TypeScript schematics.apply函数代码示例

function addFilesToRoot(options: ApplicationOptions) {
  return chain([
    mergeWith(
      apply(url('./files/src'), [
        options.i18n ? noop() : filter(p => p.indexOf('i18n') === -1),
        options.form ? noop() : filter(p => p.indexOf('json-schema') === -1),
        template({
          utils: strings,
          ...options,
          dot: '.',
          VERSION,
          ZORROVERSION,
        }),
        move(appSourceRoot),
      ]),
    ),
    mergeWith(
      apply(url('./files/root'), [
        options.i18n ? noop() : filter(p => p.indexOf('i18n') === -1),
        options.form ? noop() : filter(p => p.indexOf('json-schema') === -1),
        template({
          utils: strings,
          ...options,
          dot: '.',
          VERSION,
          ZORROVERSION,
        }),
        move('/'),
      ]),
    ),
  ]);
}

  return (host: Tree, context: SchematicContext) => {
    const workspace = getWorkspace(host);
    if (!options.project) {
      throw new SchematicsException('Option "project" is required.');
    }
    const project = workspace.projects[options.project];
    if (project.projectType !== 'application') {
      throw new SchematicsException(`PWA requires a project type of "application".`);
    }

    const assetPath = join(project.root as Path, 'src', 'assets');
    const sourcePath = join(project.root as Path, 'src');

    options.title = options.title || options.project;

    const templateSource = apply(url('./files/assets'), [
      template({
        ...options,
      }),
      move(assetPath),
    ]);

    return chain([
      addServiceWorker(options),
      branchAndMerge(chain([
        mergeWith(templateSource),
      ])),
      mergeWith(apply(url('./files/root'), [
        template({...options}),
        move(sourcePath),
      ])),
      updateIndexFile(options),
      addManifestToAssetsConfig(options),
    ])(host, context);
  };

  return (tree: Tree, context: SchematicContext) => {
    if (!options.name) {
      throw new SchematicsException('name option is required.');
    }

    let collectionPath: Path | undefined;
    try {
      const packageJsonContent = tree.read('/package.json');
      if (packageJsonContent) {
        const packageJson = JSON.parse(packageJsonContent.toString('utf-8'));
        if ('schematics' in packageJson) {
          const p = normalize(packageJson['schematics']);
          if (tree.exists(p)) {
            collectionPath = p;
          }
        }
      }
    } catch (_) {
    }

    let source = apply(url('./schematic-files'), [
        applyTemplates({
          ...options as object,
          coreVersion,
          schematicsVersion,
          dot: '.',
          camelize: strings.camelize,
          dasherize: strings.dasherize,
        }),
      ]);

    // Simply create a new schematic project.
    if (!collectionPath) {
      collectionPath = normalize('/' + options.name + '/src/collection.json');
      source = apply(url('./project-files'), [
        applyTemplates({
          ...options as object,
          coreVersion,
          schematicsVersion,
          dot: '.',
          camelize: strings.camelize,
          dasherize: strings.dasherize,
        }),
        mergeWith(source),
        move(options.name),
      ]);

      context.addTask(new NodePackageInstallTask(options.name));
    }

    return chain([
      mergeWith(source),
      addSchematicToCollectionJson(collectionPath, strings.dasherize(options.name), {
        description: 'A blank schematic.',
        factory: './' + strings.dasherize(options.name) + '/index#' +
          strings.camelize(options.name),
      }),
    ]);
  };

  return async (host: Tree, context: SchematicContext) => {
    const workspace = await getWorkspace(host);

    const clientProject = workspace.projects.get(options.clientProject);
    if (!clientProject || clientProject.extensions.projectType !== 'application') {
      throw new SchematicsException(`Universal requires a project type of "application".`);
    }

    const clientBuildTarget = clientProject.targets.get('build');
    if (!clientBuildTarget) {
      throw targetBuildNotFoundError();
    }
    const clientBuildOptions =
      (clientBuildTarget.options || {}) as unknown as BrowserBuilderOptions;

    const outDir = getTsConfigOutDir(host, clientBuildOptions.tsConfig);

    const clientTsConfig = normalize(clientBuildOptions.tsConfig);
    const tsConfigExtends = basename(clientTsConfig);
    // this is needed because prior to version 8, tsconfig might have been in 'src'
    // and we don't want to break the 'ng add @nguniversal/express-engine schematics'
    const rootInSrc = clientProject.root === '' && clientTsConfig.includes('src/');
    const tsConfigDirectory = join(normalize(clientProject.root), rootInSrc ? 'src' : '');

    if (!options.skipInstall) {
      context.addTask(new NodePackageInstallTask());
    }

    const templateSource = apply(url('./files/src'), [
      applyTemplates({
        ...strings,
        ...options as object,
        stripTsExtension: (s: string) => s.replace(/\.ts$/, ''),
      }),
      move(join(normalize(clientProject.root), 'src')),
    ]);

    const rootSource = apply(url('./files/root'), [
      applyTemplates({
        ...strings,
        ...options as object,
        stripTsExtension: (s: string) => s.replace(/\.ts$/, ''),
        outDir,
        tsConfigExtends,
        rootInSrc,
      }),
      move(tsConfigDirectory),
    ]);

    return chain([
      mergeWith(templateSource),
      mergeWith(rootSource),
      addDependencies(),
      updateConfigFile(options, tsConfigDirectory),
      wrapBootstrapCall(clientBuildOptions.main),
      addServerTransition(options, clientBuildOptions.main, clientProject.root),
    ]);
  };

  return (host: Tree, context: SchematicContext) => {
    if (options.module) {
      options.module = findModuleFromOptions(host, options);
    }

    const templateSource = apply(url('./files'), [
      options.spec ? noop() : filter(path => !path.endsWith('__spec.ts')),
      template({
        ...stringUtils,
        'if-flat': (s: string) =>
          stringUtils.group(
            options.flat ? '' : s,
            options.group ? 'effects' : ''
          ),
        ...(options as object),
        dot: () => '.',
      }),
      move(sourceDir),
    ]);

    return chain([
      branchAndMerge(
        chain([
          filter(
            path =>
              path.endsWith('.module.ts') &&
              !path.endsWith('-routing.module.ts')
          ),
          addImportToNgModule(options),
          mergeWith(templateSource),
        ])
      ),
    ])(host, context);
  };

  return (host: Tree, context: SchematicContext) => {
    options.path = getProjectPath(host, options);

    const parsedPath = parseName(options.path, options.name);
    options.name = parsedPath.name;
    options.path = parsedPath.path;

    const templateSource = apply(url('./files'), [
      options.spec ? noop() : filter(path => !path.endsWith('__spec.ts')),
      template({
        'if-flat': (s: string) =>
          stringUtils.group(
            options.flat ? '' : s,
            options.group ? 'actions' : ''
          ),
        ...stringUtils,
        ...(options as object),
        dot: () => '.',
      } as any),
      move(parsedPath.path),
    ]);

    return chain([branchAndMerge(chain([mergeWith(templateSource)]))])(
      host,
      context
    );
  };