Function toJson

test/fixtures/foo.js:1119–1122

* @ngdoc function * @name angular.toJson * @module ng * @kind function * * @description * Serializes input into a JSON-formatted string. Properties with leading $ characters will be * stripped since angular uses this notation internally. * * @param {Object|Array|Date|string|number} obj Inpu

(obj, pretty)

 * @returns {string|undefined} JSON-ified string representing `obj`.
 */
function toJson(obj, pretty) {
  if (typeof obj === 'undefined') return undefined;
  return JSON.stringify(obj, toJsonReplacer, pretty ? '  ' : null);
}


/**