2019-04-11 08:27:15 -07:00

34 lines
906 B
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
*/
import {Injectable, Pipe, PipeTransform} from '@angular/core';
/**
* @ngModule CommonModule
* @description
*
* Converts a value into its JSON-format representation. Useful for debugging.
*
* @usageNotes
*
* The following component uses a JSON pipe to convert an object
* to JSON format, and displays the string in both formats for comparison.
*
* {@example common/pipes/ts/json_pipe.ts region='JsonPipe'}
*
* @publicApi
*/
@Injectable()
@Pipe({name: 'json', pure: false})
export class JsonPipe implements PipeTransform {
/**
* @param value A value of any type to convert into a JSON-format string.
*/
transform(value: any): string { return JSON.stringify(value, null, 2); }
}