TypeScript build-webpack.WebpackBuilder類代碼示例

  run(builderConfig: BuilderConfiguration<BrowserBuilderSchema>): Observable<BuildEvent> {
    const options = builderConfig.options;
    const root = this.context.workspace.root;
    const projectRoot = resolve(root, builderConfig.root);
    const host = new virtualFs.AliasHost(this.context.host as virtualFs.Host<fs.Stats>);
    const webpackBuilder = new WebpackBuilder({ ...this.context, host });

    return of(null).pipe(
      concatMap(() => options.deleteOutputPath
        ? this._deleteOutputDir(root, normalize(options.outputPath), this.context.host)
        : of(null)),
      concatMap(() => normalizeFileReplacements(options.fileReplacements, host, root)),
      tap(fileReplacements => options.fileReplacements = fileReplacements),
      concatMap(() => normalizeAssetPatterns(
        options.assets, host, root, projectRoot, builderConfig.sourceRoot)),
      // Replace the assets in options with the normalized version.
      tap((assetPatternObjects => options.assets = assetPatternObjects)),
      concatMap(() => {
        // Ensure Build Optimizer is only used with AOT.
        if (options.buildOptimizer && !options.aot) {
          throw new Error('The `--build-optimizer` option cannot be used without `--aot`.');
        }

        let webpackConfig;
        try {
          webpackConfig = this.buildWebpackConfig(root, projectRoot, host,
            options as NormalizedBrowserBuilderSchema);
        } catch (e) {
          return throwError(e);
        }

        return webpackBuilder.runWebpack(webpackConfig, getBrowserLoggingCb(options.verbose));
      }),
      concatMap(buildEvent => {
        if (buildEvent.success && !options.watch && options.serviceWorker) {
          return new Observable(obs => {
            augmentAppWithServiceWorker(
              this.context.host,
              root,
              projectRoot,
              resolve(root, normalize(options.outputPath)),
              options.baseHref || '/',
              options.ngswConfigPath,
            ).then(
              () => {
                obs.next({ success: true });
                obs.complete();
              },
              (err: Error) => {
                obs.error(err);
              },
            );
          });
        } else {
          return of(buildEvent);
        }
      }),
    );
  }

  run(builderConfig: BuilderConfiguration<ExtractI18nBuilderOptions>): Observable<BuildEvent> {
    const architect = this.context.architect;
    const options = builderConfig.options;
    const root = this.context.workspace.root;
    const projectRoot = resolve(root, builderConfig.root);
    const [project, targetName, configuration] = options.browserTarget.split(':');
    // Override browser build watch setting.
    const overrides = { watch: false };

    const browserTargetSpec = { project, target: targetName, configuration, overrides };
    const browserBuilderConfig = architect.getBuilderConfiguration<BrowserBuilderSchema>(
      browserTargetSpec);
    const webpackBuilder = new WebpackBuilder(this.context);

    const loggingCb: LoggingCallback = (stats, config, logger) => {
      const json = stats.toJson();
      if (stats.hasWarnings()) {
        this.context.logger.warn(statsWarningsToString(json, config.stats));
      }

      if (stats.hasErrors()) {
        this.context.logger.error(statsErrorsToString(json, config.stats));
      }
    };

    return architect.getBuilderDescription(browserBuilderConfig).pipe(
      concatMap(browserDescription =>
        architect.validateBuilderOptions(browserBuilderConfig, browserDescription)),
      map(browserBuilderConfig => browserBuilderConfig.options),
      concatMap((validatedBrowserOptions) => {
        const browserOptions = validatedBrowserOptions;

        // We need to determine the outFile name so that AngularCompiler can retrieve it.
        let outFile = options.outFile || getI18nOutfile(options.i18nFormat);
        if (options.outputPath) {
          // AngularCompilerPlugin doesn't support genDir so we have to adjust outFile instead.
          outFile = path.join(options.outputPath, outFile);
        }

        // Extracting i18n uses the browser target webpack config with some specific options.
        const webpackConfig = this.buildWebpackConfig(root, projectRoot, {
          // todo: remove this casting when 'CurrentFileReplacement' is changed to 'FileReplacement'
          ...(browserOptions as NormalizedBrowserBuilderSchema),
          optimization: false,
          i18nLocale: options.i18nLocale,
          i18nFormat: options.i18nFormat,
          i18nFile: outFile,
          aot: true,
          progress: options.progress,
          assets: [],
          scripts: [],
          styles: [],
        });

        return webpackBuilder.runWebpack(webpackConfig, loggingCb);
      }),
    );
  }

  run(builderConfig: BuilderConfiguration<BuildWebpackServerSchema>): Observable<BuildEvent> {
    const options = builderConfig.options;
    const root = this.context.workspace.root;
    const projectRoot = resolve(root, builderConfig.root);
    const host = new virtualFs.AliasHost(this.context.host as virtualFs.Host<Stats>);
    const webpackBuilder = new WebpackBuilder({ ...this.context, host });

    // TODO: verify using of(null) to kickstart things is a pattern.
    return of(null).pipe(
      concatMap(() => options.deleteOutputPath
        ? this._deleteOutputDir(root, normalize(options.outputPath), this.context.host)
        : of(null)),
      concatMap(() => addFileReplacements(root, host, options.fileReplacements)),
      concatMap(() => {
        const webpackConfig = this.buildWebpackConfig(root, projectRoot, host, options);

        return webpackBuilder.runWebpack(webpackConfig, getBrowserLoggingCb(options.verbose));
      }),
    );
  }

      concatMap((validatedBrowserOptions) => {
        const browserOptions = validatedBrowserOptions;

        // We need to determine the outFile name so that AngularCompiler can retrieve it.
        let outFile = options.outFile || getI18nOutfile(options.i18nFormat);
        if (options.outputPath) {
          // AngularCompilerPlugin doesn't support genDir so we have to adjust outFile instead.
          outFile = path.join(options.outputPath, outFile);
        }

        // Extracting i18n uses the browser target webpack config with some specific options.
        const webpackConfig = this.buildWebpackConfig(root, projectRoot, {
          // todo: remove this casting when 'CurrentFileReplacement' is changed to 'FileReplacement'
          ...(browserOptions as NormalizedBrowserBuilderSchema),
          optimization: {
            scripts: false,
            styles: false,
          },
          i18nLocale: options.i18nLocale,
          i18nFormat: options.i18nFormat,
          i18nFile: outFile,
          aot: true,
          progress: options.progress,
          assets: [],
          scripts: [],
          styles: [],
        });

        return webpackBuilder.runWebpack(webpackConfig, loggingCb);
      }),

      concatMap(() => {
        let webpackConfig;
        try {
          webpackConfig = this.buildWebpackConfig(root, projectRoot, host,
            options as NormalizedBrowserBuilderSchema);
        } catch (e) {
          return throwError(e);
        }

        return webpackBuilder.runWebpack(webpackConfig, getBrowserLoggingCb(options.verbose));
      }),

      concatMap(() => {
        // Ensure Build Optimizer is only used with AOT.
        if (options.buildOptimizer && !options.aot) {
          throw new Error('The `--build-optimizer` option cannot be used without `--aot`.');
        }

        let webpackConfig;
        try {
          webpackConfig = this.buildWebpackConfig(root, projectRoot, host,
            options as NormalizedBrowserBuilderSchema);
        } catch (e) {
          return throwError(e);
        }

        return webpackBuilder.runWebpack(webpackConfig, getBrowserLoggingCb(options.verbose));
      }),