angular-cli/packages/angular_devkit/schematics/tasks/package-manager/install-task.ts

/**
 * @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
 */

import { TaskConfiguration, TaskConfigurationGenerator } from '../../src';
import { NodePackageName, NodePackageTaskOptions } from './options';

interface NodePackageInstallTaskOptions {
  packageManager?: string;
  packageName?: string;
  workingDirectory?: string;
  quiet?: boolean;
  hideOutput?: boolean;
}

export class NodePackageInstallTask implements TaskConfigurationGenerator<NodePackageTaskOptions> {
  quiet = true;
  hideOutput = true;
  workingDirectory?: string;
  packageManager?: string;
  packageName?: string;

  constructor(workingDirectory?: string);
  constructor(options: NodePackageInstallTaskOptions);
  constructor(options?: string | NodePackageInstallTaskOptions) {
    if (typeof options === 'string') {
      this.workingDirectory = options;
    } else if (typeof options === 'object') {
      if (options.quiet != undefined) {
        this.quiet = options.quiet;
      }
      if (options.hideOutput != undefined) {
        this.hideOutput = options.hideOutput;
      }
      if (options.workingDirectory != undefined) {
        this.workingDirectory = options.workingDirectory;
      }
      if (options.packageManager != undefined) {
        this.packageManager = options.packageManager;
      }
      if (options.packageName != undefined) {
        this.packageName = options.packageName;
      }
    }
  }

  toConfiguration(): TaskConfiguration<NodePackageTaskOptions> {
    return {
      name: NodePackageName,
      options: {
        command: 'install',
        quiet: this.quiet,
        hideOutput: this.hideOutput,
        workingDirectory: this.workingDirectory,
        packageManager: this.packageManager,
        packageName: this.packageName,
      },
    };
  }
}