {
+ return !!p;
+ }), !isAbsolute).join('/');
+
+ if (!path && !isAbsolute) {
+ path = '.';
+ }
+ if (path && trailingSlash) {
+ path += '/';
+ }
+
+ return (isAbsolute ? '/' : '') + path;
+};
+
+// posix version
+exports.isAbsolute = function(path) {
+ return path.charAt(0) === '/';
+};
+
+// posix version
+exports.join = function() {
+ var paths = Array.prototype.slice.call(arguments, 0);
+ return exports.normalize(filter(paths, function(p, index) {
+ if (typeof p !== 'string') {
+ throw new TypeError('Arguments to path.join must be strings');
+ }
+ return p;
+ }).join('/'));
+};
+
+
+// path.relative(from, to)
+// posix version
+exports.relative = function(from, to) {
+ from = exports.resolve(from).substr(1);
+ to = exports.resolve(to).substr(1);
+
+ function trim(arr) {
+ var start = 0;
+ for (; start < arr.length; start++) {
+ if (arr[start] !== '') break;
+ }
+
+ var end = arr.length - 1;
+ for (; end >= 0; end--) {
+ if (arr[end] !== '') break;
+ }
+
+ if (start > end) return [];
+ return arr.slice(start, end - start + 1);
+ }
+
+ var fromParts = trim(from.split('/'));
+ var toParts = trim(to.split('/'));
+
+ var length = Math.min(fromParts.length, toParts.length);
+ var samePartsLength = length;
+ for (var i = 0; i < length; i++) {
+ if (fromParts[i] !== toParts[i]) {
+ samePartsLength = i;
+ break;
+ }
+ }
+
+ var outputParts = [];
+ for (var i = samePartsLength; i < fromParts.length; i++) {
+ outputParts.push('..');
+ }
+
+ outputParts = outputParts.concat(toParts.slice(samePartsLength));
+
+ return outputParts.join('/');
+};
+
+exports.sep = '/';
+exports.delimiter = ':';
+
+exports.dirname = function(path) {
+ var result = splitPath(path),
+ root = result[0],
+ dir = result[1];
+
+ if (!root && !dir) {
+ // No dirname whatsoever
+ return '.';
+ }
+
+ if (dir) {
+ // It has a dirname, strip trailing slash
+ dir = dir.substr(0, dir.length - 1);
+ }
+
+ return root + dir;
+};
+
+
+exports.basename = function(path, ext) {
+ var f = splitPath(path)[2];
+ // TODO: make this comparison case-insensitive on windows?
+ if (ext && f.substr(-1 * ext.length) === ext) {
+ f = f.substr(0, f.length - ext.length);
+ }
+ return f;
+};
+
+
+exports.extname = function(path) {
+ return splitPath(path)[3];
+};
+
+function filter (xs, f) {
+ if (xs.filter) return xs.filter(f);
+ var res = [];
+ for (var i = 0; i < xs.length; i++) {
+ if (f(xs[i], i, xs)) res.push(xs[i]);
+ }
+ return res;
+}
+
+// String.prototype.substr - negative index don't work in IE8
+var substr = 'ab'.substr(-1) === 'b'
+ ? function (str, start, len) { return str.substr(start, len) }
+ : function (str, start, len) {
+ if (start < 0) start = str.length + start;
+ return str.substr(start, len);
+ }
+;
+
+}).call(this,require('_process'))
+},{"_process":345}],335:[function(require,module,exports){
+
+exports.pbkdf2 = require('./lib/async')
+
+exports.pbkdf2Sync = require('./lib/sync')
+
+},{"./lib/async":336,"./lib/sync":339}],336:[function(require,module,exports){
+(function (process,global){
+var checkParameters = require('./precondition')
+var defaultEncoding = require('./default-encoding')
+var sync = require('./sync')
+var Buffer = require('safe-buffer').Buffer
+
+var ZERO_BUF
+var subtle = global.crypto && global.crypto.subtle
+var toBrowser = {
+ 'sha': 'SHA-1',
+ 'sha-1': 'SHA-1',
+ 'sha1': 'SHA-1',
+ 'sha256': 'SHA-256',
+ 'sha-256': 'SHA-256',
+ 'sha384': 'SHA-384',
+ 'sha-384': 'SHA-384',
+ 'sha-512': 'SHA-512',
+ 'sha512': 'SHA-512'
+}
+var checks = []
+function checkNative (algo) {
+ if (global.process && !global.process.browser) {
+ return Promise.resolve(false)
+ }
+ if (!subtle || !subtle.importKey || !subtle.deriveBits) {
+ return Promise.resolve(false)
+ }
+ if (checks[algo] !== undefined) {
+ return checks[algo]
+ }
+ ZERO_BUF = ZERO_BUF || Buffer.alloc(8)
+ var prom = browserPbkdf2(ZERO_BUF, ZERO_BUF, 10, 128, algo)
+ .then(function () {
+ return true
+ }).catch(function () {
+ return false
+ })
+ checks[algo] = prom
+ return prom
+}
+function browserPbkdf2 (password, salt, iterations, length, algo) {
+ return subtle.importKey(
+ 'raw', password, {name: 'PBKDF2'}, false, ['deriveBits']
+ ).then(function (key) {
+ return subtle.deriveBits({
+ name: 'PBKDF2',
+ salt: salt,
+ iterations: iterations,
+ hash: {
+ name: algo
+ }
+ }, key, length << 3)
+ }).then(function (res) {
+ return Buffer.from(res)
+ })
+}
+function resolvePromise (promise, callback) {
+ promise.then(function (out) {
+ process.nextTick(function () {
+ callback(null, out)
+ })
+ }, function (e) {
+ process.nextTick(function () {
+ callback(e)
+ })
+ })
+}
+module.exports = function (password, salt, iterations, keylen, digest, callback) {
+ if (!Buffer.isBuffer(password)) password = Buffer.from(password, defaultEncoding)
+ if (!Buffer.isBuffer(salt)) salt = Buffer.from(salt, defaultEncoding)
+
+ checkParameters(iterations, keylen)
+ if (typeof digest === 'function') {
+ callback = digest
+ digest = undefined
+ }
+ if (typeof callback !== 'function') throw new Error('No callback provided to pbkdf2')
+
+ digest = digest || 'sha1'
+ var algo = toBrowser[digest.toLowerCase()]
+ if (!algo || typeof global.Promise !== 'function') {
+ return process.nextTick(function () {
+ var out
+ try {
+ out = sync(password, salt, iterations, keylen, digest)
+ } catch (e) {
+ return callback(e)
+ }
+ callback(null, out)
+ })
+ }
+ resolvePromise(checkNative(algo).then(function (resp) {
+ if (resp) {
+ return browserPbkdf2(password, salt, iterations, keylen, algo)
+ } else {
+ return sync(password, salt, iterations, keylen, digest)
+ }
+ }), callback)
+}
+
+}).call(this,require('_process'),typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
+},{"./default-encoding":337,"./precondition":338,"./sync":339,"_process":345,"safe-buffer":393}],337:[function(require,module,exports){
+(function (process){
+var defaultEncoding
+/* istanbul ignore next */
+if (process.browser) {
+ defaultEncoding = 'utf-8'
+} else {
+ var pVersionMajor = parseInt(process.version.split('.')[0].slice(1), 10)
+
+ defaultEncoding = pVersionMajor >= 6 ? 'utf-8' : 'binary'
+}
+module.exports = defaultEncoding
+
+}).call(this,require('_process'))
+},{"_process":345}],338:[function(require,module,exports){
+var MAX_ALLOC = Math.pow(2, 30) - 1 // default in iojs
+module.exports = function (iterations, keylen) {
+ if (typeof iterations !== 'number') {
+ throw new TypeError('Iterations not a number')
+ }
+
+ if (iterations < 0) {
+ throw new TypeError('Bad iterations')
+ }
+
+ if (typeof keylen !== 'number') {
+ throw new TypeError('Key length not a number')
+ }
+
+ if (keylen < 0 || keylen > MAX_ALLOC || keylen !== keylen) { /* eslint no-self-compare: 0 */
+ throw new TypeError('Bad key length')
+ }
+}
+
+},{}],339:[function(require,module,exports){
+var md5 = require('create-hash/md5')
+var rmd160 = require('ripemd160')
+var sha = require('sha.js')
+
+var checkParameters = require('./precondition')
+var defaultEncoding = require('./default-encoding')
+var Buffer = require('safe-buffer').Buffer
+var ZEROS = Buffer.alloc(128)
+var sizes = {
+ md5: 16,
+ sha1: 20,
+ sha224: 28,
+ sha256: 32,
+ sha384: 48,
+ sha512: 64,
+ rmd160: 20,
+ ripemd160: 20
+}
+
+function Hmac (alg, key, saltLen) {
+ var hash = getDigest(alg)
+ var blocksize = (alg === 'sha512' || alg === 'sha384') ? 128 : 64
+
+ if (key.length > blocksize) {
+ key = hash(key)
+ } else if (key.length < blocksize) {
+ key = Buffer.concat([key, ZEROS], blocksize)
+ }
+
+ var ipad = Buffer.allocUnsafe(blocksize + sizes[alg])
+ var opad = Buffer.allocUnsafe(blocksize + sizes[alg])
+ for (var i = 0; i < blocksize; i++) {
+ ipad[i] = key[i] ^ 0x36
+ opad[i] = key[i] ^ 0x5C
+ }
+
+ var ipad1 = Buffer.allocUnsafe(blocksize + saltLen + 4)
+ ipad.copy(ipad1, 0, 0, blocksize)
+ this.ipad1 = ipad1
+ this.ipad2 = ipad
+ this.opad = opad
+ this.alg = alg
+ this.blocksize = blocksize
+ this.hash = hash
+ this.size = sizes[alg]
+}
+
+Hmac.prototype.run = function (data, ipad) {
+ data.copy(ipad, this.blocksize)
+ var h = this.hash(ipad)
+ h.copy(this.opad, this.blocksize)
+ return this.hash(this.opad)
+}
+
+function getDigest (alg) {
+ function shaFunc (data) {
+ return sha(alg).update(data).digest()
+ }
+
+ if (alg === 'rmd160' || alg === 'ripemd160') return rmd160
+ if (alg === 'md5') return md5
+ return shaFunc
+}
+
+function pbkdf2 (password, salt, iterations, keylen, digest) {
+ if (!Buffer.isBuffer(password)) password = Buffer.from(password, defaultEncoding)
+ if (!Buffer.isBuffer(salt)) salt = Buffer.from(salt, defaultEncoding)
+
+ checkParameters(iterations, keylen)
+
+ digest = digest || 'sha1'
+
+ var hmac = new Hmac(digest, password, salt.length)
+
+ var DK = Buffer.allocUnsafe(keylen)
+ var block1 = Buffer.allocUnsafe(salt.length + 4)
+ salt.copy(block1, 0, 0, salt.length)
+
+ var destPos = 0
+ var hLen = sizes[digest]
+ var l = Math.ceil(keylen / hLen)
+
+ for (var i = 1; i <= l; i++) {
+ block1.writeUInt32BE(i, salt.length)
+
+ var T = hmac.run(block1, hmac.ipad1)
+ var U = T
+
+ for (var j = 1; j < iterations; j++) {
+ U = hmac.run(U, hmac.ipad2)
+ for (var k = 0; k < hLen; k++) T[k] ^= U[k]
+ }
+
+ T.copy(DK, destPos)
+ destPos += hLen
+ }
+
+ return DK
+}
+
+module.exports = pbkdf2
+
+},{"./default-encoding":337,"./precondition":338,"create-hash/md5":119,"ripemd160":392,"safe-buffer":393,"sha.js":396}],340:[function(require,module,exports){
+(function (process){
+// Generated by CoffeeScript 1.12.2
+(function() {
+ var getNanoSeconds, hrtime, loadTime, moduleLoadTime, nodeLoadTime, upTime;
+
+ if ((typeof performance !== "undefined" && performance !== null) && performance.now) {
+ module.exports = function() {
+ return performance.now();
+ };
+ } else if ((typeof process !== "undefined" && process !== null) && process.hrtime) {
+ module.exports = function() {
+ return (getNanoSeconds() - nodeLoadTime) / 1e6;
+ };
+ hrtime = process.hrtime;
+ getNanoSeconds = function() {
+ var hr;
+ hr = hrtime();
+ return hr[0] * 1e9 + hr[1];
+ };
+ moduleLoadTime = getNanoSeconds();
+ upTime = process.uptime() * 1e9;
+ nodeLoadTime = moduleLoadTime - upTime;
+ } else if (Date.now) {
+ module.exports = function() {
+ return Date.now() - loadTime;
+ };
+ loadTime = Date.now();
+ } else {
+ module.exports = function() {
+ return new Date().getTime() - loadTime;
+ };
+ loadTime = new Date().getTime();
+ }
+
+}).call(this);
+
+
+
+}).call(this,require('_process'))
+},{"_process":345}],341:[function(require,module,exports){
+(function (global){
+// Allow the user to customize the Promise type returned by this library.
+var mypromise = global.Promise;
+module.exports = function getOrSetPromise(p) {
+ if (p) { mypromise = p; }
+ return mypromise;
+};
+
+}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
+},{}],342:[function(require,module,exports){
+// freeze Array#slice, just in case of funny business later.
+var _slice = Array.prototype.slice;
+var getPromise = require('./_promise.js');
+// deferred gets its own scope to prevent inadvertent capture in the closure
+var deferred = function(options) {
+ var Promise = getPromise();
+ var resolve, reject, p = new Promise(function(_resolve, _reject) {
+ resolve = _resolve; reject = _reject;
+ });
+ var pattern = (options && options.pattern);
+ var noError = (options && options.noError);
+ var cb = pattern ? function(err) {
+ if (err && !noError) { return reject(err); }
+ var result = {}, i, offset = noError ? 0 : 1;
+ for (i = 0; i < pattern.length; i++) {
+ result[pattern[i]] = arguments[i+offset];
+ }
+ resolve(result);
+ } : noError ? resolve : function(err, val) {
+ if (err) { reject(err); } else { resolve(val); }
+ };
+ return { promise: p, callback: cb };
+};
+var promisify = module.exports = function(context, func, mandatoryArgs, options) {
+ return function() {
+ var cb = arguments[arguments.length - 1];
+ if (typeof(cb) === 'function') {
+ return func.apply(context, arguments);
+ }
+ // ooh, promises.
+ var d = deferred(options);
+ var a = _slice.call(arguments, 0);
+ while (a.length < mandatoryArgs) { a.push(undefined); }
+ a.push(d.callback);
+ var retval = func.apply(context, a);
+ if (options && options.returnsObject) {
+ // it would be nice to have a better convention here
+ Object.defineProperty(retval, 'promise', { value: d.promise });
+ return retval;
+ }
+ return d.promise;
+ };
+};
+
+},{"./_promise.js":341}],343:[function(require,module,exports){
+var fs = require("fs");
+var promisify = require("./_promisify.js");
+var bind = function(c, f) { return f && f.bind(c); };
+Object.defineProperties(module.exports, {
+ F_OK: { enumerable: true, value: fs.F_OK },
+ FileReadStream: { enumerable: true, value: fs.FileReadStream },
+ FileWriteStream: { enumerable: true, value: fs.FileWriteStream },
+ R_OK: { enumerable: true, value: fs.R_OK },
+ ReadStream: { enumerable: true, value: fs.ReadStream },
+ Stats: { enumerable: true, value: fs.Stats },
+ W_OK: { enumerable: true, value: fs.W_OK },
+ WriteStream: { enumerable: true, value: fs.WriteStream },
+ X_OK: { enumerable: true, value: fs.X_OK },
+ //_toUnixTimestamp: // skipping
+ access: { enumerable: true, value: promisify(fs, fs.access, 1) },
+ accessSync: { enumerable: true, value: bind(fs, fs.accessSync) },
+ appendFile: { enumerable: true, value: promisify(fs, fs.appendFile, 2) },
+ appendFileSync: { enumerable: true, value: bind(fs, fs.appendFileSync) },
+ chmod: { enumerable: true, value: promisify(fs, fs.chmod, 2) },
+ chmodSync: { enumerable: true, value: bind(fs, fs.chmodSync) },
+ chown: { enumerable: true, value: promisify(fs, fs.chown, 3) },
+ chownSync: { enumerable: true, value: bind(fs, fs.chownSync) },
+ close: { enumerable: true, value: promisify(fs, fs.close, 1) },
+ closeSync: { enumerable: true, value: bind(fs, fs.closeSync) },
+ createReadStream: { enumerable: true, value: bind(fs, fs.createReadStream) },
+ createWriteStream: { enumerable: true, value: bind(fs, fs.createWriteStream) },
+ exists: { enumerable: true, value: promisify(fs, fs.exists, 1, {"noError":true}) },
+ existsSync: { enumerable: true, value: bind(fs, fs.existsSync) },
+ fchmod: { enumerable: true, value: promisify(fs, fs.fchmod, 2) },
+ fchmodSync: { enumerable: true, value: bind(fs, fs.fchmodSync) },
+ fchown: { enumerable: true, value: promisify(fs, fs.fchown, 3) },
+ fchownSync: { enumerable: true, value: bind(fs, fs.fchownSync) },
+ fdatasync: { enumerable: true, value: promisify(fs, fs.fdatasync, 1) },
+ fdatasyncSync: { enumerable: true, value: bind(fs, fs.fdatasyncSync) },
+ fstat: { enumerable: true, value: promisify(fs, fs.fstat, 1) },
+ fstatSync: { enumerable: true, value: bind(fs, fs.fstatSync) },
+ fsync: { enumerable: true, value: promisify(fs, fs.fsync, 1) },
+ fsyncSync: { enumerable: true, value: bind(fs, fs.fsyncSync) },
+ ftruncate: { enumerable: true, value: promisify(fs, fs.ftruncate, 2) },
+ ftruncateSync: { enumerable: true, value: bind(fs, fs.ftruncateSync) },
+ futimes: { enumerable: true, value: promisify(fs, fs.futimes, 3) },
+ futimesSync: { enumerable: true, value: bind(fs, fs.futimesSync) },
+ link: { enumerable: true, value: promisify(fs, fs.link, 2) },
+ linkSync: { enumerable: true, value: bind(fs, fs.linkSync) },
+ lstat: { enumerable: true, value: promisify(fs, fs.lstat, 1) },
+ lstatSync: { enumerable: true, value: bind(fs, fs.lstatSync) },
+ mkdir: { enumerable: true, value: promisify(fs, fs.mkdir, 1) },
+ mkdirSync: { enumerable: true, value: bind(fs, fs.mkdirSync) },
+ open: { enumerable: true, value: promisify(fs, fs.open, 2) },
+ openSync: { enumerable: true, value: bind(fs, fs.openSync) },
+ read: { enumerable: true, value: promisify(fs, fs.read, 5, {"pattern":["read","buffer"]}) },
+ readFile: { enumerable: true, value: promisify(fs, fs.readFile, 1) },
+ readFileSync: { enumerable: true, value: bind(fs, fs.readFileSync) },
+ readSync: { enumerable: true, value: bind(fs, fs.readSync) },
+ readdir: { enumerable: true, value: promisify(fs, fs.readdir, 1) },
+ readdirSync: { enumerable: true, value: bind(fs, fs.readdirSync) },
+ readlink: { enumerable: true, value: promisify(fs, fs.readlink, 1) },
+ readlinkSync: { enumerable: true, value: bind(fs, fs.readlinkSync) },
+ realpath: { enumerable: true, value: promisify(fs, fs.realpath, 1) },
+ realpathSync: { enumerable: true, value: bind(fs, fs.realpathSync) },
+ rename: { enumerable: true, value: promisify(fs, fs.rename, 2) },
+ renameSync: { enumerable: true, value: bind(fs, fs.renameSync) },
+ rmdir: { enumerable: true, value: promisify(fs, fs.rmdir, 1) },
+ rmdirSync: { enumerable: true, value: bind(fs, fs.rmdirSync) },
+ stat: { enumerable: true, value: promisify(fs, fs.stat, 1) },
+ statSync: { enumerable: true, value: bind(fs, fs.statSync) },
+ symlink: { enumerable: true, value: promisify(fs, fs.symlink, 2) },
+ symlinkSync: { enumerable: true, value: bind(fs, fs.symlinkSync) },
+ truncate: { enumerable: true, value: promisify(fs, fs.truncate, 2) },
+ truncateSync: { enumerable: true, value: bind(fs, fs.truncateSync) },
+ unlink: { enumerable: true, value: promisify(fs, fs.unlink, 1) },
+ unlinkSync: { enumerable: true, value: bind(fs, fs.unlinkSync) },
+ unwatchFile: { enumerable: true, value: bind(fs, fs.unwatchFile) },
+ utimes: { enumerable: true, value: promisify(fs, fs.utimes, 3) },
+ utimesSync: { enumerable: true, value: bind(fs, fs.utimesSync) },
+ watch: { enumerable: true, value: bind(fs, fs.watch) },
+ watchFile: { enumerable: true, value: bind(fs, fs.watchFile) },
+ write: { enumerable: true, value: promisify(fs, fs.write, 5, {"pattern":["written","buffer"]}) },
+ writeFile: { enumerable: true, value: promisify(fs, fs.writeFile, 2) },
+ writeFileSync: { enumerable: true, value: bind(fs, fs.writeFileSync) },
+ writeSync: { enumerable: true, value: bind(fs, fs.writeSync) },
+});
+},{"./_promisify.js":342,"fs":106}],344:[function(require,module,exports){
+(function (process){
+'use strict';
+
+if (!process.version ||
+ process.version.indexOf('v0.') === 0 ||
+ process.version.indexOf('v1.') === 0 && process.version.indexOf('v1.8.') !== 0) {
+ module.exports = nextTick;
+} else {
+ module.exports = process.nextTick;
+}
+
+function nextTick(fn, arg1, arg2, arg3) {
+ if (typeof fn !== 'function') {
+ throw new TypeError('"callback" argument must be a function');
+ }
+ var len = arguments.length;
+ var args, i;
+ switch (len) {
+ case 0:
+ case 1:
+ return process.nextTick(fn);
+ case 2:
+ return process.nextTick(function afterTickOne() {
+ fn.call(null, arg1);
+ });
+ case 3:
+ return process.nextTick(function afterTickTwo() {
+ fn.call(null, arg1, arg2);
+ });
+ case 4:
+ return process.nextTick(function afterTickThree() {
+ fn.call(null, arg1, arg2, arg3);
+ });
+ default:
+ args = new Array(len - 1);
+ i = 0;
+ while (i < args.length) {
+ args[i++] = arguments[i];
+ }
+ return process.nextTick(function afterTick() {
+ fn.apply(null, args);
+ });
+ }
+}
+
+}).call(this,require('_process'))
+},{"_process":345}],345:[function(require,module,exports){
+// shim for using process in browser
+var process = module.exports = {};
+
+// cached from whatever global is present so that test runners that stub it
+// don't break things. But we need to wrap it in a try catch in case it is
+// wrapped in strict mode code which doesn't define any globals. It's inside a
+// function because try/catches deoptimize in certain engines.
+
+var cachedSetTimeout;
+var cachedClearTimeout;
+
+function defaultSetTimout() {
+ throw new Error('setTimeout has not been defined');
+}
+function defaultClearTimeout () {
+ throw new Error('clearTimeout has not been defined');
+}
+(function () {
+ try {
+ if (typeof setTimeout === 'function') {
+ cachedSetTimeout = setTimeout;
+ } else {
+ cachedSetTimeout = defaultSetTimout;
+ }
+ } catch (e) {
+ cachedSetTimeout = defaultSetTimout;
+ }
+ try {
+ if (typeof clearTimeout === 'function') {
+ cachedClearTimeout = clearTimeout;
+ } else {
+ cachedClearTimeout = defaultClearTimeout;
+ }
+ } catch (e) {
+ cachedClearTimeout = defaultClearTimeout;
+ }
+} ())
+function runTimeout(fun) {
+ if (cachedSetTimeout === setTimeout) {
+ //normal enviroments in sane situations
+ return setTimeout(fun, 0);
+ }
+ // if setTimeout wasn't available but was latter defined
+ if ((cachedSetTimeout === defaultSetTimout || !cachedSetTimeout) && setTimeout) {
+ cachedSetTimeout = setTimeout;
+ return setTimeout(fun, 0);
+ }
+ try {
+ // when when somebody has screwed with setTimeout but no I.E. maddness
+ return cachedSetTimeout(fun, 0);
+ } catch(e){
+ try {
+ // When we are in I.E. but the script has been evaled so I.E. doesn't trust the global object when called normally
+ return cachedSetTimeout.call(null, fun, 0);
+ } catch(e){
+ // same as above but when it's a version of I.E. that must have the global object for 'this', hopfully our context correct otherwise it will throw a global error
+ return cachedSetTimeout.call(this, fun, 0);
+ }
+ }
+
+
+}
+function runClearTimeout(marker) {
+ if (cachedClearTimeout === clearTimeout) {
+ //normal enviroments in sane situations
+ return clearTimeout(marker);
+ }
+ // if clearTimeout wasn't available but was latter defined
+ if ((cachedClearTimeout === defaultClearTimeout || !cachedClearTimeout) && clearTimeout) {
+ cachedClearTimeout = clearTimeout;
+ return clearTimeout(marker);
+ }
+ try {
+ // when when somebody has screwed with setTimeout but no I.E. maddness
+ return cachedClearTimeout(marker);
+ } catch (e){
+ try {
+ // When we are in I.E. but the script has been evaled so I.E. doesn't trust the global object when called normally
+ return cachedClearTimeout.call(null, marker);
+ } catch (e){
+ // same as above but when it's a version of I.E. that must have the global object for 'this', hopfully our context correct otherwise it will throw a global error.
+ // Some versions of I.E. have different rules for clearTimeout vs setTimeout
+ return cachedClearTimeout.call(this, marker);
+ }
+ }
+
+
+
+}
+var queue = [];
+var draining = false;
+var currentQueue;
+var queueIndex = -1;
+
+function cleanUpNextTick() {
+ if (!draining || !currentQueue) {
+ return;
+ }
+ draining = false;
+ if (currentQueue.length) {
+ queue = currentQueue.concat(queue);
+ } else {
+ queueIndex = -1;
+ }
+ if (queue.length) {
+ drainQueue();
+ }
+}
+
+function drainQueue() {
+ if (draining) {
+ return;
+ }
+ var timeout = runTimeout(cleanUpNextTick);
+ draining = true;
+
+ var len = queue.length;
+ while(len) {
+ currentQueue = queue;
+ queue = [];
+ while (++queueIndex < len) {
+ if (currentQueue) {
+ currentQueue[queueIndex].run();
+ }
+ }
+ queueIndex = -1;
+ len = queue.length;
+ }
+ currentQueue = null;
+ draining = false;
+ runClearTimeout(timeout);
+}
+
+process.nextTick = function (fun) {
+ var args = new Array(arguments.length - 1);
+ if (arguments.length > 1) {
+ for (var i = 1; i < arguments.length; i++) {
+ args[i - 1] = arguments[i];
+ }
+ }
+ queue.push(new Item(fun, args));
+ if (queue.length === 1 && !draining) {
+ runTimeout(drainQueue);
+ }
+};
+
+// v8 likes predictible objects
+function Item(fun, array) {
+ this.fun = fun;
+ this.array = array;
+}
+Item.prototype.run = function () {
+ this.fun.apply(null, this.array);
+};
+process.title = 'browser';
+process.browser = true;
+process.env = {};
+process.argv = [];
+process.version = ''; // empty string to avoid regexp issues
+process.versions = {};
+
+function noop() {}
+
+process.on = noop;
+process.addListener = noop;
+process.once = noop;
+process.off = noop;
+process.removeListener = noop;
+process.removeAllListeners = noop;
+process.emit = noop;
+process.prependListener = noop;
+process.prependOnceListener = noop;
+
+process.listeners = function (name) { return [] }
+
+process.binding = function (name) {
+ throw new Error('process.binding is not supported');
+};
+
+process.cwd = function () { return '/' };
+process.chdir = function (dir) {
+ throw new Error('process.chdir is not supported');
+};
+process.umask = function() { return 0; };
+
+},{}],346:[function(require,module,exports){
+exports.publicEncrypt = require('./publicEncrypt');
+exports.privateDecrypt = require('./privateDecrypt');
+
+exports.privateEncrypt = function privateEncrypt(key, buf) {
+ return exports.publicEncrypt(key, buf, true);
+};
+
+exports.publicDecrypt = function publicDecrypt(key, buf) {
+ return exports.privateDecrypt(key, buf, true);
+};
+},{"./privateDecrypt":348,"./publicEncrypt":349}],347:[function(require,module,exports){
+(function (Buffer){
+var createHash = require('create-hash');
+module.exports = function (seed, len) {
+ var t = new Buffer('');
+ var i = 0, c;
+ while (t.length < len) {
+ c = i2ops(i++);
+ t = Buffer.concat([t, createHash('sha1').update(seed).update(c).digest()]);
+ }
+ return t.slice(0, len);
+};
+
+function i2ops(c) {
+ var out = new Buffer(4);
+ out.writeUInt32BE(c,0);
+ return out;
+}
+}).call(this,require("buffer").Buffer)
+},{"buffer":108,"create-hash":117}],348:[function(require,module,exports){
+(function (Buffer){
+var parseKeys = require('parse-asn1');
+var mgf = require('./mgf');
+var xor = require('./xor');
+var bn = require('bn.js');
+var crt = require('browserify-rsa');
+var createHash = require('create-hash');
+var withPublic = require('./withPublic');
+module.exports = function privateDecrypt(private_key, enc, reverse) {
+ var padding;
+ if (private_key.padding) {
+ padding = private_key.padding;
+ } else if (reverse) {
+ padding = 1;
+ } else {
+ padding = 4;
+ }
+
+ var key = parseKeys(private_key);
+ var k = key.modulus.byteLength();
+ if (enc.length > k || new bn(enc).cmp(key.modulus) >= 0) {
+ throw new Error('decryption error');
+ }
+ var msg;
+ if (reverse) {
+ msg = withPublic(new bn(enc), key);
+ } else {
+ msg = crt(enc, key);
+ }
+ var zBuffer = new Buffer(k - msg.length);
+ zBuffer.fill(0);
+ msg = Buffer.concat([zBuffer, msg], k);
+ if (padding === 4) {
+ return oaep(key, msg);
+ } else if (padding === 1) {
+ return pkcs1(key, msg, reverse);
+ } else if (padding === 3) {
+ return msg;
+ } else {
+ throw new Error('unknown padding');
+ }
+};
+
+function oaep(key, msg){
+ var n = key.modulus;
+ var k = key.modulus.byteLength();
+ var mLen = msg.length;
+ var iHash = createHash('sha1').update(new Buffer('')).digest();
+ var hLen = iHash.length;
+ var hLen2 = 2 * hLen;
+ if (msg[0] !== 0) {
+ throw new Error('decryption error');
+ }
+ var maskedSeed = msg.slice(1, hLen + 1);
+ var maskedDb = msg.slice(hLen + 1);
+ var seed = xor(maskedSeed, mgf(maskedDb, hLen));
+ var db = xor(maskedDb, mgf(seed, k - hLen - 1));
+ if (compare(iHash, db.slice(0, hLen))) {
+ throw new Error('decryption error');
+ }
+ var i = hLen;
+ while (db[i] === 0) {
+ i++;
+ }
+ if (db[i++] !== 1) {
+ throw new Error('decryption error');
+ }
+ return db.slice(i);
+}
+
+function pkcs1(key, msg, reverse){
+ var p1 = msg.slice(0, 2);
+ var i = 2;
+ var status = 0;
+ while (msg[i++] !== 0) {
+ if (i >= msg.length) {
+ status++;
+ break;
+ }
+ }
+ var ps = msg.slice(2, i - 1);
+ var p2 = msg.slice(i - 1, i);
+
+ if ((p1.toString('hex') !== '0002' && !reverse) || (p1.toString('hex') !== '0001' && reverse)){
+ status++;
+ }
+ if (ps.length < 8) {
+ status++;
+ }
+ if (status) {
+ throw new Error('decryption error');
+ }
+ return msg.slice(i);
+}
+function compare(a, b){
+ a = new Buffer(a);
+ b = new Buffer(b);
+ var dif = 0;
+ var len = a.length;
+ if (a.length !== b.length) {
+ dif++;
+ len = Math.min(a.length, b.length);
+ }
+ var i = -1;
+ while (++i < len) {
+ dif += (a[i] ^ b[i]);
+ }
+ return dif;
+}
+}).call(this,require("buffer").Buffer)
+},{"./mgf":347,"./withPublic":350,"./xor":351,"bn.js":74,"browserify-rsa":97,"buffer":108,"create-hash":117,"parse-asn1":333}],349:[function(require,module,exports){
+(function (Buffer){
+var parseKeys = require('parse-asn1');
+var randomBytes = require('randombytes');
+var createHash = require('create-hash');
+var mgf = require('./mgf');
+var xor = require('./xor');
+var bn = require('bn.js');
+var withPublic = require('./withPublic');
+var crt = require('browserify-rsa');
+
+var constants = {
+ RSA_PKCS1_OAEP_PADDING: 4,
+ RSA_PKCS1_PADDIN: 1,
+ RSA_NO_PADDING: 3
+};
+
+module.exports = function publicEncrypt(public_key, msg, reverse) {
+ var padding;
+ if (public_key.padding) {
+ padding = public_key.padding;
+ } else if (reverse) {
+ padding = 1;
+ } else {
+ padding = 4;
+ }
+ var key = parseKeys(public_key);
+ var paddedMsg;
+ if (padding === 4) {
+ paddedMsg = oaep(key, msg);
+ } else if (padding === 1) {
+ paddedMsg = pkcs1(key, msg, reverse);
+ } else if (padding === 3) {
+ paddedMsg = new bn(msg);
+ if (paddedMsg.cmp(key.modulus) >= 0) {
+ throw new Error('data too long for modulus');
+ }
+ } else {
+ throw new Error('unknown padding');
+ }
+ if (reverse) {
+ return crt(paddedMsg, key);
+ } else {
+ return withPublic(paddedMsg, key);
+ }
+};
+
+function oaep(key, msg){
+ var k = key.modulus.byteLength();
+ var mLen = msg.length;
+ var iHash = createHash('sha1').update(new Buffer('')).digest();
+ var hLen = iHash.length;
+ var hLen2 = 2 * hLen;
+ if (mLen > k - hLen2 - 2) {
+ throw new Error('message too long');
+ }
+ var ps = new Buffer(k - mLen - hLen2 - 2);
+ ps.fill(0);
+ var dblen = k - hLen - 1;
+ var seed = randomBytes(hLen);
+ var maskedDb = xor(Buffer.concat([iHash, ps, new Buffer([1]), msg], dblen), mgf(seed, dblen));
+ var maskedSeed = xor(seed, mgf(maskedDb, hLen));
+ return new bn(Buffer.concat([new Buffer([0]), maskedSeed, maskedDb], k));
+}
+function pkcs1(key, msg, reverse){
+ var mLen = msg.length;
+ var k = key.modulus.byteLength();
+ if (mLen > k - 11) {
+ throw new Error('message too long');
+ }
+ var ps;
+ if (reverse) {
+ ps = new Buffer(k - mLen - 3);
+ ps.fill(0xff);
+ } else {
+ ps = nonZero(k - mLen - 3);
+ }
+ return new bn(Buffer.concat([new Buffer([0, reverse?1:2]), ps, new Buffer([0]), msg], k));
+}
+function nonZero(len, crypto) {
+ var out = new Buffer(len);
+ var i = 0;
+ var cache = randomBytes(len*2);
+ var cur = 0;
+ var num;
+ while (i < len) {
+ if (cur === cache.length) {
+ cache = randomBytes(len*2);
+ cur = 0;
+ }
+ num = cache[cur++];
+ if (num) {
+ out[i++] = num;
+ }
+ }
+ return out;
+}
+}).call(this,require("buffer").Buffer)
+},{"./mgf":347,"./withPublic":350,"./xor":351,"bn.js":74,"browserify-rsa":97,"buffer":108,"create-hash":117,"parse-asn1":333,"randombytes":361}],350:[function(require,module,exports){
+(function (Buffer){
+var bn = require('bn.js');
+function withPublic(paddedMsg, key) {
+ return new Buffer(paddedMsg
+ .toRed(bn.mont(key.modulus))
+ .redPow(new bn(key.publicExponent))
+ .fromRed()
+ .toArray());
+}
+
+module.exports = withPublic;
+}).call(this,require("buffer").Buffer)
+},{"bn.js":74,"buffer":108}],351:[function(require,module,exports){
+module.exports = function xor(a, b) {
+ var len = a.length;
+ var i = -1;
+ while (++i < len) {
+ a[i] ^= b[i];
+ }
+ return a
+};
+},{}],352:[function(require,module,exports){
+(function (global){
+/*! https://mths.be/punycode v1.4.1 by @mathias */
+;(function(root) {
+
+ /** Detect free variables */
+ var freeExports = typeof exports == 'object' && exports &&
+ !exports.nodeType && exports;
+ var freeModule = typeof module == 'object' && module &&
+ !module.nodeType && module;
+ var freeGlobal = typeof global == 'object' && global;
+ if (
+ freeGlobal.global === freeGlobal ||
+ freeGlobal.window === freeGlobal ||
+ freeGlobal.self === freeGlobal
+ ) {
+ root = freeGlobal;
+ }
+
+ /**
+ * The `punycode` object.
