@angular-devkit/build-angular
Version:
Angular Webpack Build Facade
88 lines (87 loc) • 3.59 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.dev/license
*/
Object.defineProperty(exports, "__esModule", { value: true });
exports.IndexHtmlWebpackPlugin = void 0;
const private_1 = require("@angular/build/private");
const node_path_1 = require("node:path");
const webpack_1 = require("webpack");
const error_1 = require("../../../utils/error");
const webpack_diagnostics_1 = require("../../../utils/webpack-diagnostics");
const PLUGIN_NAME = 'index-html-webpack-plugin';
class IndexHtmlWebpackPlugin extends private_1.IndexHtmlGenerator {
options;
_compilation;
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 ?? undefined,
file,
extension: (0, node_path_1.extname)(file),
});
}
}
const { csrContent: content, warnings, errors, } = await this.process({
files,
outputPath: (0, node_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, node_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;