@angular-devkit/build-angular
Version:
Angular Webpack Build Facade
170 lines • 24.3 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
*/
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
var desc = Object.getOwnPropertyDescriptor(m, k);
if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
desc = { enumerable: true, get: function() { return m[k]; } };
}
Object.defineProperty(o, k2, desc);
}) : (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
o["default"] = v;
});
var __importStar = (this && this.__importStar) || function (mod) {
if (mod && mod.__esModule) return mod;
var result = {};
if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
__setModuleDefault(result, mod);
return result;
};
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
const architect_1 = require("@angular-devkit/architect");
const fs = __importStar(require("fs"));
const path = __importStar(require("path"));
const piscina_1 = __importDefault(require("piscina"));
const utils_1 = require("../../utils");
const error_1 = require("../../utils/error");
const inline_critical_css_1 = require("../../utils/index-file/inline-critical-css");
const service_worker_1 = require("../../utils/service-worker");
const spinner_1 = require("../../utils/spinner");
async function _renderUniversal(options, context, browserResult, serverResult, spinner) {
// Get browser target options.
const browserTarget = (0, architect_1.targetFromTargetString)(options.browserTarget);
const rawBrowserOptions = (await context.getTargetOptions(browserTarget));
const browserBuilderName = await context.getBuilderNameForTarget(browserTarget);
const browserOptions = await context.validateOptions(rawBrowserOptions, browserBuilderName);
// Locate zone.js to load in the render worker
const root = context.workspaceRoot;
const zonePackage = require.resolve('zone.js', { paths: [root] });
const projectName = context.target && context.target.project;
if (!projectName) {
throw new Error('The builder requires a target.');
}
const projectMetadata = await context.getProjectMetadata(projectName);
const projectRoot = path.join(root, projectMetadata.root ?? '');
const { styles } = (0, utils_1.normalizeOptimization)(browserOptions.optimization);
const inlineCriticalCssProcessor = styles.inlineCritical
? new inline_critical_css_1.InlineCriticalCssProcessor({
minify: styles.minify,
deployUrl: browserOptions.deployUrl,
})
: undefined;
const renderWorker = new piscina_1.default({
filename: require.resolve('./render-worker'),
maxThreads: 1,
workerData: { zonePackage },
});
try {
for (const { path: outputPath, baseHref } of browserResult.outputs) {
const localeDirectory = path.relative(browserResult.baseOutputPath, outputPath);
const browserIndexOutputPath = path.join(outputPath, 'index.html');
const indexHtml = await fs.promises.readFile(browserIndexOutputPath, 'utf8');
const serverBundlePath = await _getServerModuleBundlePath(options, context, serverResult, localeDirectory);
let html = await renderWorker.run({
serverBundlePath,
document: indexHtml,
url: options.route,
});
// Overwrite the client index file.
const outputIndexPath = options.outputIndexPath
? path.join(root, options.outputIndexPath)
: browserIndexOutputPath;
if (inlineCriticalCssProcessor) {
const { content, warnings, errors } = await inlineCriticalCssProcessor.process(html, {
outputPath,
});
html = content;
if (warnings.length || errors.length) {
spinner.stop();
warnings.forEach((m) => context.logger.warn(m));
errors.forEach((m) => context.logger.error(m));
spinner.start();
}
}
await fs.promises.writeFile(outputIndexPath, html);
if (browserOptions.serviceWorker) {
await (0, service_worker_1.augmentAppWithServiceWorker)(projectRoot, root, outputPath, baseHref ?? '/', browserOptions.ngswConfigPath);
}
}
}
finally {
await renderWorker.destroy();
}
return browserResult;
}
async function _getServerModuleBundlePath(options, context, serverResult, browserLocaleDirectory) {
if (options.appModuleBundle) {
return path.join(context.workspaceRoot, options.appModuleBundle);
}
const { baseOutputPath = '' } = serverResult;
const outputPath = path.join(baseOutputPath, browserLocaleDirectory);
if (!fs.existsSync(outputPath)) {
throw new Error(`Could not find server output directory: ${outputPath}.`);
}
const re = /^main\.(?:[a-zA-Z0-9]{16}\.)?js$/;
const maybeMain = fs.readdirSync(outputPath).find((x) => re.test(x));
if (!maybeMain) {
throw new Error('Could not find the main bundle.');
}
return path.join(outputPath, maybeMain);
}
async function _appShellBuilder(options, context) {
const browserTarget = (0, architect_1.targetFromTargetString)(options.browserTarget);
const serverTarget = (0, architect_1.targetFromTargetString)(options.serverTarget);
// Never run the browser target in watch mode.