+ * @name punycode
+ * @type Object
+ */
+ var punycode,
+
+ /** Highest positive signed 32-bit float value */
+ maxInt = 2147483647, // aka. 0x7FFFFFFF or 2^31-1
+
+ /** Bootstring parameters */
+ base = 36,
+ tMin = 1,
+ tMax = 26,
+ skew = 38,
+ damp = 700,
+ initialBias = 72,
+ initialN = 128, // 0x80
+ delimiter = '-', // '\x2D'
+
+ /** Regular expressions */
+ regexPunycode = /^xn--/,
+ regexNonASCII = /[^\x20-\x7E]/, // unprintable ASCII chars + non-ASCII chars
+ regexSeparators = /[\x2E\u3002\uFF0E\uFF61]/g, // RFC 3490 separators
+
+ /** Error messages */
+ errors = {
+ 'overflow': 'Overflow: input needs wider integers to process',
+ 'not-basic': 'Illegal input >= 0x80 (not a basic code point)',
+ 'invalid-input': 'Invalid input'
+ },
+
+ /** Convenience shortcuts */
+ baseMinusTMin = base - tMin,
+ floor = Math.floor,
+ stringFromCharCode = String.fromCharCode,
+
+ /** Temporary variable */
+ key;
+
+ /*--------------------------------------------------------------------------*/
+
+ /**
+ * A generic error utility function.
+ * @private
+ * @param {String} type The error type.
+ * @returns {Error} Throws a `RangeError` with the applicable error message.
+ */
+ function error(type) {
+ throw new RangeError(errors[type]);
+ }
+
+ /**
+ * A generic `Array#map` utility function.
+ * @private
+ * @param {Array} array The array to iterate over.
+ * @param {Function} callback The function that gets called for every array
+ * item.
+ * @returns {Array} A new array of values returned by the callback function.
+ */
+ function map(array, fn) {
+ var length = array.length;
+ var result = [];
+ while (length--) {
+ result[length] = fn(array[length]);
+ }
+ return result;
+ }
+
+ /**
+ * A simple `Array#map`-like wrapper to work with domain name strings or email
+ * addresses.
+ * @private
+ * @param {String} domain The domain name or email address.
+ * @param {Function} callback The function that gets called for every
+ * character.
+ * @returns {Array} A new string of characters returned by the callback
+ * function.
+ */
+ function mapDomain(string, fn) {
+ var parts = string.split('@');
+ var result = '';
+ if (parts.length > 1) {
+ // In email addresses, only the domain name should be punycoded. Leave
+ // the local part (i.e. everything up to `@`) intact.
+ result = parts[0] + '@';
+ string = parts[1];
+ }
+ // Avoid `split(regex)` for IE8 compatibility. See #17.
+ string = string.replace(regexSeparators, '\x2E');
+ var labels = string.split('.');
+ var encoded = map(labels, fn).join('.');
+ return result + encoded;
+ }
+
+ /**
+ * Creates an array containing the numeric code points of each Unicode
+ * character in the string. While JavaScript uses UCS-2 internally,
+ * this function will convert a pair of surrogate halves (each of which
+ * UCS-2 exposes as separate characters) into a single code point,
+ * matching UTF-16.
+ * @see `punycode.ucs2.encode`
+ * @see
+ * @memberOf punycode.ucs2
+ * @name decode
+ * @param {String} string The Unicode input string (UCS-2).
+ * @returns {Array} The new array of code points.
+ */
+ function ucs2decode(string) {
+ var output = [],
+ counter = 0,
+ length = string.length,
+ value,
+ extra;
+ while (counter < length) {
+ value = string.charCodeAt(counter++);
+ if (value >= 0xD800 && value <= 0xDBFF && counter < length) {
+ // high surrogate, and there is a next character
+ extra = string.charCodeAt(counter++);
+ if ((extra & 0xFC00) == 0xDC00) { // low surrogate
+ output.push(((value & 0x3FF) << 10) + (extra & 0x3FF) + 0x10000);
+ } else {
+ // unmatched surrogate; only append this code unit, in case the next
+ // code unit is the high surrogate of a surrogate pair
+ output.push(value);
+ counter--;
+ }
+ } else {
+ output.push(value);
+ }
+ }
+ return output;
+ }
+
+ /**
+ * Creates a string based on an array of numeric code points.
+ * @see `punycode.ucs2.decode`
+ * @memberOf punycode.ucs2
+ * @name encode
+ * @param {Array} codePoints The array of numeric code points.
+ * @returns {String} The new Unicode string (UCS-2).
+ */
+ function ucs2encode(array) {
+ return map(array, function(value) {
+ var output = '';
+ if (value > 0xFFFF) {
+ value -= 0x10000;
+ output += stringFromCharCode(value >>> 10 & 0x3FF | 0xD800);
+ value = 0xDC00 | value & 0x3FF;
+ }
+ output += stringFromCharCode(value);
+ return output;
+ }).join('');
+ }
+
+ /**
+ * Converts a basic code point into a digit/integer.
+ * @see `digitToBasic()`
+ * @private
+ * @param {Number} codePoint The basic numeric code point value.
+ * @returns {Number} The numeric value of a basic code point (for use in
+ * representing integers) in the range `0` to `base - 1`, or `base` if
+ * the code point does not represent a value.
+ */
+ function basicToDigit(codePoint) {
+ if (codePoint - 48 < 10) {
+ return codePoint - 22;
+ }
+ if (codePoint - 65 < 26) {
+ return codePoint - 65;
+ }
+ if (codePoint - 97 < 26) {
+ return codePoint - 97;
+ }
+ return base;
+ }
+
+ /**
+ * Converts a digit/integer into a basic code point.
+ * @see `basicToDigit()`
+ * @private
+ * @param {Number} digit The numeric value of a basic code point.
+ * @returns {Number} The basic code point whose value (when used for
+ * representing integers) is `digit`, which needs to be in the range
+ * `0` to `base - 1`. If `flag` is non-zero, the uppercase form is
+ * used; else, the lowercase form is used. The behavior is undefined
+ * if `flag` is non-zero and `digit` has no uppercase form.
+ */
+ function digitToBasic(digit, flag) {
+ // 0..25 map to ASCII a..z or A..Z
+ // 26..35 map to ASCII 0..9
+ return digit + 22 + 75 * (digit < 26) - ((flag != 0) << 5);
+ }
+
+ /**
+ * Bias adaptation function as per section 3.4 of RFC 3492.
+ * https://tools.ietf.org/html/rfc3492#section-3.4
+ * @private
+ */
+ function adapt(delta, numPoints, firstTime) {
+ var k = 0;
+ delta = firstTime ? floor(delta / damp) : delta >> 1;
+ delta += floor(delta / numPoints);
+ for (/* no initialization */; delta > baseMinusTMin * tMax >> 1; k += base) {
+ delta = floor(delta / baseMinusTMin);
+ }
+ return floor(k + (baseMinusTMin + 1) * delta / (delta + skew));
+ }
+
+ /**
+ * Converts a Punycode string of ASCII-only symbols to a string of Unicode
+ * symbols.
+ * @memberOf punycode
+ * @param {String} input The Punycode string of ASCII-only symbols.
+ * @returns {String} The resulting string of Unicode symbols.
+ */
+ function decode(input) {
+ // Don't use UCS-2
+ var output = [],
+ inputLength = input.length,
+ out,
+ i = 0,
+ n = initialN,
+ bias = initialBias,
+ basic,
+ j,
+ index,
+ oldi,
+ w,
+ k,
+ digit,
+ t,
+ /** Cached calculation results */
+ baseMinusT;
+
+ // Handle the basic code points: let `basic` be the number of input code
+ // points before the last delimiter, or `0` if there is none, then copy
+ // the first basic code points to the output.
+
+ basic = input.lastIndexOf(delimiter);
+ if (basic < 0) {
+ basic = 0;
+ }
+
+ for (j = 0; j < basic; ++j) {
+ // if it's not a basic code point
+ if (input.charCodeAt(j) >= 0x80) {
+ error('not-basic');
+ }
+ output.push(input.charCodeAt(j));
+ }
+
+ // Main decoding loop: start just after the last delimiter if any basic code
+ // points were copied; start at the beginning otherwise.
+
+ for (index = basic > 0 ? basic + 1 : 0; index < inputLength; /* no final expression */) {
+
+ // `index` is the index of the next character to be consumed.
+ // Decode a generalized variable-length integer into `delta`,
+ // which gets added to `i`. The overflow checking is easier
+ // if we increase `i` as we go, then subtract off its starting
+ // value at the end to obtain `delta`.
+ for (oldi = i, w = 1, k = base; /* no condition */; k += base) {
+
+ if (index >= inputLength) {
+ error('invalid-input');
+ }
+
+ digit = basicToDigit(input.charCodeAt(index++));
+
+ if (digit >= base || digit > floor((maxInt - i) / w)) {
+ error('overflow');
+ }
+
+ i += digit * w;
+ t = k <= bias ? tMin : (k >= bias + tMax ? tMax : k - bias);
+
+ if (digit < t) {
+ break;
+ }
+
+ baseMinusT = base - t;
+ if (w > floor(maxInt / baseMinusT)) {
+ error('overflow');
+ }
+
+ w *= baseMinusT;
+
+ }
+
+ out = output.length + 1;
+ bias = adapt(i - oldi, out, oldi == 0);
+
+ // `i` was supposed to wrap around from `out` to `0`,
+ // incrementing `n` each time, so we'll fix that now:
+ if (floor(i / out) > maxInt - n) {
+ error('overflow');
+ }
+
+ n += floor(i / out);
+ i %= out;
+
+ // Insert `n` at position `i` of the output
+ output.splice(i++, 0, n);
+
+ }
+
+ return ucs2encode(output);
+ }
+
+ /**
+ * Converts a string of Unicode symbols (e.g. a domain name label) to a
+ * Punycode string of ASCII-only symbols.
+ * @memberOf punycode
+ * @param {String} input The string of Unicode symbols.
+ * @returns {String} The resulting Punycode string of ASCII-only symbols.
+ */
+ function encode(input) {
+ var n,
+ delta,
+ handledCPCount,
+ basicLength,
+ bias,
+ j,
+ m,
+ q,
+ k,
+ t,
+ currentValue,
+ output = [],
+ /** `inputLength` will hold the number of code points in `input`. */
+ inputLength,
+ /** Cached calculation results */
+ handledCPCountPlusOne,
+ baseMinusT,
+ qMinusT;
+
+ // Convert the input in UCS-2 to Unicode
+ input = ucs2decode(input);
+
+ // Cache the length
+ inputLength = input.length;
+
+ // Initialize the state
+ n = initialN;
+ delta = 0;
+ bias = initialBias;
+
+ // Handle the basic code points
+ for (j = 0; j < inputLength; ++j) {
+ currentValue = input[j];
+ if (currentValue < 0x80) {
+ output.push(stringFromCharCode(currentValue));
+ }
+ }
+
+ handledCPCount = basicLength = output.length;
+
+ // `handledCPCount` is the number of code points that have been handled;
+ // `basicLength` is the number of basic code points.
+
+ // Finish the basic string - if it is not empty - with a delimiter
+ if (basicLength) {
+ output.push(delimiter);
+ }
+
+ // Main encoding loop:
+ while (handledCPCount < inputLength) {
+
+ // All non-basic code points < n have been handled already. Find the next
+ // larger one:
+ for (m = maxInt, j = 0; j < inputLength; ++j) {
+ currentValue = input[j];
+ if (currentValue >= n && currentValue < m) {
+ m = currentValue;
+ }
+ }
+
+ // Increase `delta` enough to advance the decoder's state to ,
+ // but guard against overflow
+ handledCPCountPlusOne = handledCPCount + 1;
+ if (m - n > floor((maxInt - delta) / handledCPCountPlusOne)) {
+ error('overflow');
+ }
+
+ delta += (m - n) * handledCPCountPlusOne;
+ n = m;
+
+ for (j = 0; j < inputLength; ++j) {
+ currentValue = input[j];
+
+ if (currentValue < n && ++delta > maxInt) {
+ error('overflow');
+ }
+
+ if (currentValue == n) {
+ // Represent delta as a generalized variable-length integer
+ for (q = delta, k = base; /* no condition */; k += base) {
+ t = k <= bias ? tMin : (k >= bias + tMax ? tMax : k - bias);
+ if (q < t) {
+ break;
+ }
+ qMinusT = q - t;
+ baseMinusT = base - t;
+ output.push(
+ stringFromCharCode(digitToBasic(t + qMinusT % baseMinusT, 0))
+ );
+ q = floor(qMinusT / baseMinusT);
+ }
+
+ output.push(stringFromCharCode(digitToBasic(q, 0)));
+ bias = adapt(delta, handledCPCountPlusOne, handledCPCount == basicLength);
+ delta = 0;
+ ++handledCPCount;
+ }
+ }
+
+ ++delta;
+ ++n;
+
+ }
+ return output.join('');
+ }
+
+ /**
+ * Converts a Punycode string representing a domain name or an email address
+ * to Unicode. Only the Punycoded parts of the input will be converted, i.e.
+ * it doesn't matter if you call it on a string that has already been
+ * converted to Unicode.
+ * @memberOf punycode
+ * @param {String} input The Punycoded domain name or email address to
+ * convert to Unicode.
+ * @returns {String} The Unicode representation of the given Punycode
+ * string.
+ */
+ function toUnicode(input) {
+ return mapDomain(input, function(string) {
+ return regexPunycode.test(string)
+ ? decode(string.slice(4).toLowerCase())
+ : string;
+ });
+ }
+
+ /**
+ * Converts a Unicode string representing a domain name or an email address to
+ * Punycode. Only the non-ASCII parts of the domain name will be converted,
+ * i.e. it doesn't matter if you call it with a domain that's already in
+ * ASCII.
+ * @memberOf punycode
+ * @param {String} input The domain name or email address to convert, as a
+ * Unicode string.
+ * @returns {String} The Punycode representation of the given domain name or
+ * email address.
+ */
+ function toASCII(input) {
+ return mapDomain(input, function(string) {
+ return regexNonASCII.test(string)
+ ? 'xn--' + encode(string)
+ : string;
+ });
+ }
+
+ /*--------------------------------------------------------------------------*/
+
+ /** Define the public API */
+ punycode = {
+ /**
+ * A string representing the current Punycode.js version number.
+ * @memberOf punycode
+ * @type String
+ */
+ 'version': '1.4.1',
+ /**
+ * An object of methods to convert from JavaScript's internal character
+ * representation (UCS-2) to Unicode code points, and back.
+ * @see
+ * @memberOf punycode
+ * @type Object
+ */
+ 'ucs2': {
+ 'decode': ucs2decode,
+ 'encode': ucs2encode
+ },
+ 'decode': decode,
+ 'encode': encode,
+ 'toASCII': toASCII,
+ 'toUnicode': toUnicode
+ };
+
+ /** Expose `punycode` */
+ // Some AMD build optimizers, like r.js, check for specific condition patterns
+ // like the following:
+ if (
+ typeof define == 'function' &&
+ typeof define.amd == 'object' &&
+ define.amd
+ ) {
+ define('punycode', function() {
+ return punycode;
+ });
+ } else if (freeExports && freeModule) {
+ if (module.exports == freeExports) {
+ // in Node.js, io.js, or RingoJS v0.8.0+
+ freeModule.exports = punycode;
+ } else {
+ // in Narwhal or RingoJS v0.7.0-
+ for (key in punycode) {
+ punycode.hasOwnProperty(key) && (freeExports[key] = punycode[key]);
+ }
+ }
+ } else {
+ // in Rhino or a web browser
+ root.punycode = punycode;
+ }
+
+}(this));
+
+}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
+},{}],353:[function(require,module,exports){
+'use strict';
+
+var replace = String.prototype.replace;
+var percentTwenties = /%20/g;
+
+module.exports = {
+ 'default': 'RFC3986',
+ formatters: {
+ RFC1738: function (value) {
+ return replace.call(value, percentTwenties, '+');
+ },
+ RFC3986: function (value) {
+ return value;
+ }
+ },
+ RFC1738: 'RFC1738',
+ RFC3986: 'RFC3986'
+};
+
+},{}],354:[function(require,module,exports){
+'use strict';
+
+var stringify = require('./stringify');
+var parse = require('./parse');
+var formats = require('./formats');
+
+module.exports = {
+ formats: formats,
+ parse: parse,
+ stringify: stringify
+};
+
+},{"./formats":353,"./parse":355,"./stringify":356}],355:[function(require,module,exports){
+'use strict';
+
+var utils = require('./utils');
+
+var has = Object.prototype.hasOwnProperty;
+
+var defaults = {
+ allowDots: false,
+ allowPrototypes: false,
+ arrayLimit: 20,
+ decoder: utils.decode,
+ delimiter: '&',
+ depth: 5,
+ parameterLimit: 1000,
+ plainObjects: false,
+ strictNullHandling: false
+};
+
+var parseValues = function parseQueryStringValues(str, options) {
+ var obj = {};
+ var cleanStr = options.ignoreQueryPrefix ? str.replace(/^\?/, '') : str;
+ var limit = options.parameterLimit === Infinity ? undefined : options.parameterLimit;
+ var parts = cleanStr.split(options.delimiter, limit);
+
+ for (var i = 0; i < parts.length; ++i) {
+ var part = parts[i];
+
+ var bracketEqualsPos = part.indexOf(']=');
+ var pos = bracketEqualsPos === -1 ? part.indexOf('=') : bracketEqualsPos + 1;
+
+ var key, val;
+ if (pos === -1) {
+ key = options.decoder(part, defaults.decoder);
+ val = options.strictNullHandling ? null : '';
+ } else {
+ key = options.decoder(part.slice(0, pos), defaults.decoder);
+ val = options.decoder(part.slice(pos + 1), defaults.decoder);
+ }
+ if (has.call(obj, key)) {
+ obj[key] = [].concat(obj[key]).concat(val);
+ } else {
+ obj[key] = val;
+ }
+ }
+
+ return obj;
+};
+
+var parseObject = function (chain, val, options) {
+ var leaf = val;
+
+ for (var i = chain.length - 1; i >= 0; --i) {
+ var obj;
+ var root = chain[i];
+
+ if (root === '[]') {
+ obj = [];
+ obj = obj.concat(leaf);
+ } else {
+ obj = options.plainObjects ? Object.create(null) : {};
+ var cleanRoot = root.charAt(0) === '[' && root.charAt(root.length - 1) === ']' ? root.slice(1, -1) : root;
+ var index = parseInt(cleanRoot, 10);
+ if (
+ !isNaN(index)
+ && root !== cleanRoot
+ && String(index) === cleanRoot
+ && index >= 0
+ && (options.parseArrays && index <= options.arrayLimit)
+ ) {
+ obj = [];
+ obj[index] = leaf;
+ } else {
+ obj[cleanRoot] = leaf;
+ }
+ }
+
+ leaf = obj;
+ }
+
+ return leaf;
+};
+
+var parseKeys = function parseQueryStringKeys(givenKey, val, options) {
+ if (!givenKey) {
+ return;
+ }
+
+ // Transform dot notation to bracket notation
+ var key = options.allowDots ? givenKey.replace(/\.([^.[]+)/g, '[$1]') : givenKey;
+
+ // The regex chunks
+
+ var brackets = /(\[[^[\]]*])/;
+ var child = /(\[[^[\]]*])/g;
+
+ // Get the parent
+
+ var segment = brackets.exec(key);
+ var parent = segment ? key.slice(0, segment.index) : key;
+
+ // Stash the parent if it exists
+
+ var keys = [];
+ if (parent) {
+ // If we aren't using plain objects, optionally prefix keys
+ // that would overwrite object prototype properties
+ if (!options.plainObjects && has.call(Object.prototype, parent)) {
+ if (!options.allowPrototypes) {
+ return;
+ }
+ }
+
+ keys.push(parent);
+ }
+
+ // Loop through children appending to the array until we hit depth
+
+ var i = 0;
+ while ((segment = child.exec(key)) !== null && i < options.depth) {
+ i += 1;
+ if (!options.plainObjects && has.call(Object.prototype, segment[1].slice(1, -1))) {
+ if (!options.allowPrototypes) {
+ return;
+ }
+ }
+ keys.push(segment[1]);
+ }
+
+ // If there's a remainder, just add whatever is left
+
+ if (segment) {
+ keys.push('[' + key.slice(segment.index) + ']');
+ }
+
+ return parseObject(keys, val, options);
+};
+
+module.exports = function (str, opts) {
+ var options = opts ? utils.assign({}, opts) : {};
+
+ if (options.decoder !== null && options.decoder !== undefined && typeof options.decoder !== 'function') {
+ throw new TypeError('Decoder has to be a function.');
+ }
+
+ options.ignoreQueryPrefix = options.ignoreQueryPrefix === true;
+ options.delimiter = typeof options.delimiter === 'string' || utils.isRegExp(options.delimiter) ? options.delimiter : defaults.delimiter;
+ options.depth = typeof options.depth === 'number' ? options.depth : defaults.depth;
+ options.arrayLimit = typeof options.arrayLimit === 'number' ? options.arrayLimit : defaults.arrayLimit;
+ options.parseArrays = options.parseArrays !== false;
+ options.decoder = typeof options.decoder === 'function' ? options.decoder : defaults.decoder;
+ options.allowDots = typeof options.allowDots === 'boolean' ? options.allowDots : defaults.allowDots;
+ options.plainObjects = typeof options.plainObjects === 'boolean' ? options.plainObjects : defaults.plainObjects;
+ options.allowPrototypes = typeof options.allowPrototypes === 'boolean' ? options.allowPrototypes : defaults.allowPrototypes;
+ options.parameterLimit = typeof options.parameterLimit === 'number' ? options.parameterLimit : defaults.parameterLimit;
+ options.strictNullHandling = typeof options.strictNullHandling === 'boolean' ? options.strictNullHandling : defaults.strictNullHandling;
+
+ if (str === '' || str === null || typeof str === 'undefined') {
+ return options.plainObjects ? Object.create(null) : {};
+ }
+
+ var tempObj = typeof str === 'string' ? parseValues(str, options) : str;
+ var obj = options.plainObjects ? Object.create(null) : {};
+
+ // Iterate over the keys and setup the new object
+
+ var keys = Object.keys(tempObj);
+ for (var i = 0; i < keys.length; ++i) {
+ var key = keys[i];
+ var newObj = parseKeys(key, tempObj[key], options);
+ obj = utils.merge(obj, newObj, options);
+ }
+
+ return utils.compact(obj);
+};
+
+},{"./utils":357}],356:[function(require,module,exports){
+'use strict';
+
+var utils = require('./utils');
+var formats = require('./formats');
+
+var arrayPrefixGenerators = {
+ brackets: function brackets(prefix) { // eslint-disable-line func-name-matching
+ return prefix + '[]';
+ },
+ indices: function indices(prefix, key) { // eslint-disable-line func-name-matching
+ return prefix + '[' + key + ']';
+ },
+ repeat: function repeat(prefix) { // eslint-disable-line func-name-matching
+ return prefix;
+ }
+};
+
+var toISO = Date.prototype.toISOString;
+
+var defaults = {
+ delimiter: '&',
+ encode: true,
+ encoder: utils.encode,
+ encodeValuesOnly: false,
+ serializeDate: function serializeDate(date) { // eslint-disable-line func-name-matching
+ return toISO.call(date);
+ },
+ skipNulls: false,
+ strictNullHandling: false
+};
+
+var stringify = function stringify( // eslint-disable-line func-name-matching
+ object,
+ prefix,
+ generateArrayPrefix,
+ strictNullHandling,
+ skipNulls,
+ encoder,
+ filter,
+ sort,
+ allowDots,
+ serializeDate,
+ formatter,
+ encodeValuesOnly
+) {
+ var obj = object;
+ if (typeof filter === 'function') {
+ obj = filter(prefix, obj);
+ } else if (obj instanceof Date) {
+ obj = serializeDate(obj);
+ } else if (obj === null) {
+ if (strictNullHandling) {
+ return encoder && !encodeValuesOnly ? encoder(prefix, defaults.encoder) : prefix;
+ }
+
+ obj = '';
+ }
+
+ if (typeof obj === 'string' || typeof obj === 'number' || typeof obj === 'boolean' || utils.isBuffer(obj)) {
+ if (encoder) {
+ var keyValue = encodeValuesOnly ? prefix : encoder(prefix, defaults.encoder);
+ return [formatter(keyValue) + '=' + formatter(encoder(obj, defaults.encoder))];
+ }
+ return [formatter(prefix) + '=' + formatter(String(obj))];
+ }
+
+ var values = [];
+
+ if (typeof obj === 'undefined') {
+ return values;
+ }
+
+ var objKeys;
+ if (Array.isArray(filter)) {
+ objKeys = filter;
+ } else {
+ var keys = Object.keys(obj);
+ objKeys = sort ? keys.sort(sort) : keys;
+ }
+
+ for (var i = 0; i < objKeys.length; ++i) {
+ var key = objKeys[i];
+
+ if (skipNulls && obj[key] === null) {
+ continue;
+ }
+
+ if (Array.isArray(obj)) {
+ values = values.concat(stringify(
+ obj[key],
+ generateArrayPrefix(prefix, key),
+ generateArrayPrefix,
+ strictNullHandling,
+ skipNulls,
+ encoder,
+ filter,
+ sort,
+ allowDots,
+ serializeDate,
+ formatter,
+ encodeValuesOnly
+ ));
+ } else {
+ values = values.concat(stringify(
+ obj[key],
+ prefix + (allowDots ? '.' + key : '[' + key + ']'),
+ generateArrayPrefix,
+ strictNullHandling,
+ skipNulls,
+ encoder,
+ filter,
+ sort,
+ allowDots,
+ serializeDate,
+ formatter,
+ encodeValuesOnly
+ ));
+ }
+ }
+
+ return values;
+};
+
+module.exports = function (object, opts) {
+ var obj = object;
+ var options = opts ? utils.assign({}, opts) : {};
+
+ if (options.encoder !== null && options.encoder !== undefined && typeof options.encoder !== 'function') {
+ throw new TypeError('Encoder has to be a function.');
+ }
+
+ var delimiter = typeof options.delimiter === 'undefined' ? defaults.delimiter : options.delimiter;
+ var strictNullHandling = typeof options.strictNullHandling === 'boolean' ? options.strictNullHandling : defaults.strictNullHandling;
+ var skipNulls = typeof options.skipNulls === 'boolean' ? options.skipNulls : defaults.skipNulls;
+ var encode = typeof options.encode === 'boolean' ? options.encode : defaults.encode;
+ var encoder = typeof options.encoder === 'function' ? options.encoder : defaults.encoder;
+ var sort = typeof options.sort === 'function' ? options.sort : null;
+ var allowDots = typeof options.allowDots === 'undefined' ? false : options.allowDots;
+ var serializeDate = typeof options.serializeDate === 'function' ? options.serializeDate : defaults.serializeDate;
+ var encodeValuesOnly = typeof options.encodeValuesOnly === 'boolean' ? options.encodeValuesOnly : defaults.encodeValuesOnly;
+ if (typeof options.format === 'undefined') {
+ options.format = formats['default'];
+ } else if (!Object.prototype.hasOwnProperty.call(formats.formatters, options.format)) {
+ throw new TypeError('Unknown format option provided.');
+ }
+ var formatter = formats.formatters[options.format];
+ var objKeys;
+ var filter;
+
+ if (typeof options.filter === 'function') {
+ filter = options.filter;
+ obj = filter('', obj);
+ } else if (Array.isArray(options.filter)) {
+ filter = options.filter;
+ objKeys = filter;
+ }
+
+ var keys = [];
+
+ if (typeof obj !== 'object' || obj === null) {
+ return '';
+ }
+
+ var arrayFormat;
+ if (options.arrayFormat in arrayPrefixGenerators) {
+ arrayFormat = options.arrayFormat;
+ } else if ('indices' in options) {
+ arrayFormat = options.indices ? 'indices' : 'repeat';
+ } else {
+ arrayFormat = 'indices';
+ }
+
+ var generateArrayPrefix = arrayPrefixGenerators[arrayFormat];
+
+ if (!objKeys) {
+ objKeys = Object.keys(obj);
+ }
+
+ if (sort) {
+ objKeys.sort(sort);
+ }
+
+ for (var i = 0; i < objKeys.length; ++i) {
+ var key = objKeys[i];
+
+ if (skipNulls && obj[key] === null) {
+ continue;
+ }
+
+ keys = keys.concat(stringify(
+ obj[key],
+ key,
+ generateArrayPrefix,
+ strictNullHandling,
+ skipNulls,
+ encode ? encoder : null,
+ filter,
+ sort,
+ allowDots,
+ serializeDate,
+ formatter,
+ encodeValuesOnly
+ ));
+ }
+
+ var joined = keys.join(delimiter);
+ var prefix = options.addQueryPrefix === true ? '?' : '';
+
+ return joined.length > 0 ? prefix + joined : '';
+};
+
+},{"./formats":353,"./utils":357}],357:[function(require,module,exports){
+'use strict';
+
+var has = Object.prototype.hasOwnProperty;
+
+var hexTable = (function () {
+ var array = [];
+ for (var i = 0; i < 256; ++i) {
+ array.push('%' + ((i < 16 ? '0' : '') + i.toString(16)).toUpperCase());
+ }
+
+ return array;
+}());
+
+var compactQueue = function compactQueue(queue) {
+ var obj;
+
+ while (queue.length) {
+ var item = queue.pop();
+ obj = item.obj[item.prop];
+
+ if (Array.isArray(obj)) {
+ var compacted = [];
+
+ for (var j = 0; j < obj.length; ++j) {
+ if (typeof obj[j] !== 'undefined') {
+ compacted.push(obj[j]);
+ }
+ }
+
+ item.obj[item.prop] = compacted;
+ }
+ }
+
+ return obj;
+};
+
+exports.arrayToObject = function arrayToObject(source, options) {
+ var obj = options && options.plainObjects ? Object.create(null) : {};
+ for (var i = 0; i < source.length; ++i) {
+ if (typeof source[i] !== 'undefined') {
+ obj[i] = source[i];
+ }
+ }
+
+ return obj;
+};
+
+exports.merge = function merge(target, source, options) {
+ if (!source) {
+ return target;
+ }
+
+ if (typeof source !== 'object') {
+ if (Array.isArray(target)) {
+ target.push(source);
+ } else if (typeof target === 'object') {
+ if (options.plainObjects || options.allowPrototypes || !has.call(Object.prototype, source)) {
+ target[source] = true;
+ }
+ } else {
+ return [target, source];
+ }
+
+ return target;
+ }
+
+ if (typeof target !== 'object') {
+ return [target].concat(source);
+ }
+
+ var mergeTarget = target;
+ if (Array.isArray(target) && !Array.isArray(source)) {
+ mergeTarget = exports.arrayToObject(target, options);
+ }
+
+ if (Array.isArray(target) && Array.isArray(source)) {
+ source.forEach(function (item, i) {
+ if (has.call(target, i)) {
+ if (target[i] && typeof target[i] === 'object') {
+ target[i] = exports.merge(target[i], item, options);
+ } else {
+ target.push(item);
+ }
+ } else {
+ target[i] = item;
+ }
+ });
+ return target;
+ }
+
+ return Object.keys(source).reduce(function (acc, key) {
+ var value = source[key];
+
+ if (has.call(acc, key)) {
+ acc[key] = exports.merge(acc[key], value, options);
+ } else {
+ acc[key] = value;
+ }
+ return acc;
+ }, mergeTarget);
+};
+
+exports.assign = function assignSingleSource(target, source) {
+ return Object.keys(source).reduce(function (acc, key) {
+ acc[key] = source[key];
+ return acc;
+ }, target);
+};
+
+exports.decode = function (str) {
+ try {
+ return decodeURIComponent(str.replace(/\+/g, ' '));
+ } catch (e) {
+ return str;
+ }
+};
+
+exports.encode = function encode(str) {
+ // This code was originally written by Brian White (mscdex) for the io.js core querystring library.
+ // It has been adapted here for stricter adherence to RFC 3986
+ if (str.length === 0) {
+ return str;
+ }
+
+ var string = typeof str === 'string' ? str : String(str);
+
+ var out = '';
+ for (var i = 0; i < string.length; ++i) {
+ var c = string.charCodeAt(i);
+
+ if (
+ c === 0x2D // -
+ || c === 0x2E // .
