copy paste, undo, redo, select all shortcuts supported on mac build

src/public/javascripts/services/bootstrap.js

@@ -104,6 +104,21 @@ if (utils.isElectron()) {
     });
 }
 
+function exec(cmd) {
+    document.execCommand(cmd);
+
+    return false;
+}
+
+if (utils.isElectron() && utils.isMac()) {
+    utils.bindShortcut('ctrl+c', () => exec("copy"));
+    utils.bindShortcut('ctrl+v', () => exec('paste'));
+    utils.bindShortcut('ctrl+x', () => exec('cut'));
+    utils.bindShortcut('ctrl+a', () => exec('selectAll'));
+    utils.bindShortcut('ctrl+z', () => exec('undo'));
+    utils.bindShortcut('ctrl+y', () => exec('redo'));
+}
+
 $("#export-note-button").click(function () {
     if ($(this).hasClass("disabled")) {
         return;

src/public/javascripts/services/utils.js

@@ -46,6 +46,10 @@ function isElectron() {
     return window && window.process && window.process.type;
 }
 
+function isMac() {
+    return navigator.platform.indexOf('Mac') > -1;
+}
+
 function assertArguments() {
     for (const i in arguments) {
         if (!arguments[i]) {
@@ -150,6 +154,7 @@ export default {
     formatDateTime,
     now,
     isElectron,
+    isMac,
     assertArguments,
     isTopLevelNode,
     isRootNode,