| [6a3a178] | 1 | "use strict";
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| 2 | /**
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| 3 | * @license
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| 4 | * Copyright Google LLC All Rights Reserved.
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| 5 | *
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| 6 | * Use of this source code is governed by an MIT-style license that can be
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| 7 | * found in the LICENSE file at https://angular.io/license
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| 8 | */
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| 9 | Object.defineProperty(exports, "__esModule", { value: true });
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| 10 | exports.DedupeModuleResolvePlugin = void 0;
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| 11 | const webpack_diagnostics_1 = require("../../utils/webpack-diagnostics");
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| 12 | // eslint-disable-next-line @typescript-eslint/no-explicit-any
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| 13 | function getResourceData(resolveData) {
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| 14 | const { descriptionFileData, relativePath } = resolveData.createData.resourceResolveData;
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| 15 | return {
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| 16 | packageName: descriptionFileData === null || descriptionFileData === void 0 ? void 0 : descriptionFileData.name,
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| 17 | packageVersion: descriptionFileData === null || descriptionFileData === void 0 ? void 0 : descriptionFileData.version,
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| 18 | relativePath,
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| 19 | resource: resolveData.createData.resource,
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| 20 | };
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| 21 | }
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| 22 | /**
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| 23 | * DedupeModuleResolvePlugin is a webpack plugin which dedupes modules with the same name and versions
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| 24 | * that are laid out in different parts of the node_modules tree.
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| 25 | *
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| 26 | * This is needed because Webpack relies on package managers to hoist modules and doesn't have any deduping logic.
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| 27 | *
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| 28 | * This is similar to how Webpack's 'NormalModuleReplacementPlugin' works
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| 29 | * @see https://github.com/webpack/webpack/blob/4a1f068828c2ab47537d8be30d542cd3a1076db4/lib/NormalModuleReplacementPlugin.js#L9
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| 30 | */
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| 31 | class DedupeModuleResolvePlugin {
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| 32 | constructor(options) {
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| 33 | this.options = options;
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| 34 | this.modules = new Map();
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| 35 | }
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| 36 | apply(compiler) {
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| 37 | compiler.hooks.compilation.tap('DedupeModuleResolvePlugin', (compilation, { normalModuleFactory }) => {
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| 38 | normalModuleFactory.hooks.afterResolve.tap('DedupeModuleResolvePlugin', (result) => {
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| 39 | var _a;
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| 40 | if (!result) {
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| 41 | return;
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| 42 | }
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| 43 | const { packageName, packageVersion, relativePath, resource } = getResourceData(result);
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| 44 | // Empty name or versions are no valid primary entrypoints of a library
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| 45 | if (!packageName || !packageVersion) {
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| 46 | return;
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| 47 | }
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| 48 | const moduleId = packageName + '@' + packageVersion + ':' + relativePath;
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| 49 | const prevResolvedModule = this.modules.get(moduleId);
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| 50 | if (!prevResolvedModule) {
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| 51 | // This is the first time we visit this module.
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| 52 | this.modules.set(moduleId, {
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| 53 | resource,
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| 54 | request: result.request,
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| 55 | });
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| 56 | return;
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| 57 | }
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| 58 | const { resource: prevResource, request: prevRequest } = prevResolvedModule;
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| 59 | if (resource === prevResource) {
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| 60 | // No deduping needed.
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| 61 | // Current path and previously resolved path are the same.
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| 62 | return;
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| 63 | }
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| 64 | if ((_a = this.options) === null || _a === void 0 ? void 0 : _a.verbose) {
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| 65 | webpack_diagnostics_1.addWarning(compilation, `[DedupeModuleResolvePlugin]: ${resource} -> ${prevResource}`);
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| 66 | }
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| 67 | // Alter current request with previously resolved module.
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| 68 | const createData = result.createData;
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| 69 | createData.resource = prevResource;
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| 70 | createData.userRequest = prevRequest;
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| 71 | });
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| 72 | });
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| 73 | }
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| 74 | }
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| 75 | exports.DedupeModuleResolvePlugin = DedupeModuleResolvePlugin;
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