+ || c === 0x5F // _
+ || c === 0x7E // ~
+ || (c >= 0x30 && c <= 0x39) // 0-9
+ || (c >= 0x41 && c <= 0x5A) // a-z
+ || (c >= 0x61 && c <= 0x7A) // A-Z
+ ) {
+ out += string.charAt(i);
+ continue;
+ }
+
+ if (c < 0x80) {
+ out = out + hexTable[c];
+ continue;
+ }
+
+ if (c < 0x800) {
+ out = out + (hexTable[0xC0 | (c >> 6)] + hexTable[0x80 | (c & 0x3F)]);
+ continue;
+ }
+
+ if (c < 0xD800 || c >= 0xE000) {
+ out = out + (hexTable[0xE0 | (c >> 12)] + hexTable[0x80 | ((c >> 6) & 0x3F)] + hexTable[0x80 | (c & 0x3F)]);
+ continue;
+ }
+
+ i += 1;
+ c = 0x10000 + (((c & 0x3FF) << 10) | (string.charCodeAt(i) & 0x3FF));
+ out += hexTable[0xF0 | (c >> 18)]
+ + hexTable[0x80 | ((c >> 12) & 0x3F)]
+ + hexTable[0x80 | ((c >> 6) & 0x3F)]
+ + hexTable[0x80 | (c & 0x3F)];
+ }
+
+ return out;
+};
+
+exports.compact = function compact(value) {
+ var queue = [{ obj: { o: value }, prop: 'o' }];
+ var refs = [];
+
+ for (var i = 0; i < queue.length; ++i) {
+ var item = queue[i];
+ var obj = item.obj[item.prop];
+
+ var keys = Object.keys(obj);
+ for (var j = 0; j < keys.length; ++j) {
+ var key = keys[j];
+ var val = obj[key];
+ if (typeof val === 'object' && val !== null && refs.indexOf(val) === -1) {
+ queue.push({ obj: obj, prop: key });
+ refs.push(val);
+ }
+ }
+ }
+
+ return compactQueue(queue);
+};
+
+exports.isRegExp = function isRegExp(obj) {
+ return Object.prototype.toString.call(obj) === '[object RegExp]';
+};
+
+exports.isBuffer = function isBuffer(obj) {
+ if (obj === null || typeof obj === 'undefined') {
+ return false;
+ }
+
+ return !!(obj.constructor && obj.constructor.isBuffer && obj.constructor.isBuffer(obj));
+};
+
+},{}],358:[function(require,module,exports){
+// Copyright Joyent, Inc. and other Node contributors.
+//
+// Permission is hereby granted, free of charge, to any person obtaining a
+// copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to permit
+// persons to whom the Software is furnished to do so, subject to the
+// following conditions:
+//
+// The above copyright notice and this permission notice shall be included
+// in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
+// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+// USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+'use strict';
+
+// If obj.hasOwnProperty has been overridden, then calling
+// obj.hasOwnProperty(prop) will break.
+// See: https://github.com/joyent/node/issues/1707
+function hasOwnProperty(obj, prop) {
+ return Object.prototype.hasOwnProperty.call(obj, prop);
+}
+
+module.exports = function(qs, sep, eq, options) {
+ sep = sep || '&';
+ eq = eq || '=';
+ var obj = {};
+
+ if (typeof qs !== 'string' || qs.length === 0) {
+ return obj;
+ }
+
+ var regexp = /\+/g;
+ qs = qs.split(sep);
+
+ var maxKeys = 1000;
+ if (options && typeof options.maxKeys === 'number') {
+ maxKeys = options.maxKeys;
+ }
+
+ var len = qs.length;
+ // maxKeys <= 0 means that we should not limit keys count
+ if (maxKeys > 0 && len > maxKeys) {
+ len = maxKeys;
+ }
+
+ for (var i = 0; i < len; ++i) {
+ var x = qs[i].replace(regexp, '%20'),
+ idx = x.indexOf(eq),
+ kstr, vstr, k, v;
+
+ if (idx >= 0) {
+ kstr = x.substr(0, idx);
+ vstr = x.substr(idx + 1);
+ } else {
+ kstr = x;
+ vstr = '';
+ }
+
+ k = decodeURIComponent(kstr);
+ v = decodeURIComponent(vstr);
+
+ if (!hasOwnProperty(obj, k)) {
+ obj[k] = v;
+ } else if (isArray(obj[k])) {
+ obj[k].push(v);
+ } else {
+ obj[k] = [obj[k], v];
+ }
+ }
+
+ return obj;
+};
+
+var isArray = Array.isArray || function (xs) {
+ return Object.prototype.toString.call(xs) === '[object Array]';
+};
+
+},{}],359:[function(require,module,exports){
+// Copyright Joyent, Inc. and other Node contributors.
+//
+// Permission is hereby granted, free of charge, to any person obtaining a
+// copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to permit
+// persons to whom the Software is furnished to do so, subject to the
+// following conditions:
+//
+// The above copyright notice and this permission notice shall be included
+// in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
+// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+// USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+'use strict';
+
+var stringifyPrimitive = function(v) {
+ switch (typeof v) {
+ case 'string':
+ return v;
+
+ case 'boolean':
+ return v ? 'true' : 'false';
+
+ case 'number':
+ return isFinite(v) ? v : '';
+
+ default:
+ return '';
+ }
+};
+
+module.exports = function(obj, sep, eq, name) {
+ sep = sep || '&';
+ eq = eq || '=';
+ if (obj === null) {
+ obj = undefined;
+ }
+
+ if (typeof obj === 'object') {
+ return map(objectKeys(obj), function(k) {
+ var ks = encodeURIComponent(stringifyPrimitive(k)) + eq;
+ if (isArray(obj[k])) {
+ return map(obj[k], function(v) {
+ return ks + encodeURIComponent(stringifyPrimitive(v));
+ }).join(sep);
+ } else {
+ return ks + encodeURIComponent(stringifyPrimitive(obj[k]));
+ }
+ }).join(sep);
+
+ }
+
+ if (!name) return '';
+ return encodeURIComponent(stringifyPrimitive(name)) + eq +
+ encodeURIComponent(stringifyPrimitive(obj));
+};
+
+var isArray = Array.isArray || function (xs) {
+ return Object.prototype.toString.call(xs) === '[object Array]';
+};
+
+function map (xs, f) {
+ if (xs.map) return xs.map(f);
+ var res = [];
+ for (var i = 0; i < xs.length; i++) {
+ res.push(f(xs[i], i));
+ }
+ return res;
+}
+
+var objectKeys = Object.keys || function (obj) {
+ var res = [];
+ for (var key in obj) {
+ if (Object.prototype.hasOwnProperty.call(obj, key)) res.push(key);
+ }
+ return res;
+};
+
+},{}],360:[function(require,module,exports){
+'use strict';
+
+exports.decode = exports.parse = require('./decode');
+exports.encode = exports.stringify = require('./encode');
+
+},{"./decode":358,"./encode":359}],361:[function(require,module,exports){
+(function (process,global){
+'use strict'
+
+function oldBrowser () {
+ throw new Error('secure random number generation not supported by this browser\nuse chrome, FireFox or Internet Explorer 11')
+}
+
+var Buffer = require('safe-buffer').Buffer
+var crypto = global.crypto || global.msCrypto
+
+if (crypto && crypto.getRandomValues) {
+ module.exports = randomBytes
+} else {
+ module.exports = oldBrowser
+}
+
+function randomBytes (size, cb) {
+ // phantomjs needs to throw
+ if (size > 65536) throw new Error('requested too many random bytes')
+ // in case browserify isn't using the Uint8Array version
+ var rawBytes = new global.Uint8Array(size)
+
+ // This will not work in older browsers.
+ // See https://developer.mozilla.org/en-US/docs/Web/API/window.crypto.getRandomValues
+ if (size > 0) { // getRandomValues fails on IE if size == 0
+ crypto.getRandomValues(rawBytes)
+ }
+
+ // XXX: phantomjs doesn't like a buffer being passed here
+ var bytes = Buffer.from(rawBytes.buffer)
+
+ if (typeof cb === 'function') {
+ return process.nextTick(function () {
+ cb(null, bytes)
+ })
+ }
+
+ return bytes
+}
+
+}).call(this,require('_process'),typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
+},{"_process":345,"safe-buffer":393}],362:[function(require,module,exports){
+module.exports = require('./lib/_stream_duplex.js');
+
+},{"./lib/_stream_duplex.js":363}],363:[function(require,module,exports){
+// Copyright Joyent, Inc. and other Node contributors.
+//
+// Permission is hereby granted, free of charge, to any person obtaining a
+// copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to permit
+// persons to whom the Software is furnished to do so, subject to the
+// following conditions:
+//
+// The above copyright notice and this permission notice shall be included
+// in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
+// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+// USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+// a duplex stream is just a stream that is both readable and writable.
+// Since JS doesn't have multiple prototypal inheritance, this class
+// prototypally inherits from Readable, and then parasitically from
+// Writable.
+
+'use strict';
+
+/**/
+
+var processNextTick = require('process-nextick-args');
+/**/
+
+/**/
+var objectKeys = Object.keys || function (obj) {
+ var keys = [];
+ for (var key in obj) {
+ keys.push(key);
+ }return keys;
+};
+/**/
+
+module.exports = Duplex;
+
+/**/
+var util = require('core-util-is');
+util.inherits = require('inherits');
+/**/
+
+var Readable = require('./_stream_readable');
+var Writable = require('./_stream_writable');
+
+util.inherits(Duplex, Readable);
+
+var keys = objectKeys(Writable.prototype);
+for (var v = 0; v < keys.length; v++) {
+ var method = keys[v];
+ if (!Duplex.prototype[method]) Duplex.prototype[method] = Writable.prototype[method];
+}
+
+function Duplex(options) {
+ if (!(this instanceof Duplex)) return new Duplex(options);
+
+ Readable.call(this, options);
+ Writable.call(this, options);
+
+ if (options && options.readable === false) this.readable = false;
+
+ if (options && options.writable === false) this.writable = false;
+
+ this.allowHalfOpen = true;
+ if (options && options.allowHalfOpen === false) this.allowHalfOpen = false;
+
+ this.once('end', onend);
+}
+
+// the no-half-open enforcer
+function onend() {
+ // if we allow half-open state, or if the writable side ended,
+ // then we're ok.
+ if (this.allowHalfOpen || this._writableState.ended) return;
+
+ // no more data can be written.
+ // But allow more writes to happen in this tick.
+ processNextTick(onEndNT, this);
+}
+
+function onEndNT(self) {
+ self.end();
+}
+
+Object.defineProperty(Duplex.prototype, 'destroyed', {
+ get: function () {
+ if (this._readableState === undefined || this._writableState === undefined) {
+ return false;
+ }
+ return this._readableState.destroyed && this._writableState.destroyed;
+ },
+ set: function (value) {
+ // we ignore the value if the stream
+ // has not been initialized yet
+ if (this._readableState === undefined || this._writableState === undefined) {
+ return;
+ }
+
+ // backward compatibility, the user is explicitly
+ // managing destroyed
+ this._readableState.destroyed = value;
+ this._writableState.destroyed = value;
+ }
+});
+
+Duplex.prototype._destroy = function (err, cb) {
+ this.push(null);
+ this.end();
+
+ processNextTick(cb, err);
+};
+
+function forEach(xs, f) {
+ for (var i = 0, l = xs.length; i < l; i++) {
+ f(xs[i], i);
+ }
+}
+},{"./_stream_readable":365,"./_stream_writable":367,"core-util-is":115,"inherits":279,"process-nextick-args":344}],364:[function(require,module,exports){
+// Copyright Joyent, Inc. and other Node contributors.
+//
+// Permission is hereby granted, free of charge, to any person obtaining a
+// copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to permit
+// persons to whom the Software is furnished to do so, subject to the
+// following conditions:
+//
+// The above copyright notice and this permission notice shall be included
+// in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
+// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+// USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+// a passthrough stream.
+// basically just the most minimal sort of Transform stream.
+// Every written chunk gets output as-is.
+
+'use strict';
+
+module.exports = PassThrough;
+
+var Transform = require('./_stream_transform');
+
+/**/
+var util = require('core-util-is');
+util.inherits = require('inherits');
+/**/
+
+util.inherits(PassThrough, Transform);
+
+function PassThrough(options) {
+ if (!(this instanceof PassThrough)) return new PassThrough(options);
+
+ Transform.call(this, options);
+}
+
+PassThrough.prototype._transform = function (chunk, encoding, cb) {
+ cb(null, chunk);
+};
+},{"./_stream_transform":366,"core-util-is":115,"inherits":279}],365:[function(require,module,exports){
+(function (process,global){
+// Copyright Joyent, Inc. and other Node contributors.
+//
+// Permission is hereby granted, free of charge, to any person obtaining a
+// copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to permit
+// persons to whom the Software is furnished to do so, subject to the
+// following conditions:
+//
+// The above copyright notice and this permission notice shall be included
+// in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
+// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+// USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+'use strict';
+
+/**/
+
+var processNextTick = require('process-nextick-args');
+/**/
+
+module.exports = Readable;
+
+/**/
+var isArray = require('isarray');
+/**/
+
+/**/
+var Duplex;
+/**/
+
+Readable.ReadableState = ReadableState;
+
+/**/
+var EE = require('events').EventEmitter;
+
+var EElistenerCount = function (emitter, type) {
+ return emitter.listeners(type).length;
+};
+/**/
+
+/**/
+var Stream = require('./internal/streams/stream');
+/**/
+
+// TODO(bmeurer): Change this back to const once hole checks are
+// properly optimized away early in Ignition+TurboFan.
+/**/
+var Buffer = require('safe-buffer').Buffer;
+var OurUint8Array = global.Uint8Array || function () {};
+function _uint8ArrayToBuffer(chunk) {
+ return Buffer.from(chunk);
+}
+function _isUint8Array(obj) {
+ return Buffer.isBuffer(obj) || obj instanceof OurUint8Array;
+}
+/**/
+
+/**/
+var util = require('core-util-is');
+util.inherits = require('inherits');
+/**/
+
+/**/
+var debugUtil = require('util');
+var debug = void 0;
+if (debugUtil && debugUtil.debuglog) {
+ debug = debugUtil.debuglog('stream');
+} else {
+ debug = function () {};
+}
+/**/
+
+var BufferList = require('./internal/streams/BufferList');
+var destroyImpl = require('./internal/streams/destroy');
+var StringDecoder;
+
+util.inherits(Readable, Stream);
+
+var kProxyEvents = ['error', 'close', 'destroy', 'pause', 'resume'];
+
+function prependListener(emitter, event, fn) {
+ // Sadly this is not cacheable as some libraries bundle their own
+ // event emitter implementation with them.
+ if (typeof emitter.prependListener === 'function') {
+ return emitter.prependListener(event, fn);
+ } else {
+ // This is a hack to make sure that our error handler is attached before any
+ // userland ones. NEVER DO THIS. This is here only because this code needs
+ // to continue to work with older versions of Node.js that do not include
+ // the prependListener() method. The goal is to eventually remove this hack.
+ if (!emitter._events || !emitter._events[event]) emitter.on(event, fn);else if (isArray(emitter._events[event])) emitter._events[event].unshift(fn);else emitter._events[event] = [fn, emitter._events[event]];
+ }
+}
+
+function ReadableState(options, stream) {
+ Duplex = Duplex || require('./_stream_duplex');
+
+ options = options || {};
+
+ // object stream flag. Used to make read(n) ignore n and to
+ // make all the buffer merging and length checks go away
+ this.objectMode = !!options.objectMode;
+
+ if (stream instanceof Duplex) this.objectMode = this.objectMode || !!options.readableObjectMode;
+
+ // the point at which it stops calling _read() to fill the buffer
+ // Note: 0 is a valid value, means "don't call _read preemptively ever"
+ var hwm = options.highWaterMark;
+ var defaultHwm = this.objectMode ? 16 : 16 * 1024;
+ this.highWaterMark = hwm || hwm === 0 ? hwm : defaultHwm;
+
+ // cast to ints.
+ this.highWaterMark = Math.floor(this.highWaterMark);
+
+ // A linked list is used to store data chunks instead of an array because the
+ // linked list can remove elements from the beginning faster than
+ // array.shift()
+ this.buffer = new BufferList();
+ this.length = 0;
+ this.pipes = null;
+ this.pipesCount = 0;
+ this.flowing = null;
+ this.ended = false;
+ this.endEmitted = false;
+ this.reading = false;
+
+ // a flag to be able to tell if the event 'readable'/'data' is emitted
+ // immediately, or on a later tick. We set this to true at first, because
+ // any actions that shouldn't happen until "later" should generally also
+ // not happen before the first read call.
+ this.sync = true;
+
+ // whenever we return null, then we set a flag to say
+ // that we're awaiting a 'readable' event emission.
+ this.needReadable = false;
+ this.emittedReadable = false;
+ this.readableListening = false;
+ this.resumeScheduled = false;
+
+ // has it been destroyed
+ this.destroyed = false;
+
+ // Crypto is kind of old and crusty. Historically, its default string
+ // encoding is 'binary' so we have to make this configurable.
+ // Everything else in the universe uses 'utf8', though.
+ this.defaultEncoding = options.defaultEncoding || 'utf8';
+
+ // the number of writers that are awaiting a drain event in .pipe()s
+ this.awaitDrain = 0;
+
+ // if true, a maybeReadMore has been scheduled
+ this.readingMore = false;
+
+ this.decoder = null;
+ this.encoding = null;
+ if (options.encoding) {
+ if (!StringDecoder) StringDecoder = require('string_decoder/').StringDecoder;
+ this.decoder = new StringDecoder(options.encoding);
+ this.encoding = options.encoding;
+ }
+}
+
+function Readable(options) {
+ Duplex = Duplex || require('./_stream_duplex');
+
+ if (!(this instanceof Readable)) return new Readable(options);
+
+ this._readableState = new ReadableState(options, this);
+
+ // legacy
+ this.readable = true;
+
+ if (options) {
+ if (typeof options.read === 'function') this._read = options.read;
+
+ if (typeof options.destroy === 'function') this._destroy = options.destroy;
+ }
+
+ Stream.call(this);
+}
+
+Object.defineProperty(Readable.prototype, 'destroyed', {
+ get: function () {
+ if (this._readableState === undefined) {
+ return false;
+ }
+ return this._readableState.destroyed;
+ },
+ set: function (value) {
+ // we ignore the value if the stream
+ // has not been initialized yet
+ if (!this._readableState) {
+ return;
+ }
+
+ // backward compatibility, the user is explicitly
+ // managing destroyed
+ this._readableState.destroyed = value;
+ }
+});
+
+Readable.prototype.destroy = destroyImpl.destroy;
+Readable.prototype._undestroy = destroyImpl.undestroy;
+Readable.prototype._destroy = function (err, cb) {
+ this.push(null);
+ cb(err);
+};
+
+// Manually shove something into the read() buffer.
+// This returns true if the highWaterMark has not been hit yet,
+// similar to how Writable.write() returns true if you should
+// write() some more.
+Readable.prototype.push = function (chunk, encoding) {
+ var state = this._readableState;
+ var skipChunkCheck;
+
+ if (!state.objectMode) {
+ if (typeof chunk === 'string') {
+ encoding = encoding || state.defaultEncoding;
+ if (encoding !== state.encoding) {
+ chunk = Buffer.from(chunk, encoding);
+ encoding = '';
+ }
+ skipChunkCheck = true;
+ }
+ } else {
+ skipChunkCheck = true;
+ }
+
+ return readableAddChunk(this, chunk, encoding, false, skipChunkCheck);
+};
+
+// Unshift should *always* be something directly out of read()
+Readable.prototype.unshift = function (chunk) {
+ return readableAddChunk(this, chunk, null, true, false);
+};
+
+function readableAddChunk(stream, chunk, encoding, addToFront, skipChunkCheck) {
+ var state = stream._readableState;
+ if (chunk === null) {
+ state.reading = false;
+ onEofChunk(stream, state);
+ } else {
+ var er;
+ if (!skipChunkCheck) er = chunkInvalid(state, chunk);
+ if (er) {
+ stream.emit('error', er);
+ } else if (state.objectMode || chunk && chunk.length > 0) {
+ if (typeof chunk !== 'string' && !state.objectMode && Object.getPrototypeOf(chunk) !== Buffer.prototype) {
+ chunk = _uint8ArrayToBuffer(chunk);
+ }
+
+ if (addToFront) {
+ if (state.endEmitted) stream.emit('error', new Error('stream.unshift() after end event'));else addChunk(stream, state, chunk, true);
+ } else if (state.ended) {
+ stream.emit('error', new Error('stream.push() after EOF'));
+ } else {
+ state.reading = false;
+ if (state.decoder && !encoding) {
+ chunk = state.decoder.write(chunk);
+ if (state.objectMode || chunk.length !== 0) addChunk(stream, state, chunk, false);else maybeReadMore(stream, state);
+ } else {
+ addChunk(stream, state, chunk, false);
+ }
+ }
+ } else if (!addToFront) {
+ state.reading = false;
+ }
+ }
+
+ return needMoreData(state);
+}
+
+function addChunk(stream, state, chunk, addToFront) {
+ if (state.flowing && state.length === 0 && !state.sync) {
+ stream.emit('data', chunk);
+ stream.read(0);
+ } else {
+ // update the buffer info.
+ state.length += state.objectMode ? 1 : chunk.length;
+ if (addToFront) state.buffer.unshift(chunk);else state.buffer.push(chunk);
+
+ if (state.needReadable) emitReadable(stream);
+ }
+ maybeReadMore(stream, state);
+}
+
+function chunkInvalid(state, chunk) {
+ var er;
+ if (!_isUint8Array(chunk) && typeof chunk !== 'string' && chunk !== undefined && !state.objectMode) {
+ er = new TypeError('Invalid non-string/buffer chunk');
+ }
+ return er;
+}
+
+// if it's past the high water mark, we can push in some more.
+// Also, if we have no data yet, we can stand some
+// more bytes. This is to work around cases where hwm=0,
+// such as the repl. Also, if the push() triggered a
+// readable event, and the user called read(largeNumber) such that
+// needReadable was set, then we ought to push more, so that another
+// 'readable' event will be triggered.
+function needMoreData(state) {
+ return !state.ended && (state.needReadable || state.length < state.highWaterMark || state.length === 0);
+}
+
+Readable.prototype.isPaused = function () {
+ return this._readableState.flowing === false;
+};
+
+// backwards compatibility.
+Readable.prototype.setEncoding = function (enc) {
+ if (!StringDecoder) StringDecoder = require('string_decoder/').StringDecoder;
+ this._readableState.decoder = new StringDecoder(enc);
+ this._readableState.encoding = enc;
+ return this;
+};
+
+// Don't raise the hwm > 8MB
+var MAX_HWM = 0x800000;
+function computeNewHighWaterMark(n) {
+ if (n >= MAX_HWM) {
+ n = MAX_HWM;
+ } else {
+ // Get the next highest power of 2 to prevent increasing hwm excessively in
+ // tiny amounts
+ n--;
+ n |= n >>> 1;
+ n |= n >>> 2;
+ n |= n >>> 4;
+ n |= n >>> 8;
+ n |= n >>> 16;
+ n++;
+ }
+ return n;
+}
+
+// This function is designed to be inlinable, so please take care when making
+// changes to the function body.
+function howMuchToRead(n, state) {
+ if (n <= 0 || state.length === 0 && state.ended) return 0;
+ if (state.objectMode) return 1;
+ if (n !== n) {
+ // Only flow one buffer at a time
+ if (state.flowing && state.length) return state.buffer.head.data.length;else return state.length;
+ }
+ // If we're asking for more than the current hwm, then raise the hwm.
+ if (n > state.highWaterMark) state.highWaterMark = computeNewHighWaterMark(n);
+ if (n <= state.length) return n;
+ // Don't have enough
+ if (!state.ended) {
+ state.needReadable = true;
+ return 0;
+ }
+ return state.length;
+}
+
+// you can override either this method, or the async _read(n) below.
+Readable.prototype.read = function (n) {
+ debug('read', n);
+ n = parseInt(n, 10);
+ var state = this._readableState;
+ var nOrig = n;
+
+ if (n !== 0) state.emittedReadable = false;
+
+ // if we're doing read(0) to trigger a readable event, but we
+ // already have a bunch of data in the buffer, then just trigger
+ // the 'readable' event and move on.
+ if (n === 0 && state.needReadable && (state.length >= state.highWaterMark || state.ended)) {
+ debug('read: emitReadable', state.length, state.ended);
+ if (state.length === 0 && state.ended) endReadable(this);else emitReadable(this);
+ return null;
+ }
+
+ n = howMuchToRead(n, state);
+
+ // if we've ended, and we're now clear, then finish it up.
+ if (n === 0 && state.ended) {
+ if (state.length === 0) endReadable(this);
+ return null;
+ }
+
+ // All the actual chunk generation logic needs to be
+ // *below* the call to _read. The reason is that in certain
+ // synthetic stream cases, such as passthrough streams, _read
+ // may be a completely synchronous operation which may change
+ // the state of the read buffer, providing enough data when
+ // before there was *not* enough.
+ //
+ // So, the steps are:
+ // 1. Figure out what the state of things will be after we do
+ // a read from the buffer.
+ //
+ // 2. If that resulting state will trigger a _read, then call _read.
+ // Note that this may be asynchronous, or synchronous. Yes, it is
+ // deeply ugly to write APIs this way, but that still doesn't mean
+ // that the Readable class should behave improperly, as streams are
+ // designed to be sync/async agnostic.
+ // Take note if the _read call is sync or async (ie, if the read call
+ // has returned yet), so that we know whether or not it's safe to emit
+ // 'readable' etc.
+ //
+ // 3. Actually pull the requested chunks out of the buffer and return.
+
+ // if we need a readable event, then we need to do some reading.
+ var doRead = state.needReadable;
+ debug('need readable', doRead);
+
+ // if we currently have less than the highWaterMark, then also read some
+ if (state.length === 0 || state.length - n < state.highWaterMark) {
+ doRead = true;
+ debug('length less than watermark', doRead);
+ }
+
+ // however, if we've ended, then there's no point, and if we're already
+ // reading, then it's unnecessary.
+ if (state.ended || state.reading) {
+ doRead = false;
+ debug('reading or ended', doRead);
+ } else if (doRead) {
+ debug('do read');
+ state.reading = true;
+ state.sync = true;
+ // if the length is currently zero, then we *need* a readable event.
+ if (state.length === 0) state.needReadable = true;
+ // call internal read method
+ this._read(state.highWaterMark);
+ state.sync = false;
+ // If _read pushed data synchronously, then `reading` will be false,
+ // and we need to re-evaluate how much data we can return to the user.
+ if (!state.reading) n = howMuchToRead(nOrig, state);
+ }
+
+ var ret;
+ if (n > 0) ret = fromList(n, state);else ret = null;
+
+ if (ret === null) {
+ state.needReadable = true;
+ n = 0;
+ } else {
+ state.length -= n;
+ }
+
+ if (state.length === 0) {
+ // If we have nothing in the buffer, then we want to know
+ // as soon as we *do* get something into the buffer.
+ if (!state.ended) state.needReadable = true;
+
+ // If we tried to read() past the EOF, then emit end on the next tick.
+ if (nOrig !== n && state.ended) endReadable(this);
+ }
+
+ if (ret !== null) this.emit('data', ret);
+
+ return ret;
+};
+
+function onEofChunk(stream, state) {
+ if (state.ended) return;
+ if (state.decoder) {
+ var chunk = state.decoder.end();
+ if (chunk && chunk.length) {
+ state.buffer.push(chunk);
+ state.length += state.objectMode ? 1 : chunk.length;
+ }
+ }
+ state.ended = true;
+
+ // emit 'readable' now to make sure it gets picked up.
+ emitReadable(stream);
+}
+
+// Don't emit readable right away in sync mode, because this can trigger
+// another read() call => stack overflow. This way, it might trigger
+// a nextTick recursion warning, but that's not so bad.
+function emitReadable(stream) {
+ var state = stream._readableState;
+ state.needReadable = false;
+ if (!state.emittedReadable) {
+ debug('emitReadable', state.flowing);
+ state.emittedReadable = true;
+ if (state.sync) processNextTick(emitReadable_, stream);else emitReadable_(stream);
+ }
+}
+
+function emitReadable_(stream) {
+ debug('emit readable');
+ stream.emit('readable');
+ flow(stream);
+}
+
+// at this point, the user has presumably seen the 'readable' event,
+// and called read() to consume some data. that may have triggered
+// in turn another _read(n) call, in which case reading = true if
+// it's in progress.
+// However, if we're not ended, or reading, and the length < hwm,
+// then go ahead and try to read some more preemptively.
+function maybeReadMore(stream, state) {
+ if (!state.readingMore) {
+ state.readingMore = true;
+ processNextTick(maybeReadMore_, stream, state);
+ }
+}
+
+function maybeReadMore_(stream, state) {
+ var len = state.length;
+ while (!state.reading && !state.flowing && !state.ended && state.length < state.highWaterMark) {
+ debug('maybeReadMore read 0');
+ stream.read(0);
+ if (len === state.length)
+ // didn't get any data, stop spinning.
+ break;else len = state.length;
+ }
+ state.readingMore = false;
+}
+
+// abstract method. to be overridden in specific implementation classes.
+// call cb(er, data) where data is <= n in length.
+// for virtual (non-string, non-buffer) streams, "length" is somewhat
+// arbitrary, and perhaps not very meaningful.
+Readable.prototype._read = function (n) {
+ this.emit('error', new Error('_read() is not implemented'));
+};
+
+Readable.prototype.pipe = function (dest, pipeOpts) {
+ var src = this;
+ var state = this._readableState;
+
+ switch (state.pipesCount) {
+ case 0:
+ state.pipes = dest;
+ break;
+ case 1:
+ state.pipes = [state.pipes, dest];
+ break;
+ default:
+ state.pipes.push(dest);
+ break;
+ }
+ state.pipesCount += 1;
+ debug('pipe count=%d opts=%j', state.pipesCount, pipeOpts);
+
+ var doEnd = (!pipeOpts || pipeOpts.end !== false) && dest !== process.stdout && dest !== process.stderr;
+
+ var endFn = doEnd ? onend : unpipe;
+ if (state.endEmitted) processNextTick(endFn);else src.once('end', endFn);
+
+ dest.on('unpipe', onunpipe);
+ function onunpipe(readable, unpipeInfo) {
+ debug('onunpipe');
+ if (readable === src) {
+ if (unpipeInfo && unpipeInfo.hasUnpiped === false) {
+ unpipeInfo.hasUnpiped = true;
+ cleanup();
+ }
+ }
+ }
+
+ function onend() {
+ debug('onend');
+ dest.end();
+ }
+
+ // when the dest drains, it reduces the awaitDrain counter
+ // on the source. This would be more elegant with a .once()
+ // handler in flow(), but adding and removing repeatedly is
+ // too slow.
+ var ondrain = pipeOnDrain(src);
+ dest.on('drain', ondrain);
+
+ var cleanedUp = false;
+ function cleanup() {
+ debug('cleanup');
+ // cleanup event handlers once the pipe is broken
+ dest.removeListener('close', onclose);
+ dest.removeListener('finish', onfinish);
+ dest.removeListener('drain', ondrain);
+ dest.removeListener('error', onerror);
+ dest.removeListener('unpipe', onunpipe);
+ src.removeListener('end', onend);
+ src.removeListener('end', unpipe);
+ src.removeListener('data', ondata);
+
+ cleanedUp = true;
+
+ // if the reader is waiting for a drain event from this
+ // specific writer, then it would cause it to never start
+ // flowing again.
+ // So, if this is awaiting a drain, then we just call it now.
+ // If we don't know, then assume that we are waiting for one.
+ if (state.awaitDrain && (!dest._writableState || dest._writableState.needDrain)) ondrain();
+ }
+
+ // If the user pushes more data while we're writing to dest then we'll end up
+ // in ondata again. However, we only want to increase awaitDrain once because
+ // dest will only emit one 'drain' event for the multiple writes.
+ // => Introduce a guard on increasing awaitDrain.
+ var increasedAwaitDrain = false;
+ src.on('data', ondata);
+ function ondata(chunk) {
+ debug('ondata');
+ increasedAwaitDrain = false;
+ var ret = dest.write(chunk);
+ if (false === ret && !increasedAwaitDrain) {
+ // If the user unpiped during `dest.write()`, it is possible
+ // to get stuck in a permanently paused state if that write
+ // also returned false.
+ // => Check whether `dest` is still a piping destination.
+ if ((state.pipesCount === 1 && state.pipes === dest || state.pipesCount > 1 && indexOf(state.pipes, dest) !== -1) && !cleanedUp) {
+ debug('false write response, pause', src._readableState.awaitDrain);
+ src._readableState.awaitDrain++;
+ increasedAwaitDrain = true;
+ }
+ src.pause();
+ }
+ }
+
+ // if the dest has an error, then stop piping into it.
+ // however, don't suppress the throwing behavior for this.
+ function onerror(er) {
+ debug('onerror', er);
+ unpipe();
+ dest.removeListener('error', onerror);
+ if (EElistenerCount(dest, 'error') === 0) dest.emit('error', er);
+ }
+
+ // Make sure our error handler is attached before userland ones.
+ prependListener(dest, 'error', onerror);
+
+ // Both close and finish should trigger unpipe, but only once.
+ function onclose() {
+ dest.removeListener('finish', onfinish);
+ unpipe();
+ }
+ dest.once('close', onclose);
+ function onfinish() {
+ debug('onfinish');
+ dest.removeListener('close', onclose);
+ unpipe();
+ }
+ dest.once('finish', onfinish);
+
+ function unpipe() {
+ debug('unpipe');
+ src.unpipe(dest);
+ }
+
+ // tell the dest that it's being piped to
+ dest.emit('pipe', src);
+
+ // start the flow if it hasn't been started already.
+ if (!state.flowing) {
+ debug('pipe resume');
+ src.resume();
+ }
+
+ return dest;
+};
+
+function pipeOnDrain(src) {
+ return function () {
+ var state = src._readableState;
+ debug('pipeOnDrain', state.awaitDrain);
+ if (state.awaitDrain) state.awaitDrain--;
+ if (state.awaitDrain === 0 && EElistenerCount(src, 'data')) {
+ state.flowing = true;
+ flow(src);
+ }
+ };
+}
+
+Readable.prototype.unpipe = function (dest) {
+ var state = this._readableState;
+ var unpipeInfo = { hasUnpiped: false };
+
+ // if we're not piping anywhere, then do nothing.
+ if (state.pipesCount === 0) return this;
+
+ // just one destination. most common case.
+ if (state.pipesCount === 1) {
+ // passed in one, but it's not the right one.
+ if (dest && dest !== state.pipes) return this;
+
+ if (!dest) dest = state.pipes;
+
+ // got a match.
+ state.pipes = null;
+ state.pipesCount = 0;
+ state.flowing = false;
+ if (dest) dest.emit('unpipe', this, unpipeInfo);
+ return this;
+ }
+
+ // slow case. multiple pipe destinations.
+
+ if (!dest) {
+ // remove all.
+ var dests = state.pipes;
+ var len = state.pipesCount;
+ state.pipes = null;
+ state.pipesCount = 0;
+ state.flowing = false;
+
+ for (var i = 0; i < len; i++) {
+ dests[i].emit('unpipe', this, unpipeInfo);
+ }return this;
+ }
+
+ // try to find the right one.
+ var index = indexOf(state.pipes, dest);
+ if (index === -1) return this;
+
+ state.pipes.splice(index, 1);
+ state.pipesCount -= 1;
+ if (state.pipesCount === 1) state.pipes = state.pipes[0];
+
+ dest.emit('unpipe', this, unpipeInfo);
+
+ return this;
+};
+
+// set up data events if they are asked for
+// Ensure readable listeners eventually get something
+Readable.prototype.on = function (ev, fn) {
+ var res = Stream.prototype.on.call(this, ev, fn);
+
+ if (ev === 'data') {
+ // Start flowing on next tick if stream isn't explicitly paused
+ if (this._readableState.flowing !== false) this.resume();
+ } else if (ev === 'readable') {
+ var state = this._readableState;
+ if (!state.endEmitted && !state.readableListening) {
+ state.readableListening = state.needReadable = true;
+ state.emittedReadable = false;
+ if (!state.reading) {
+ processNextTick(nReadingNextTick, this);
+ } else if (state.length) {
+ emitReadable(this);
+ }
+ }
+ }
+
+ return res;
+};
+Readable.prototype.addListener = Readable.prototype.on;
+
+function nReadingNextTick(self) {
+ debug('readable nexttick read 0');
+ self.read(0);
+}
+
+// pause() and resume() are remnants of the legacy readable stream API
+// If the user uses them, then switch into old mode.
