angular-cn/packages/private/testing/src/goog_get_msg.ts

29 lines
1.1 KiB
TypeScript

/**
* @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
*/
/**
* A method that injects goog.getMsg-like function into global scope.
*
* This method is required as a *temporary* measure to prevent i18n tests from being blocked while
* running outside of Closure Compiler. This method will not be needed once runtime translation
* service support is introduced.
*/
export function polyfillGoogGetMsg(translations: {[key: string]: string} = {}): void {
const glob = (global as any);
glob.goog = glob.goog || {};
glob.goog.getMsg =
glob.goog.getMsg || function(input: string, placeholders: {[key: string]: string} = {}) {
if (typeof translations[input] !== 'undefined') { // to account for empty string
input = translations[input];
}
return Object.keys(placeholders).length ?
input.replace(/\{\$(.*?)\}/g, (match, key) => placeholders[key] || '') :
input;
};
}