mirror of https://github.com/nodejs/node.git
56 lines
1.5 KiB
JavaScript
56 lines
1.5 KiB
JavaScript
'use strict';
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const { internalBinding } = require('internal/bootstrap/loaders');
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const {
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setImportModuleDynamicallyCallback,
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setInitializeImportMetaObjectCallback
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} = internalBinding('module_wrap');
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const { getURLFromFilePath } = require('internal/url');
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const Loader = require('internal/loader/Loader');
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const path = require('path');
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const { URL } = require('url');
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function normalizeReferrerURL(referrer) {
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if (typeof referrer === 'string' && path.isAbsolute(referrer)) {
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return getURLFromFilePath(referrer).href;
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}
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return new URL(referrer).href;
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}
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function initializeImportMetaObject(wrap, meta) {
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meta.url = wrap.url;
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}
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let loaderResolve;
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exports.loaderPromise = new Promise((resolve, reject) => {
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loaderResolve = resolve;
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});
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exports.ESMLoader = undefined;
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exports.setup = function() {
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setInitializeImportMetaObjectCallback(initializeImportMetaObject);
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let ESMLoader = new Loader();
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const loaderPromise = (async () => {
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const userLoader = process.binding('config').userLoader;
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if (userLoader) {
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const hooks = await ESMLoader.import(
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userLoader, getURLFromFilePath(`${process.cwd()}/`).href);
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ESMLoader = new Loader();
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ESMLoader.hook(hooks);
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exports.ESMLoader = ESMLoader;
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}
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return ESMLoader;
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})();
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loaderResolve(loaderPromise);
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setImportModuleDynamicallyCallback(async (referrer, specifier) => {
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const loader = await loaderPromise;
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return loader.import(specifier, normalizeReferrerURL(referrer));
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});
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exports.ESMLoader = ESMLoader;
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};
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