+Readable.prototype.resume = function () {
+ var state = this._readableState;
+ if (!state.flowing) {
+ debug('resume');
+ state.flowing = true;
+ resume(this, state);
+ }
+ return this;
+};
+
+function resume(stream, state) {
+ if (!state.resumeScheduled) {
+ state.resumeScheduled = true;
+ processNextTick(resume_, stream, state);
+ }
+}
+
+function resume_(stream, state) {
+ if (!state.reading) {
+ debug('resume read 0');
+ stream.read(0);
+ }
+
+ state.resumeScheduled = false;
+ state.awaitDrain = 0;
+ stream.emit('resume');
+ flow(stream);
+ if (state.flowing && !state.reading) stream.read(0);
+}
+
+Readable.prototype.pause = function () {
+ debug('call pause flowing=%j', this._readableState.flowing);
+ if (false !== this._readableState.flowing) {
+ debug('pause');
+ this._readableState.flowing = false;
+ this.emit('pause');
+ }
+ return this;
+};
+
+function flow(stream) {
+ var state = stream._readableState;
+ debug('flow', state.flowing);
+ while (state.flowing && stream.read() !== null) {}
+}
+
+// wrap an old-style stream as the async data source.
+// This is *not* part of the readable stream interface.
+// It is an ugly unfortunate mess of history.
+Readable.prototype.wrap = function (stream) {
+ var state = this._readableState;
+ var paused = false;
+
+ var self = this;
+ stream.on('end', function () {
+ debug('wrapped end');
+ if (state.decoder && !state.ended) {
+ var chunk = state.decoder.end();
+ if (chunk && chunk.length) self.push(chunk);
+ }
+
+ self.push(null);
+ });
+
+ stream.on('data', function (chunk) {
+ debug('wrapped data');
+ if (state.decoder) chunk = state.decoder.write(chunk);
+
+ // don't skip over falsy values in objectMode
+ if (state.objectMode && (chunk === null || chunk === undefined)) return;else if (!state.objectMode && (!chunk || !chunk.length)) return;
+
+ var ret = self.push(chunk);
+ if (!ret) {
+ paused = true;
+ stream.pause();
+ }
+ });
+
+ // proxy all the other methods.
+ // important when wrapping filters and duplexes.
+ for (var i in stream) {
+ if (this[i] === undefined && typeof stream[i] === 'function') {
+ this[i] = function (method) {
+ return function () {
+ return stream[method].apply(stream, arguments);
+ };
+ }(i);
+ }
+ }
+
+ // proxy certain important events.
+ for (var n = 0; n < kProxyEvents.length; n++) {
+ stream.on(kProxyEvents[n], self.emit.bind(self, kProxyEvents[n]));
+ }
+
+ // when we try to consume some more bytes, simply unpause the
+ // underlying stream.
+ self._read = function (n) {
+ debug('wrapped _read', n);
+ if (paused) {
+ paused = false;
+ stream.resume();
+ }
+ };
+
+ return self;
+};
+
+// exposed for testing purposes only.
+Readable._fromList = fromList;
+
+// Pluck off n bytes from an array of buffers.
+// Length is the combined lengths of all the buffers in the list.
+// This function is designed to be inlinable, so please take care when making
+// changes to the function body.
+function fromList(n, state) {
+ // nothing buffered
+ if (state.length === 0) return null;
+
+ var ret;
+ if (state.objectMode) ret = state.buffer.shift();else if (!n || n >= state.length) {
+ // read it all, truncate the list
+ if (state.decoder) ret = state.buffer.join('');else if (state.buffer.length === 1) ret = state.buffer.head.data;else ret = state.buffer.concat(state.length);
+ state.buffer.clear();
+ } else {
+ // read part of list
+ ret = fromListPartial(n, state.buffer, state.decoder);
+ }
+
+ return ret;
+}
+
+// Extracts only enough buffered data to satisfy the amount requested.
+// This function is designed to be inlinable, so please take care when making
+// changes to the function body.
+function fromListPartial(n, list, hasStrings) {
+ var ret;
+ if (n < list.head.data.length) {
+ // slice is the same for buffers and strings
+ ret = list.head.data.slice(0, n);
+ list.head.data = list.head.data.slice(n);
+ } else if (n === list.head.data.length) {
+ // first chunk is a perfect match
+ ret = list.shift();
+ } else {
+ // result spans more than one buffer
+ ret = hasStrings ? copyFromBufferString(n, list) : copyFromBuffer(n, list);
+ }
+ return ret;
+}
+
+// Copies a specified amount of characters from the list of buffered data
+// chunks.
+// This function is designed to be inlinable, so please take care when making
+// changes to the function body.
+function copyFromBufferString(n, list) {
+ var p = list.head;
+ var c = 1;
+ var ret = p.data;
+ n -= ret.length;
+ while (p = p.next) {
+ var str = p.data;
+ var nb = n > str.length ? str.length : n;
+ if (nb === str.length) ret += str;else ret += str.slice(0, n);
+ n -= nb;
+ if (n === 0) {
+ if (nb === str.length) {
+ ++c;
+ if (p.next) list.head = p.next;else list.head = list.tail = null;
+ } else {
+ list.head = p;
+ p.data = str.slice(nb);
+ }
+ break;
+ }
+ ++c;
+ }
+ list.length -= c;
+ return ret;
+}
+
+// Copies a specified amount of bytes from the list of buffered data chunks.
+// This function is designed to be inlinable, so please take care when making
+// changes to the function body.
+function copyFromBuffer(n, list) {
+ var ret = Buffer.allocUnsafe(n);
+ var p = list.head;
+ var c = 1;
+ p.data.copy(ret);
+ n -= p.data.length;
+ while (p = p.next) {
+ var buf = p.data;
+ var nb = n > buf.length ? buf.length : n;
+ buf.copy(ret, ret.length - n, 0, nb);
+ n -= nb;
+ if (n === 0) {
+ if (nb === buf.length) {
+ ++c;
+ if (p.next) list.head = p.next;else list.head = list.tail = null;
+ } else {
+ list.head = p;
+ p.data = buf.slice(nb);
+ }
+ break;
+ }
+ ++c;
+ }
+ list.length -= c;
+ return ret;
+}
+
+function endReadable(stream) {
+ var state = stream._readableState;
+
+ // If we get here before consuming all the bytes, then that is a
+ // bug in node. Should never happen.
+ if (state.length > 0) throw new Error('"endReadable()" called on non-empty stream');
+
+ if (!state.endEmitted) {
+ state.ended = true;
+ processNextTick(endReadableNT, state, stream);
+ }
+}
+
+function endReadableNT(state, stream) {
+ // Check that we didn't get one last unshift.
+ if (!state.endEmitted && state.length === 0) {
+ state.endEmitted = true;
+ stream.readable = false;
+ stream.emit('end');
+ }
+}
+
+function forEach(xs, f) {
+ for (var i = 0, l = xs.length; i < l; i++) {
+ f(xs[i], i);
+ }
+}
+
+function indexOf(xs, x) {
+ for (var i = 0, l = xs.length; i < l; i++) {
+ if (xs[i] === x) return i;
+ }
+ return -1;
+}
+}).call(this,require('_process'),typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
+},{"./_stream_duplex":363,"./internal/streams/BufferList":368,"./internal/streams/destroy":369,"./internal/streams/stream":370,"_process":345,"core-util-is":115,"events":200,"inherits":279,"isarray":284,"process-nextick-args":344,"safe-buffer":393,"string_decoder/":447,"util":76}],366:[function(require,module,exports){
+// Copyright Joyent, Inc. and other Node contributors.
+//
+// Permission is hereby granted, free of charge, to any person obtaining a
+// copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to permit
+// persons to whom the Software is furnished to do so, subject to the
+// following conditions:
+//
+// The above copyright notice and this permission notice shall be included
+// in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
+// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+// USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+// a transform stream is a readable/writable stream where you do
+// something with the data. Sometimes it's called a "filter",
+// but that's not a great name for it, since that implies a thing where
+// some bits pass through, and others are simply ignored. (That would
+// be a valid example of a transform, of course.)
+//
+// While the output is causally related to the input, it's not a
+// necessarily symmetric or synchronous transformation. For example,
+// a zlib stream might take multiple plain-text writes(), and then
+// emit a single compressed chunk some time in the future.
+//
+// Here's how this works:
+//
+// The Transform stream has all the aspects of the readable and writable
+// stream classes. When you write(chunk), that calls _write(chunk,cb)
+// internally, and returns false if there's a lot of pending writes
+// buffered up. When you call read(), that calls _read(n) until
+// there's enough pending readable data buffered up.
+//
+// In a transform stream, the written data is placed in a buffer. When
+// _read(n) is called, it transforms the queued up data, calling the
+// buffered _write cb's as it consumes chunks. If consuming a single
+// written chunk would result in multiple output chunks, then the first
+// outputted bit calls the readcb, and subsequent chunks just go into
+// the read buffer, and will cause it to emit 'readable' if necessary.
+//
+// This way, back-pressure is actually determined by the reading side,
+// since _read has to be called to start processing a new chunk. However,
+// a pathological inflate type of transform can cause excessive buffering
+// here. For example, imagine a stream where every byte of input is
+// interpreted as an integer from 0-255, and then results in that many
+// bytes of output. Writing the 4 bytes {ff,ff,ff,ff} would result in
+// 1kb of data being output. In this case, you could write a very small
+// amount of input, and end up with a very large amount of output. In
+// such a pathological inflating mechanism, there'd be no way to tell
+// the system to stop doing the transform. A single 4MB write could
+// cause the system to run out of memory.
+//
+// However, even in such a pathological case, only a single written chunk
+// would be consumed, and then the rest would wait (un-transformed) until
+// the results of the previous transformed chunk were consumed.
+
+'use strict';
+
+module.exports = Transform;
+
+var Duplex = require('./_stream_duplex');
+
+/**/
+var util = require('core-util-is');
+util.inherits = require('inherits');
+/**/
+
+util.inherits(Transform, Duplex);
+
+function TransformState(stream) {
+ this.afterTransform = function (er, data) {
+ return afterTransform(stream, er, data);
+ };
+
+ this.needTransform = false;
+ this.transforming = false;
+ this.writecb = null;
+ this.writechunk = null;
+ this.writeencoding = null;
+}
+
+function afterTransform(stream, er, data) {
+ var ts = stream._transformState;
+ ts.transforming = false;
+
+ var cb = ts.writecb;
+
+ if (!cb) {
+ return stream.emit('error', new Error('write callback called multiple times'));
+ }
+
+ ts.writechunk = null;
+ ts.writecb = null;
+
+ if (data !== null && data !== undefined) stream.push(data);
+
+ cb(er);
+
+ var rs = stream._readableState;
+ rs.reading = false;
+ if (rs.needReadable || rs.length < rs.highWaterMark) {
+ stream._read(rs.highWaterMark);
+ }
+}
+
+function Transform(options) {
+ if (!(this instanceof Transform)) return new Transform(options);
+
+ Duplex.call(this, options);
+
+ this._transformState = new TransformState(this);
+
+ var stream = this;
+
+ // start out asking for a readable event once data is transformed.
+ this._readableState.needReadable = true;
+
+ // we have implemented the _read method, and done the other things
+ // that Readable wants before the first _read call, so unset the
+ // sync guard flag.
+ this._readableState.sync = false;
+
+ if (options) {
+ if (typeof options.transform === 'function') this._transform = options.transform;
+
+ if (typeof options.flush === 'function') this._flush = options.flush;
+ }
+
+ // When the writable side finishes, then flush out anything remaining.
+ this.once('prefinish', function () {
+ if (typeof this._flush === 'function') this._flush(function (er, data) {
+ done(stream, er, data);
+ });else done(stream);
+ });
+}
+
+Transform.prototype.push = function (chunk, encoding) {
+ this._transformState.needTransform = false;
+ return Duplex.prototype.push.call(this, chunk, encoding);
+};
+
+// This is the part where you do stuff!
+// override this function in implementation classes.
+// 'chunk' is an input chunk.
+//
+// Call `push(newChunk)` to pass along transformed output
+// to the readable side. You may call 'push' zero or more times.
+//
+// Call `cb(err)` when you are done with this chunk. If you pass
+// an error, then that'll put the hurt on the whole operation. If you
+// never call cb(), then you'll never get another chunk.
+Transform.prototype._transform = function (chunk, encoding, cb) {
+ throw new Error('_transform() is not implemented');
+};
+
+Transform.prototype._write = function (chunk, encoding, cb) {
+ var ts = this._transformState;
+ ts.writecb = cb;
+ ts.writechunk = chunk;
+ ts.writeencoding = encoding;
+ if (!ts.transforming) {
+ var rs = this._readableState;
+ if (ts.needTransform || rs.needReadable || rs.length < rs.highWaterMark) this._read(rs.highWaterMark);
+ }
+};
+
+// Doesn't matter what the args are here.
+// _transform does all the work.
+// That we got here means that the readable side wants more data.
+Transform.prototype._read = function (n) {
+ var ts = this._transformState;
+
+ if (ts.writechunk !== null && ts.writecb && !ts.transforming) {
+ ts.transforming = true;
+ this._transform(ts.writechunk, ts.writeencoding, ts.afterTransform);
+ } else {
+ // mark that we need a transform, so that any data that comes in
+ // will get processed, now that we've asked for it.
+ ts.needTransform = true;
+ }
+};
+
+Transform.prototype._destroy = function (err, cb) {
+ var _this = this;
+
+ Duplex.prototype._destroy.call(this, err, function (err2) {
+ cb(err2);
+ _this.emit('close');
+ });
+};
+
+function done(stream, er, data) {
+ if (er) return stream.emit('error', er);
+
+ if (data !== null && data !== undefined) stream.push(data);
+
+ // if there's nothing in the write buffer, then that means
+ // that nothing more will ever be provided
+ var ws = stream._writableState;
+ var ts = stream._transformState;
+
+ if (ws.length) throw new Error('Calling transform done when ws.length != 0');
+
+ if (ts.transforming) throw new Error('Calling transform done when still transforming');
+
+ return stream.push(null);
+}
+},{"./_stream_duplex":363,"core-util-is":115,"inherits":279}],367:[function(require,module,exports){
+(function (process,global){
+// Copyright Joyent, Inc. and other Node contributors.
+//
+// Permission is hereby granted, free of charge, to any person obtaining a
+// copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to permit
+// persons to whom the Software is furnished to do so, subject to the
+// following conditions:
+//
+// The above copyright notice and this permission notice shall be included
+// in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
+// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+// USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+// A bit simpler than readable streams.
+// Implement an async ._write(chunk, encoding, cb), and it'll handle all
+// the drain event emission and buffering.
+
+'use strict';
+
+/**/
+
+var processNextTick = require('process-nextick-args');
+/**/
+
+module.exports = Writable;
+
+/* */
+function WriteReq(chunk, encoding, cb) {
+ this.chunk = chunk;
+ this.encoding = encoding;
+ this.callback = cb;
+ this.next = null;
+}
+
+// It seems a linked list but it is not
+// there will be only 2 of these for each stream
+function CorkedRequest(state) {
+ var _this = this;
+
+ this.next = null;
+ this.entry = null;
+ this.finish = function () {
+ onCorkedFinish(_this, state);
+ };
+}
+/* */
+
+/**/
+var asyncWrite = !process.browser && ['v0.10', 'v0.9.'].indexOf(process.version.slice(0, 5)) > -1 ? setImmediate : processNextTick;
+/**/
+
+/**/
+var Duplex;
+/**/
+
+Writable.WritableState = WritableState;
+
+/**/
+var util = require('core-util-is');
+util.inherits = require('inherits');
+/**/
+
+/**/
+var internalUtil = {
+ deprecate: require('util-deprecate')
+};
+/**/
+
+/**/
+var Stream = require('./internal/streams/stream');
+/**/
+
+/**/
+var Buffer = require('safe-buffer').Buffer;
+var OurUint8Array = global.Uint8Array || function () {};
+function _uint8ArrayToBuffer(chunk) {
+ return Buffer.from(chunk);
+}
+function _isUint8Array(obj) {
+ return Buffer.isBuffer(obj) || obj instanceof OurUint8Array;
+}
+/**/
+
+var destroyImpl = require('./internal/streams/destroy');
+
+util.inherits(Writable, Stream);
+
+function nop() {}
+
+function WritableState(options, stream) {
+ Duplex = Duplex || require('./_stream_duplex');
+
+ options = options || {};
+
+ // object stream flag to indicate whether or not this stream
+ // contains buffers or objects.
+ this.objectMode = !!options.objectMode;
+
+ if (stream instanceof Duplex) this.objectMode = this.objectMode || !!options.writableObjectMode;
+
+ // the point at which write() starts returning false
+ // Note: 0 is a valid value, means that we always return false if
+ // the entire buffer is not flushed immediately on write()
+ var hwm = options.highWaterMark;
+ var defaultHwm = this.objectMode ? 16 : 16 * 1024;
+ this.highWaterMark = hwm || hwm === 0 ? hwm : defaultHwm;
+
+ // cast to ints.
+ this.highWaterMark = Math.floor(this.highWaterMark);
+
+ // if _final has been called
+ this.finalCalled = false;
+
+ // drain event flag.
+ this.needDrain = false;
+ // at the start of calling end()
+ this.ending = false;
+ // when end() has been called, and returned
+ this.ended = false;
+ // when 'finish' is emitted
+ this.finished = false;
+
+ // has it been destroyed
+ this.destroyed = false;
+
+ // should we decode strings into buffers before passing to _write?
+ // this is here so that some node-core streams can optimize string
+ // handling at a lower level.
+ var noDecode = options.decodeStrings === false;
+ this.decodeStrings = !noDecode;
+
+ // Crypto is kind of old and crusty. Historically, its default string
+ // encoding is 'binary' so we have to make this configurable.
+ // Everything else in the universe uses 'utf8', though.
+ this.defaultEncoding = options.defaultEncoding || 'utf8';
+
+ // not an actual buffer we keep track of, but a measurement
+ // of how much we're waiting to get pushed to some underlying
+ // socket or file.
+ this.length = 0;
+
+ // a flag to see when we're in the middle of a write.
+ this.writing = false;
+
+ // when true all writes will be buffered until .uncork() call
+ this.corked = 0;
+
+ // a flag to be able to tell if the onwrite cb is called immediately,
+ // or on a later tick. We set this to true at first, because any
+ // actions that shouldn't happen until "later" should generally also
+ // not happen before the first write call.
+ this.sync = true;
+
+ // a flag to know if we're processing previously buffered items, which
+ // may call the _write() callback in the same tick, so that we don't
+ // end up in an overlapped onwrite situation.
+ this.bufferProcessing = false;
+
+ // the callback that's passed to _write(chunk,cb)
+ this.onwrite = function (er) {
+ onwrite(stream, er);
+ };
+
+ // the callback that the user supplies to write(chunk,encoding,cb)
+ this.writecb = null;
+
+ // the amount that is being written when _write is called.
+ this.writelen = 0;
+
+ this.bufferedRequest = null;
+ this.lastBufferedRequest = null;
+
+ // number of pending user-supplied write callbacks
+ // this must be 0 before 'finish' can be emitted
+ this.pendingcb = 0;
+
+ // emit prefinish if the only thing we're waiting for is _write cbs
+ // This is relevant for synchronous Transform streams
+ this.prefinished = false;
+
+ // True if the error was already emitted and should not be thrown again
+ this.errorEmitted = false;
+
+ // count buffered requests
+ this.bufferedRequestCount = 0;
+
+ // allocate the first CorkedRequest, there is always
+ // one allocated and free to use, and we maintain at most two
+ this.corkedRequestsFree = new CorkedRequest(this);
+}
+
+WritableState.prototype.getBuffer = function getBuffer() {
+ var current = this.bufferedRequest;
+ var out = [];
+ while (current) {
+ out.push(current);
+ current = current.next;
+ }
+ return out;
+};
+
+(function () {
+ try {
+ Object.defineProperty(WritableState.prototype, 'buffer', {
+ get: internalUtil.deprecate(function () {
+ return this.getBuffer();
+ }, '_writableState.buffer is deprecated. Use _writableState.getBuffer ' + 'instead.', 'DEP0003')
+ });
+ } catch (_) {}
+})();
+
+// Test _writableState for inheritance to account for Duplex streams,
+// whose prototype chain only points to Readable.
+var realHasInstance;
+if (typeof Symbol === 'function' && Symbol.hasInstance && typeof Function.prototype[Symbol.hasInstance] === 'function') {
+ realHasInstance = Function.prototype[Symbol.hasInstance];
+ Object.defineProperty(Writable, Symbol.hasInstance, {
+ value: function (object) {
+ if (realHasInstance.call(this, object)) return true;
+
+ return object && object._writableState instanceof WritableState;
+ }
+ });
+} else {
+ realHasInstance = function (object) {
+ return object instanceof this;
+ };
+}
+
+function Writable(options) {
+ Duplex = Duplex || require('./_stream_duplex');
+
+ // Writable ctor is applied to Duplexes, too.
+ // `realHasInstance` is necessary because using plain `instanceof`
+ // would return false, as no `_writableState` property is attached.
+
+ // Trying to use the custom `instanceof` for Writable here will also break the
+ // Node.js LazyTransform implementation, which has a non-trivial getter for
+ // `_writableState` that would lead to infinite recursion.
+ if (!realHasInstance.call(Writable, this) && !(this instanceof Duplex)) {
+ return new Writable(options);
+ }
+
+ this._writableState = new WritableState(options, this);
+
+ // legacy.
+ this.writable = true;
+
+ if (options) {
+ if (typeof options.write === 'function') this._write = options.write;
+
+ if (typeof options.writev === 'function') this._writev = options.writev;
+
+ if (typeof options.destroy === 'function') this._destroy = options.destroy;
+
+ if (typeof options.final === 'function') this._final = options.final;
+ }
+
+ Stream.call(this);
+}
+
+// Otherwise people can pipe Writable streams, which is just wrong.
+Writable.prototype.pipe = function () {
+ this.emit('error', new Error('Cannot pipe, not readable'));
+};
+
+function writeAfterEnd(stream, cb) {
+ var er = new Error('write after end');
+ // TODO: defer error events consistently everywhere, not just the cb
+ stream.emit('error', er);
+ processNextTick(cb, er);
+}
+
+// Checks that a user-supplied chunk is valid, especially for the particular
+// mode the stream is in. Currently this means that `null` is never accepted
+// and undefined/non-string values are only allowed in object mode.
+function validChunk(stream, state, chunk, cb) {
+ var valid = true;
+ var er = false;
+
+ if (chunk === null) {
+ er = new TypeError('May not write null values to stream');
+ } else if (typeof chunk !== 'string' && chunk !== undefined && !state.objectMode) {
+ er = new TypeError('Invalid non-string/buffer chunk');
+ }
+ if (er) {
+ stream.emit('error', er);
+ processNextTick(cb, er);
+ valid = false;
+ }
+ return valid;
+}
+
+Writable.prototype.write = function (chunk, encoding, cb) {
+ var state = this._writableState;
+ var ret = false;
+ var isBuf = _isUint8Array(chunk) && !state.objectMode;
+
+ if (isBuf && !Buffer.isBuffer(chunk)) {
+ chunk = _uint8ArrayToBuffer(chunk);
+ }
+
+ if (typeof encoding === 'function') {
+ cb = encoding;
+ encoding = null;
+ }
+
+ if (isBuf) encoding = 'buffer';else if (!encoding) encoding = state.defaultEncoding;
+
+ if (typeof cb !== 'function') cb = nop;
+
+ if (state.ended) writeAfterEnd(this, cb);else if (isBuf || validChunk(this, state, chunk, cb)) {
+ state.pendingcb++;
+ ret = writeOrBuffer(this, state, isBuf, chunk, encoding, cb);
+ }
+
+ return ret;
+};
+
+Writable.prototype.cork = function () {
+ var state = this._writableState;
+
+ state.corked++;
+};
+
+Writable.prototype.uncork = function () {
+ var state = this._writableState;
+
+ if (state.corked) {
+ state.corked--;
+
+ if (!state.writing && !state.corked && !state.finished && !state.bufferProcessing && state.bufferedRequest) clearBuffer(this, state);
+ }
+};
+
+Writable.prototype.setDefaultEncoding = function setDefaultEncoding(encoding) {
+ // node::ParseEncoding() requires lower case.
+ if (typeof encoding === 'string') encoding = encoding.toLowerCase();
+ if (!(['hex', 'utf8', 'utf-8', 'ascii', 'binary', 'base64', 'ucs2', 'ucs-2', 'utf16le', 'utf-16le', 'raw'].indexOf((encoding + '').toLowerCase()) > -1)) throw new TypeError('Unknown encoding: ' + encoding);
+ this._writableState.defaultEncoding = encoding;
+ return this;
+};
+
+function decodeChunk(state, chunk, encoding) {
+ if (!state.objectMode && state.decodeStrings !== false && typeof chunk === 'string') {
+ chunk = Buffer.from(chunk, encoding);
+ }
+ return chunk;
+}
+
+// if we're already writing something, then just put this
+// in the queue, and wait our turn. Otherwise, call _write
+// If we return false, then we need a drain event, so set that flag.
+function writeOrBuffer(stream, state, isBuf, chunk, encoding, cb) {
+ if (!isBuf) {
+ var newChunk = decodeChunk(state, chunk, encoding);
+ if (chunk !== newChunk) {
+ isBuf = true;
+ encoding = 'buffer';
+ chunk = newChunk;
+ }
+ }
+ var len = state.objectMode ? 1 : chunk.length;
+
+ state.length += len;
+
+ var ret = state.length < state.highWaterMark;
+ // we must ensure that previous needDrain will not be reset to false.
+ if (!ret) state.needDrain = true;
+
+ if (state.writing || state.corked) {
+ var last = state.lastBufferedRequest;
+ state.lastBufferedRequest = {
+ chunk: chunk,
+ encoding: encoding,
+ isBuf: isBuf,
+ callback: cb,
+ next: null
+ };
+ if (last) {
+ last.next = state.lastBufferedRequest;
+ } else {
+ state.bufferedRequest = state.lastBufferedRequest;
+ }
+ state.bufferedRequestCount += 1;
+ } else {
+ doWrite(stream, state, false, len, chunk, encoding, cb);
+ }
+
+ return ret;
+}
+
+function doWrite(stream, state, writev, len, chunk, encoding, cb) {
+ state.writelen = len;
+ state.writecb = cb;
+ state.writing = true;
+ state.sync = true;
+ if (writev) stream._writev(chunk, state.onwrite);else stream._write(chunk, encoding, state.onwrite);
+ state.sync = false;
+}
+
+function onwriteError(stream, state, sync, er, cb) {
+ --state.pendingcb;
+
+ if (sync) {
+ // defer the callback if we are being called synchronously
+ // to avoid piling up things on the stack
+ processNextTick(cb, er);
+ // this can emit finish, and it will always happen
+ // after error
+ processNextTick(finishMaybe, stream, state);
+ stream._writableState.errorEmitted = true;
+ stream.emit('error', er);
+ } else {
+ // the caller expect this to happen before if
+ // it is async
+ cb(er);
+ stream._writableState.errorEmitted = true;
+ stream.emit('error', er);
+ // this can emit finish, but finish must
+ // always follow error
+ finishMaybe(stream, state);
+ }
+}
+
+function onwriteStateUpdate(state) {
+ state.writing = false;
+ state.writecb = null;
+ state.length -= state.writelen;
+ state.writelen = 0;
+}
+
+function onwrite(stream, er) {
+ var state = stream._writableState;
+ var sync = state.sync;
+ var cb = state.writecb;
+
+ onwriteStateUpdate(state);
+
+ if (er) onwriteError(stream, state, sync, er, cb);else {
+ // Check if we're actually ready to finish, but don't emit yet
+ var finished = needFinish(state);
+
+ if (!finished && !state.corked && !state.bufferProcessing && state.bufferedRequest) {
+ clearBuffer(stream, state);
+ }
+
+ if (sync) {
+ /**/
+ asyncWrite(afterWrite, stream, state, finished, cb);
+ /**/
+ } else {
+ afterWrite(stream, state, finished, cb);
+ }
+ }
+}
+
+function afterWrite(stream, state, finished, cb) {
+ if (!finished) onwriteDrain(stream, state);
+ state.pendingcb--;
+ cb();
+ finishMaybe(stream, state);
+}
+
+// Must force callback to be called on nextTick, so that we don't
+// emit 'drain' before the write() consumer gets the 'false' return
+// value, and has a chance to attach a 'drain' listener.
+function onwriteDrain(stream, state) {
+ if (state.length === 0 && state.needDrain) {
+ state.needDrain = false;
+ stream.emit('drain');
+ }
+}
+
+// if there's something in the buffer waiting, then process it
+function clearBuffer(stream, state) {
+ state.bufferProcessing = true;
+ var entry = state.bufferedRequest;
+
+ if (stream._writev && entry && entry.next) {
+ // Fast case, write everything using _writev()
+ var l = state.bufferedRequestCount;
+ var buffer = new Array(l);
+ var holder = state.corkedRequestsFree;
+ holder.entry = entry;
+
+ var count = 0;
+ var allBuffers = true;
+ while (entry) {
+ buffer[count] = entry;
+ if (!entry.isBuf) allBuffers = false;
+ entry = entry.next;
+ count += 1;
+ }
+ buffer.allBuffers = allBuffers;
+
+ doWrite(stream, state, true, state.length, buffer, '', holder.finish);
+
+ // doWrite is almost always async, defer these to save a bit of time
+ // as the hot path ends with doWrite
+ state.pendingcb++;
+ state.lastBufferedRequest = null;
+ if (holder.next) {
+ state.corkedRequestsFree = holder.next;
+ holder.next = null;
+ } else {
+ state.corkedRequestsFree = new CorkedRequest(state);
+ }
+ } else {
+ // Slow case, write chunks one-by-one
+ while (entry) {
+ var chunk = entry.chunk;
+ var encoding = entry.encoding;
+ var cb = entry.callback;
+ var len = state.objectMode ? 1 : chunk.length;
+
+ doWrite(stream, state, false, len, chunk, encoding, cb);
+ entry = entry.next;
+ // if we didn't call the onwrite immediately, then
+ // it means that we need to wait until it does.
+ // also, that means that the chunk and cb are currently
+ // being processed, so move the buffer counter past them.
+ if (state.writing) {
+ break;
+ }
+ }
+
+ if (entry === null) state.lastBufferedRequest = null;
+ }
+
+ state.bufferedRequestCount = 0;
+ state.bufferedRequest = entry;
+ state.bufferProcessing = false;
+}
+
+Writable.prototype._write = function (chunk, encoding, cb) {
+ cb(new Error('_write() is not implemented'));
+};
+
+Writable.prototype._writev = null;
+
+Writable.prototype.end = function (chunk, encoding, cb) {
+ var state = this._writableState;
+
+ if (typeof chunk === 'function') {
+ cb = chunk;
+ chunk = null;
+ encoding = null;
+ } else if (typeof encoding === 'function') {
+ cb = encoding;
+ encoding = null;
+ }
+
+ if (chunk !== null && chunk !== undefined) this.write(chunk, encoding);
+
+ // .end() fully uncorks
+ if (state.corked) {
+ state.corked = 1;
+ this.uncork();
+ }
+
+ // ignore unnecessary end() calls.
