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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 | 136x 136x 136x 136x 136x 136x 136x 136x 136x 136x 136x 136x 136x 136x 136x 136x 136x 136x 136x 136x 136x 136x 136x 136x 447x 447x 447x 447x 419x 443x 28x 28x 1x 1x 27x 28x 28x 447x 3x 3x 443x 447x 136x | 'use strict';
const {
RegExpPrototypeExec,
decodeURIComponent,
} = primordials;
const { getOptionValue } = require('internal/options');
// Do not eagerly grab .manifest, it may be in TDZ
const policy = getOptionValue('--experimental-policy') ?
require('internal/process/policy') :
null;
const { Buffer } = require('buffer');
const fs = require('internal/fs/promises').exports;
const { URL } = require('internal/url');
const {
ERR_INVALID_URL,
ERR_INVALID_URL_SCHEME,
} = require('internal/errors').codes;
const readFileAsync = fs.readFile;
const DATA_URL_PATTERN = /^[^/]+\/[^,;]+(?:[^,]*?)(;base64)?,([\s\S]*)$/;
async function defaultGetSource(url, { format } = {}, defaultGetSource) {
const parsed = new URL(url);
let source;
if (parsed.protocol === 'file:') {
source = await readFileAsync(parsed);
} else if (parsed.protocol === 'data:') {
const match = RegExpPrototypeExec(DATA_URL_PATTERN, parsed.pathname);
if (!match) {
throw new ERR_INVALID_URL(url);
}
const { 1: base64, 2: body } = match;
source = Buffer.from(decodeURIComponent(body), base64 ? 'base64' : 'utf8');
} else {
throw new ERR_INVALID_URL_SCHEME(['file', 'data']);
}
if (policy?.manifest) {
policy.manifest.assertIntegrity(parsed, source);
}
return source;
}
exports.defaultGetSource = defaultGetSource;
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