@angular-devkit/build-angular
Version:
Angular Webpack Build Facade
121 lines • 18.7 kB
JavaScript
;
/**
* @license
* Copyright Google LLC All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
Object.defineProperty(exports, "__esModule", { value: true });
exports.CommonJsUsageWarnPlugin = void 0;
const path_1 = require("path");
const webpack_diagnostics_1 = require("../../../utils/webpack-diagnostics");
// Webpack doesn't export these so the deep imports can potentially break.
const AMDDefineDependency = require('webpack/lib/dependencies/AMDDefineDependency');
const CommonJsExportsDependency = require('webpack/lib/dependencies/CommonJsExportsDependency');
const CommonJsRequireDependency = require('webpack/lib/dependencies/CommonJsRequireDependency');
const CommonJsSelfReferenceDependency = require('webpack/lib/dependencies/CommonJsSelfReferenceDependency');
class CommonJsUsageWarnPlugin {
constructor(options = {}) {
this.options = options;
this.shownWarnings = new Set();
this.allowedDependencies = new Set(this.options.allowedDependencies);
}
apply(compiler) {
compiler.hooks.compilation.tap('CommonJsUsageWarnPlugin', (compilation) => {
compilation.hooks.finishModules.tap('CommonJsUsageWarnPlugin', (modules) => {
const mainEntry = compilation.entries.get('main');
if (!mainEntry) {
return;
}
const mainModules = new Set(mainEntry.dependencies.map((dep) => compilation.moduleGraph.getModule(dep)));
for (const module of modules) {
const { dependencies, rawRequest } = module;
if (!rawRequest ||
rawRequest.startsWith('.') ||
(0, path_1.isAbsolute)(rawRequest) ||
this.allowedDependencies.has(rawRequest) ||
this.allowedDependencies.has(this.rawRequestToPackageName(rawRequest)) ||
rawRequest.startsWith('@angular/common/locales/')) {
/**
* Skip when:
* - module is absolute or relative.
* - module is allowed even if it's a CommonJS.
* - module is a locale imported from '@angular/common'.
*/
continue;
}
if (this.hasCommonJsDependencies(compilation, dependencies)) {
// Dependency is CommonsJS or AMD.
const issuer = getIssuer(compilation, module);
// Check if it's parent issuer is also a CommonJS dependency.
// In case it is skip as an warning will be show for the parent CommonJS dependency.
const parentDependencies = getIssuer(compilation, issuer)?.dependencies;
if (parentDependencies &&
this.hasCommonJsDependencies(compilation, parentDependencies, true)) {
continue;
}
// Find the main issuer (entry-point).
let mainIssuer = issuer;
let nextIssuer = getIssuer(compilation, mainIssuer);
while (nextIssuer) {
mainIssuer = nextIssuer;
nextIssuer = getIssuer(compilation, mainIssuer);
}
// Only show warnings for modules from main entrypoint.
// And if the issuer request is not from 'webpack-dev-server', as 'webpack-dev-server'
// will require CommonJS libraries for live reloading such as 'sockjs-node'.
if (mainIssuer && mainModules.has(mainIssuer)) {
const warning = `${issuer?.userRequest} depends on '${rawRequest}'. ` +
'CommonJS or AMD dependencies can cause optimization bailouts.\n' +
'For more info see: https://angular.io/guide/build#configuring-commonjs-dependencies';
// Avoid showing the same warning multiple times when in 'watch' mode.
if (!this.shownWarnings.has(warning)) {
(0, webpack_diagnostics_1.addWarning)(compilation, warning);
this.shownWarnings.add(warning);
}
}
}
}
});
});
}
hasCommonJsDependencies(compilation, dependencies, checkParentModules = false) {
for (const dep of dependencies) {
if (dep instanceof CommonJsRequireDependency ||
dep instanceof CommonJsExportsDependency ||
dep instanceof CommonJsSelfReferenceDependency ||
dep instanceof AMDDefineDependency) {
return true;
}
if (checkParentModules) {
const module = getWebpackModule(compilation, dep);
if (module && this.hasCommonJsDependencies(compilation, module.dependencies)) {
return true;
}
}
}
return false;
}
rawRequestToPackageName(rawRequest) {
return rawRequest.startsWith('@')
? // Scoped request ex: @angular/common/locale/en -> @angular/common
rawRequest.split('/', 2).join('/')
: // Non-scoped request ex: lodash/isEmpty -> lodash
rawRequest.split('/', 1)[0];
}
}
exports.CommonJsUsageWarnPlugin = CommonJsUsageWarnPlugin;
function getIssuer(compilation, module) {
if (!module) {
return null;
}
return compilation.moduleGraph.getIssuer(module);
}
function getWebpackModule(compilation, dependency) {
if (!dependency) {
return null;
}
return compilation.moduleGraph.getModule(dependency);
}