+ if (!state.ending && !state.finished) endWritable(this, state, cb);
+};
+
+function needFinish(state) {
+ return state.ending && state.length === 0 && state.bufferedRequest === null && !state.finished && !state.writing;
+}
+function callFinal(stream, state) {
+ stream._final(function (err) {
+ state.pendingcb--;
+ if (err) {
+ stream.emit('error', err);
+ }
+ state.prefinished = true;
+ stream.emit('prefinish');
+ finishMaybe(stream, state);
+ });
+}
+function prefinish(stream, state) {
+ if (!state.prefinished && !state.finalCalled) {
+ if (typeof stream._final === 'function') {
+ state.pendingcb++;
+ state.finalCalled = true;
+ processNextTick(callFinal, stream, state);
+ } else {
+ state.prefinished = true;
+ stream.emit('prefinish');
+ }
+ }
+}
+
+function finishMaybe(stream, state) {
+ var need = needFinish(state);
+ if (need) {
+ prefinish(stream, state);
+ if (state.pendingcb === 0) {
+ state.finished = true;
+ stream.emit('finish');
+ }
+ }
+ return need;
+}
+
+function endWritable(stream, state, cb) {
+ state.ending = true;
+ finishMaybe(stream, state);
+ if (cb) {
+ if (state.finished) processNextTick(cb);else stream.once('finish', cb);
+ }
+ state.ended = true;
+ stream.writable = false;
+}
+
+function onCorkedFinish(corkReq, state, err) {
+ var entry = corkReq.entry;
+ corkReq.entry = null;
+ while (entry) {
+ var cb = entry.callback;
+ state.pendingcb--;
+ cb(err);
+ entry = entry.next;
+ }
+ if (state.corkedRequestsFree) {
+ state.corkedRequestsFree.next = corkReq;
+ } else {
+ state.corkedRequestsFree = corkReq;
+ }
+}
+
+Object.defineProperty(Writable.prototype, 'destroyed', {
+ get: function () {
+ if (this._writableState === undefined) {
+ return false;
+ }
+ return this._writableState.destroyed;
+ },
+ set: function (value) {
+ // we ignore the value if the stream
+ // has not been initialized yet
+ if (!this._writableState) {
+ return;
+ }
+
+ // backward compatibility, the user is explicitly
+ // managing destroyed
+ this._writableState.destroyed = value;
+ }
+});
+
+Writable.prototype.destroy = destroyImpl.destroy;
+Writable.prototype._undestroy = destroyImpl.undestroy;
+Writable.prototype._destroy = function (err, cb) {
+ this.end();
+ cb(err);
+};
+}).call(this,require('_process'),typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
+},{"./_stream_duplex":363,"./internal/streams/destroy":369,"./internal/streams/stream":370,"_process":345,"core-util-is":115,"inherits":279,"process-nextick-args":344,"safe-buffer":393,"util-deprecate":841}],368:[function(require,module,exports){
+'use strict';
+
+/**/
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+var Buffer = require('safe-buffer').Buffer;
+/**/
+
+function copyBuffer(src, target, offset) {
+ src.copy(target, offset);
+}
+
+module.exports = function () {
+ function BufferList() {
+ _classCallCheck(this, BufferList);
+
+ this.head = null;
+ this.tail = null;
+ this.length = 0;
+ }
+
+ BufferList.prototype.push = function push(v) {
+ var entry = { data: v, next: null };
+ if (this.length > 0) this.tail.next = entry;else this.head = entry;
+ this.tail = entry;
+ ++this.length;
+ };
+
+ BufferList.prototype.unshift = function unshift(v) {
+ var entry = { data: v, next: this.head };
+ if (this.length === 0) this.tail = entry;
+ this.head = entry;
+ ++this.length;
+ };
+
+ BufferList.prototype.shift = function shift() {
+ if (this.length === 0) return;
+ var ret = this.head.data;
+ if (this.length === 1) this.head = this.tail = null;else this.head = this.head.next;
+ --this.length;
+ return ret;
+ };
+
+ BufferList.prototype.clear = function clear() {
+ this.head = this.tail = null;
+ this.length = 0;
+ };
+
+ BufferList.prototype.join = function join(s) {
+ if (this.length === 0) return '';
+ var p = this.head;
+ var ret = '' + p.data;
+ while (p = p.next) {
+ ret += s + p.data;
+ }return ret;
+ };
+
+ BufferList.prototype.concat = function concat(n) {
+ if (this.length === 0) return Buffer.alloc(0);
+ if (this.length === 1) return this.head.data;
+ var ret = Buffer.allocUnsafe(n >>> 0);
+ var p = this.head;
+ var i = 0;
+ while (p) {
+ copyBuffer(p.data, ret, i);
+ i += p.data.length;
+ p = p.next;
+ }
+ return ret;
+ };
+
+ return BufferList;
+}();
+},{"safe-buffer":393}],369:[function(require,module,exports){
+'use strict';
+
+/**/
+
+var processNextTick = require('process-nextick-args');
+/**/
+
+// undocumented cb() API, needed for core, not for public API
+function destroy(err, cb) {
+ var _this = this;
+
+ var readableDestroyed = this._readableState && this._readableState.destroyed;
+ var writableDestroyed = this._writableState && this._writableState.destroyed;
+
+ if (readableDestroyed || writableDestroyed) {
+ if (cb) {
+ cb(err);
+ } else if (err && (!this._writableState || !this._writableState.errorEmitted)) {
+ processNextTick(emitErrorNT, this, err);
+ }
+ return;
+ }
+
+ // we set destroyed to true before firing error callbacks in order
+ // to make it re-entrance safe in case destroy() is called within callbacks
+
+ if (this._readableState) {
+ this._readableState.destroyed = true;
+ }
+
+ // if this is a duplex stream mark the writable part as destroyed as well
+ if (this._writableState) {
+ this._writableState.destroyed = true;
+ }
+
+ this._destroy(err || null, function (err) {
+ if (!cb && err) {
+ processNextTick(emitErrorNT, _this, err);
+ if (_this._writableState) {
+ _this._writableState.errorEmitted = true;
+ }
+ } else if (cb) {
+ cb(err);
+ }
+ });
+}
+
+function undestroy() {
+ if (this._readableState) {
+ this._readableState.destroyed = false;
+ this._readableState.reading = false;
+ this._readableState.ended = false;
+ this._readableState.endEmitted = false;
+ }
+
+ if (this._writableState) {
+ this._writableState.destroyed = false;
+ this._writableState.ended = false;
+ this._writableState.ending = false;
+ this._writableState.finished = false;
+ this._writableState.errorEmitted = false;
+ }
+}
+
+function emitErrorNT(self, err) {
+ self.emit('error', err);
+}
+
+module.exports = {
+ destroy: destroy,
+ undestroy: undestroy
+};
+},{"process-nextick-args":344}],370:[function(require,module,exports){
+module.exports = require('events').EventEmitter;
+
+},{"events":200}],371:[function(require,module,exports){
+module.exports = require('./readable').PassThrough
+
+},{"./readable":372}],372:[function(require,module,exports){
+exports = module.exports = require('./lib/_stream_readable.js');
+exports.Stream = exports;
+exports.Readable = exports;
+exports.Writable = require('./lib/_stream_writable.js');
+exports.Duplex = require('./lib/_stream_duplex.js');
+exports.Transform = require('./lib/_stream_transform.js');
+exports.PassThrough = require('./lib/_stream_passthrough.js');
+
+},{"./lib/_stream_duplex.js":363,"./lib/_stream_passthrough.js":364,"./lib/_stream_readable.js":365,"./lib/_stream_transform.js":366,"./lib/_stream_writable.js":367}],373:[function(require,module,exports){
+module.exports = require('./readable').Transform
+
+},{"./readable":372}],374:[function(require,module,exports){
+module.exports = require('./lib/_stream_writable.js');
+
+},{"./lib/_stream_writable.js":367}],375:[function(require,module,exports){
+'use strict';
+
+var core = require('../'),
+ isArray = require('lodash/isArray'),
+ isFunction = require('lodash/isFunction'),
+ isObjectLike = require('lodash/isObjectLike');
+
+
+module.exports = function (options) {
+
+ var errorText = 'Please verify options'; // For better minification because this string is repeating
+
+ if (!isObjectLike(options)) {
+ throw new TypeError(errorText);
+ }
+
+ if (!isFunction(options.request)) {
+ throw new TypeError(errorText + '.request');
+ }
+
+ if (!isArray(options.expose) || options.expose.length === 0) {
+ throw new TypeError(errorText + '.expose');
+ }
+
+
+ var plumbing = core({
+ PromiseImpl: options.PromiseImpl,
+ constructorMixin: options.constructorMixin
+ });
+
+
+ // Intercepting Request's init method
+
+ var originalInit = options.request.Request.prototype.init;
+
+ options.request.Request.prototype.init = function RP$initInterceptor(requestOptions) {
+
+ // Init may be called again - currently in case of redirects
+ if (isObjectLike(requestOptions) && !this._callback && !this._rp_promise) {
+
+ plumbing.init.call(this, requestOptions);
+
+ }
+
+ return originalInit.apply(this, arguments);
+
+ };
+
+
+ // Exposing the Promise capabilities
+
+ var thenExposed = false;
+ for ( var i = 0; i < options.expose.length; i+=1 ) {
+
+ var method = options.expose[i];
+
+ plumbing[ method === 'promise' ? 'exposePromise' : 'exposePromiseMethod' ](
+ options.request.Request.prototype,
+ null,
+ '_rp_promise',
+ method
+ );
+
+ if (method === 'then') {
+ thenExposed = true;
+ }
+
+ }
+
+ if (!thenExposed) {
+ throw new Error('Please expose "then"');
+ }
+
+};
+
+},{"../":377,"lodash/isArray":298,"lodash/isFunction":299,"lodash/isObjectLike":301}],376:[function(require,module,exports){
+'use strict';
+
+
+function RequestError(cause, options, response) {
+
+ this.name = 'RequestError';
+ this.message = String(cause);
+ this.cause = cause;
+ this.error = cause; // legacy attribute
+ this.options = options;
+ this.response = response;
+
+ if (Error.captureStackTrace) { // required for non-V8 environments
+ Error.captureStackTrace(this);
+ }
+
+}
+RequestError.prototype = Object.create(Error.prototype);
+RequestError.prototype.constructor = RequestError;
+
+
+function StatusCodeError(statusCode, body, options, response) {
+
+ this.name = 'StatusCodeError';
+ this.statusCode = statusCode;
+ this.message = statusCode + ' - ' + (JSON && JSON.stringify ? JSON.stringify(body) : body);
+ this.error = body; // legacy attribute
+ this.options = options;
+ this.response = response;
+
+ if (Error.captureStackTrace) { // required for non-V8 environments
+ Error.captureStackTrace(this);
+ }
+
+}
+StatusCodeError.prototype = Object.create(Error.prototype);
+StatusCodeError.prototype.constructor = StatusCodeError;
+
+
+function TransformError(cause, options, response) {
+
+ this.name = 'TransformError';
+ this.message = String(cause);
+ this.cause = cause;
+ this.error = cause; // legacy attribute
+ this.options = options;
+ this.response = response;
+
+ if (Error.captureStackTrace) { // required for non-V8 environments
+ Error.captureStackTrace(this);
+ }
+
+}
+TransformError.prototype = Object.create(Error.prototype);
+TransformError.prototype.constructor = TransformError;
+
+
+module.exports = {
+ RequestError: RequestError,
+ StatusCodeError: StatusCodeError,
+ TransformError: TransformError
+};
+
+},{}],377:[function(require,module,exports){
+'use strict';
+
+var errors = require('./errors.js'),
+ isFunction = require('lodash/isFunction'),
+ isObjectLike = require('lodash/isObjectLike'),
+ isString = require('lodash/isString'),
+ isUndefined = require('lodash/isUndefined');
+
+
+module.exports = function (options) {
+
+ var errorText = 'Please verify options'; // For better minification because this string is repeating
+
+ if (!isObjectLike(options)) {
+ throw new TypeError(errorText);
+ }
+
+ if (!isFunction(options.PromiseImpl)) {
+ throw new TypeError(errorText + '.PromiseImpl');
+ }
+
+ if (!isUndefined(options.constructorMixin) && !isFunction(options.constructorMixin)) {
+ throw new TypeError(errorText + '.PromiseImpl');
+ }
+
+ var PromiseImpl = options.PromiseImpl;
+ var constructorMixin = options.constructorMixin;
+
+
+ var plumbing = {};
+
+ plumbing.init = function (requestOptions) {
+
+ var self = this;
+
+ self._rp_promise = new PromiseImpl(function (resolve, reject) {
+ self._rp_resolve = resolve;
+ self._rp_reject = reject;
+ if (constructorMixin) {
+ constructorMixin.apply(self, arguments); // Using arguments since specific Promise libraries may pass additional parameters
+ }
+ });
+
+ self._rp_callbackOrig = requestOptions.callback;
+ requestOptions.callback = self.callback = function RP$callback(err, response, body) {
+ plumbing.callback.call(self, err, response, body);
+ };
+
+ if (isString(requestOptions.method)) {
+ requestOptions.method = requestOptions.method.toUpperCase();
+ }
+
+ requestOptions.transform = requestOptions.transform || plumbing.defaultTransformations[requestOptions.method];
+
+ self._rp_options = requestOptions;
+ self._rp_options.simple = requestOptions.simple !== false;
+ self._rp_options.resolveWithFullResponse = requestOptions.resolveWithFullResponse === true;
+ self._rp_options.transform2xxOnly = requestOptions.transform2xxOnly === true;
+
+ };
+
+ plumbing.defaultTransformations = {
+ HEAD: function (body, response, resolveWithFullResponse) {
+ return resolveWithFullResponse ? response : response.headers;
+ }
+ };
+
+ plumbing.callback = function (err, response, body) {
+
+ var self = this;
+
+ var origCallbackThrewException = false, thrownException = null;
+
+ if (isFunction(self._rp_callbackOrig)) {
+ try {
+ self._rp_callbackOrig.apply(self, arguments); // TODO: Apply to self mimics behavior of request@2. Is that also right for request@next?
+ } catch (e) {
+ origCallbackThrewException = true;
+ thrownException = e;
+ }
+ }
+
+ var is2xx = !err && /^2/.test('' + response.statusCode);
+
+ if (err) {
+
+ self._rp_reject(new errors.RequestError(err, self._rp_options, response));
+
+ } else if (self._rp_options.simple && !is2xx) {
+
+ if (isFunction(self._rp_options.transform) && self._rp_options.transform2xxOnly === false) {
+
+ (new PromiseImpl(function (resolve) {
+ resolve(self._rp_options.transform(body, response, self._rp_options.resolveWithFullResponse)); // transform may return a Promise
+ }))
+ .then(function (transformedResponse) {
+ self._rp_reject(new errors.StatusCodeError(response.statusCode, body, self._rp_options, transformedResponse));
+ })
+ .catch(function (transformErr) {
+ self._rp_reject(new errors.TransformError(transformErr, self._rp_options, response));
+ });
+
+ } else {
+ self._rp_reject(new errors.StatusCodeError(response.statusCode, body, self._rp_options, response));
+ }
+
+ } else {
+
+ if (isFunction(self._rp_options.transform) && (is2xx || self._rp_options.transform2xxOnly === false)) {
+
+ (new PromiseImpl(function (resolve) {
+ resolve(self._rp_options.transform(body, response, self._rp_options.resolveWithFullResponse)); // transform may return a Promise
+ }))
+ .then(function (transformedResponse) {
+ self._rp_resolve(transformedResponse);
+ })
+ .catch(function (transformErr) {
+ self._rp_reject(new errors.TransformError(transformErr, self._rp_options, response));
+ });
+
+ } else if (self._rp_options.resolveWithFullResponse) {
+ self._rp_resolve(response);
+ } else {
+ self._rp_resolve(body);
+ }
+
+ }
+
+ if (origCallbackThrewException) {
+ throw thrownException;
+ }
+
+ };
+
+ plumbing.exposePromiseMethod = function (exposeTo, bindTo, promisePropertyKey, methodToExpose, exposeAs) {
+
+ exposeAs = exposeAs || methodToExpose;
+
+ if (exposeAs in exposeTo) {
+ throw new Error('Unable to expose method "' + exposeAs + '"');
+ }
+
+ exposeTo[exposeAs] = function RP$exposed() {
+ var self = bindTo || this;
+ return self[promisePropertyKey][methodToExpose].apply(self[promisePropertyKey], arguments);
+ };
+
+ };
+
+ plumbing.exposePromise = function (exposeTo, bindTo, promisePropertyKey, exposeAs) {
+
+ exposeAs = exposeAs || 'promise';
+
+ if (exposeAs in exposeTo) {
+ throw new Error('Unable to expose method "' + exposeAs + '"');
+ }
+
+ exposeTo[exposeAs] = function RP$promise() {
+ var self = bindTo || this;
+ return self[promisePropertyKey];
+ };
+
+ };
+
+ return plumbing;
+
+};
+
+},{"./errors.js":376,"lodash/isFunction":299,"lodash/isObjectLike":301,"lodash/isString":302,"lodash/isUndefined":303}],378:[function(require,module,exports){
+'use strict';
+
+var configure = require('request-promise-core/configure/request2'),
+ stealthyRequire = require('stealthy-require');
+
+// Load Request freshly - so that users can require an unaltered request instance!
+var request = stealthyRequire(require.cache, function () {
+ return require('request');
+},
+function () {
+ require('tough-cookie');
+}, module);
+
+
+configure({
+ request: request,
+ PromiseImpl: Promise,
+ expose: [
+ 'then',
+ 'catch',
+ 'promise'
+ ]
+});
+
+
+module.exports = request;
+
+},{"request":379,"request-promise-core/configure/request2":375,"stealthy-require":437,"tough-cookie":459}],379:[function(require,module,exports){
+// Copyright 2010-2012 Mikeal Rogers
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+'use strict'
+
+var extend = require('extend')
+var cookies = require('./lib/cookies')
+var helpers = require('./lib/helpers')
+
+var paramsHaveRequestBody = helpers.paramsHaveRequestBody
+
+// organize params for patch, post, put, head, del
+function initParams (uri, options, callback) {
+ if (typeof options === 'function') {
+ callback = options
+ }
+
+ var params = {}
+ if (typeof options === 'object') {
+ extend(params, options, {uri: uri})
+ } else if (typeof uri === 'string') {
+ extend(params, {uri: uri})
+ } else {
+ extend(params, uri)
+ }
+
+ params.callback = callback || params.callback
+ return params
+}
+
+function request (uri, options, callback) {
+ if (typeof uri === 'undefined') {
+ throw new Error('undefined is not a valid uri or options object.')
+ }
+
+ var params = initParams(uri, options, callback)
+
+ if (params.method === 'HEAD' && paramsHaveRequestBody(params)) {
+ throw new Error('HTTP HEAD requests MUST NOT include a request body.')
+ }
+
+ return new request.Request(params)
+}
+
+function verbFunc (verb) {
+ var method = verb.toUpperCase()
+ return function (uri, options, callback) {
+ var params = initParams(uri, options, callback)
+ params.method = method
+ return request(params, params.callback)
+ }
+}
+
+// define like this to please codeintel/intellisense IDEs
+request.get = verbFunc('get')
+request.head = verbFunc('head')
+request.options = verbFunc('options')
+request.post = verbFunc('post')
+request.put = verbFunc('put')
+request.patch = verbFunc('patch')
+request.del = verbFunc('delete')
+request['delete'] = verbFunc('delete')
+
+request.jar = function (store) {
+ return cookies.jar(store)
+}
+
+request.cookie = function (str) {
+ return cookies.parse(str)
+}
+
+function wrapRequestMethod (method, options, requester, verb) {
+ return function (uri, opts, callback) {
+ var params = initParams(uri, opts, callback)
+
+ var target = {}
+ extend(true, target, options, params)
+
+ target.pool = params.pool || options.pool
+
+ if (verb) {
+ target.method = verb.toUpperCase()
+ }
+
+ if (typeof requester === 'function') {
+ method = requester
+ }
+
+ return method(target, target.callback)
+ }
+}
+
+request.defaults = function (options, requester) {
+ var self = this
+
+ options = options || {}
+
+ if (typeof options === 'function') {
+ requester = options
+ options = {}
+ }
+
+ var defaults = wrapRequestMethod(self, options, requester)
+
+ var verbs = ['get', 'head', 'post', 'put', 'patch', 'del', 'delete']
+ verbs.forEach(function (verb) {
+ defaults[verb] = wrapRequestMethod(self[verb], options, requester, verb)
+ })
+
+ defaults.cookie = wrapRequestMethod(self.cookie, options, requester)
+ defaults.jar = self.jar
+ defaults.defaults = self.defaults
+ return defaults
+}
+
+request.forever = function (agentOptions, optionsArg) {
+ var options = {}
+ if (optionsArg) {
+ extend(options, optionsArg)
+ }
+ if (agentOptions) {
+ options.agentOptions = agentOptions
+ }
+
+ options.forever = true
+ return request.defaults(options)
+}
+
+// Exports
+
+module.exports = request
+request.Request = require('./request')
+request.initParams = initParams
+
+// Backwards compatibility for request.debug
+Object.defineProperty(request, 'debug', {
+ enumerable: true,
+ get: function () {
+ return request.Request.debug
+ },
+ set: function (debug) {
+ request.Request.debug = debug
+ }
+})
+
+},{"./lib/cookies":381,"./lib/helpers":384,"./request":390,"extend":202}],380:[function(require,module,exports){
+'use strict'
+
+var caseless = require('caseless')
+var uuid = require('uuid')
+var helpers = require('./helpers')
+
+var md5 = helpers.md5
+var toBase64 = helpers.toBase64
+
+function Auth (request) {
+ // define all public properties here
+ this.request = request
+ this.hasAuth = false
+ this.sentAuth = false
+ this.bearerToken = null
+ this.user = null
+ this.pass = null
+}
+
+Auth.prototype.basic = function (user, pass, sendImmediately) {
+ var self = this
+ if (typeof user !== 'string' || (pass !== undefined && typeof pass !== 'string')) {
+ self.request.emit('error', new Error('auth() received invalid user or password'))
+ }
+ self.user = user
+ self.pass = pass
+ self.hasAuth = true
+ var header = user + ':' + (pass || '')
+ if (sendImmediately || typeof sendImmediately === 'undefined') {
+ var authHeader = 'Basic ' + toBase64(header)
+ self.sentAuth = true
+ return authHeader
+ }
+}
+
+Auth.prototype.bearer = function (bearer, sendImmediately) {
+ var self = this
+ self.bearerToken = bearer
+ self.hasAuth = true
+ if (sendImmediately || typeof sendImmediately === 'undefined') {
+ if (typeof bearer === 'function') {
+ bearer = bearer()
+ }
+ var authHeader = 'Bearer ' + (bearer || '')
+ self.sentAuth = true
+ return authHeader
+ }
+}
+
+Auth.prototype.digest = function (method, path, authHeader) {
+ // TODO: More complete implementation of RFC 2617.
+ // - handle challenge.domain
+ // - support qop="auth-int" only
+ // - handle Authentication-Info (not necessarily?)
+ // - check challenge.stale (not necessarily?)
+ // - increase nc (not necessarily?)
+ // For reference:
+ // http://tools.ietf.org/html/rfc2617#section-3
+ // https://github.com/bagder/curl/blob/master/lib/http_digest.c
+
+ var self = this
+
+ var challenge = {}
+ var re = /([a-z0-9_-]+)=(?:"([^"]+)"|([a-z0-9_-]+))/gi
+ for (;;) {
+ var match = re.exec(authHeader)
+ if (!match) {
+ break
+ }
+ challenge[match[1]] = match[2] || match[3]
+ }
+
+ /**
+ * RFC 2617: handle both MD5 and MD5-sess algorithms.
+ *
+ * If the algorithm directive's value is "MD5" or unspecified, then HA1 is
+ * HA1=MD5(username:realm:password)
+ * If the algorithm directive's value is "MD5-sess", then HA1 is
+ * HA1=MD5(MD5(username:realm:password):nonce:cnonce)
+ */
+ var ha1Compute = function (algorithm, user, realm, pass, nonce, cnonce) {
+ var ha1 = md5(user + ':' + realm + ':' + pass)
+ if (algorithm && algorithm.toLowerCase() === 'md5-sess') {
+ return md5(ha1 + ':' + nonce + ':' + cnonce)
+ } else {
+ return ha1
+ }
+ }
+
+ var qop = /(^|,)\s*auth\s*($|,)/.test(challenge.qop) && 'auth'
+ var nc = qop && '00000001'
+ var cnonce = qop && uuid().replace(/-/g, '')
+ var ha1 = ha1Compute(challenge.algorithm, self.user, challenge.realm, self.pass, challenge.nonce, cnonce)
+ var ha2 = md5(method + ':' + path)
+ var digestResponse = qop
+ ? md5(ha1 + ':' + challenge.nonce + ':' + nc + ':' + cnonce + ':' + qop + ':' + ha2)
+ : md5(ha1 + ':' + challenge.nonce + ':' + ha2)
+ var authValues = {
+ username: self.user,
+ realm: challenge.realm,
+ nonce: challenge.nonce,
+ uri: path,
+ qop: qop,
+ response: digestResponse,
+ nc: nc,
+ cnonce: cnonce,
+ algorithm: challenge.algorithm,
+ opaque: challenge.opaque
+ }
+
+ authHeader = []
+ for (var k in authValues) {
+ if (authValues[k]) {
+ if (k === 'qop' || k === 'nc' || k === 'algorithm') {
+ authHeader.push(k + '=' + authValues[k])
+ } else {
+ authHeader.push(k + '="' + authValues[k] + '"')
+ }
+ }
+ }
+ authHeader = 'Digest ' + authHeader.join(', ')
+ self.sentAuth = true
+ return authHeader
+}
+
+Auth.prototype.onRequest = function (user, pass, sendImmediately, bearer) {
+ var self = this
+ var request = self.request
+
+ var authHeader
+ if (bearer === undefined && user === undefined) {
+ self.request.emit('error', new Error('no auth mechanism defined'))
+ } else if (bearer !== undefined) {
+ authHeader = self.bearer(bearer, sendImmediately)
+ } else {
+ authHeader = self.basic(user, pass, sendImmediately)
+ }
+ if (authHeader) {
+ request.setHeader('authorization', authHeader)
+ }
+}
+
+Auth.prototype.onResponse = function (response) {
+ var self = this
+ var request = self.request
+
+ if (!self.hasAuth || self.sentAuth) { return null }
+
+ var c = caseless(response.headers)
+
+ var authHeader = c.get('www-authenticate')
+ var authVerb = authHeader && authHeader.split(' ')[0].toLowerCase()
+ request.debug('reauth', authVerb)
+
+ switch (authVerb) {
+ case 'basic':
+ return self.basic(self.user, self.pass, true)
+
+ case 'bearer':
+ return self.bearer(self.bearerToken, true)
+
+ case 'digest':
+ return self.digest(request.method, request.path, authHeader)
+ }
+}
+
+exports.Auth = Auth
+
+},{"./helpers":384,"caseless":110,"uuid":845}],381:[function(require,module,exports){
+'use strict'
+
+var tough = require('tough-cookie')
+
+var Cookie = tough.Cookie
+var CookieJar = tough.CookieJar
+
+exports.parse = function (str) {
+ if (str && str.uri) {
+ str = str.uri
+ }
+ if (typeof str !== 'string') {
+ throw new Error('The cookie function only accepts STRING as param')
+ }
+ return Cookie.parse(str, {loose: true})
+}
+
+// Adapt the sometimes-Async api of tough.CookieJar to our requirements
+function RequestJar (store) {
+ var self = this
+ self._jar = new CookieJar(store, {looseMode: true})
+}
+RequestJar.prototype.setCookie = function (cookieOrStr, uri, options) {
+ var self = this
+ return self._jar.setCookieSync(cookieOrStr, uri, options || {})
+}
+RequestJar.prototype.getCookieString = function (uri) {
+ var self = this
+ return self._jar.getCookieStringSync(uri)
+}
+RequestJar.prototype.getCookies = function (uri) {
+ var self = this
+ return self._jar.getCookiesSync(uri)
+}
+
+exports.jar = function (store) {
+ return new RequestJar(store)
+}
+
+},{"tough-cookie":459}],382:[function(require,module,exports){
+(function (process){
+'use strict'
+
+function formatHostname (hostname) {
+ // canonicalize the hostname, so that 'oogle.com' won't match 'google.com'
+ return hostname.replace(/^\.*/, '.').toLowerCase()
+}
+
+function parseNoProxyZone (zone) {
+ zone = zone.trim().toLowerCase()
+
+ var zoneParts = zone.split(':', 2)
+ var zoneHost = formatHostname(zoneParts[0])
+ var zonePort = zoneParts[1]
+ var hasPort = zone.indexOf(':') > -1
+
+ return {hostname: zoneHost, port: zonePort, hasPort: hasPort}
+}
+
+function uriInNoProxy (uri, noProxy) {
+ var port = uri.port || (uri.protocol === 'https:' ? '443' : '80')
+ var hostname = formatHostname(uri.hostname)
+ var noProxyList = noProxy.split(',')
+
+ // iterate through the noProxyList until it finds a match.
+ return noProxyList.map(parseNoProxyZone).some(function (noProxyZone) {
+ var isMatchedAt = hostname.indexOf(noProxyZone.hostname)
+ var hostnameMatched = (
+ isMatchedAt > -1 &&
+ (isMatchedAt === hostname.length - noProxyZone.hostname.length)
+ )
+
+ if (noProxyZone.hasPort) {
+ return (port === noProxyZone.port) && hostnameMatched
+ }
+
+ return hostnameMatched
+ })
+}
+
+function getProxyFromURI (uri) {
+ // Decide the proper request proxy to use based on the request URI object and the
+ // environmental variables (NO_PROXY, HTTP_PROXY, etc.)
+ // respect NO_PROXY environment variables (see: http://lynx.isc.org/current/breakout/lynx_help/keystrokes/environments.html)
+
+ var noProxy = process.env.NO_PROXY || process.env.no_proxy || ''
+
+ // if the noProxy is a wildcard then return null
+
+ if (noProxy === '*') {
+ return null
+ }
+
+ // if the noProxy is not empty and the uri is found return null
+
+ if (noProxy !== '' && uriInNoProxy(uri, noProxy)) {
+ return null
+ }
+
+ // Check for HTTP or HTTPS Proxy in environment Else default to null
+
+ if (uri.protocol === 'http:') {
+ return process.env.HTTP_PROXY ||
+ process.env.http_proxy || null
+ }
+
+ if (uri.protocol === 'https:') {
+ return process.env.HTTPS_PROXY ||
+ process.env.https_proxy ||
+ process.env.HTTP_PROXY ||
+ process.env.http_proxy || null
+ }
+
+ // if none of that works, return null
+ // (What uri protocol are you using then?)
+
+ return null
+}
+
+module.exports = getProxyFromURI
+
+}).call(this,require('_process'))
+},{"_process":345}],383:[function(require,module,exports){
+'use strict'
+
+var fs = require('fs')
+var qs = require('querystring')
+var validate = require('har-validator')
+var extend = require('extend')
+
+function Har (request) {
+ this.request = request
+}
+
+Har.prototype.reducer = function (obj, pair) {
+ // new property ?
+ if (obj[pair.name] === undefined) {
+ obj[pair.name] = pair.value
+ return obj
+ }
+
+ // existing? convert to array
+ var arr = [
+ obj[pair.name],
+ pair.value
+ ]
+
+ obj[pair.name] = arr
+
+ return obj
+}
+
+Har.prototype.prep = function (data) {
+ // construct utility properties
+ data.queryObj = {}
+ data.headersObj = {}
+ data.postData.jsonObj = false
+ data.postData.paramsObj = false
+
+ // construct query objects
+ if (data.queryString && data.queryString.length) {
+ data.queryObj = data.queryString.reduce(this.reducer, {})
+ }
+
+ // construct headers objects
+ if (data.headers && data.headers.length) {
+ // loweCase header keys
+ data.headersObj = data.headers.reduceRight(function (headers, header) {
+ headers[header.name] = header.value
+ return headers
+ }, {})
+ }
+
+ // construct Cookie header
+ if (data.cookies && data.cookies.length) {
+ var cookies = data.cookies.map(function (cookie) {
+ return cookie.name + '=' + cookie.value
+ })
+
+ if (cookies.length) {
+ data.headersObj.cookie = cookies.join('; ')
+ }
+ }
+
+ // prep body
+ function some (arr) {
+ return arr.some(function (type) {
+ return data.postData.mimeType.indexOf(type) === 0
+ })
+ }
+
+ if (some([
+ 'multipart/mixed',
+ 'multipart/related',
+ 'multipart/form-data',
+ 'multipart/alternative'])) {
+ // reset values
+ data.postData.mimeType = 'multipart/form-data'
+ } else if (some([
+ 'application/x-www-form-urlencoded'])) {
+ if (!data.postData.params) {
+ data.postData.text = ''
+ } else {
+ data.postData.paramsObj = data.postData.params.reduce(this.reducer, {})
+
+ // always overwrite
+ data.postData.text = qs.stringify(data.postData.paramsObj)
+ }
+ } else if (some([
+ 'text/json',
+ 'text/x-json',
+ 'application/json',
+ 'application/x-json'])) {
+ data.postData.mimeType = 'application/json'
+
+ if (data.postData.text) {
+ try {
+ data.postData.jsonObj = JSON.parse(data.postData.text)
+ } catch (e) {
+ this.request.debug(e)
+
+ // force back to text/plain
+ data.postData.mimeType = 'text/plain'
+ }
+ }
+ }
+
+ return data
+}
+
+Har.prototype.options = function (options) {
+ // skip if no har property defined
+ if (!options.har) {
+ return options
+ }
+
+ var har = {}
+ extend(har, options.har)
+
+ // only process the first entry
+ if (har.log && har.log.entries) {
+ har = har.log.entries[0]
+ }
+
+ // add optional properties to make validation successful
+ har.url = har.url || options.url || options.uri || options.baseUrl || '/'
+ har.httpVersion = har.httpVersion || 'HTTP/1.1'
+ har.queryString = har.queryString || []
+ har.headers = har.headers || []
+ har.cookies = har.cookies || []
+ har.postData = har.postData || {}
+ har.postData.mimeType = har.postData.mimeType || 'application/octet-stream'
+
+ har.bodySize = 0
+ har.headersSize = 0
+ har.postData.size = 0
+
+ if (!validate.request(har)) {
+ return options
+ }
+
+ // clean up and get some utility properties
+ var req = this.prep(har)
+
+ // construct new options
+ if (req.url) {
+ options.url = req.url
+ }
+
+ if (req.method) {
+ options.method = req.method
+ }
+
+ if (Object.keys(req.queryObj).length) {
+ options.qs = req.queryObj
+ }
+
+ if (Object.keys(req.headersObj).length) {
+ options.headers = req.headersObj
+ }
+
+ function test (type) {
+ return req.postData.mimeType.indexOf(type) === 0
+ }
+ if (test('application/x-www-form-urlencoded')) {
+ options.form = req.postData.paramsObj
+ } else if (test('application/json')) {
+ if (req.postData.jsonObj) {
+ options.body = req.postData.jsonObj
+ options.json = true
+ }
+ } else if (test('multipart/form-data')) {
+ options.formData = {}
+
+ req.postData.params.forEach(function (param) {
+ var attachment = {}
+
+ if (!param.fileName && !param.fileName && !param.contentType) {
+ options.formData[param.name] = param.value
+ return
+ }
+
+ // attempt to read from disk!
+ if (param.fileName && !param.value) {
+ attachment.value = fs.createReadStream(param.fileName)
+ } else if (param.value) {
+ attachment.value = param.value
+ }
+
+ if (param.fileName) {
+ attachment.options = {
+ filename: param.fileName,
+ contentType: param.contentType ? param.contentType : null
+ }
+ }
+
+ options.formData[param.name] = attachment
+ })
+ } else {
+ if (req.postData.text) {
+ options.body = req.postData.text
+ }
+ }
+
+ return options
+}
+
+exports.Har = Har
+
+},{"extend":202,"fs":106,"har-validator":232,"querystring":360}],384:[function(require,module,exports){
+(function (process){
+'use strict'
+
+var jsonSafeStringify = require('json-stringify-safe')
+var crypto = require('crypto')
+var Buffer = require('safe-buffer').Buffer
+
+var defer = typeof setImmediate === 'undefined'
+ ? process.nextTick
+ : setImmediate
+
+function paramsHaveRequestBody (params) {
+ return (
+ params.body ||
+ params.requestBodyStream ||
+ (params.json && typeof params.json !== 'boolean') ||
+ params.multipart
+ )
+}
+
+function safeStringify (obj, replacer) {
+ var ret
+ try {
+ ret = JSON.stringify(obj, replacer)
+ } catch (e) {
+ ret = jsonSafeStringify(obj, replacer)
+ }
+ return ret
+}
+
+function md5 (str) {
+ return crypto.createHash('md5').update(str).digest('hex')
+}
+
+function isReadStream (rs) {
+ return rs.readable && rs.path && rs.mode
+}
+
+function toBase64 (str) {
+ return Buffer.from(str || '', 'utf8').toString('base64')
+}
+
+function copy (obj) {
+ var o = {}
+ Object.keys(obj).forEach(function (i) {
+ o[i] = obj[i]
+ })
+ return o
+}
+
+function version () {
+ var numbers = process.version.replace('v', '').split('.')
+ return {
+ major: parseInt(numbers[0], 10),
+ minor: parseInt(numbers[1], 10),
+ patch: parseInt(numbers[2], 10)
+ }
+}
+
+exports.paramsHaveRequestBody = paramsHaveRequestBody
+exports.safeStringify = safeStringify
+exports.md5 = md5
+exports.isReadStream = isReadStream
+exports.toBase64 = toBase64
+exports.copy = copy
+exports.version = version
+exports.defer = defer
+
+}).call(this,require('_process'))
+},{"_process":345,"crypto":122,"json-stringify-safe":289,"safe-buffer":393}],385:[function(require,module,exports){
+'use strict'
+
+var uuid = require('uuid')
+var CombinedStream = require('combined-stream')
+var isstream = require('isstream')
+var Buffer = require('safe-buffer').Buffer
+
+function Multipart (request) {
+ this.request = request
+ this.boundary = uuid()
+ this.chunked = false
+ this.body = null
+}
+
+Multipart.prototype.isChunked = function (options) {
+ var self = this
+ var chunked = false
+ var parts = options.data || options
+
+ if (!parts.forEach) {
+ self.request.emit('error', new Error('Argument error, options.multipart.'))
+ }
+
+ if (options.chunked !== undefined) {
+ chunked = options.chunked
+ }
+
+ if (self.request.getHeader('transfer-encoding') === 'chunked') {
+ chunked = true
+ }
+
+ if (!chunked) {
+ parts.forEach(function (part) {
+ if (typeof part.body === 'undefined') {
+ self.request.emit('error', new Error('Body attribute missing in multipart.'))
