angular-docs-cn/modules/@angular/platform-browser/src/dom/util.ts

/**
 * @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 {StringWrapper} from '../facade/lang';

var CAMEL_CASE_REGEXP = /([A-Z])/g;
var DASH_CASE_REGEXP = /-([a-z])/g;


export function camelCaseToDashCase(input: string): string {
  return StringWrapper.replaceAllMapped(
      input, CAMEL_CASE_REGEXP, (m: string[]) => '-' + m[1].toLowerCase());
}

export function dashCaseToCamelCase(input: string): string {
  return StringWrapper.replaceAllMapped(
      input, DASH_CASE_REGEXP, (m: string[]) => m[1].toUpperCase());
}