// If service worker is needed, it will be added in _renderUniversal();
const browserOptions = (await context.getTargetOptions(browserTarget));
const optimization = (0, utils_1.normalizeOptimization)(browserOptions.optimization);
optimization.styles.inlineCritical = false;
const browserTargetRun = await context.scheduleTarget(browserTarget, {
watch: false,
serviceWorker: false,
optimization: optimization,
});
const serverTargetRun = await context.scheduleTarget(serverTarget, {
watch: false,
});
let spinner;
try {
const [browserResult, serverResult] = await Promise.all([
browserTargetRun.result,
serverTargetRun.result,
]);
if (browserResult.success === false || browserResult.baseOutputPath === undefined) {
return browserResult;
}
else if (serverResult.success === false) {
return serverResult;
}
spinner = new spinner_1.Spinner();
spinner.start('Generating application shell...');
const result = await _renderUniversal(options, context, browserResult, serverResult, spinner);
spinner.succeed('Application shell generation complete.');
return result;
}
catch (err) {
spinner?.fail('Application shell generation failed.');
(0, error_1.assertIsError)(err);
return { success: false, error: err.message };
}
finally {
await Promise.all([browserTargetRun.stop(), serverTargetRun.stop()]);
}
}
exports.default = (0, architect_1.createBuilder)(_appShellBuilder);
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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 {\n  BuilderContext,\n  BuilderOutput,\n  createBuilder,\n  targetFromTargetString,\n} from '@angular-devkit/architect';\nimport { JsonObject } from '@angular-devkit/core';\nimport * as fs from 'fs';\nimport * as path from 'path';\nimport Piscina from 'piscina';\nimport { normalizeOptimization } from '../../utils';\nimport { assertIsError } from '../../utils/error';\nimport { InlineCriticalCssProcessor } from '../../utils/index-file/inline-critical-css';\nimport { augmentAppWithServiceWorker } from '../../utils/service-worker';\nimport { Spinner } from '../../utils/spinner';\nimport { BrowserBuilderOutput } from '../browser';\nimport { Schema as BrowserBuilderSchema } from '../browser/schema';\nimport { ServerBuilderOutput } from '../server';\nimport { Schema as BuildWebpackAppShellSchema } from './schema';\n\nasync function _renderUniversal(\n  options: BuildWebpackAppShellSchema,\n  context: BuilderContext,\n  browserResult: BrowserBuilderOutput,\n  serverResult: ServerBuilderOutput,\n  spinner: Spinner,\n): Promise<BrowserBuilderOutput> {\n  // Get browser target options.\n  const browserTarget = targetFromTargetString(options.browserTarget);\n  const rawBrowserOptions = (await context.getTargetOptions(browserTarget)) as JsonObject &\n    BrowserBuilderSchema;\n  const browserBuilderName = await context.getBuilderNameForTarget(browserTarget);\n  const browserOptions = await context.validateOptions<JsonObject & BrowserBuilderSchema>(\n    rawBrowserOptions,\n    browserBuilderName,\n  );\n\n  // Locate zone.js to load in the render worker\n  const root = context.workspaceRoot;\n  const zonePackage = require.resolve('zone.js', { paths: [root] });\n\n  const projectName = context.target && context.target.project;\n  if (!projectName) {\n    throw new Error('The builder requires a target.');\n  }\n\n  const projectMetadata = await context.getProjectMetadata(projectName);\n  const projectRoot = path.join(root, (projectMetadata.root as string | undefined) ?? '');\n\n  const { styles } = normalizeOptimization(browserOptions.optimization);\n  const inlineCriticalCssProcessor = styles.inlineCritical\n    ? new InlineCriticalCssProcessor({\n        minify: styles.minify,\n        deployUrl: browserOptions.deployUrl,\n      })\n    : undefined;\n\n  const renderWorker = new Piscina({\n    filename: require.resolve('./render-worker'),\n    maxThreads: 1,\n    workerData: { zonePackage },\n  });\n\n  try {\n    for (const { path: outputPath, baseHref } of browserResult.outputs) {\n      const localeDirectory = path.relative(browserResult.baseOutputPath, outputPath);\n      const browserIndexOutputPath = path.join(outputPath, 'index.html');\n      const indexHtml = await fs.promises.readFile(browserIndexOutputPath, 'utf8');\n      const serverBundlePath = await _getServerModuleBundlePath(\n        options,\n        context,\n        serverResult,\n        localeDirectory,\n      );\n\n      let html: string = await renderWorker.run({\n        serverBundlePath,\n        document: indexHtml,\n        url: options.route,\n      });\n\n      // Overwrite the client index file.