+ }
+ if (isstream(part.body)) {
+ chunked = true
+ }
+ })
+ }
+
+ return chunked
+}
+
+Multipart.prototype.setHeaders = function (chunked) {
+ var self = this
+
+ if (chunked && !self.request.hasHeader('transfer-encoding')) {
+ self.request.setHeader('transfer-encoding', 'chunked')
+ }
+
+ var header = self.request.getHeader('content-type')
+
+ if (!header || header.indexOf('multipart') === -1) {
+ self.request.setHeader('content-type', 'multipart/related; boundary=' + self.boundary)
+ } else {
+ if (header.indexOf('boundary') !== -1) {
+ self.boundary = header.replace(/.*boundary=([^\s;]+).*/, '$1')
+ } else {
+ self.request.setHeader('content-type', header + '; boundary=' + self.boundary)
+ }
+ }
+}
+
+Multipart.prototype.build = function (parts, chunked) {
+ var self = this
+ var body = chunked ? new CombinedStream() : []
+
+ function add (part) {
+ if (typeof part === 'number') {
+ part = part.toString()
+ }
+ return chunked ? body.append(part) : body.push(Buffer.from(part))
+ }
+
+ if (self.request.preambleCRLF) {
+ add('\r\n')
+ }
+
+ parts.forEach(function (part) {
+ var preamble = '--' + self.boundary + '\r\n'
+ Object.keys(part).forEach(function (key) {
+ if (key === 'body') { return }
+ preamble += key + ': ' + part[key] + '\r\n'
+ })
+ preamble += '\r\n'
+ add(preamble)
+ add(part.body)
+ add('\r\n')
+ })
+ add('--' + self.boundary + '--')
+
+ if (self.request.postambleCRLF) {
+ add('\r\n')
+ }
+
+ return body
+}
+
+Multipart.prototype.onRequest = function (options) {
+ var self = this
+
+ var chunked = self.isChunked(options)
+ var parts = options.data || options
+
+ self.setHeaders(chunked)
+ self.chunked = chunked
+ self.body = self.build(parts, chunked)
+}
+
+exports.Multipart = Multipart
+
+},{"combined-stream":113,"isstream":285,"safe-buffer":393,"uuid":845}],386:[function(require,module,exports){
+'use strict'
+
+var url = require('url')
+var qs = require('qs')
+var caseless = require('caseless')
+var uuid = require('uuid')
+var oauth = require('oauth-sign')
+var crypto = require('crypto')
+var Buffer = require('safe-buffer').Buffer
+
+function OAuth (request) {
+ this.request = request
+ this.params = null
+}
+
+OAuth.prototype.buildParams = function (_oauth, uri, method, query, form, qsLib) {
+ var oa = {}
+ for (var i in _oauth) {
+ oa['oauth_' + i] = _oauth[i]
+ }
+ if (!oa.oauth_version) {
+ oa.oauth_version = '1.0'
+ }
+ if (!oa.oauth_timestamp) {
+ oa.oauth_timestamp = Math.floor(Date.now() / 1000).toString()
+ }
+ if (!oa.oauth_nonce) {
+ oa.oauth_nonce = uuid().replace(/-/g, '')
+ }
+ if (!oa.oauth_signature_method) {
+ oa.oauth_signature_method = 'HMAC-SHA1'
+ }
+
+ var consumer_secret_or_private_key = oa.oauth_consumer_secret || oa.oauth_private_key // eslint-disable-line camelcase
+ delete oa.oauth_consumer_secret
+ delete oa.oauth_private_key
+
+ var token_secret = oa.oauth_token_secret // eslint-disable-line camelcase
+ delete oa.oauth_token_secret
+
+ var realm = oa.oauth_realm
+ delete oa.oauth_realm
+ delete oa.oauth_transport_method
+
+ var baseurl = uri.protocol + '//' + uri.host + uri.pathname
+ var params = qsLib.parse([].concat(query, form, qsLib.stringify(oa)).join('&'))
+
+ oa.oauth_signature = oauth.sign(
+ oa.oauth_signature_method,
+ method,
+ baseurl,
+ params,
+ consumer_secret_or_private_key, // eslint-disable-line camelcase
+ token_secret // eslint-disable-line camelcase
+ )
+
+ if (realm) {
+ oa.realm = realm
+ }
+
+ return oa
+}
+
+OAuth.prototype.buildBodyHash = function (_oauth, body) {
+ if (['HMAC-SHA1', 'RSA-SHA1'].indexOf(_oauth.signature_method || 'HMAC-SHA1') < 0) {
+ this.request.emit('error', new Error('oauth: ' + _oauth.signature_method +
+ ' signature_method not supported with body_hash signing.'))
+ }
+
+ var shasum = crypto.createHash('sha1')
+ shasum.update(body || '')
+ var sha1 = shasum.digest('hex')
+
+ return Buffer.from(sha1).toString('base64')
+}
+
+OAuth.prototype.concatParams = function (oa, sep, wrap) {
+ wrap = wrap || ''
+
+ var params = Object.keys(oa).filter(function (i) {
+ return i !== 'realm' && i !== 'oauth_signature'
+ }).sort()
+
+ if (oa.realm) {
+ params.splice(0, 0, 'realm')
+ }
+ params.push('oauth_signature')
+
+ return params.map(function (i) {
+ return i + '=' + wrap + oauth.rfc3986(oa[i]) + wrap
+ }).join(sep)
+}
+
+OAuth.prototype.onRequest = function (_oauth) {
+ var self = this
+ self.params = _oauth
+
+ var uri = self.request.uri || {}
+ var method = self.request.method || ''
+ var headers = caseless(self.request.headers)
+ var body = self.request.body || ''
+ var qsLib = self.request.qsLib || qs
+
+ var form
+ var query
+ var contentType = headers.get('content-type') || ''
+ var formContentType = 'application/x-www-form-urlencoded'
+ var transport = _oauth.transport_method || 'header'
+
+ if (contentType.slice(0, formContentType.length) === formContentType) {
+ contentType = formContentType
+ form = body
+ }
+ if (uri.query) {
+ query = uri.query
+ }
+ if (transport === 'body' && (method !== 'POST' || contentType !== formContentType)) {
+ self.request.emit('error', new Error('oauth: transport_method of body requires POST ' +
+ 'and content-type ' + formContentType))
+ }
+
+ if (!form && typeof _oauth.body_hash === 'boolean') {
+ _oauth.body_hash = self.buildBodyHash(_oauth, self.request.body.toString())
+ }
+
+ var oa = self.buildParams(_oauth, uri, method, query, form, qsLib)
+
+ switch (transport) {
+ case 'header':
+ self.request.setHeader('Authorization', 'OAuth ' + self.concatParams(oa, ',', '"'))
+ break
+
+ case 'query':
+ var href = self.request.uri.href += (query ? '&' : '?') + self.concatParams(oa, '&')
+ self.request.uri = url.parse(href)
+ self.request.path = self.request.uri.path
+ break
+
+ case 'body':
+ self.request.body = (form ? form + '&' : '') + self.concatParams(oa, '&')
+ break
+
+ default:
+ self.request.emit('error', new Error('oauth: transport_method invalid'))
+ }
+}
+
+exports.OAuth = OAuth
+
+},{"caseless":110,"crypto":122,"oauth-sign":313,"qs":354,"safe-buffer":393,"url":839,"uuid":845}],387:[function(require,module,exports){
+'use strict'
+
+var qs = require('qs')
+var querystring = require('querystring')
+
+function Querystring (request) {
+ this.request = request
+ this.lib = null
+ this.useQuerystring = null
+ this.parseOptions = null
+ this.stringifyOptions = null
+}
+
+Querystring.prototype.init = function (options) {
+ if (this.lib) { return }
+
+ this.useQuerystring = options.useQuerystring
+ this.lib = (this.useQuerystring ? querystring : qs)
+
+ this.parseOptions = options.qsParseOptions || {}
+ this.stringifyOptions = options.qsStringifyOptions || {}
+}
+
+Querystring.prototype.stringify = function (obj) {
+ return (this.useQuerystring)
+ ? this.rfc3986(this.lib.stringify(obj,
+ this.stringifyOptions.sep || null,
+ this.stringifyOptions.eq || null,
+ this.stringifyOptions))
+ : this.lib.stringify(obj, this.stringifyOptions)
+}
+
+Querystring.prototype.parse = function (str) {
+ return (this.useQuerystring)
+ ? this.lib.parse(str,
+ this.parseOptions.sep || null,
+ this.parseOptions.eq || null,
+ this.parseOptions)
+ : this.lib.parse(str, this.parseOptions)
+}
+
+Querystring.prototype.rfc3986 = function (str) {
+ return str.replace(/[!'()*]/g, function (c) {
+ return '%' + c.charCodeAt(0).toString(16).toUpperCase()
+ })
+}
+
+Querystring.prototype.unescape = querystring.unescape
+
+exports.Querystring = Querystring
+
+},{"qs":354,"querystring":360}],388:[function(require,module,exports){
+'use strict'
+
+var url = require('url')
+var isUrl = /^https?:/
+
+function Redirect (request) {
+ this.request = request
+ this.followRedirect = true
+ this.followRedirects = true
+ this.followAllRedirects = false
+ this.followOriginalHttpMethod = false
+ this.allowRedirect = function () { return true }
+ this.maxRedirects = 10
+ this.redirects = []
+ this.redirectsFollowed = 0
+ this.removeRefererHeader = false
+}
+
+Redirect.prototype.onRequest = function (options) {
+ var self = this
+
+ if (options.maxRedirects !== undefined) {
+ self.maxRedirects = options.maxRedirects
+ }
+ if (typeof options.followRedirect === 'function') {
+ self.allowRedirect = options.followRedirect
+ }
+ if (options.followRedirect !== undefined) {
+ self.followRedirects = !!options.followRedirect
+ }
+ if (options.followAllRedirects !== undefined) {
+ self.followAllRedirects = options.followAllRedirects
+ }
+ if (self.followRedirects || self.followAllRedirects) {
+ self.redirects = self.redirects || []
+ }
+ if (options.removeRefererHeader !== undefined) {
+ self.removeRefererHeader = options.removeRefererHeader
+ }
+ if (options.followOriginalHttpMethod !== undefined) {
+ self.followOriginalHttpMethod = options.followOriginalHttpMethod
+ }
+}
+
+Redirect.prototype.redirectTo = function (response) {
+ var self = this
+ var request = self.request
+
+ var redirectTo = null
+ if (response.statusCode >= 300 && response.statusCode < 400 && response.caseless.has('location')) {
+ var location = response.caseless.get('location')
+ request.debug('redirect', location)
+
+ if (self.followAllRedirects) {
+ redirectTo = location
+ } else if (self.followRedirects) {
+ switch (request.method) {
+ case 'PATCH':
+ case 'PUT':
+ case 'POST':
+ case 'DELETE':
+ // Do not follow redirects
+ break
+ default:
+ redirectTo = location
+ break
+ }
+ }
+ } else if (response.statusCode === 401) {
+ var authHeader = request._auth.onResponse(response)
+ if (authHeader) {
+ request.setHeader('authorization', authHeader)
+ redirectTo = request.uri
+ }
+ }
+ return redirectTo
+}
+
+Redirect.prototype.onResponse = function (response) {
+ var self = this
+ var request = self.request
+
+ var redirectTo = self.redirectTo(response)
+ if (!redirectTo || !self.allowRedirect.call(request, response)) {
+ return false
+ }
+
+ request.debug('redirect to', redirectTo)
+
+ // ignore any potential response body. it cannot possibly be useful
+ // to us at this point.
+ // response.resume should be defined, but check anyway before calling. Workaround for browserify.
+ if (response.resume) {
+ response.resume()
+ }
+
+ if (self.redirectsFollowed >= self.maxRedirects) {
+ request.emit('error', new Error('Exceeded maxRedirects. Probably stuck in a redirect loop ' + request.uri.href))
+ return false
+ }
+ self.redirectsFollowed += 1
+
+ if (!isUrl.test(redirectTo)) {
+ redirectTo = url.resolve(request.uri.href, redirectTo)
+ }
+
+ var uriPrev = request.uri
+ request.uri = url.parse(redirectTo)
+
+ // handle the case where we change protocol from https to http or vice versa
+ if (request.uri.protocol !== uriPrev.protocol) {
+ delete request.agent
+ }
+
+ self.redirects.push({ statusCode: response.statusCode, redirectUri: redirectTo })
+
+ if (self.followAllRedirects && request.method !== 'HEAD' &&
+ response.statusCode !== 401 && response.statusCode !== 307) {
+ request.method = self.followOriginalHttpMethod ? request.method : 'GET'
+ }
+ // request.method = 'GET' // Force all redirects to use GET || commented out fixes #215
+ delete request.src
+ delete request.req
+ delete request._started
+ if (response.statusCode !== 401 && response.statusCode !== 307) {
+ // Remove parameters from the previous response, unless this is the second request
+ // for a server that requires digest authentication.
+ delete request.body
+ delete request._form
+ if (request.headers) {
+ request.removeHeader('host')
+ request.removeHeader('content-type')
+ request.removeHeader('content-length')
+ if (request.uri.hostname !== request.originalHost.split(':')[0]) {
+ // Remove authorization if changing hostnames (but not if just
+ // changing ports or protocols). This matches the behavior of curl:
+ // https://github.com/bagder/curl/blob/6beb0eee/lib/http.c#L710
+ request.removeHeader('authorization')
+ }
+ }
+ }
+
+ if (!self.removeRefererHeader) {
+ request.setHeader('referer', uriPrev.href)
+ }
+
+ request.emit('redirect')
+
+ request.init()
+
+ return true
+}
+
+exports.Redirect = Redirect
+
+},{"url":839}],389:[function(require,module,exports){
+'use strict'
+
+var url = require('url')
+var tunnel = require('tunnel-agent')
+
+var defaultProxyHeaderWhiteList = [
+ 'accept',
+ 'accept-charset',
+ 'accept-encoding',
+ 'accept-language',
+ 'accept-ranges',
+ 'cache-control',
+ 'content-encoding',
+ 'content-language',
+ 'content-location',
+ 'content-md5',
+ 'content-range',
+ 'content-type',
+ 'connection',
+ 'date',
+ 'expect',
+ 'max-forwards',
+ 'pragma',
+ 'referer',
+ 'te',
+ 'user-agent',
+ 'via'
+]
+
+var defaultProxyHeaderExclusiveList = [
+ 'proxy-authorization'
+]
+
+function constructProxyHost (uriObject) {
+ var port = uriObject.port
+ var protocol = uriObject.protocol
+ var proxyHost = uriObject.hostname + ':'
+
+ if (port) {
+ proxyHost += port
+ } else if (protocol === 'https:') {
+ proxyHost += '443'
+ } else {
+ proxyHost += '80'
+ }
+
+ return proxyHost
+}
+
+function constructProxyHeaderWhiteList (headers, proxyHeaderWhiteList) {
+ var whiteList = proxyHeaderWhiteList
+ .reduce(function (set, header) {
+ set[header.toLowerCase()] = true
+ return set
+ }, {})
+
+ return Object.keys(headers)
+ .filter(function (header) {
+ return whiteList[header.toLowerCase()]
+ })
+ .reduce(function (set, header) {
+ set[header] = headers[header]
+ return set
+ }, {})
+}
+
+function constructTunnelOptions (request, proxyHeaders) {
+ var proxy = request.proxy
+
+ var tunnelOptions = {
+ proxy: {
+ host: proxy.hostname,
+ port: +proxy.port,
+ proxyAuth: proxy.auth,
+ headers: proxyHeaders
+ },
+ headers: request.headers,
+ ca: request.ca,
+ cert: request.cert,
+ key: request.key,
+ passphrase: request.passphrase,
+ pfx: request.pfx,
+ ciphers: request.ciphers,
+ rejectUnauthorized: request.rejectUnauthorized,
+ secureOptions: request.secureOptions,
+ secureProtocol: request.secureProtocol
+ }
+
+ return tunnelOptions
+}
+
+function constructTunnelFnName (uri, proxy) {
+ var uriProtocol = (uri.protocol === 'https:' ? 'https' : 'http')
+ var proxyProtocol = (proxy.protocol === 'https:' ? 'Https' : 'Http')
+ return [uriProtocol, proxyProtocol].join('Over')
+}
+
+function getTunnelFn (request) {
+ var uri = request.uri
+ var proxy = request.proxy
+ var tunnelFnName = constructTunnelFnName(uri, proxy)
+ return tunnel[tunnelFnName]
+}
+
+function Tunnel (request) {
+ this.request = request
+ this.proxyHeaderWhiteList = defaultProxyHeaderWhiteList
+ this.proxyHeaderExclusiveList = []
+ if (typeof request.tunnel !== 'undefined') {
+ this.tunnelOverride = request.tunnel
+ }
+}
+
+Tunnel.prototype.isEnabled = function () {
+ var self = this
+ var request = self.request
+ // Tunnel HTTPS by default. Allow the user to override this setting.
+
+ // If self.tunnelOverride is set (the user specified a value), use it.
+ if (typeof self.tunnelOverride !== 'undefined') {
+ return self.tunnelOverride
+ }
+
+ // If the destination is HTTPS, tunnel.
+ if (request.uri.protocol === 'https:') {
+ return true
+ }
+
+ // Otherwise, do not use tunnel.
+ return false
+}
+
+Tunnel.prototype.setup = function (options) {
+ var self = this
+ var request = self.request
+
+ options = options || {}
+
+ if (typeof request.proxy === 'string') {
+ request.proxy = url.parse(request.proxy)
+ }
+
+ if (!request.proxy || !request.tunnel) {
+ return false
+ }
+
+ // Setup Proxy Header Exclusive List and White List
+ if (options.proxyHeaderWhiteList) {
+ self.proxyHeaderWhiteList = options.proxyHeaderWhiteList
+ }
+ if (options.proxyHeaderExclusiveList) {
+ self.proxyHeaderExclusiveList = options.proxyHeaderExclusiveList
+ }
+
+ var proxyHeaderExclusiveList = self.proxyHeaderExclusiveList.concat(defaultProxyHeaderExclusiveList)
+ var proxyHeaderWhiteList = self.proxyHeaderWhiteList.concat(proxyHeaderExclusiveList)
+
+ // Setup Proxy Headers and Proxy Headers Host
+ // Only send the Proxy White Listed Header names
+ var proxyHeaders = constructProxyHeaderWhiteList(request.headers, proxyHeaderWhiteList)
+ proxyHeaders.host = constructProxyHost(request.uri)
+
+ proxyHeaderExclusiveList.forEach(request.removeHeader, request)
+
+ // Set Agent from Tunnel Data
+ var tunnelFn = getTunnelFn(request)
+ var tunnelOptions = constructTunnelOptions(request, proxyHeaders)
+ request.agent = tunnelFn(tunnelOptions)
+
+ return true
+}
+
+Tunnel.defaultProxyHeaderWhiteList = defaultProxyHeaderWhiteList
+Tunnel.defaultProxyHeaderExclusiveList = defaultProxyHeaderExclusiveList
+exports.Tunnel = Tunnel
+
+},{"tunnel-agent":466,"url":839}],390:[function(require,module,exports){
+(function (process){
+'use strict'
+
+var http = require('http')
+var https = require('https')
+var url = require('url')
+var util = require('util')
+var stream = require('stream')
+var zlib = require('zlib')
+var hawk = require('hawk')
+var aws2 = require('aws-sign2')
+var aws4 = require('aws4')
+var httpSignature = require('http-signature')
+var mime = require('mime-types')
+var stringstream = require('stringstream')
+var caseless = require('caseless')
+var ForeverAgent = require('forever-agent')
+var FormData = require('form-data')
+var extend = require('extend')
+var isstream = require('isstream')
+var isTypedArray = require('is-typedarray').strict
+var helpers = require('./lib/helpers')
+var cookies = require('./lib/cookies')
+var getProxyFromURI = require('./lib/getProxyFromURI')
+var Querystring = require('./lib/querystring').Querystring
+var Har = require('./lib/har').Har
+var Auth = require('./lib/auth').Auth
+var OAuth = require('./lib/oauth').OAuth
+var Multipart = require('./lib/multipart').Multipart
+var Redirect = require('./lib/redirect').Redirect
+var Tunnel = require('./lib/tunnel').Tunnel
+var now = require('performance-now')
+var Buffer = require('safe-buffer').Buffer
+
+var safeStringify = helpers.safeStringify
+var isReadStream = helpers.isReadStream
+var toBase64 = helpers.toBase64
+var defer = helpers.defer
+var copy = helpers.copy
+var version = helpers.version
+var globalCookieJar = cookies.jar()
+
+var globalPool = {}
+
+function filterForNonReserved (reserved, options) {
+ // Filter out properties that are not reserved.
+ // Reserved values are passed in at call site.
+
+ var object = {}
+ for (var i in options) {
+ var notReserved = (reserved.indexOf(i) === -1)
+ if (notReserved) {
+ object[i] = options[i]
+ }
+ }
+ return object
+}
+
+function filterOutReservedFunctions (reserved, options) {
+ // Filter out properties that are functions and are reserved.
+ // Reserved values are passed in at call site.
+
+ var object = {}
+ for (var i in options) {
+ var isReserved = !(reserved.indexOf(i) === -1)
+ var isFunction = (typeof options[i] === 'function')
+ if (!(isReserved && isFunction)) {
+ object[i] = options[i]
+ }
+ }
+ return object
+}
+
+// Return a simpler request object to allow serialization
+function requestToJSON () {
+ var self = this
+ return {
+ uri: self.uri,
+ method: self.method,
+ headers: self.headers
+ }
+}
+
+// Return a simpler response object to allow serialization
+function responseToJSON () {
+ var self = this
+ return {
+ statusCode: self.statusCode,
+ body: self.body,
+ headers: self.headers,
+ request: requestToJSON.call(self.request)
+ }
+}
+
+function Request (options) {
+ // if given the method property in options, set property explicitMethod to true
+
+ // extend the Request instance with any non-reserved properties
+ // remove any reserved functions from the options object
+ // set Request instance to be readable and writable
+ // call init
+
+ var self = this
+
+ // start with HAR, then override with additional options
+ if (options.har) {
+ self._har = new Har(self)
+ options = self._har.options(options)
+ }
+
+ stream.Stream.call(self)
+ var reserved = Object.keys(Request.prototype)
+ var nonReserved = filterForNonReserved(reserved, options)
+
+ extend(self, nonReserved)
+ options = filterOutReservedFunctions(reserved, options)
+
+ self.readable = true
+ self.writable = true
+ if (options.method) {
+ self.explicitMethod = true
+ }
+ self._qs = new Querystring(self)
+ self._auth = new Auth(self)
+ self._oauth = new OAuth(self)
+ self._multipart = new Multipart(self)
+ self._redirect = new Redirect(self)
+ self._tunnel = new Tunnel(self)
+ self.init(options)
+}
+
+util.inherits(Request, stream.Stream)
+
+// Debugging
+Request.debug = process.env.NODE_DEBUG && /\brequest\b/.test(process.env.NODE_DEBUG)
+function debug () {
+ if (Request.debug) {
+ console.error('REQUEST %s', util.format.apply(util, arguments))
+ }
+}
+Request.prototype.debug = debug
+
+Request.prototype.init = function (options) {
+ // init() contains all the code to setup the request object.
+ // the actual outgoing request is not started until start() is called
+ // this function is called from both the constructor and on redirect.
+ var self = this
+ if (!options) {
+ options = {}
+ }
+ self.headers = self.headers ? copy(self.headers) : {}
+
+ // Delete headers with value undefined since they break
+ // ClientRequest.OutgoingMessage.setHeader in node 0.12
+ for (var headerName in self.headers) {
+ if (typeof self.headers[headerName] === 'undefined') {
+ delete self.headers[headerName]
+ }
+ }
+
+ caseless.httpify(self, self.headers)
+
+ if (!self.method) {
+ self.method = options.method || 'GET'
+ }
+ if (!self.localAddress) {
+ self.localAddress = options.localAddress
+ }
+
+ self._qs.init(options)
+
+ debug(options)
+ if (!self.pool && self.pool !== false) {
+ self.pool = globalPool
+ }
+ self.dests = self.dests || []
+ self.__isRequestRequest = true
+
+ // Protect against double callback
+ if (!self._callback && self.callback) {
+ self._callback = self.callback
+ self.callback = function () {
+ if (self._callbackCalled) {
+ return // Print a warning maybe?
+ }
+ self._callbackCalled = true
+ self._callback.apply(self, arguments)
+ }
+ self.on('error', self.callback.bind())
+ self.on('complete', self.callback.bind(self, null))
+ }
+
+ // People use this property instead all the time, so support it
+ if (!self.uri && self.url) {
+ self.uri = self.url
+ delete self.url
+ }
+
+ // If there's a baseUrl, then use it as the base URL (i.e. uri must be
+ // specified as a relative path and is appended to baseUrl).
+ if (self.baseUrl) {
+ if (typeof self.baseUrl !== 'string') {
+ return self.emit('error', new Error('options.baseUrl must be a string'))
+ }
+
+ if (typeof self.uri !== 'string') {
+ return self.emit('error', new Error('options.uri must be a string when using options.baseUrl'))
+ }
+
+ if (self.uri.indexOf('//') === 0 || self.uri.indexOf('://') !== -1) {
+ return self.emit('error', new Error('options.uri must be a path when using options.baseUrl'))
+ }
+
+ // Handle all cases to make sure that there's only one slash between
+ // baseUrl and uri.
+ var baseUrlEndsWithSlash = self.baseUrl.lastIndexOf('/') === self.baseUrl.length - 1
+ var uriStartsWithSlash = self.uri.indexOf('/') === 0
+
+ if (baseUrlEndsWithSlash && uriStartsWithSlash) {
+ self.uri = self.baseUrl + self.uri.slice(1)
+ } else if (baseUrlEndsWithSlash || uriStartsWithSlash) {
+ self.uri = self.baseUrl + self.uri
+ } else if (self.uri === '') {
+ self.uri = self.baseUrl
+ } else {
+ self.uri = self.baseUrl + '/' + self.uri
+ }
+ delete self.baseUrl
+ }
+
+ // A URI is needed by this point, emit error if we haven't been able to get one
+ if (!self.uri) {
+ return self.emit('error', new Error('options.uri is a required argument'))
+ }
+
+ // If a string URI/URL was given, parse it into a URL object
+ if (typeof self.uri === 'string') {
+ self.uri = url.parse(self.uri)
+ }
+
+ // Some URL objects are not from a URL parsed string and need href added
+ if (!self.uri.href) {
+ self.uri.href = url.format(self.uri)
+ }
+
+ // DEPRECATED: Warning for users of the old Unix Sockets URL Scheme
+ if (self.uri.protocol === 'unix:') {
+ return self.emit('error', new Error('`unix://` URL scheme is no longer supported. Please use the format `http://unix:SOCKET:PATH`'))
+ }
+
+ // Support Unix Sockets
+ if (self.uri.host === 'unix') {
+ self.enableUnixSocket()
+ }
+
+ if (self.strictSSL === false) {
+ self.rejectUnauthorized = false
+ }
+
+ if (!self.uri.pathname) { self.uri.pathname = '/' }
+
+ if (!(self.uri.host || (self.uri.hostname && self.uri.port)) && !self.uri.isUnix) {
+ // Invalid URI: it may generate lot of bad errors, like 'TypeError: Cannot call method `indexOf` of undefined' in CookieJar
+ // Detect and reject it as soon as possible
+ var faultyUri = url.format(self.uri)
+ var message = 'Invalid URI "' + faultyUri + '"'
+ if (Object.keys(options).length === 0) {
+ // No option ? This can be the sign of a redirect
+ // As this is a case where the user cannot do anything (they didn't call request directly with this URL)
+ // they should be warned that it can be caused by a redirection (can save some hair)
+ message += '. This can be caused by a crappy redirection.'
+ }
+ // This error was fatal
+ self.abort()
+ return self.emit('error', new Error(message))
+ }
+
+ if (!self.hasOwnProperty('proxy')) {
+ self.proxy = getProxyFromURI(self.uri)
+ }
+
+ self.tunnel = self._tunnel.isEnabled()
+ if (self.proxy) {
+ self._tunnel.setup(options)
+ }
+
+ self._redirect.onRequest(options)
+
+ self.setHost = false
+ if (!self.hasHeader('host')) {
+ var hostHeaderName = self.originalHostHeaderName || 'host'
+ // When used with an IPv6 address, `host` will provide
+ // the correct bracketed format, unlike using `hostname` and
+ // optionally adding the `port` when necessary.
+ self.setHeader(hostHeaderName, self.uri.host)
+ self.setHost = true
+ }
+
+ self.jar(self._jar || options.jar)
+
+ if (!self.uri.port) {
+ if (self.uri.protocol === 'http:') { self.uri.port = 80 } else if (self.uri.protocol === 'https:') { self.uri.port = 443 }
+ }
+
+ if (self.proxy && !self.tunnel) {
+ self.port = self.proxy.port
+ self.host = self.proxy.hostname
+ } else {
+ self.port = self.uri.port
+ self.host = self.uri.hostname
+ }
+
+ if (options.form) {
+ self.form(options.form)
+ }
+
+ if (options.formData) {
+ var formData = options.formData
+ var requestForm = self.form()
+ var appendFormValue = function (key, value) {
+ if (value && value.hasOwnProperty('value') && value.hasOwnProperty('options')) {
+ requestForm.append(key, value.value, value.options)
+ } else {
+ requestForm.append(key, value)
+ }
+ }
+ for (var formKey in formData) {
+ if (formData.hasOwnProperty(formKey)) {
+ var formValue = formData[formKey]
+ if (formValue instanceof Array) {
+ for (var j = 0; j < formValue.length; j++) {
+ appendFormValue(formKey, formValue[j])
+ }
+ } else {
+ appendFormValue(formKey, formValue)
+ }
+ }
+ }
+ }
+
+ if (options.qs) {
+ self.qs(options.qs)
+ }
+
+ if (self.uri.path) {
+ self.path = self.uri.path
+ } else {
+ self.path = self.uri.pathname + (self.uri.search || '')
+ }
+
+ if (self.path.length === 0) {
+ self.path = '/'
+ }
+
+ // Auth must happen last in case signing is dependent on other headers
+ if (options.aws) {
+ self.aws(options.aws)
+ }
+
+ if (options.hawk) {
+ self.hawk(options.hawk)
+ }
+
+ if (options.httpSignature) {
+ self.httpSignature(options.httpSignature)
+ }
+
+ if (options.auth) {
+ if (Object.prototype.hasOwnProperty.call(options.auth, 'username')) {
+ options.auth.user = options.auth.username
+ }
+ if (Object.prototype.hasOwnProperty.call(options.auth, 'password')) {
+ options.auth.pass = options.auth.password
+ }
+
+ self.auth(
+ options.auth.user,
+ options.auth.pass,
+ options.auth.sendImmediately,
+ options.auth.bearer
+ )
+ }
+
+ if (self.gzip && !self.hasHeader('accept-encoding')) {
+ self.setHeader('accept-encoding', 'gzip, deflate')
+ }
+
+ if (self.uri.auth && !self.hasHeader('authorization')) {
+ var uriAuthPieces = self.uri.auth.split(':').map(function (item) { return self._qs.unescape(item) })
+ self.auth(uriAuthPieces[0], uriAuthPieces.slice(1).join(':'), true)
+ }
+
+ if (!self.tunnel && self.proxy && self.proxy.auth && !self.hasHeader('proxy-authorization')) {
+ var proxyAuthPieces = self.proxy.auth.split(':').map(function (item) { return self._qs.unescape(item) })
+ var authHeader = 'Basic ' + toBase64(proxyAuthPieces.join(':'))
+ self.setHeader('proxy-authorization', authHeader)
+ }
+
+ if (self.proxy && !self.tunnel) {
+ self.path = (self.uri.protocol + '//' + self.uri.host + self.path)
+ }
+
+ if (options.json) {
+ self.json(options.json)
+ }
+ if (options.multipart) {
+ self.multipart(options.multipart)
+ }
+
+ if (options.time) {
+ self.timing = true
+
+ // NOTE: elapsedTime is deprecated in favor of .timings
+ self.elapsedTime = self.elapsedTime || 0
+ }
+
+ function setContentLength () {
+ if (isTypedArray(self.body)) {
+ self.body = Buffer.from(self.body)
+ }
+
+ if (!self.hasHeader('content-length')) {
+ var length
+ if (typeof self.body === 'string') {
+ length = Buffer.byteLength(self.body)
+ } else if (Array.isArray(self.body)) {
+ length = self.body.reduce(function (a, b) { return a + b.length }, 0)
+ } else {
+ length = self.body.length
+ }
+
+ if (length) {
+ self.setHeader('content-length', length)
+ } else {
+ self.emit('error', new Error('Argument error, options.body.'))
+ }
+ }
+ }
+ if (self.body && !isstream(self.body)) {
+ setContentLength()
+ }
+
+ if (options.oauth) {
+ self.oauth(options.oauth)
+ } else if (self._oauth.params && self.hasHeader('authorization')) {
+ self.oauth(self._oauth.params)
+ }
+
+ var protocol = self.proxy && !self.tunnel ? self.proxy.protocol : self.uri.protocol
+ var defaultModules = {'http:': http, 'https:': https}
+ var httpModules = self.httpModules || {}
+
+ self.httpModule = httpModules[protocol] || defaultModules[protocol]
+
+ if (!self.httpModule) {
+ return self.emit('error', new Error('Invalid protocol: ' + protocol))
+ }
+
+ if (options.ca) {
+ self.ca = options.ca
+ }
+
+ if (!self.agent) {
+ if (options.agentOptions) {
+ self.agentOptions = options.agentOptions
+ }
+
+ if (options.agentClass) {
+ self.agentClass = options.agentClass
+ } else if (options.forever) {
+ var v = version()
+ // use ForeverAgent in node 0.10- only
+ if (v.major === 0 && v.minor <= 10) {
+ self.agentClass = protocol === 'http:' ? ForeverAgent : ForeverAgent.SSL
+ } else {
+ self.agentClass = self.httpModule.Agent
+ self.agentOptions = self.agentOptions || {}
+ self.agentOptions.keepAlive = true
+ }
+ } else {
+ self.agentClass = self.httpModule.Agent
+ }
+ }
+
+ if (self.pool === false) {
+ self.agent = false
+ } else {
+ self.agent = self.agent || self.getNewAgent()
+ }
+
+ self.on('pipe', function (src) {
+ if (self.ntick && self._started) {
+ self.emit('error', new Error('You cannot pipe to this stream after the outbound request has started.'))
+ }
+ self.src = src
+ if (isReadStream(src)) {
+ if (!self.hasHeader('content-type')) {
+ self.setHeader('content-type', mime.lookup(src.path))
+ }
+ } else {
+ if (src.headers) {
+ for (var i in src.headers) {
+ if (!self.hasHeader(i)) {
+ self.setHeader(i, src.headers[i])
+ }
+ }
+ }
+ if (self._json && !self.hasHeader('content-type')) {
+ self.setHeader('content-type', 'application/json')
+ }
+ if (src.method && !self.explicitMethod) {
+ self.method = src.method
+ }
+ }
+
+ // self.on('pipe', function () {
+ // console.error('You have already piped to this stream. Pipeing twice is likely to break the request.')
+ // })
+ })
+
+ defer(function () {
+ if (self._aborted) {
+ return
+ }
+
+ var end = function () {
+ if (self._form) {
+ if (!self._auth.hasAuth) {
+ self._form.pipe(self)
+ } else if (self._auth.hasAuth && self._auth.sentAuth) {
+ self._form.pipe(self)
+ }
+ }
+ if (self._multipart && self._multipart.chunked) {
+ self._multipart.body.pipe(self)
+ }
+ if (self.body) {
+ if (isstream(self.body)) {
+ self.body.pipe(self)
+ } else {
+ setContentLength()
+ if (Array.isArray(self.body)) {
+ self.body.forEach(function (part) {
+ self.write(part)
+ })
+ } else {
+ self.write(self.body)
+ }
+ self.end()
+ }
+ } else if (self.requestBodyStream) {
+ console.warn('options.requestBodyStream is deprecated, please pass the request object to stream.pipe.')
