Press n or j to go to the next uncovered block, b, p or k for the previous block.
| 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 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 | 147x 147x 147x 147x 147x 147x 147x 147x 147x 147x 147x 147x 147x 147x 147x 147x 147x 147x 147x 147x 147x 147x 147x 147x 147x 147x 147x 147x 147x 147x 147x 722x 722x 722x 722x 722x 626x 716x 36x 36x 1x 1x 35x 36x 96x 60x 30x 60x 60x 60x 60x 60x 722x 3x 3x 721x 722x 147x 147x 147x 147x 147x 147x 147x 147x 1258x 1258x 1258x 1258x 1258x 1258x 1258x 1258x 1258x 196x 175x 1237x 1237x 1237x 1237x 1250x 842x 1258x 502x 1175x 722x 721x 1223x 1223x 1223x 1223x 1223x 1223x 1258x 147x 147x 147x 147x | 'use strict';
const {
ArrayPrototypePush,
RegExpPrototypeExec,
decodeURIComponent,
} = primordials;
const { defaultGetFormat } = require('internal/modules/esm/get_format');
const { validateAssertions } = require('internal/modules/esm/assert');
const { getOptionValue } = require('internal/options');
const { fetchModule } = require('internal/modules/esm/fetch_module');
// Do not eagerly grab .manifest, it may be in TDZ
const policy = getOptionValue('--experimental-policy') ?
require('internal/process/policy') :
null;
const experimentalNetworkImports =
getOptionValue('--experimental-network-imports');
const { Buffer: { from: BufferFrom } } = require('buffer');
const { readFile: readFileAsync } = require('internal/fs/promises').exports;
const { URL } = require('internal/url');
const {
ERR_INVALID_URL,
ERR_UNSUPPORTED_ESM_URL_SCHEME,
} = require('internal/errors').codes;
const DATA_URL_PATTERN = /^[^/]+\/[^,;]+(?:[^,]*?)(;base64)?,([\s\S]*)$/;
async function getSource(url, context) {
const parsed = new URL(url);
let responseURL = 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 = BufferFrom(decodeURIComponent(body), base64 ? 'base64' : 'utf8');
} else if (experimentalNetworkImports && (
parsed.protocol === 'https:' ||
parsed.protocol === 'http:'
)) {
const res = await fetchModule(parsed, context);
source = await res.body;
responseURL = res.resolvedHREF;
} else {
const supportedSchemes = ['file', 'data'];
if (experimentalNetworkImports) {
ArrayPrototypePush(supportedSchemes, 'http', 'https');
}
throw new ERR_UNSUPPORTED_ESM_URL_SCHEME(parsed, supportedSchemes);
}
if (policy?.manifest) {
policy.manifest.assertIntegrity(parsed, source);
}
return { responseURL, source };
}
/**
* Node.js default load hook.
* @param {string} url
* @param {object} context
* @returns {object}
*/
async function defaultLoad(url, context) {
let responseURL = url;
const { importAssertions } = context;
let {
format,
source,
} = context;
if (format == null) {
format = await defaultGetFormat(url, context);
}
validateAssertions(url, format, importAssertions);
if (
format === 'builtin' ||
format === 'commonjs'
) {
source = null;
} else if (source == null) {
({ responseURL, source } = await getSource(url, context));
}
return {
format,
responseURL,
source,
};
}
module.exports = {
defaultLoad,
};
|