angular-cli/packages/@angular/cli/blueprints/module/index.ts

const path = require('path');
const Blueprint   = require('../../ember-cli/lib/models/blueprint');
const dynamicPathParser = require('../../utilities/dynamic-path-parser');
const getFiles = Blueprint.prototype.files;

export default Blueprint.extend({
  description: '',

  availableOptions: [
    { name: 'spec', type: Boolean },
    { name: 'flat', type: Boolean },
    { name: 'routing', type: Boolean, default: false }
  ],

  normalizeEntityName: function (entityName: string) {
    this.entityName = entityName;
    const parsedPath = dynamicPathParser(this.project, entityName);

    this.dynamicPath = parsedPath;
    return parsedPath.name;
  },

  locals: function (options: any) {
    options.flat = options.flat !== undefined ?
      options.flat :
      this.project.ngConfigObj.get('defaults.module.flat');

    options.spec = options.spec !== undefined ?
      options.spec :
      this.project.ngConfigObj.get('defaults.module.spec');

    return {
      dynamicPath: this.dynamicPath.dir,
      spec: options.spec,
      routing: options.routing
    };
  },

  files: function() {
    let fileList = getFiles.call(this) as Array<string>;

    if (!this.options || !this.options.spec) {
      fileList = fileList.filter(p => p.indexOf('__name__.module.spec.ts') < 0);
    }
    if (this.options && !this.options.routing) {
      fileList = fileList.filter(p => p.indexOf('__name__-routing.module.ts') < 0);
    }

    return fileList;
  },

  fileMapTokens: function (options: any) {
    // Return custom template variables here.
    this.dasherizedModuleName = options.dasherizedModuleName;
    return {
      __path__: () => {
        this.generatePath = this.dynamicPath.dir;
        if (!options.locals.flat) {
          this.generatePath += path.sep + options.dasherizedModuleName;
        }
        return this.generatePath;
      }
    };
  }
});