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* @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n\nimport { isAbsolute } from 'path';\nimport { Compilation, Compiler, Dependency, Module, NormalModule } from 'webpack';\nimport { addWarning } from '../../../utils/webpack-diagnostics';\n\n// Webpack doesn't export these so the deep imports can potentially break.\nconst AMDDefineDependency = require('webpack/lib/dependencies/AMDDefineDependency');\nconst CommonJsExportsDependency = require('webpack/lib/dependencies/CommonJsExportsDependency');\nconst CommonJsRequireDependency = require('webpack/lib/dependencies/CommonJsRequireDependency');\nconst CommonJsSelfReferenceDependency = require('webpack/lib/dependencies/CommonJsSelfReferenceDependency');\n\nexport interface CommonJsUsageWarnPluginOptions {\n  /** A list of CommonJS packages that are allowed to be used without a warning. */\n  allowedDependencies?: string[];\n}\n\nexport class CommonJsUsageWarnPlugin {\n  private shownWarnings = new Set<string>();\n  private allowedDependencies: Set<string>;\n\n  constructor(private options: CommonJsUsageWarnPluginOptions = {}) {\n    this.allowedDependencies = new Set(this.options.allowedDependencies);\n  }\n\n  apply(compiler: Compiler) {\n    compiler.hooks.compilation.tap('CommonJsUsageWarnPlugin', (compilation) => {\n      compilation.hooks.finishModules.tap('CommonJsUsageWarnPlugin', (modules) => {\n        const mainEntry = compilation.entries.get('main');\n        if (!mainEntry) {\n          return;\n        }\n        const mainModules = new Set(\n          mainEntry.dependencies.map((dep) => compilation.moduleGraph.getModule(dep)),\n        );\n\n        for (const module of modules) {\n          const { dependencies, rawRequest } = module as NormalModule;\n          if (\n            !rawRequest ||\n            rawRequest.startsWith('.') ||\n            isAbsolute(rawRequest) ||\n            this.allowedDependencies.has(rawRequest) ||\n            this.allowedDependencies.has(this.rawRequestToPackageName(rawRequest)) ||\n            rawRequest.startsWith('@angular/common/locales/')\n          ) {\n            /**\n             * Skip when:\n             * - module is absolute or relative.\n             * - module is allowed even if it's a CommonJS.\n             * - module is a locale imported from '@angular/common'.\n             */\n            continue;\n          }\n\n          if (this.hasCommonJsDependencies(compilation, dependencies)) {\n            // Dependency is CommonsJS or AMD.\n            const issuer = getIssuer(compilation, module);\n            // Check if it's parent issuer is also a CommonJS dependency.\n            // In case it is skip as an warning will be show for the parent CommonJS dependency.\n            const parentDependencies = getIssuer(compilation, issuer)?.dependencies;\n            if (\n              parentDependencies &&\n              this.hasCommonJsDependencies(compilation, parentDependencies, true)\n            ) {\n              continue;\n            }\n\n            // Find the main issuer (entry-point).\n            let mainIssuer = issuer;\n            let nextIssuer = getIssuer(compilation, mainIssuer);\n            while (nextIssuer) {\n              mainIssuer = nextIssuer;\n              nextIssuer = getIssuer(compilation, mainIssuer);\n            }\n\n            // Only show warnings for modules from main entrypoint.\n            // And if the issuer request is not from 'webpack-dev-server', as 'webpack-dev-server'\n            // will require CommonJS libraries for live reloading such as 'sockjs-node'.\n            if (mainIssuer && mainModules.has(mainIssuer)) {\n              const warning =\n                `${(issuer as NormalModule | null)?.userRequest} depends on '${rawRequest}'. ` +\n                'CommonJS or AMD dependencies can cause optimization bailouts.\\n' +\n                'For more info see: https://angular.io/guide/build#configuring-commonjs-dependencies';\n\n              // Avoid showing the same warning multiple times when in 'watch' mode.\n              if (!this.shownWarnings.has(warning)) {\n                addWarning(compilation, warning);\n                this.shownWarnings.add(warning);\n              }\n            }\n          }\n        }\n      });\n    });\n  }\n\n  private hasCommonJsDependencies(\n    compilation: Compilation,\n    dependencies: Dependency[],\n    checkParentModules = false,\n  ): boolean {\n    for (const dep of dependencies) {\n      if (\n        dep instanceof CommonJsRequireDependency ||\n        dep instanceof CommonJsExportsDependency ||\n        dep instanceof CommonJsSelfReferenceDependency ||\n        dep instanceof AMDDefineDependency\n      ) {\n        return true;\n      }\n\n      if (checkParentModules) {\n        const module = getWebpackModule(compilation, dep);\n        if (module && this.hasCommonJsDependencies(compilation, module.dependencies)) {\n          return true;\n        }\n      }\n    }\n\n    return false;\n  }\n\n  private rawRequestToPackageName(rawRequest: string): string {\n    return rawRequest.startsWith('@')\n      ? // Scoped request ex: @angular/common/locale/en -> @angular/common\n        rawRequest.split('/', 2).join('/')\n      : // Non-scoped request ex: lodash/isEmpty -> lodash\n        rawRequest.split('/', 1)[0];\n  }\n}\n\nfunction getIssuer(compilation: Compilation, module: Module | null): Module | null {\n  if (!module) {\n    return null;\n  }\n\n  return compilation.moduleGraph.getIssuer(module);\n}\n\nfunction getWebpackModule(compilation: Compilation, dependency: Dependency | null): Module | null {\n  if (!dependency) {\n    return null;\n  }\n\n  return compilation.moduleGraph.getModule(dependency);\n}\n"]}