hunk.code_window:   dryRun?: boolean;
     force?: boolean;
     interactive?: boolean;
   }
   export interface RunSchematicOptions extends BaseSchematicSchema {
  
hunk.labels: keep keep add keep keep keep
hunk.after_edit:   defaults?: boolean;
  
hunk.file_path: packages/angular/cli/models/schematic-command.ts
hunk.type: add
file: /**
   * @license
   * Copyright Google Inc. 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
   */
  
  // tslint:disable:no-global-tslint-disable no-any
  import { tags, terminal } from '@angular-devkit/core';
  import { NodePackageDoesNotSupportSchematics } from '@angular-devkit/schematics/tools';
  import { Arguments } from '../models/interface';
  import { SchematicCommand } from '../models/schematic-command';
  import { NpmInstall } from '../tasks/npm-install';
  import { getPackageManager } from '../utilities/config';
  import { Schema as AddCommandSchema } from './add';
  
  export class AddCommand extends SchematicCommand<AddCommandSchema> {
    readonly allowPrivateSchematics = true;
  
    async run(options: AddCommandSchema & Arguments) {
      if (!options.collection) {
        this.logger.fatal(
          `The "ng add" command requires a name argument to be specified eg. `
          + `${terminal.yellow('ng add [name] ')}. For more details, use "ng help".`,
        );
  
        return 1;
      }
  
      const packageManager = getPackageManager();
  
      const npmInstall: NpmInstall = require('../tasks/npm-install').default;
  
      const packageName = options.collection.startsWith('@')
        ? options.collection.split('/', 2).join('/')
        : options.collection.split('/', 1)[0];
  
      // Remove the tag/version from the package name.
      const collectionName = (
        packageName.startsWith('@')
          ? packageName.split('@', 2).join('@')
          : packageName.split('@', 1).join('@')
      ) + options.collection.slice(packageName.length);
  
      // We don't actually add the package to package.json, that would be the work of the package
      // itself.
      await npmInstall(
        packageName,
        this.logger,
        packageManager,
        this.workspace.root,
      );
  
      const runOptions = {
        schematicOptions: options['--'] || [],
        workingDir: this.workspace.root,
        collectionName,
        schematicName: 'ng-add',
        allowPrivate: true,
        dryRun: false,
        force: false,
      };
  
      try {
        return await this.runSchematic(runOptions);
      } catch (e) {
        if (e instanceof NodePackageDoesNotSupportSchematics) {
          this.logger.error(tags.oneLine`
            The package that you are trying to add does not support schematics. You can try using
            a different version of the package or contact the package author to add ng-add support.
          `);
  
          return 1;
        }
  
        throw e;
      }
    }
  }
  