95 lines
3.5 KiB
JavaScript
95 lines
3.5 KiB
JavaScript
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"use strict";
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Object.defineProperty(exports, "__esModule", {
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value: true
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});
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exports.configureESMLoader = configureESMLoader;
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exports.configureESMLoaderTransformConfig = configureESMLoaderTransformConfig;
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exports.esmLoaderRegistered = void 0;
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exports.incorporateCompilationCache = incorporateCompilationCache;
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exports.registerESMLoader = registerESMLoader;
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exports.startCollectingFileDeps = startCollectingFileDeps;
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exports.stopCollectingFileDeps = stopCollectingFileDeps;
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var _url = _interopRequireDefault(require("url"));
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var _compilationCache = require("../transform/compilationCache");
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var _portTransport = require("../transform/portTransport");
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var _transform = require("../transform/transform");
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function _interopRequireDefault(e) { return e && e.__esModule ? e : { default: e }; }
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/**
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* Copyright (c) Microsoft Corporation.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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let loaderChannel;
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// Node.js < 20
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if (globalThis.__esmLoaderPortPreV20) loaderChannel = createPortTransport(globalThis.__esmLoaderPortPreV20);
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// Node.js >= 20
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let esmLoaderRegistered = exports.esmLoaderRegistered = false;
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function registerESMLoader() {
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const {
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port1,
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port2
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} = new MessageChannel();
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// register will wait until the loader is initialized.
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require('node:module').register(_url.default.pathToFileURL(require.resolve('../transform/esmLoader')), {
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data: {
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port: port2
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},
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transferList: [port2]
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});
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loaderChannel = createPortTransport(port1);
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exports.esmLoaderRegistered = esmLoaderRegistered = true;
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}
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function createPortTransport(port) {
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return new _portTransport.PortTransport(port, async (method, params) => {
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if (method === 'pushToCompilationCache') (0, _compilationCache.addToCompilationCache)(params.cache);
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});
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}
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async function startCollectingFileDeps() {
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if (!loaderChannel) return;
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await loaderChannel.send('startCollectingFileDeps', {});
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}
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async function stopCollectingFileDeps(file) {
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if (!loaderChannel) return;
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await loaderChannel.send('stopCollectingFileDeps', {
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file
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});
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}
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async function incorporateCompilationCache() {
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if (!loaderChannel) return;
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// This is needed to gather dependency information from the esm loader
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// that is populated from the resolve hook. We do not need to push
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// this information proactively during load, but gather it at the end.
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const result = await loaderChannel.send('getCompilationCache', {});
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(0, _compilationCache.addToCompilationCache)(result.cache);
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}
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async function configureESMLoader() {
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if (!loaderChannel) return;
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await loaderChannel.send('setSingleTSConfig', {
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tsconfig: (0, _transform.singleTSConfig)()
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});
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await loaderChannel.send('addToCompilationCache', {
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cache: (0, _compilationCache.serializeCompilationCache)()
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});
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}
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async function configureESMLoaderTransformConfig() {
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if (!loaderChannel) return;
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await loaderChannel.send('setSingleTSConfig', {
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tsconfig: (0, _transform.singleTSConfig)()
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});
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await loaderChannel.send('setTransformConfig', {
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config: (0, _transform.transformConfig)()
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});
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}
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