+ self.requestBodyStream.pipe(self)
+ } else if (!self.src) {
+ if (self._auth.hasAuth && !self._auth.sentAuth) {
+ self.end()
+ return
+ }
+ if (self.method !== 'GET' && typeof self.method !== 'undefined') {
+ self.setHeader('content-length', 0)
+ }
+ self.end()
+ }
+ }
+
+ if (self._form && !self.hasHeader('content-length')) {
+ // Before ending the request, we had to compute the length of the whole form, asyncly
+ self.setHeader(self._form.getHeaders(), true)
+ self._form.getLength(function (err, length) {
+ if (!err && !isNaN(length)) {
+ self.setHeader('content-length', length)
+ }
+ end()
+ })
+ } else {
+ end()
+ }
+
+ self.ntick = true
+ })
+}
+
+Request.prototype.getNewAgent = function () {
+ var self = this
+ var Agent = self.agentClass
+ var options = {}
+ if (self.agentOptions) {
+ for (var i in self.agentOptions) {
+ options[i] = self.agentOptions[i]
+ }
+ }
+ if (self.ca) {
+ options.ca = self.ca
+ }
+ if (self.ciphers) {
+ options.ciphers = self.ciphers
+ }
+ if (self.secureProtocol) {
+ options.secureProtocol = self.secureProtocol
+ }
+ if (self.secureOptions) {
+ options.secureOptions = self.secureOptions
+ }
+ if (typeof self.rejectUnauthorized !== 'undefined') {
+ options.rejectUnauthorized = self.rejectUnauthorized
+ }
+
+ if (self.cert && self.key) {
+ options.key = self.key
+ options.cert = self.cert
+ }
+
+ if (self.pfx) {
+ options.pfx = self.pfx
+ }
+
+ if (self.passphrase) {
+ options.passphrase = self.passphrase
+ }
+
+ var poolKey = ''
+
+ // different types of agents are in different pools
+ if (Agent !== self.httpModule.Agent) {
+ poolKey += Agent.name
+ }
+
+ // ca option is only relevant if proxy or destination are https
+ var proxy = self.proxy
+ if (typeof proxy === 'string') {
+ proxy = url.parse(proxy)
+ }
+ var isHttps = (proxy && proxy.protocol === 'https:') || this.uri.protocol === 'https:'
+
+ if (isHttps) {
+ if (options.ca) {
+ if (poolKey) {
+ poolKey += ':'
+ }
+ poolKey += options.ca
+ }
+
+ if (typeof options.rejectUnauthorized !== 'undefined') {
+ if (poolKey) {
+ poolKey += ':'
+ }
+ poolKey += options.rejectUnauthorized
+ }
+
+ if (options.cert) {
+ if (poolKey) {
+ poolKey += ':'
+ }
+ poolKey += options.cert.toString('ascii') + options.key.toString('ascii')
+ }
+
+ if (options.pfx) {
+ if (poolKey) {
+ poolKey += ':'
+ }
+ poolKey += options.pfx.toString('ascii')
+ }
+
+ if (options.ciphers) {
+ if (poolKey) {
+ poolKey += ':'
+ }
+ poolKey += options.ciphers
+ }
+
+ if (options.secureProtocol) {
+ if (poolKey) {
+ poolKey += ':'
+ }
+ poolKey += options.secureProtocol
+ }
+
+ if (options.secureOptions) {
+ if (poolKey) {
+ poolKey += ':'
+ }
+ poolKey += options.secureOptions
+ }
+ }
+
+ if (self.pool === globalPool && !poolKey && Object.keys(options).length === 0 && self.httpModule.globalAgent) {
+ // not doing anything special. Use the globalAgent
+ return self.httpModule.globalAgent
+ }
+
+ // we're using a stored agent. Make sure it's protocol-specific
+ poolKey = self.uri.protocol + poolKey
+
+ // generate a new agent for this setting if none yet exists
+ if (!self.pool[poolKey]) {
+ self.pool[poolKey] = new Agent(options)
+ // properly set maxSockets on new agents
+ if (self.pool.maxSockets) {
+ self.pool[poolKey].maxSockets = self.pool.maxSockets
+ }
+ }
+
+ return self.pool[poolKey]
+}
+
+Request.prototype.start = function () {
+ // start() is called once we are ready to send the outgoing HTTP request.
+ // this is usually called on the first write(), end() or on nextTick()
+ var self = this
+
+ if (self.timing) {
+ // All timings will be relative to this request's startTime. In order to do this,
+ // we need to capture the wall-clock start time (via Date), immediately followed
+ // by the high-resolution timer (via now()). While these two won't be set
+ // at the _exact_ same time, they should be close enough to be able to calculate
+ // high-resolution, monotonically non-decreasing timestamps relative to startTime.
+ var startTime = new Date().getTime()
+ var startTimeNow = now()
+ }
+
+ if (self._aborted) {
+ return
+ }
+
+ self._started = true
+ self.method = self.method || 'GET'
+ self.href = self.uri.href
+
+ if (self.src && self.src.stat && self.src.stat.size && !self.hasHeader('content-length')) {
+ self.setHeader('content-length', self.src.stat.size)
+ }
+ if (self._aws) {
+ self.aws(self._aws, true)
+ }
+
+ // We have a method named auth, which is completely different from the http.request
+ // auth option. If we don't remove it, we're gonna have a bad time.
+ var reqOptions = copy(self)
+ delete reqOptions.auth
+
+ debug('make request', self.uri.href)
+
+ // node v6.8.0 now supports a `timeout` value in `http.request()`, but we
+ // should delete it for now since we handle timeouts manually for better
+ // consistency with node versions before v6.8.0
+ delete reqOptions.timeout
+
+ try {
+ self.req = self.httpModule.request(reqOptions)
+ } catch (err) {
+ self.emit('error', err)
+ return
+ }
+
+ if (self.timing) {
+ self.startTime = startTime
+ self.startTimeNow = startTimeNow
+
+ // Timing values will all be relative to startTime (by comparing to startTimeNow
+ // so we have an accurate clock)
+ self.timings = {}
+ }
+
+ var timeout
+ if (self.timeout && !self.timeoutTimer) {
+ if (self.timeout < 0) {
+ timeout = 0
+ } else if (typeof self.timeout === 'number' && isFinite(self.timeout)) {
+ timeout = self.timeout
+ }
+ }
+
+ self.req.on('response', self.onRequestResponse.bind(self))
+ self.req.on('error', self.onRequestError.bind(self))
+ self.req.on('drain', function () {
+ self.emit('drain')
+ })
+
+ self.req.on('socket', function (socket) {
+ // `._connecting` was the old property which was made public in node v6.1.0
+ var isConnecting = socket._connecting || socket.connecting
+ if (self.timing) {
+ self.timings.socket = now() - self.startTimeNow
+
+ if (isConnecting) {
+ var onLookupTiming = function () {
+ self.timings.lookup = now() - self.startTimeNow
+ }
+
+ var onConnectTiming = function () {
+ self.timings.connect = now() - self.startTimeNow
+ }
+
+ socket.once('lookup', onLookupTiming)
+ socket.once('connect', onConnectTiming)
+
+ // clean up timing event listeners if needed on error
+ self.req.once('error', function () {
+ socket.removeListener('lookup', onLookupTiming)
+ socket.removeListener('connect', onConnectTiming)
+ })
+ }
+ }
+
+ var setReqTimeout = function () {
+ // This timeout sets the amount of time to wait *between* bytes sent
+ // from the server once connected.
+ //
+ // In particular, it's useful for erroring if the server fails to send
+ // data halfway through streaming a response.
+ self.req.setTimeout(timeout, function () {
+ if (self.req) {
+ self.abort()
+ var e = new Error('ESOCKETTIMEDOUT')
+ e.code = 'ESOCKETTIMEDOUT'
+ e.connect = false
+ self.emit('error', e)
+ }
+ })
+ }
+ if (timeout !== undefined) {
+ // Only start the connection timer if we're actually connecting a new
+ // socket, otherwise if we're already connected (because this is a
+ // keep-alive connection) do not bother. This is important since we won't
+ // get a 'connect' event for an already connected socket.
+ if (isConnecting) {
+ var onReqSockConnect = function () {
+ socket.removeListener('connect', onReqSockConnect)
+ clearTimeout(self.timeoutTimer)
+ self.timeoutTimer = null
+ setReqTimeout()
+ }
+
+ socket.on('connect', onReqSockConnect)
+
+ self.req.on('error', function (err) { // eslint-disable-line handle-callback-err
+ socket.removeListener('connect', onReqSockConnect)
+ })
+
+ // Set a timeout in memory - this block will throw if the server takes more
+ // than `timeout` to write the HTTP status and headers (corresponding to
+ // the on('response') event on the client). NB: this measures wall-clock
+ // time, not the time between bytes sent by the server.
+ self.timeoutTimer = setTimeout(function () {
+ socket.removeListener('connect', onReqSockConnect)
+ self.abort()
+ var e = new Error('ETIMEDOUT')
+ e.code = 'ETIMEDOUT'
+ e.connect = true
+ self.emit('error', e)
+ }, timeout)
+ } else {
+ // We're already connected
+ setReqTimeout()
+ }
+ }
+ self.emit('socket', socket)
+ })
+
+ self.emit('request', self.req)
+}
+
+Request.prototype.onRequestError = function (error) {
+ var self = this
+ if (self._aborted) {
+ return
+ }
+ if (self.req && self.req._reusedSocket && error.code === 'ECONNRESET' &&
+ self.agent.addRequestNoreuse) {
+ self.agent = { addRequest: self.agent.addRequestNoreuse.bind(self.agent) }
+ self.start()
+ self.req.end()
+ return
+ }
+ if (self.timeout && self.timeoutTimer) {
+ clearTimeout(self.timeoutTimer)
+ self.timeoutTimer = null
+ }
+ self.emit('error', error)
+}
+
+Request.prototype.onRequestResponse = function (response) {
+ var self = this
+
+ if (self.timing) {
+ self.timings.response = now() - self.startTimeNow
+ }
+
+ debug('onRequestResponse', self.uri.href, response.statusCode, response.headers)
+ response.on('end', function () {
+ if (self.timing) {
+ self.timings.end = now() - self.startTimeNow
+ response.timingStart = self.startTime
+
+ // fill in the blanks for any periods that didn't trigger, such as
+ // no lookup or connect due to keep alive
+ if (!self.timings.socket) {
+ self.timings.socket = 0
+ }
+ if (!self.timings.lookup) {
+ self.timings.lookup = self.timings.socket
+ }
+ if (!self.timings.connect) {
+ self.timings.connect = self.timings.lookup
+ }
+ if (!self.timings.response) {
+ self.timings.response = self.timings.connect
+ }
+
+ debug('elapsed time', self.timings.end)
+
+ // elapsedTime includes all redirects
+ self.elapsedTime += Math.round(self.timings.end)
+
+ // NOTE: elapsedTime is deprecated in favor of .timings
+ response.elapsedTime = self.elapsedTime
+
+ // timings is just for the final fetch
+ response.timings = self.timings
+
+ // pre-calculate phase timings as well
+ response.timingPhases = {
+ wait: self.timings.socket,
+ dns: self.timings.lookup - self.timings.socket,
+ tcp: self.timings.connect - self.timings.lookup,
+ firstByte: self.timings.response - self.timings.connect,
+ download: self.timings.end - self.timings.response,
+ total: self.timings.end
+ }
+ }
+ debug('response end', self.uri.href, response.statusCode, response.headers)
+ })
+
+ if (self._aborted) {
+ debug('aborted', self.uri.href)
+ response.resume()
+ return
+ }
+
+ self.response = response
+ response.request = self
+ response.toJSON = responseToJSON
+
+ // XXX This is different on 0.10, because SSL is strict by default
+ if (self.httpModule === https &&
+ self.strictSSL && (!response.hasOwnProperty('socket') ||
+ !response.socket.authorized)) {
+ debug('strict ssl error', self.uri.href)
+ var sslErr = response.hasOwnProperty('socket') ? response.socket.authorizationError : self.uri.href + ' does not support SSL'
+ self.emit('error', new Error('SSL Error: ' + sslErr))
+ return
+ }
+
+ // Save the original host before any redirect (if it changes, we need to
+ // remove any authorization headers). Also remember the case of the header
+ // name because lots of broken servers expect Host instead of host and we
+ // want the caller to be able to specify this.
+ self.originalHost = self.getHeader('host')
+ if (!self.originalHostHeaderName) {
+ self.originalHostHeaderName = self.hasHeader('host')
+ }
+ if (self.setHost) {
+ self.removeHeader('host')
+ }
+ if (self.timeout && self.timeoutTimer) {
+ clearTimeout(self.timeoutTimer)
+ self.timeoutTimer = null
+ }
+
+ var targetCookieJar = (self._jar && self._jar.setCookie) ? self._jar : globalCookieJar
+ var addCookie = function (cookie) {
+ // set the cookie if it's domain in the href's domain.
+ try {
+ targetCookieJar.setCookie(cookie, self.uri.href, {ignoreError: true})
+ } catch (e) {
+ self.emit('error', e)
+ }
+ }
+
+ response.caseless = caseless(response.headers)
+
+ if (response.caseless.has('set-cookie') && (!self._disableCookies)) {
+ var headerName = response.caseless.has('set-cookie')
+ if (Array.isArray(response.headers[headerName])) {
+ response.headers[headerName].forEach(addCookie)
+ } else {
+ addCookie(response.headers[headerName])
+ }
+ }
+
+ if (self._redirect.onResponse(response)) {
+ return // Ignore the rest of the response
+ } else {
+ // Be a good stream and emit end when the response is finished.
+ // Hack to emit end on close because of a core bug that never fires end
+ response.on('close', function () {
+ if (!self._ended) {
+ self.response.emit('end')
+ }
+ })
+
+ response.once('end', function () {
+ self._ended = true
+ })
+
+ var noBody = function (code) {
+ return (
+ self.method === 'HEAD' ||
+ // Informational
+ (code >= 100 && code < 200) ||
+ // No Content
+ code === 204 ||
+ // Not Modified
+ code === 304
+ )
+ }
+
+ var responseContent
+ if (self.gzip && !noBody(response.statusCode)) {
+ var contentEncoding = response.headers['content-encoding'] || 'identity'
+ contentEncoding = contentEncoding.trim().toLowerCase()
+
+ // Be more lenient with decoding compressed responses, since (very rarely)
+ // servers send slightly invalid gzip responses that are still accepted
+ // by common browsers.
+ // Always using Z_SYNC_FLUSH is what cURL does.
+ var zlibOptions = {
+ flush: zlib.Z_SYNC_FLUSH,
+ finishFlush: zlib.Z_SYNC_FLUSH
+ }
+
+ if (contentEncoding === 'gzip') {
+ responseContent = zlib.createGunzip(zlibOptions)
+ response.pipe(responseContent)
+ } else if (contentEncoding === 'deflate') {
+ responseContent = zlib.createInflate(zlibOptions)
+ response.pipe(responseContent)
+ } else {
+ // Since previous versions didn't check for Content-Encoding header,
+ // ignore any invalid values to preserve backwards-compatibility
+ if (contentEncoding !== 'identity') {
+ debug('ignoring unrecognized Content-Encoding ' + contentEncoding)
+ }
+ responseContent = response
+ }
+ } else {
+ responseContent = response
+ }
+
+ if (self.encoding) {
+ if (self.dests.length !== 0) {
+ console.error('Ignoring encoding parameter as this stream is being piped to another stream which makes the encoding option invalid.')
+ } else if (responseContent.setEncoding) {
+ responseContent.setEncoding(self.encoding)
+ } else {
+ // Should only occur on node pre-v0.9.4 (joyent/node@9b5abe5) with
+ // zlib streams.
+ // If/When support for 0.9.4 is dropped, this should be unnecessary.
+ responseContent = responseContent.pipe(stringstream(self.encoding))
+ }
+ }
+
+ if (self._paused) {
+ responseContent.pause()
+ }
+
+ self.responseContent = responseContent
+
+ self.emit('response', response)
+
+ self.dests.forEach(function (dest) {
+ self.pipeDest(dest)
+ })
+
+ responseContent.on('data', function (chunk) {
+ if (self.timing && !self.responseStarted) {
+ self.responseStartTime = (new Date()).getTime()
+
+ // NOTE: responseStartTime is deprecated in favor of .timings
+ response.responseStartTime = self.responseStartTime
+ }
+ self._destdata = true
+ self.emit('data', chunk)
+ })
+ responseContent.once('end', function (chunk) {
+ self.emit('end', chunk)
+ })
+ responseContent.on('error', function (error) {
+ self.emit('error', error)
+ })
+ responseContent.on('close', function () { self.emit('close') })
+
+ if (self.callback) {
+ self.readResponseBody(response)
+ } else { // if no callback
+ self.on('end', function () {
+ if (self._aborted) {
+ debug('aborted', self.uri.href)
+ return
+ }
+ self.emit('complete', response)
+ })
+ }
+ }
+ debug('finish init function', self.uri.href)
+}
+
+Request.prototype.readResponseBody = function (response) {
+ var self = this
+ debug("reading response's body")
+ var buffers = []
+ var bufferLength = 0
+ var strings = []
+
+ self.on('data', function (chunk) {
+ if (!Buffer.isBuffer(chunk)) {
+ strings.push(chunk)
+ } else if (chunk.length) {
+ bufferLength += chunk.length
+ buffers.push(chunk)
+ }
+ })
+ self.on('end', function () {
+ debug('end event', self.uri.href)
+ if (self._aborted) {
+ debug('aborted', self.uri.href)
+ // `buffer` is defined in the parent scope and used in a closure it exists for the life of the request.
+ // This can lead to leaky behavior if the user retains a reference to the request object.
+ buffers = []
+ bufferLength = 0
+ return
+ }
+
+ if (bufferLength) {
+ debug('has body', self.uri.href, bufferLength)
+ response.body = Buffer.concat(buffers, bufferLength)
+ if (self.encoding !== null) {
+ response.body = response.body.toString(self.encoding)
+ }
+ // `buffer` is defined in the parent scope and used in a closure it exists for the life of the Request.
+ // This can lead to leaky behavior if the user retains a reference to the request object.
+ buffers = []
+ bufferLength = 0
+ } else if (strings.length) {
+ // The UTF8 BOM [0xEF,0xBB,0xBF] is converted to [0xFE,0xFF] in the JS UTC16/UCS2 representation.
+ // Strip this value out when the encoding is set to 'utf8', as upstream consumers won't expect it and it breaks JSON.parse().
+ if (self.encoding === 'utf8' && strings[0].length > 0 && strings[0][0] === '\uFEFF') {
+ strings[0] = strings[0].substring(1)
+ }
+ response.body = strings.join('')
+ }
+
+ if (self._json) {
+ try {
+ response.body = JSON.parse(response.body, self._jsonReviver)
+ } catch (e) {
+ debug('invalid JSON received', self.uri.href)
+ }
+ }
+ debug('emitting complete', self.uri.href)
+ if (typeof response.body === 'undefined' && !self._json) {
+ response.body = self.encoding === null ? Buffer.alloc(0) : ''
+ }
+ self.emit('complete', response, response.body)
+ })
+}
+
+Request.prototype.abort = function () {
+ var self = this
+ self._aborted = true
+
+ if (self.req) {
+ self.req.abort()
+ } else if (self.response) {
+ self.response.destroy()
+ }
+
+ self.emit('abort')
+}
+
+Request.prototype.pipeDest = function (dest) {
+ var self = this
+ var response = self.response
+ // Called after the response is received
+ if (dest.headers && !dest.headersSent) {
+ if (response.caseless.has('content-type')) {
+ var ctname = response.caseless.has('content-type')
+ if (dest.setHeader) {
+ dest.setHeader(ctname, response.headers[ctname])
+ } else {
+ dest.headers[ctname] = response.headers[ctname]
+ }
+ }
+
+ if (response.caseless.has('content-length')) {
+ var clname = response.caseless.has('content-length')
+ if (dest.setHeader) {
+ dest.setHeader(clname, response.headers[clname])
+ } else {
+ dest.headers[clname] = response.headers[clname]
+ }
+ }
+ }
+ if (dest.setHeader && !dest.headersSent) {
+ for (var i in response.headers) {
+ // If the response content is being decoded, the Content-Encoding header
+ // of the response doesn't represent the piped content, so don't pass it.
+ if (!self.gzip || i !== 'content-encoding') {
+ dest.setHeader(i, response.headers[i])
+ }
+ }
+ dest.statusCode = response.statusCode
+ }
+ if (self.pipefilter) {
+ self.pipefilter(response, dest)
+ }
+}
+
+Request.prototype.qs = function (q, clobber) {
+ var self = this
+ var base
+ if (!clobber && self.uri.query) {
+ base = self._qs.parse(self.uri.query)
+ } else {
+ base = {}
+ }
+
+ for (var i in q) {
+ base[i] = q[i]
+ }
+
+ var qs = self._qs.stringify(base)
+
+ if (qs === '') {
+ return self
+ }
+
+ self.uri = url.parse(self.uri.href.split('?')[0] + '?' + qs)
+ self.url = self.uri
+ self.path = self.uri.path
+
+ if (self.uri.host === 'unix') {
+ self.enableUnixSocket()
+ }
+
+ return self
+}
+Request.prototype.form = function (form) {
+ var self = this
+ if (form) {
+ if (!/^application\/x-www-form-urlencoded\b/.test(self.getHeader('content-type'))) {
+ self.setHeader('content-type', 'application/x-www-form-urlencoded')
+ }
+ self.body = (typeof form === 'string')
+ ? self._qs.rfc3986(form.toString('utf8'))
+ : self._qs.stringify(form).toString('utf8')
+ return self
+ }
+ // create form-data object
+ self._form = new FormData()
+ self._form.on('error', function (err) {
+ err.message = 'form-data: ' + err.message
+ self.emit('error', err)
+ self.abort()
+ })
+ return self._form
+}
+Request.prototype.multipart = function (multipart) {
+ var self = this
+
+ self._multipart.onRequest(multipart)
+
+ if (!self._multipart.chunked) {
+ self.body = self._multipart.body
+ }
+
+ return self
+}
+Request.prototype.json = function (val) {
+ var self = this
+
+ if (!self.hasHeader('accept')) {
+ self.setHeader('accept', 'application/json')
+ }
+
+ if (typeof self.jsonReplacer === 'function') {
+ self._jsonReplacer = self.jsonReplacer
+ }
+
+ self._json = true
+ if (typeof val === 'boolean') {
+ if (self.body !== undefined) {
+ if (!/^application\/x-www-form-urlencoded\b/.test(self.getHeader('content-type'))) {
+ self.body = safeStringify(self.body, self._jsonReplacer)
+ } else {
+ self.body = self._qs.rfc3986(self.body)
+ }
+ if (!self.hasHeader('content-type')) {
+ self.setHeader('content-type', 'application/json')
+ }
+ }
+ } else {
+ self.body = safeStringify(val, self._jsonReplacer)
+ if (!self.hasHeader('content-type')) {
+ self.setHeader('content-type', 'application/json')
+ }
+ }
+
+ if (typeof self.jsonReviver === 'function') {
+ self._jsonReviver = self.jsonReviver
+ }
+
+ return self
+}
+Request.prototype.getHeader = function (name, headers) {
+ var self = this
+ var result, re, match
+ if (!headers) {
+ headers = self.headers
+ }
+ Object.keys(headers).forEach(function (key) {
+ if (key.length !== name.length) {
+ return
+ }
+ re = new RegExp(name, 'i')
+ match = key.match(re)
+ if (match) {
+ result = headers[key]
+ }
+ })
+ return result
+}
+Request.prototype.enableUnixSocket = function () {
+ // Get the socket & request paths from the URL
+ var unixParts = this.uri.path.split(':')
+ var host = unixParts[0]
+ var path = unixParts[1]
+ // Apply unix properties to request
+ this.socketPath = host
+ this.uri.pathname = path
+ this.uri.path = path
+ this.uri.host = host
+ this.uri.hostname = host
+ this.uri.isUnix = true
+}
+
+Request.prototype.auth = function (user, pass, sendImmediately, bearer) {
+ var self = this
+
+ self._auth.onRequest(user, pass, sendImmediately, bearer)
+
+ return self
+}
+Request.prototype.aws = function (opts, now) {
+ var self = this
+
+ if (!now) {
+ self._aws = opts
+ return self
+ }
+
+ if (opts.sign_version === 4 || opts.sign_version === '4') {
+ // use aws4
+ var options = {
+ host: self.uri.host,
+ path: self.uri.path,
+ method: self.method,
+ headers: {
+ 'content-type': self.getHeader('content-type') || ''
+ },
+ body: self.body
+ }
+ var signRes = aws4.sign(options, {
+ accessKeyId: opts.key,
+ secretAccessKey: opts.secret,
+ sessionToken: opts.session
+ })
+ self.setHeader('authorization', signRes.headers.Authorization)
+ self.setHeader('x-amz-date', signRes.headers['X-Amz-Date'])
+ if (signRes.headers['X-Amz-Security-Token']) {
+ self.setHeader('x-amz-security-token', signRes.headers['X-Amz-Security-Token'])
+ }
+ } else {
+ // default: use aws-sign2
+ var date = new Date()
+ self.setHeader('date', date.toUTCString())
+ var auth = {
+ key: opts.key,
+ secret: opts.secret,
+ verb: self.method.toUpperCase(),
+ date: date,
+ contentType: self.getHeader('content-type') || '',
+ md5: self.getHeader('content-md5') || '',
+ amazonHeaders: aws2.canonicalizeHeaders(self.headers)
+ }
+ var path = self.uri.path
+ if (opts.bucket && path) {
+ auth.resource = '/' + opts.bucket + path
+ } else if (opts.bucket && !path) {
+ auth.resource = '/' + opts.bucket
+ } else if (!opts.bucket && path) {
+ auth.resource = path
+ } else if (!opts.bucket && !path) {
+ auth.resource = '/'
+ }
+ auth.resource = aws2.canonicalizeResource(auth.resource)
+ self.setHeader('authorization', aws2.authorization(auth))
+ }
+
+ return self
+}
+Request.prototype.httpSignature = function (opts) {
+ var self = this
+ httpSignature.signRequest({
+ getHeader: function (header) {
+ return self.getHeader(header, self.headers)
+ },
+ setHeader: function (header, value) {
+ self.setHeader(header, value)
+ },
+ method: self.method,
+ path: self.path
+ }, opts)
+ debug('httpSignature authorization', self.getHeader('authorization'))
+
+ return self
+}
+Request.prototype.hawk = function (opts) {
+ var self = this
+ self.setHeader('Authorization', hawk.client.header(self.uri, self.method, opts).field)
+}
+Request.prototype.oauth = function (_oauth) {
+ var self = this
+
+ self._oauth.onRequest(_oauth)
+
+ return self
+}
+
+Request.prototype.jar = function (jar) {
+ var self = this
+ var cookies
+
+ if (self._redirect.redirectsFollowed === 0) {
+ self.originalCookieHeader = self.getHeader('cookie')
+ }
+
+ if (!jar) {
+ // disable cookies
+ cookies = false
+ self._disableCookies = true
+ } else {
+ var targetCookieJar = (jar && jar.getCookieString) ? jar : globalCookieJar
+ var urihref = self.uri.href
+ // fetch cookie in the Specified host
+ if (targetCookieJar) {
+ cookies = targetCookieJar.getCookieString(urihref)
+ }
+ }
+
+ // if need cookie and cookie is not empty
+ if (cookies && cookies.length) {
+ if (self.originalCookieHeader) {
+ // Don't overwrite existing Cookie header
+ self.setHeader('cookie', self.originalCookieHeader + '; ' + cookies)
+ } else {
+ self.setHeader('cookie', cookies)
+ }
+ }
+ self._jar = jar
+ return self
+}
+
+// Stream API
+Request.prototype.pipe = function (dest, opts) {
+ var self = this
+
+ if (self.response) {
+ if (self._destdata) {
+ self.emit('error', new Error('You cannot pipe after data has been emitted from the response.'))
+ } else if (self._ended) {
+ self.emit('error', new Error('You cannot pipe after the response has been ended.'))