\n      const outputIndexPath = options.outputIndexPath\n        ? path.join(root, options.outputIndexPath)\n        : browserIndexOutputPath;\n\n      if (inlineCriticalCssProcessor) {\n        const { content, warnings, errors } = await inlineCriticalCssProcessor.process(html, {\n          outputPath,\n        });\n        html = content;\n\n        if (warnings.length || errors.length) {\n          spinner.stop();\n          warnings.forEach((m) => context.logger.warn(m));\n          errors.forEach((m) => context.logger.error(m));\n          spinner.start();\n        }\n      }\n\n      await fs.promises.writeFile(outputIndexPath, html);\n\n      if (browserOptions.serviceWorker) {\n        await augmentAppWithServiceWorker(\n          projectRoot,\n          root,\n          outputPath,\n          baseHref ?? '/',\n          browserOptions.ngswConfigPath,\n        );\n      }\n    }\n  } finally {\n    await renderWorker.destroy();\n  }\n\n  return browserResult;\n}\n\nasync function _getServerModuleBundlePath(\n  options: BuildWebpackAppShellSchema,\n  context: BuilderContext,\n  serverResult: ServerBuilderOutput,\n  browserLocaleDirectory: string,\n) {\n  if (options.appModuleBundle) {\n    return path.join(context.workspaceRoot, options.appModuleBundle);\n  }\n\n  const { baseOutputPath = '' } = serverResult;\n  const outputPath = path.join(baseOutputPath, browserLocaleDirectory);\n\n  if (!fs.existsSync(outputPath)) {\n    throw new Error(`Could not find server output directory: ${outputPath}.`);\n  }\n\n  const re = /^main\\.(?:[a-zA-Z0-9]{16}\\.)?js$/;\n  const maybeMain = fs.readdirSync(outputPath).find((x) => re.test(x));\n\n  if (!maybeMain) {\n    throw new Error('Could not find the main bundle.');\n  }\n\n  return path.join(outputPath, maybeMain);\n}\n\nasync function _appShellBuilder(\n  options: BuildWebpackAppShellSchema,\n  context: BuilderContext,\n): Promise<BuilderOutput> {\n  const browserTarget = targetFromTargetString(options.browserTarget);\n  const serverTarget = targetFromTargetString(options.serverTarget);\n\n  // Never run the browser target in watch mode.\n  // If service worker is needed, it will be added in _renderUniversal();\n  const browserOptions = (await context.getTargetOptions(browserTarget)) as JsonObject &\n    BrowserBuilderSchema;\n\n  const optimization = normalizeOptimization(browserOptions.optimization);\n  optimization.styles.inlineCritical = false;\n\n  const browserTargetRun = await context.scheduleTarget(browserTarget, {\n    watch: false,\n    serviceWorker: false,\n    optimization: optimization as unknown as JsonObject,\n  });\n  const serverTargetRun = await context.scheduleTarget(serverTarget, {\n    watch: false,\n  });\n\n  let spinner: Spinner | undefined;\n\n  try {\n    const [browserResult, serverResult] = await Promise.all([\n      browserTargetRun.result as Promise<BrowserBuilderOutput>,\n      serverTargetRun.result as Promise<ServerBuilderOutput>,\n    ]);\n\n    if (browserResult.success === false || browserResult.baseOutputPath === undefined) {\n      return browserResult;\n    } else if (serverResult.success === false) {\n      return serverResult;\n    }\n\n    spinner = new Spinner();\n    spinner.start('Generating application shell...');\n    const result = await _renderUniversal(options, context, browserResult, serverResult, spinner);\n    spinner.succeed('Application shell generation complete.');\n\n    return result;\n  } catch (err) {\n    spinner?.fail('Application shell generation failed.');\n    assertIsError(err);\n\n    return { success: false, error: err.message };\n  } finally {\n    await Promise.all([browserTargetRun.stop(), serverTargetRun.stop()]);\n  }\n}\n\nexport default createBuilder(_appShellBuilder);\n"]}