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7b0ed4ba92
Add support for loading modules using percent-encoded URLs. PR-URL: https://github.com/nodejs/node/pull/37392 Backport-PR-URL: https://github.com/nodejs/node/pull/37859 Reviewed-By: Michaël Zasso <targos@protonmail.com> Reviewed-By: Bradley Farias <bradley.meck@gmail.com> Reviewed-By: Myles Borins <myles.borins@gmail.com> Reviewed-By: Jan Krems <jan.krems@gmail.com> Reviewed-By: Guy Bedford <guybedford@gmail.com> Reviewed-By: Luigi Pinca <luigipinca@gmail.com> Reviewed-By: Zijian Liu <lxxyxzj@gmail.com>
45 lines
1.3 KiB
JavaScript
45 lines
1.3 KiB
JavaScript
'use strict';
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const {
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decodeURIComponent,
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} = primordials;
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const { getOptionValue } = require('internal/options');
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const manifest = getOptionValue('--experimental-policy') ?
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require('internal/process/policy').manifest :
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null;
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const { Buffer } = require('buffer');
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const fs = require('fs');
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const { URL } = require('url');
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const { promisify } = require('internal/util');
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const {
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ERR_INVALID_URL,
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ERR_INVALID_URL_SCHEME,
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} = require('internal/errors').codes;
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const readFileAsync = promisify(fs.readFile);
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const DATA_URL_PATTERN = /^[^/]+\/[^,;]+(?:[^,]*?)(;base64)?,([\s\S]*)$/;
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async function defaultGetSource(url, { format } = {}, defaultGetSource) {
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const parsed = new URL(url);
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let source;
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if (parsed.protocol === 'file:') {
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source = await readFileAsync(parsed);
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} else if (parsed.protocol === 'data:') {
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const match = DATA_URL_PATTERN.exec(parsed.pathname);
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if (!match) {
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throw new ERR_INVALID_URL(url);
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}
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const { 1: base64, 2: body } = match;
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source = Buffer.from(decodeURIComponent(body), base64 ? 'base64' : 'utf8');
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} else {
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throw new ERR_INVALID_URL_SCHEME(['file', 'data']);
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}
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if (manifest) {
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manifest.assertIntegrity(parsed, source);
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}
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return { source };
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}
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exports.defaultGetSource = defaultGetSource;
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