@angular-devkit/build-angular
Version:
Angular Webpack Build Facade
86 lines • 12 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.IndexHtmlWebpackPlugin = void 0;
const path_1 = require("path");
const webpack_1 = require("webpack");
const error_1 = require("../../../utils/error");
const index_html_generator_1 = require("../../../utils/index-file/index-html-generator");
const webpack_diagnostics_1 = require("../../../utils/webpack-diagnostics");
const PLUGIN_NAME = 'index-html-webpack-plugin';
class IndexHtmlWebpackPlugin extends index_html_generator_1.IndexHtmlGenerator {
get compilation() {
if (this._compilation) {
return this._compilation;
}
throw new Error('compilation is undefined.');
}
constructor(options) {
super(options);
this.options = options;
}
apply(compiler) {
compiler.hooks.thisCompilation.tap(PLUGIN_NAME, (compilation) => {
this._compilation = compilation;
compilation.hooks.processAssets.tapPromise({
name: PLUGIN_NAME,
stage: webpack_1.Compilation.PROCESS_ASSETS_STAGE_OPTIMIZE + 1,
}, callback);
});
const callback = async (assets) => {
const files = [];
try {
for (const chunk of this.compilation.chunks) {
for (const file of chunk.files) {
// https://github.com/webpack/webpack/blob/1f99ad6367f2b8a6ef17cce0e058f7a67fb7db18/lib/config/defaults.js#L1000
if (file.endsWith('.hot-update.js') || file.endsWith('.hot-update.mjs')) {
continue;
}
files.push({
name: chunk.name,
file,
extension: (0, path_1.extname)(file),
});
}
}
const { content, warnings, errors } = await this.process({
files,
outputPath: (0, path_1.dirname)(this.options.outputPath),
baseHref: this.options.baseHref,
lang: this.options.lang,
});
assets[this.options.outputPath] = new webpack_1.sources.RawSource(content);
warnings.forEach((msg) => (0, webpack_diagnostics_1.addWarning)(this.compilation, msg));
errors.forEach((msg) => (0, webpack_diagnostics_1.addError)(this.compilation, msg));
}
catch (error) {
(0, error_1.assertIsError)(error);
(0, webpack_diagnostics_1.addError)(this.compilation, error.message);
}
};
}
async readAsset(path) {
const data = this.compilation.assets[(0, path_1.basename)(path)].source();
return typeof data === 'string' ? data : data.toString();
}
async readIndex(path) {
return new Promise((resolve, reject) => {
this.compilation.inputFileSystem.readFile(path, (err, data) => {
if (err) {
reject(err);
return;
}
this.compilation.fileDependencies.add(path);
resolve(data?.toString() ?? '');
});
});
}
}
exports.IndexHtmlWebpackPlugin = IndexHtmlWebpackPlugin;
//# 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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 { basename, dirname, extname } from 'path';\nimport { Compilation, Compiler, sources } from 'webpack';\nimport { assertIsError } from '../../../utils/error';\nimport { FileInfo } from '../../../utils/index-file/augment-index-html';\nimport {\n  IndexHtmlGenerator,\n  IndexHtmlGeneratorOptions,\n  IndexHtmlGeneratorProcessOptions,\n} from '../../../utils/index-file/index-html-generator';\nimport { addError, addWarning } from '../../../utils/webpack-diagnostics';\n\nexport interface IndexHtmlWebpackPluginOptions\n  extends IndexHtmlGeneratorOptions,\n    Omit<IndexHtmlGeneratorProcessOptions, 'files'> {}\n\nconst PLUGIN_NAME = 'index-html-webpack-plugin';\nexport class IndexHtmlWebpackPlugin extends IndexHtmlGenerator {\n  private _compilation: Compilation | undefined;\n  get compilation(): Compilation {\n    if (this._compilation) {\n      return this._compilation;\n    }\n\n    throw new Error('compilation is undefined.');\n  }\n\n  constructor(override readonly options: IndexHtmlWebpackPluginOptions) {\n    super(options);\n  }\n\n  apply(compiler: Compiler) {\n    compiler.hooks.thisCompilation.tap(PLUGIN_NAME, (compilation) => {\n      this._compilation = compilation;\n      compilation.hooks.processAssets.tapPromise(\n        {\n          name: PLUGIN_NAME,\n          stage: Compilation.PROCESS_ASSETS_STAGE_OPTIMIZE + 1,\n        },\n        callback,\n      );\n    });\n\n    const callback = async (assets: Record<string, unknown>) => {\n      const files: FileInfo[] = [];\n\n      try {\n        for (const chunk of this.compilation.chunks) {\n          for (const file of chunk.files) {\n            // https://github.com/webpack/webpack/blob/1f99ad6367f2b8a6ef17cce0e058f7a67fb7db18/lib/config/defaults.js#L1000\n            if (file.endsWith('.hot-update.js') || file.endsWith('.hot-update.mjs')) {\n              continue;\n            }\n\n            files.push({\n              name: chunk.name,\n              file,\n              extension: extname(file),\n            });\n          }\n        }\n\n        const { content, warnings, errors } = await this.process({\n          files,\n          outputPath: dirname(this.options.outputPath),\n          baseHref: this.options.baseHref,\n          lang: this.options.lang,\n        });\n\n        assets[this.options.outputPath] = new sources.RawSource(content);\n\n        warnings.forEach((msg) => addWarning(this.compilation, msg));\n        errors.forEach((msg) => addError(this.compilation, msg));\n      } catch (error) {\n        assertIsError(error);\n        addError(this.compilation, error.message);\n      }\n    };\n  }\n\n  override async readAsset(path: string): Promise<string> {\n    const data = this.compilation.assets[basename(path)].source();\n\n    return typeof data === 'string' ? data : data.toString();\n  }\n\n  protected override async readIndex(path: string): Promise<string> {\n    return new Promise<string>((resolve, reject) => {\n      this.compilation.inputFileSystem.readFile(\n        path,\n        (err?: Error | null, data?: string | Buffer) => {\n          if (err) {\n            reject(err);\n\n            return;\n          }\n\n          this.compilation.fileDependencies.add(path);\n          resolve(data?.toString() ?? '');\n        },\n      );\n    });\n  }\n}\n"]}