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14 lines
1.1 KiB
TypeScript
14 lines
1.1 KiB
TypeScript
import type { Request, Response } from "express";
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import type { Range } from "./Range.js";
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export const getHeader = (name: string, req: Request) => req.headers[name];
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export const getRangeHeader: (req: Request) => string | string[] | undefined = getHeader.bind(null, "range");
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export const setHeader = (name: string, value: string, res: Response) => res.setHeader(name, value);
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export const setContentTypeHeader = setHeader.bind(null, "Content-Type");
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export const setContentLengthHeader = setHeader.bind(null, "Content-Length");
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export const setAcceptRangesHeader = setHeader.bind(null, "Accept-Ranges", "bytes");
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export const setContentRangeHeader = (range: Range | null, size: number, res: Response) =>
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setHeader("Content-Range", `bytes ${range ? `${range.start}-${range.end}` : "*"}/${size}`, res);
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export const setContentDispositionHeader = (fileName: string, res: Response) =>
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setHeader("Content-Disposition", `attachment; filename*=utf-8''${encodeURIComponent(fileName)}`, res);
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export const setCacheControlHeaderNoCache = setHeader.bind(null, "Cache-Control", "no-cache");
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