| 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.CommonJsUsageWarnPlugin = void 0;
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| 11 | const path_1 = require("path");
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| 12 | const webpack_diagnostics_1 = require("../../utils/webpack-diagnostics");
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| 13 | // Webpack doesn't export these so the deep imports can potentially break.
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| 14 | const AMDDefineDependency = require('webpack/lib/dependencies/AMDDefineDependency');
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| 15 | const CommonJsRequireDependency = require('webpack/lib/dependencies/CommonJsRequireDependency');
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| 16 | class CommonJsUsageWarnPlugin {
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| 17 | constructor(options = {}) {
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| 18 | this.options = options;
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| 19 | this.shownWarnings = new Set();
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| 20 | this.allowedDependencies = new Set(this.options.allowedDependencies);
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| 21 | }
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| 22 | apply(compiler) {
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| 23 | compiler.hooks.compilation.tap('CommonJsUsageWarnPlugin', (compilation) => {
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| 24 | compilation.hooks.finishModules.tap('CommonJsUsageWarnPlugin', (modules) => {
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| 25 | var _a, _b;
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| 26 | const mainEntry = compilation.entries.get('main');
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| 27 | if (!mainEntry) {
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| 28 | return;
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| 29 | }
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| 30 | const mainModules = new Set(mainEntry.dependencies.map((dep) => compilation.moduleGraph.getModule(dep)));
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| 31 | for (const module of modules) {
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| 32 | const { dependencies, rawRequest } = module;
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| 33 | if (!rawRequest ||
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| 34 | rawRequest.startsWith('.') ||
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| 35 | path_1.isAbsolute(rawRequest) ||
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| 36 | this.allowedDependencies.has(rawRequest) ||
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| 37 | this.allowedDependencies.has(this.rawRequestToPackageName(rawRequest)) ||
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| 38 | rawRequest.startsWith('@angular/common/locales/')) {
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| 39 | /**
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| 40 | * Skip when:
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| 41 | * - module is absolute or relative.
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| 42 | * - module is allowed even if it's a CommonJS.
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| 43 | * - module is a locale imported from '@angular/common'.
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| 44 | */
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| 45 | continue;
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| 46 | }
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| 47 | if (this.hasCommonJsDependencies(compilation, dependencies)) {
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| 48 | // Dependency is CommonsJS or AMD.
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| 49 | const issuer = getIssuer(compilation, module);
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| 50 | // Check if it's parent issuer is also a CommonJS dependency.
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| 51 | // In case it is skip as an warning will be show for the parent CommonJS dependency.
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| 52 | const parentDependencies = (_a = getIssuer(compilation, issuer)) === null || _a === void 0 ? void 0 : _a.dependencies;
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| 53 | if (parentDependencies &&
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| 54 | this.hasCommonJsDependencies(compilation, parentDependencies, true)) {
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| 55 | continue;
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| 56 | }
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| 57 | // Find the main issuer (entry-point).
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| 58 | let mainIssuer = issuer;
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| 59 | let nextIssuer = getIssuer(compilation, mainIssuer);
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| 60 | while (nextIssuer) {
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| 61 | mainIssuer = nextIssuer;
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| 62 | nextIssuer = getIssuer(compilation, mainIssuer);
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| 63 | }
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| 64 | // Only show warnings for modules from main entrypoint.
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| 65 | // And if the issuer request is not from 'webpack-dev-server', as 'webpack-dev-server'
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| 66 | // will require CommonJS libraries for live reloading such as 'sockjs-node'.
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| 67 | if (mainIssuer && mainModules.has(mainIssuer)) {
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| 68 | const warning = `${(_b = issuer) === null || _b === void 0 ? void 0 : _b.userRequest} depends on '${rawRequest}'. ` +
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| 69 | 'CommonJS or AMD dependencies can cause optimization bailouts.\n' +
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| 70 | 'For more info see: https://angular.io/guide/build#configuring-commonjs-dependencies';
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| 71 | // Avoid showing the same warning multiple times when in 'watch' mode.
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| 72 | if (!this.shownWarnings.has(warning)) {
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| 73 | webpack_diagnostics_1.addWarning(compilation, warning);
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| 74 | this.shownWarnings.add(warning);
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| 75 | }
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| 76 | }
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| 77 | }
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| 78 | }
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| 79 | });
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| 80 | });
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| 81 | }
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| 82 | hasCommonJsDependencies(compilation, dependencies, checkParentModules = false) {
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| 83 | for (const dep of dependencies) {
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| 84 | if (dep instanceof CommonJsRequireDependency || dep instanceof AMDDefineDependency) {
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| 85 | return true;
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| 86 | }
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| 87 | if (checkParentModules) {
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| 88 | const module = getWebpackModule(compilation, dep);
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| 89 | if (module && this.hasCommonJsDependencies(compilation, module.dependencies)) {
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| 90 | return true;
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| 91 | }
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| 92 | }
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| 93 | }
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| 94 | return false;
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| 95 | }
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| 96 | rawRequestToPackageName(rawRequest) {
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| 97 | return rawRequest.startsWith('@')
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| 98 | ? // Scoped request ex: @angular/common/locale/en -> @angular/common
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| 99 | rawRequest.split('/', 2).join('/')
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| 100 | : // Non-scoped request ex: lodash/isEmpty -> lodash
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| 101 | rawRequest.split('/', 1)[0];
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| 102 | }
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| 103 | }
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| 104 | exports.CommonJsUsageWarnPlugin = CommonJsUsageWarnPlugin;
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| 105 | function getIssuer(compilation, module) {
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| 106 | if (!module) {
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| 107 | return null;
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| 108 | }
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| 109 | return compilation.moduleGraph.getIssuer(module);
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| 110 | }
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| 111 | function getWebpackModule(compilation, dependency) {
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| 112 | if (!dependency) {
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| 113 | return null;
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| 114 | }
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| 115 | return compilation.moduleGraph.getModule(dependency);
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| 116 | }
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