hunk.code_window: export type BuildResult = BuilderOutput & {
     emittedFiles?: EmittedFiles[];
     webpackStats?: webpack.Stats.ToJsonOutput;
   };
   export function runWebpack(
     config: webpack.Configuration,
  
hunk.labels: keep keep keep add keep keep keep keep
hunk.after_edit:   outputPath: string;
  
hunk.file_path: packages/angular_devkit/build_webpack/src/webpack/index.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
   */
  import { Tree } from '@angular-devkit/schematics';
  import { JSONFile } from './json-file';
  
  const PKG_JSON_PATH = '/package.json';
  export enum NodeDependencyType {
    Default = 'dependencies',
    Dev = 'devDependencies',
    Peer = 'peerDependencies',
    Optional = 'optionalDependencies',
  }
  
  export interface NodeDependency {
    type: NodeDependencyType;
    name: string;
    version: string;
    overwrite?: boolean;
  }
  
  const ALL_DEPENDENCY_TYPE = [
    NodeDependencyType.Default,
    NodeDependencyType.Dev,
    NodeDependencyType.Optional,
    NodeDependencyType.Peer,
  ];
  
  export function addPackageJsonDependency(tree: Tree, dependency: NodeDependency, pkgJsonPath = PKG_JSON_PATH): void {
    const json = new JSONFile(tree, pkgJsonPath);
  
    const { overwrite, type, name, version } = dependency;
    const path = [type, name];
    if (overwrite || !json.get(path)) {
      json.modify(path, version);
    }
  }
  
  export function removePackageJsonDependency(tree: Tree, name: string, pkgJsonPath = PKG_JSON_PATH): void {
    const json = new JSONFile(tree, pkgJsonPath);
  
    for (const depType of ALL_DEPENDENCY_TYPE) {
      json.remove([depType, name]);
    }
  }
  
  export function getPackageJsonDependency(tree: Tree, name: string, pkgJsonPath = PKG_JSON_PATH): NodeDependency | null {
    const json = new JSONFile(tree, pkgJsonPath);
  
    for (const depType of ALL_DEPENDENCY_TYPE) {
      const version = json.get([depType, name]);
  
      if (typeof version === 'string') {
        return {
          type: depType,
          name: name,
          version,
        };
      }
    }
  
    return null;
  }
  