+ } else {
+ stream.Stream.prototype.pipe.call(self, dest, opts)
+ self.pipeDest(dest)
+ return dest
+ }
+ } else {
+ self.dests.push(dest)
+ stream.Stream.prototype.pipe.call(self, dest, opts)
+ return dest
+ }
+}
+Request.prototype.write = function () {
+ var self = this
+ if (self._aborted) { return }
+
+ if (!self._started) {
+ self.start()
+ }
+ if (self.req) {
+ return self.req.write.apply(self.req, arguments)
+ }
+}
+Request.prototype.end = function (chunk) {
+ var self = this
+ if (self._aborted) { return }
+
+ if (chunk) {
+ self.write(chunk)
+ }
+ if (!self._started) {
+ self.start()
+ }
+ if (self.req) {
+ self.req.end()
+ }
+}
+Request.prototype.pause = function () {
+ var self = this
+ if (!self.responseContent) {
+ self._paused = true
+ } else {
+ self.responseContent.pause.apply(self.responseContent, arguments)
+ }
+}
+Request.prototype.resume = function () {
+ var self = this
+ if (!self.responseContent) {
+ self._paused = false
+ } else {
+ self.responseContent.resume.apply(self.responseContent, arguments)
+ }
+}
+Request.prototype.destroy = function () {
+ var self = this
+ if (!self._ended) {
+ self.end()
+ } else if (self.response) {
+ self.response.destroy()
+ }
+}
+
+Request.defaultProxyHeaderWhiteList =
+ Tunnel.defaultProxyHeaderWhiteList.slice()
+
+Request.defaultProxyHeaderExclusiveList =
+ Tunnel.defaultProxyHeaderExclusiveList.slice()
+
+// Exports
+
+Request.prototype.toJSON = requestToJSON
+module.exports = Request
+
+}).call(this,require('_process'))
+},{"./lib/auth":380,"./lib/cookies":381,"./lib/getProxyFromURI":382,"./lib/har":383,"./lib/helpers":384,"./lib/multipart":385,"./lib/oauth":386,"./lib/querystring":387,"./lib/redirect":388,"./lib/tunnel":389,"_process":345,"aws-sign2":69,"aws4":70,"caseless":110,"extend":202,"forever-agent":208,"form-data":209,"hawk":247,"http":439,"http-signature":250,"https":255,"is-typedarray":283,"isstream":285,"mime-types":309,"performance-now":340,"safe-buffer":393,"stream":438,"stringstream":448,"url":839,"util":844,"zlib":105}],391:[function(require,module,exports){
+(function (process){
+var through = require('through');
+var nextTick = typeof setImmediate !== 'undefined'
+ ? setImmediate
+ : process.nextTick
+;
+
+module.exports = function (write, end) {
+ var tr = through(write, end);
+ tr.pause();
+ var resume = tr.resume;
+ var pause = tr.pause;
+ var paused = false;
+
+ tr.pause = function () {
+ paused = true;
+ return pause.apply(this, arguments);
+ };
+
+ tr.resume = function () {
+ paused = false;
+ return resume.apply(this, arguments);
+ };
+
+ nextTick(function () {
+ if (!paused) tr.resume();
+ });
+
+ return tr;
+};
+
+}).call(this,require('_process'))
+},{"_process":345,"through":457}],392:[function(require,module,exports){
+(function (Buffer){
+'use strict'
+var inherits = require('inherits')
+var HashBase = require('hash-base')
+
+function RIPEMD160 () {
+ HashBase.call(this, 64)
+
+ // state
+ this._a = 0x67452301
+ this._b = 0xefcdab89
+ this._c = 0x98badcfe
+ this._d = 0x10325476
+ this._e = 0xc3d2e1f0
+}
+
+inherits(RIPEMD160, HashBase)
+
+RIPEMD160.prototype._update = function () {
+ var m = new Array(16)
+ for (var i = 0; i < 16; ++i) m[i] = this._block.readInt32LE(i * 4)
+
+ var al = this._a
+ var bl = this._b
+ var cl = this._c
+ var dl = this._d
+ var el = this._e
+
+ // Mj = 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15
+ // K = 0x00000000
+ // Sj = 11, 14, 15, 12, 5, 8, 7, 9, 11, 13, 14, 15, 6, 7, 9, 8
+ al = fn1(al, bl, cl, dl, el, m[0], 0x00000000, 11); cl = rotl(cl, 10)
+ el = fn1(el, al, bl, cl, dl, m[1], 0x00000000, 14); bl = rotl(bl, 10)
+ dl = fn1(dl, el, al, bl, cl, m[2], 0x00000000, 15); al = rotl(al, 10)
+ cl = fn1(cl, dl, el, al, bl, m[3], 0x00000000, 12); el = rotl(el, 10)
+ bl = fn1(bl, cl, dl, el, al, m[4], 0x00000000, 5); dl = rotl(dl, 10)
+ al = fn1(al, bl, cl, dl, el, m[5], 0x00000000, 8); cl = rotl(cl, 10)
+ el = fn1(el, al, bl, cl, dl, m[6], 0x00000000, 7); bl = rotl(bl, 10)
+ dl = fn1(dl, el, al, bl, cl, m[7], 0x00000000, 9); al = rotl(al, 10)
+ cl = fn1(cl, dl, el, al, bl, m[8], 0x00000000, 11); el = rotl(el, 10)
+ bl = fn1(bl, cl, dl, el, al, m[9], 0x00000000, 13); dl = rotl(dl, 10)
+ al = fn1(al, bl, cl, dl, el, m[10], 0x00000000, 14); cl = rotl(cl, 10)
+ el = fn1(el, al, bl, cl, dl, m[11], 0x00000000, 15); bl = rotl(bl, 10)
+ dl = fn1(dl, el, al, bl, cl, m[12], 0x00000000, 6); al = rotl(al, 10)
+ cl = fn1(cl, dl, el, al, bl, m[13], 0x00000000, 7); el = rotl(el, 10)
+ bl = fn1(bl, cl, dl, el, al, m[14], 0x00000000, 9); dl = rotl(dl, 10)
+ al = fn1(al, bl, cl, dl, el, m[15], 0x00000000, 8); cl = rotl(cl, 10)
+
+ // Mj = 7, 4, 13, 1, 10, 6, 15, 3, 12, 0, 9, 5, 2, 14, 11, 8
+ // K = 0x5a827999
+ // Sj = 7, 6, 8, 13, 11, 9, 7, 15, 7, 12, 15, 9, 11, 7, 13, 12
+ el = fn2(el, al, bl, cl, dl, m[7], 0x5a827999, 7); bl = rotl(bl, 10)
+ dl = fn2(dl, el, al, bl, cl, m[4], 0x5a827999, 6); al = rotl(al, 10)
+ cl = fn2(cl, dl, el, al, bl, m[13], 0x5a827999, 8); el = rotl(el, 10)
+ bl = fn2(bl, cl, dl, el, al, m[1], 0x5a827999, 13); dl = rotl(dl, 10)
+ al = fn2(al, bl, cl, dl, el, m[10], 0x5a827999, 11); cl = rotl(cl, 10)
+ el = fn2(el, al, bl, cl, dl, m[6], 0x5a827999, 9); bl = rotl(bl, 10)
+ dl = fn2(dl, el, al, bl, cl, m[15], 0x5a827999, 7); al = rotl(al, 10)
+ cl = fn2(cl, dl, el, al, bl, m[3], 0x5a827999, 15); el = rotl(el, 10)
+ bl = fn2(bl, cl, dl, el, al, m[12], 0x5a827999, 7); dl = rotl(dl, 10)
+ al = fn2(al, bl, cl, dl, el, m[0], 0x5a827999, 12); cl = rotl(cl, 10)
+ el = fn2(el, al, bl, cl, dl, m[9], 0x5a827999, 15); bl = rotl(bl, 10)
+ dl = fn2(dl, el, al, bl, cl, m[5], 0x5a827999, 9); al = rotl(al, 10)
+ cl = fn2(cl, dl, el, al, bl, m[2], 0x5a827999, 11); el = rotl(el, 10)
+ bl = fn2(bl, cl, dl, el, al, m[14], 0x5a827999, 7); dl = rotl(dl, 10)
+ al = fn2(al, bl, cl, dl, el, m[11], 0x5a827999, 13); cl = rotl(cl, 10)
+ el = fn2(el, al, bl, cl, dl, m[8], 0x5a827999, 12); bl = rotl(bl, 10)
+
+ // Mj = 3, 10, 14, 4, 9, 15, 8, 1, 2, 7, 0, 6, 13, 11, 5, 12
+ // K = 0x6ed9eba1
+ // Sj = 11, 13, 6, 7, 14, 9, 13, 15, 14, 8, 13, 6, 5, 12, 7, 5
+ dl = fn3(dl, el, al, bl, cl, m[3], 0x6ed9eba1, 11); al = rotl(al, 10)
+ cl = fn3(cl, dl, el, al, bl, m[10], 0x6ed9eba1, 13); el = rotl(el, 10)
+ bl = fn3(bl, cl, dl, el, al, m[14], 0x6ed9eba1, 6); dl = rotl(dl, 10)
+ al = fn3(al, bl, cl, dl, el, m[4], 0x6ed9eba1, 7); cl = rotl(cl, 10)
+ el = fn3(el, al, bl, cl, dl, m[9], 0x6ed9eba1, 14); bl = rotl(bl, 10)
+ dl = fn3(dl, el, al, bl, cl, m[15], 0x6ed9eba1, 9); al = rotl(al, 10)
+ cl = fn3(cl, dl, el, al, bl, m[8], 0x6ed9eba1, 13); el = rotl(el, 10)
+ bl = fn3(bl, cl, dl, el, al, m[1], 0x6ed9eba1, 15); dl = rotl(dl, 10)
+ al = fn3(al, bl, cl, dl, el, m[2], 0x6ed9eba1, 14); cl = rotl(cl, 10)
+ el = fn3(el, al, bl, cl, dl, m[7], 0x6ed9eba1, 8); bl = rotl(bl, 10)
+ dl = fn3(dl, el, al, bl, cl, m[0], 0x6ed9eba1, 13); al = rotl(al, 10)
+ cl = fn3(cl, dl, el, al, bl, m[6], 0x6ed9eba1, 6); el = rotl(el, 10)
+ bl = fn3(bl, cl, dl, el, al, m[13], 0x6ed9eba1, 5); dl = rotl(dl, 10)
+ al = fn3(al, bl, cl, dl, el, m[11], 0x6ed9eba1, 12); cl = rotl(cl, 10)
+ el = fn3(el, al, bl, cl, dl, m[5], 0x6ed9eba1, 7); bl = rotl(bl, 10)
+ dl = fn3(dl, el, al, bl, cl, m[12], 0x6ed9eba1, 5); al = rotl(al, 10)
+
+ // Mj = 1, 9, 11, 10, 0, 8, 12, 4, 13, 3, 7, 15, 14, 5, 6, 2
+ // K = 0x8f1bbcdc
+ // Sj = 11, 12, 14, 15, 14, 15, 9, 8, 9, 14, 5, 6, 8, 6, 5, 12
+ cl = fn4(cl, dl, el, al, bl, m[1], 0x8f1bbcdc, 11); el = rotl(el, 10)
+ bl = fn4(bl, cl, dl, el, al, m[9], 0x8f1bbcdc, 12); dl = rotl(dl, 10)
+ al = fn4(al, bl, cl, dl, el, m[11], 0x8f1bbcdc, 14); cl = rotl(cl, 10)
+ el = fn4(el, al, bl, cl, dl, m[10], 0x8f1bbcdc, 15); bl = rotl(bl, 10)
+ dl = fn4(dl, el, al, bl, cl, m[0], 0x8f1bbcdc, 14); al = rotl(al, 10)
+ cl = fn4(cl, dl, el, al, bl, m[8], 0x8f1bbcdc, 15); el = rotl(el, 10)
+ bl = fn4(bl, cl, dl, el, al, m[12], 0x8f1bbcdc, 9); dl = rotl(dl, 10)
+ al = fn4(al, bl, cl, dl, el, m[4], 0x8f1bbcdc, 8); cl = rotl(cl, 10)
+ el = fn4(el, al, bl, cl, dl, m[13], 0x8f1bbcdc, 9); bl = rotl(bl, 10)
+ dl = fn4(dl, el, al, bl, cl, m[3], 0x8f1bbcdc, 14); al = rotl(al, 10)
+ cl = fn4(cl, dl, el, al, bl, m[7], 0x8f1bbcdc, 5); el = rotl(el, 10)
+ bl = fn4(bl, cl, dl, el, al, m[15], 0x8f1bbcdc, 6); dl = rotl(dl, 10)
+ al = fn4(al, bl, cl, dl, el, m[14], 0x8f1bbcdc, 8); cl = rotl(cl, 10)
+ el = fn4(el, al, bl, cl, dl, m[5], 0x8f1bbcdc, 6); bl = rotl(bl, 10)
+ dl = fn4(dl, el, al, bl, cl, m[6], 0x8f1bbcdc, 5); al = rotl(al, 10)
+ cl = fn4(cl, dl, el, al, bl, m[2], 0x8f1bbcdc, 12); el = rotl(el, 10)
+
+ // Mj = 4, 0, 5, 9, 7, 12, 2, 10, 14, 1, 3, 8, 11, 6, 15, 13
+ // K = 0xa953fd4e
+ // Sj = 9, 15, 5, 11, 6, 8, 13, 12, 5, 12, 13, 14, 11, 8, 5, 6
+ bl = fn5(bl, cl, dl, el, al, m[4], 0xa953fd4e, 9); dl = rotl(dl, 10)
+ al = fn5(al, bl, cl, dl, el, m[0], 0xa953fd4e, 15); cl = rotl(cl, 10)
+ el = fn5(el, al, bl, cl, dl, m[5], 0xa953fd4e, 5); bl = rotl(bl, 10)
+ dl = fn5(dl, el, al, bl, cl, m[9], 0xa953fd4e, 11); al = rotl(al, 10)
+ cl = fn5(cl, dl, el, al, bl, m[7], 0xa953fd4e, 6); el = rotl(el, 10)
+ bl = fn5(bl, cl, dl, el, al, m[12], 0xa953fd4e, 8); dl = rotl(dl, 10)
+ al = fn5(al, bl, cl, dl, el, m[2], 0xa953fd4e, 13); cl = rotl(cl, 10)
+ el = fn5(el, al, bl, cl, dl, m[10], 0xa953fd4e, 12); bl = rotl(bl, 10)
+ dl = fn5(dl, el, al, bl, cl, m[14], 0xa953fd4e, 5); al = rotl(al, 10)
+ cl = fn5(cl, dl, el, al, bl, m[1], 0xa953fd4e, 12); el = rotl(el, 10)
+ bl = fn5(bl, cl, dl, el, al, m[3], 0xa953fd4e, 13); dl = rotl(dl, 10)
+ al = fn5(al, bl, cl, dl, el, m[8], 0xa953fd4e, 14); cl = rotl(cl, 10)
+ el = fn5(el, al, bl, cl, dl, m[11], 0xa953fd4e, 11); bl = rotl(bl, 10)
+ dl = fn5(dl, el, al, bl, cl, m[6], 0xa953fd4e, 8); al = rotl(al, 10)
+ cl = fn5(cl, dl, el, al, bl, m[15], 0xa953fd4e, 5); el = rotl(el, 10)
+ bl = fn5(bl, cl, dl, el, al, m[13], 0xa953fd4e, 6); dl = rotl(dl, 10)
+
+ var ar = this._a
+ var br = this._b
+ var cr = this._c
+ var dr = this._d
+ var er = this._e
+
+ // M'j = 5, 14, 7, 0, 9, 2, 11, 4, 13, 6, 15, 8, 1, 10, 3, 12
+ // K' = 0x50a28be6
+ // S'j = 8, 9, 9, 11, 13, 15, 15, 5, 7, 7, 8, 11, 14, 14, 12, 6
+ ar = fn5(ar, br, cr, dr, er, m[5], 0x50a28be6, 8); cr = rotl(cr, 10)
+ er = fn5(er, ar, br, cr, dr, m[14], 0x50a28be6, 9); br = rotl(br, 10)
+ dr = fn5(dr, er, ar, br, cr, m[7], 0x50a28be6, 9); ar = rotl(ar, 10)
+ cr = fn5(cr, dr, er, ar, br, m[0], 0x50a28be6, 11); er = rotl(er, 10)
+ br = fn5(br, cr, dr, er, ar, m[9], 0x50a28be6, 13); dr = rotl(dr, 10)
+ ar = fn5(ar, br, cr, dr, er, m[2], 0x50a28be6, 15); cr = rotl(cr, 10)
+ er = fn5(er, ar, br, cr, dr, m[11], 0x50a28be6, 15); br = rotl(br, 10)
+ dr = fn5(dr, er, ar, br, cr, m[4], 0x50a28be6, 5); ar = rotl(ar, 10)
+ cr = fn5(cr, dr, er, ar, br, m[13], 0x50a28be6, 7); er = rotl(er, 10)
+ br = fn5(br, cr, dr, er, ar, m[6], 0x50a28be6, 7); dr = rotl(dr, 10)
+ ar = fn5(ar, br, cr, dr, er, m[15], 0x50a28be6, 8); cr = rotl(cr, 10)
+ er = fn5(er, ar, br, cr, dr, m[8], 0x50a28be6, 11); br = rotl(br, 10)
+ dr = fn5(dr, er, ar, br, cr, m[1], 0x50a28be6, 14); ar = rotl(ar, 10)
+ cr = fn5(cr, dr, er, ar, br, m[10], 0x50a28be6, 14); er = rotl(er, 10)
+ br = fn5(br, cr, dr, er, ar, m[3], 0x50a28be6, 12); dr = rotl(dr, 10)
+ ar = fn5(ar, br, cr, dr, er, m[12], 0x50a28be6, 6); cr = rotl(cr, 10)
+
+ // M'j = 6, 11, 3, 7, 0, 13, 5, 10, 14, 15, 8, 12, 4, 9, 1, 2
+ // K' = 0x5c4dd124
+ // S'j = 9, 13, 15, 7, 12, 8, 9, 11, 7, 7, 12, 7, 6, 15, 13, 11
+ er = fn4(er, ar, br, cr, dr, m[6], 0x5c4dd124, 9); br = rotl(br, 10)
+ dr = fn4(dr, er, ar, br, cr, m[11], 0x5c4dd124, 13); ar = rotl(ar, 10)
+ cr = fn4(cr, dr, er, ar, br, m[3], 0x5c4dd124, 15); er = rotl(er, 10)
+ br = fn4(br, cr, dr, er, ar, m[7], 0x5c4dd124, 7); dr = rotl(dr, 10)
+ ar = fn4(ar, br, cr, dr, er, m[0], 0x5c4dd124, 12); cr = rotl(cr, 10)
+ er = fn4(er, ar, br, cr, dr, m[13], 0x5c4dd124, 8); br = rotl(br, 10)
+ dr = fn4(dr, er, ar, br, cr, m[5], 0x5c4dd124, 9); ar = rotl(ar, 10)
+ cr = fn4(cr, dr, er, ar, br, m[10], 0x5c4dd124, 11); er = rotl(er, 10)
+ br = fn4(br, cr, dr, er, ar, m[14], 0x5c4dd124, 7); dr = rotl(dr, 10)
+ ar = fn4(ar, br, cr, dr, er, m[15], 0x5c4dd124, 7); cr = rotl(cr, 10)
+ er = fn4(er, ar, br, cr, dr, m[8], 0x5c4dd124, 12); br = rotl(br, 10)
+ dr = fn4(dr, er, ar, br, cr, m[12], 0x5c4dd124, 7); ar = rotl(ar, 10)
+ cr = fn4(cr, dr, er, ar, br, m[4], 0x5c4dd124, 6); er = rotl(er, 10)
+ br = fn4(br, cr, dr, er, ar, m[9], 0x5c4dd124, 15); dr = rotl(dr, 10)
+ ar = fn4(ar, br, cr, dr, er, m[1], 0x5c4dd124, 13); cr = rotl(cr, 10)
+ er = fn4(er, ar, br, cr, dr, m[2], 0x5c4dd124, 11); br = rotl(br, 10)
+
+ // M'j = 15, 5, 1, 3, 7, 14, 6, 9, 11, 8, 12, 2, 10, 0, 4, 13
+ // K' = 0x6d703ef3
+ // S'j = 9, 7, 15, 11, 8, 6, 6, 14, 12, 13, 5, 14, 13, 13, 7, 5
+ dr = fn3(dr, er, ar, br, cr, m[15], 0x6d703ef3, 9); ar = rotl(ar, 10)
+ cr = fn3(cr, dr, er, ar, br, m[5], 0x6d703ef3, 7); er = rotl(er, 10)
+ br = fn3(br, cr, dr, er, ar, m[1], 0x6d703ef3, 15); dr = rotl(dr, 10)
+ ar = fn3(ar, br, cr, dr, er, m[3], 0x6d703ef3, 11); cr = rotl(cr, 10)
+ er = fn3(er, ar, br, cr, dr, m[7], 0x6d703ef3, 8); br = rotl(br, 10)
+ dr = fn3(dr, er, ar, br, cr, m[14], 0x6d703ef3, 6); ar = rotl(ar, 10)
+ cr = fn3(cr, dr, er, ar, br, m[6], 0x6d703ef3, 6); er = rotl(er, 10)
+ br = fn3(br, cr, dr, er, ar, m[9], 0x6d703ef3, 14); dr = rotl(dr, 10)
+ ar = fn3(ar, br, cr, dr, er, m[11], 0x6d703ef3, 12); cr = rotl(cr, 10)
+ er = fn3(er, ar, br, cr, dr, m[8], 0x6d703ef3, 13); br = rotl(br, 10)
+ dr = fn3(dr, er, ar, br, cr, m[12], 0x6d703ef3, 5); ar = rotl(ar, 10)
+ cr = fn3(cr, dr, er, ar, br, m[2], 0x6d703ef3, 14); er = rotl(er, 10)
+ br = fn3(br, cr, dr, er, ar, m[10], 0x6d703ef3, 13); dr = rotl(dr, 10)
+ ar = fn3(ar, br, cr, dr, er, m[0], 0x6d703ef3, 13); cr = rotl(cr, 10)
+ er = fn3(er, ar, br, cr, dr, m[4], 0x6d703ef3, 7); br = rotl(br, 10)
+ dr = fn3(dr, er, ar, br, cr, m[13], 0x6d703ef3, 5); ar = rotl(ar, 10)
+
+ // M'j = 8, 6, 4, 1, 3, 11, 15, 0, 5, 12, 2, 13, 9, 7, 10, 14
+ // K' = 0x7a6d76e9
+ // S'j = 15, 5, 8, 11, 14, 14, 6, 14, 6, 9, 12, 9, 12, 5, 15, 8
+ cr = fn2(cr, dr, er, ar, br, m[8], 0x7a6d76e9, 15); er = rotl(er, 10)
+ br = fn2(br, cr, dr, er, ar, m[6], 0x7a6d76e9, 5); dr = rotl(dr, 10)
+ ar = fn2(ar, br, cr, dr, er, m[4], 0x7a6d76e9, 8); cr = rotl(cr, 10)
+ er = fn2(er, ar, br, cr, dr, m[1], 0x7a6d76e9, 11); br = rotl(br, 10)
+ dr = fn2(dr, er, ar, br, cr, m[3], 0x7a6d76e9, 14); ar = rotl(ar, 10)
+ cr = fn2(cr, dr, er, ar, br, m[11], 0x7a6d76e9, 14); er = rotl(er, 10)
+ br = fn2(br, cr, dr, er, ar, m[15], 0x7a6d76e9, 6); dr = rotl(dr, 10)
+ ar = fn2(ar, br, cr, dr, er, m[0], 0x7a6d76e9, 14); cr = rotl(cr, 10)
+ er = fn2(er, ar, br, cr, dr, m[5], 0x7a6d76e9, 6); br = rotl(br, 10)
+ dr = fn2(dr, er, ar, br, cr, m[12], 0x7a6d76e9, 9); ar = rotl(ar, 10)
+ cr = fn2(cr, dr, er, ar, br, m[2], 0x7a6d76e9, 12); er = rotl(er, 10)
+ br = fn2(br, cr, dr, er, ar, m[13], 0x7a6d76e9, 9); dr = rotl(dr, 10)
+ ar = fn2(ar, br, cr, dr, er, m[9], 0x7a6d76e9, 12); cr = rotl(cr, 10)
+ er = fn2(er, ar, br, cr, dr, m[7], 0x7a6d76e9, 5); br = rotl(br, 10)
+ dr = fn2(dr, er, ar, br, cr, m[10], 0x7a6d76e9, 15); ar = rotl(ar, 10)
+ cr = fn2(cr, dr, er, ar, br, m[14], 0x7a6d76e9, 8); er = rotl(er, 10)
+
+ // M'j = 12, 15, 10, 4, 1, 5, 8, 7, 6, 2, 13, 14, 0, 3, 9, 11
+ // K' = 0x00000000
+ // S'j = 8, 5, 12, 9, 12, 5, 14, 6, 8, 13, 6, 5, 15, 13, 11, 11
+ br = fn1(br, cr, dr, er, ar, m[12], 0x00000000, 8); dr = rotl(dr, 10)
+ ar = fn1(ar, br, cr, dr, er, m[15], 0x00000000, 5); cr = rotl(cr, 10)
+ er = fn1(er, ar, br, cr, dr, m[10], 0x00000000, 12); br = rotl(br, 10)
+ dr = fn1(dr, er, ar, br, cr, m[4], 0x00000000, 9); ar = rotl(ar, 10)
+ cr = fn1(cr, dr, er, ar, br, m[1], 0x00000000, 12); er = rotl(er, 10)
+ br = fn1(br, cr, dr, er, ar, m[5], 0x00000000, 5); dr = rotl(dr, 10)
+ ar = fn1(ar, br, cr, dr, er, m[8], 0x00000000, 14); cr = rotl(cr, 10)
+ er = fn1(er, ar, br, cr, dr, m[7], 0x00000000, 6); br = rotl(br, 10)
+ dr = fn1(dr, er, ar, br, cr, m[6], 0x00000000, 8); ar = rotl(ar, 10)
+ cr = fn1(cr, dr, er, ar, br, m[2], 0x00000000, 13); er = rotl(er, 10)
+ br = fn1(br, cr, dr, er, ar, m[13], 0x00000000, 6); dr = rotl(dr, 10)
+ ar = fn1(ar, br, cr, dr, er, m[14], 0x00000000, 5); cr = rotl(cr, 10)
+ er = fn1(er, ar, br, cr, dr, m[0], 0x00000000, 15); br = rotl(br, 10)
+ dr = fn1(dr, er, ar, br, cr, m[3], 0x00000000, 13); ar = rotl(ar, 10)
+ cr = fn1(cr, dr, er, ar, br, m[9], 0x00000000, 11); er = rotl(er, 10)
+ br = fn1(br, cr, dr, er, ar, m[11], 0x00000000, 11); dr = rotl(dr, 10)
+
+ // change state
+ var t = (this._b + cl + dr) | 0
+ this._b = (this._c + dl + er) | 0
+ this._c = (this._d + el + ar) | 0
+ this._d = (this._e + al + br) | 0
+ this._e = (this._a + bl + cr) | 0
+ this._a = t
+}
+
+RIPEMD160.prototype._digest = function () {
+ // create padding and handle blocks
+ this._block[this._blockOffset++] = 0x80
+ if (this._blockOffset > 56) {
+ this._block.fill(0, this._blockOffset, 64)
+ this._update()
+ this._blockOffset = 0
+ }
+
+ this._block.fill(0, this._blockOffset, 56)
+ this._block.writeUInt32LE(this._length[0], 56)
+ this._block.writeUInt32LE(this._length[1], 60)
+ this._update()
+
+ // produce result
+ var buffer = new Buffer(20)
+ buffer.writeInt32LE(this._a, 0)
+ buffer.writeInt32LE(this._b, 4)
+ buffer.writeInt32LE(this._c, 8)
+ buffer.writeInt32LE(this._d, 12)
+ buffer.writeInt32LE(this._e, 16)
+ return buffer
+}
+
+function rotl (x, n) {
+ return (x << n) | (x >>> (32 - n))
+}
+
+function fn1 (a, b, c, d, e, m, k, s) {
+ return (rotl((a + (b ^ c ^ d) + m + k) | 0, s) + e) | 0
+}
+
+function fn2 (a, b, c, d, e, m, k, s) {
+ return (rotl((a + ((b & c) | ((~b) & d)) + m + k) | 0, s) + e) | 0
+}
+
+function fn3 (a, b, c, d, e, m, k, s) {
+ return (rotl((a + ((b | (~c)) ^ d) + m + k) | 0, s) + e) | 0
+}
+
+function fn4 (a, b, c, d, e, m, k, s) {
+ return (rotl((a + ((b & d) | (c & (~d))) + m + k) | 0, s) + e) | 0
+}
+
+function fn5 (a, b, c, d, e, m, k, s) {
+ return (rotl((a + (b ^ (c | (~d))) + m + k) | 0, s) + e) | 0
+}
+
+module.exports = RIPEMD160
+
+}).call(this,require("buffer").Buffer)
+},{"buffer":108,"hash-base":234,"inherits":279}],393:[function(require,module,exports){
+/* eslint-disable node/no-deprecated-api */
+var buffer = require('buffer')
+var Buffer = buffer.Buffer
+
+// alternative to using Object.keys for old browsers
+function copyProps (src, dst) {
+ for (var key in src) {
+ dst[key] = src[key]
+ }
+}
+if (Buffer.from && Buffer.alloc && Buffer.allocUnsafe && Buffer.allocUnsafeSlow) {
+ module.exports = buffer
+} else {
+ // Copy properties from require('buffer')
+ copyProps(buffer, exports)
+ exports.Buffer = SafeBuffer
+}
+
+function SafeBuffer (arg, encodingOrOffset, length) {
+ return Buffer(arg, encodingOrOffset, length)
+}
+
+// Copy static methods from Buffer
+copyProps(Buffer, SafeBuffer)
+
+SafeBuffer.from = function (arg, encodingOrOffset, length) {
+ if (typeof arg === 'number') {
+ throw new TypeError('Argument must not be a number')
+ }
+ return Buffer(arg, encodingOrOffset, length)
+}
+
+SafeBuffer.alloc = function (size, fill, encoding) {
+ if (typeof size !== 'number') {
+ throw new TypeError('Argument must be a number')
+ }
+ var buf = Buffer(size)
+ if (fill !== undefined) {
+ if (typeof encoding === 'string') {
+ buf.fill(fill, encoding)
+ } else {
+ buf.fill(fill)
+ }
+ } else {
+ buf.fill(0)
+ }
+ return buf
+}
+
+SafeBuffer.allocUnsafe = function (size) {
+ if (typeof size !== 'number') {
+ throw new TypeError('Argument must be a number')
+ }
+ return Buffer(size)
+}
+
+SafeBuffer.allocUnsafeSlow = function (size) {
+ if (typeof size !== 'number') {
+ throw new TypeError('Argument must be a number')
+ }
+ return buffer.SlowBuffer(size)
+}
+
+},{"buffer":108}],394:[function(require,module,exports){
+(function (Buffer){
+;(function (sax) { // wrapper for non-node envs
+ sax.parser = function (strict, opt) { return new SAXParser(strict, opt) }
+ sax.SAXParser = SAXParser
+ sax.SAXStream = SAXStream
+ sax.createStream = createStream
+
+ // When we pass the MAX_BUFFER_LENGTH position, start checking for buffer overruns.
+ // When we check, schedule the next check for MAX_BUFFER_LENGTH - (max(buffer lengths)),
+ // since that's the earliest that a buffer overrun could occur. This way, checks are
+ // as rare as required, but as often as necessary to ensure never crossing this bound.
+ // Furthermore, buffers are only tested at most once per write(), so passing a very
+ // large string into write() might have undesirable effects, but this is manageable by
+ // the caller, so it is assumed to be safe. Thus, a call to write() may, in the extreme
+ // edge case, result in creating at most one complete copy of the string passed in.
+ // Set to Infinity to have unlimited buffers.
+ sax.MAX_BUFFER_LENGTH = 64 * 1024
+
+ var buffers = [
+ 'comment', 'sgmlDecl', 'textNode', 'tagName', 'doctype',
+ 'procInstName', 'procInstBody', 'entity', 'attribName',
+ 'attribValue', 'cdata', 'script'
+ ]
+
+ sax.EVENTS = [
+ 'text',
+ 'processinginstruction',
+ 'sgmldeclaration',
+ 'doctype',
+ 'comment',
+ 'opentagstart',
+ 'attribute',
+ 'opentag',
+ 'closetag',
+ 'opencdata',
+ 'cdata',
+ 'closecdata',
+ 'error',
+ 'end',
+ 'ready',
+ 'script',
+ 'opennamespace',
+ 'closenamespace'
+ ]
+
+ function SAXParser (strict, opt) {
+ if (!(this instanceof SAXParser)) {
+ return new SAXParser(strict, opt)
+ }
+
+ var parser = this
+ clearBuffers(parser)
+ parser.q = parser.c = ''
+ parser.bufferCheckPosition = sax.MAX_BUFFER_LENGTH
+ parser.opt = opt || {}
+ parser.opt.lowercase = parser.opt.lowercase || parser.opt.lowercasetags
+ parser.looseCase = parser.opt.lowercase ? 'toLowerCase' : 'toUpperCase'
+ parser.tags = []
+ parser.closed = parser.closedRoot = parser.sawRoot = false
+ parser.tag = parser.error = null
+ parser.strict = !!strict
+ parser.noscript = !!(strict || parser.opt.noscript)
+ parser.state = S.BEGIN
+ parser.strictEntities = parser.opt.strictEntities
+ parser.ENTITIES = parser.strictEntities ? Object.create(sax.XML_ENTITIES) : Object.create(sax.ENTITIES)
+ parser.attribList = []
+
+ // namespaces form a prototype chain.
+ // it always points at the current tag,
+ // which protos to its parent tag.
+ if (parser.opt.xmlns) {
+ parser.ns = Object.create(rootNS)
+ }
+
+ // mostly just for error reporting
+ parser.trackPosition = parser.opt.position !== false
+ if (parser.trackPosition) {
+ parser.position = parser.line = parser.column = 0
+ }
+ emit(parser, 'onready')
+ }
+
+ if (!Object.create) {
+ Object.create = function (o) {
+ function F () {}
+ F.prototype = o
+ var newf = new F()
+ return newf
+ }
+ }
+
+ if (!Object.keys) {
+ Object.keys = function (o) {
+ var a = []
+ for (var i in o) if (o.hasOwnProperty(i)) a.push(i)
+ return a
+ }
+ }
+
+ function checkBufferLength (parser) {
+ var maxAllowed = Math.max(sax.MAX_BUFFER_LENGTH, 10)
+ var maxActual = 0
+ for (var i = 0, l = buffers.length; i < l; i++) {
+ var len = parser[buffers[i]].length
+ if (len > maxAllowed) {
+ // Text/cdata nodes can get big, and since they're buffered,
+ // we can get here under normal conditions.
+ // Avoid issues by emitting the text node now,
+ // so at least it won't get any bigger.
+ switch (buffers[i]) {
+ case 'textNode':
+ closeText(parser)
+ break
+
+ case 'cdata':
+ emitNode(parser, 'oncdata', parser.cdata)
+ parser.cdata = ''
+ break
+
+ case 'script':
+ emitNode(parser, 'onscript', parser.script)
+ parser.script = ''
+ break
+
+ default:
+ error(parser, 'Max buffer length exceeded: ' + buffers[i])
+ }
+ }
+ maxActual = Math.max(maxActual, len)
+ }
+ // schedule the next check for the earliest possible buffer overrun.
+ var m = sax.MAX_BUFFER_LENGTH - maxActual
+ parser.bufferCheckPosition = m + parser.position
+ }
+
+ function clearBuffers (parser) {
+ for (var i = 0, l = buffers.length; i < l; i++) {
+ parser[buffers[i]] = ''
+ }
+ }
+
+ function flushBuffers (parser) {
+ closeText(parser)
+ if (parser.cdata !== '') {
+ emitNode(parser, 'oncdata', parser.cdata)
+ parser.cdata = ''
+ }
+ if (parser.script !== '') {
+ emitNode(parser, 'onscript', parser.script)
+ parser.script = ''
+ }
+ }
+
+ SAXParser.prototype = {
+ end: function () { end(this) },
+ write: write,
+ resume: function () { this.error = null; return this },
+ close: function () { return this.write(null) },
+ flush: function () { flushBuffers(this) }
+ }
+
+ var Stream
+ try {
+ Stream = require('stream').Stream
+ } catch (ex) {
+ Stream = function () {}
+ }
+
+ var streamWraps = sax.EVENTS.filter(function (ev) {
+ return ev !== 'error' && ev !== 'end'
+ })
+
+ function createStream (strict, opt) {
+ return new SAXStream(strict, opt)
+ }
+
+ function SAXStream (strict, opt) {
+ if (!(this instanceof SAXStream)) {
+ return new SAXStream(strict, opt)
+ }
+
+ Stream.apply(this)
+
+ this._parser = new SAXParser(strict, opt)
+ this.writable = true
+ this.readable = true
+
+ var me = this
+
+ this._parser.onend = function () {
+ me.emit('end')
+ }
+
+ this._parser.onerror = function (er) {
+ me.emit('error', er)
+
+ // if didn't throw, then means error was handled.
+ // go ahead and clear error, so we can write again.
+ me._parser.error = null
+ }
+
+ this._decoder = null
+
+ streamWraps.forEach(function (ev) {
+ Object.defineProperty(me, 'on' + ev, {
+ get: function () {
+ return me._parser['on' + ev]
+ },
+ set: function (h) {
+ if (!h) {
+ me.removeAllListeners(ev)
+ me._parser['on' + ev] = h
+ return h
+ }
+ me.on(ev, h)
+ },
+ enumerable: true,
+ configurable: false
+ })
+ })
+ }
+
+ SAXStream.prototype = Object.create(Stream.prototype, {
+ constructor: {
+ value: SAXStream
+ }
+ })
+
+ SAXStream.prototype.write = function (data) {
+ if (typeof Buffer === 'function' &&
+ typeof Buffer.isBuffer === 'function' &&
+ Buffer.isBuffer(data)) {
+ if (!this._decoder) {
+ var SD = require('string_decoder').StringDecoder
+ this._decoder = new SD('utf8')
+ }
+ data = this._decoder.write(data)
+ }
+
+ this._parser.write(data.toString())
+ this.emit('data', data)
+ return true
+ }
+
+ SAXStream.prototype.end = function (chunk) {
+ if (chunk && chunk.length) {
+ this.write(chunk)
+ }
+ this._parser.end()
+ return true
+ }
+
+ SAXStream.prototype.on = function (ev, handler) {
+ var me = this
+ if (!me._parser['on' + ev] && streamWraps.indexOf(ev) !== -1) {
+ me._parser['on' + ev] = function () {
+ var args = arguments.length === 1 ? [arguments[0]] : Array.apply(null, arguments)
+ args.splice(0, 0, ev)
+ me.emit.apply(me, args)
+ }
+ }
+
+ return Stream.prototype.on.call(me, ev, handler)
+ }
+
+ // this really needs to be replaced with character classes.
+ // XML allows all manner of ridiculous numbers and digits.
+ var CDATA = '[CDATA['
+ var DOCTYPE = 'DOCTYPE'
+ var XML_NAMESPACE = 'http://www.w3.org/XML/1998/namespace'
+ var XMLNS_NAMESPACE = 'http://www.w3.org/2000/xmlns/'
+ var rootNS = { xml: XML_NAMESPACE, xmlns: XMLNS_NAMESPACE }
+
+ // http://www.w3.org/TR/REC-xml/#NT-NameStartChar
+ // This implementation works on strings, a single character at a time
+ // as such, it cannot ever support astral-plane characters (10000-EFFFF)
+ // without a significant breaking change to either this parser, or the
+ // JavaScript language. Implementation of an emoji-capable xml parser
+ // is left as an exercise for the reader.
+ var nameStart = /[:_A-Za-z\u00C0-\u00D6\u00D8-\u00F6\u00F8-\u02FF\u0370-\u037D\u037F-\u1FFF\u200C-\u200D\u2070-\u218F\u2C00-\u2FEF\u3001-\uD7FF\uF900-\uFDCF\uFDF0-\uFFFD]/
+
+ var nameBody = /[:_A-Za-z\u00C0-\u00D6\u00D8-\u00F6\u00F8-\u02FF\u0370-\u037D\u037F-\u1FFF\u200C-\u200D\u2070-\u218F\u2C00-\u2FEF\u3001-\uD7FF\uF900-\uFDCF\uFDF0-\uFFFD\u00B7\u0300-\u036F\u203F-\u2040.\d-]/
+
+ var entityStart = /[#:_A-Za-z\u00C0-\u00D6\u00D8-\u00F6\u00F8-\u02FF\u0370-\u037D\u037F-\u1FFF\u200C-\u200D\u2070-\u218F\u2C00-\u2FEF\u3001-\uD7FF\uF900-\uFDCF\uFDF0-\uFFFD]/
+ var entityBody = /[#:_A-Za-z\u00C0-\u00D6\u00D8-\u00F6\u00F8-\u02FF\u0370-\u037D\u037F-\u1FFF\u200C-\u200D\u2070-\u218F\u2C00-\u2FEF\u3001-\uD7FF\uF900-\uFDCF\uFDF0-\uFFFD\u00B7\u0300-\u036F\u203F-\u2040.\d-]/
+
+ function isWhitespace (c) {
+ return c === ' ' || c === '\n' || c === '\r' || c === '\t'
+ }
+
+ function isQuote (c) {
+ return c === '"' || c === '\''
+ }
+
+ function isAttribEnd (c) {
+ return c === '>' || isWhitespace(c)
+ }
+
+ function isMatch (regex, c) {
+ return regex.test(c)
+ }
+
+ function notMatch (regex, c) {
+ return !isMatch(regex, c)
+ }
+
+ var S = 0
+ sax.STATE = {
+ BEGIN: S++, // leading byte order mark or whitespace
+ BEGIN_WHITESPACE: S++, // leading whitespace
+ TEXT: S++, // general stuff
+ TEXT_ENTITY: S++, // & and such.
+ OPEN_WAKA: S++, // <
+ SGML_DECL: S++, //
+ SCRIPT: S++, //