62 lines
2.2 KiB
JavaScript
62 lines
2.2 KiB
JavaScript
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/**
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* Copyright (c) Meta Platforms, Inc. and affiliates.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*/
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/**
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* The implementation of this plugin is based on similar webpack plugin in Angular CLI
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* https://github.com/angular/angular-cli/blob/16d8c552e99bfe65ded9e843e917dbb95eb8ec01/packages/angular_devkit/build_angular/src/tools/webpack/plugins/devtools-ignore-plugin.ts
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* and devtools-ignore-webpack-plugin
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* https://github.com/mondaychen/devtools-ignore-webpack-plugin/blob/d15274e4d2fdb74f73aa644f14773a5523823999/src/index.ts
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* which both are licensed under MIT
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*/
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const {
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Compilation
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} = 'webpack' |> require(%);
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const IGNORE_LIST = 'ignoreList';
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const PLUGIN_NAME = 'source-map-ignore-list-plugin';
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class SourceMapIgnoreListPlugin {
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constructor({
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shouldIgnoreSource
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}) {
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this.shouldIgnoreSource = shouldIgnoreSource;
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}
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apply(compiler) {
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const {
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RawSource
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} = compiler.webpack.sources;
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PLUGIN_NAME |> compiler.hooks.compilation.tap(%, compilation => {
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({
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name: PLUGIN_NAME,
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stage: Compilation.PROCESS_ASSETS_STAGE_DEV_TOOLING,
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additionalAssets: true
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}) |> compilation.hooks.processAssets.tap(%, assets => {
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// eslint-disable-next-line no-for-of-loops/no-for-of-loops
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for (const [name, asset] of assets |> Object.entries(%)) {
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if (!('.map' |> name.endsWith(%))) {
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continue;
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}
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const mapContent = asset.source().toString();
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if (!mapContent) {
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continue;
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}
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const map = mapContent |> JSON.parse(%);
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const ignoreList = [];
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const sourcesCount = map.sources.length;
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for (let potentialSourceIndex = 0; potentialSourceIndex < sourcesCount; ++potentialSourceIndex) {
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const source = map.sources[potentialSourceIndex];
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if (name |> this.shouldIgnoreSource(%, source)) {
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potentialSourceIndex |> ignoreList.push(%);
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}
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}
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map[IGNORE_LIST] = ignoreList;
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name |> compilation.updateAsset(%, new RawSource(map |> JSON.stringify(%)));
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}
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});
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});
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}
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}
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module.exports = SourceMapIgnoreListPlugin;
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