/** * @ignore * kissy json use json2 or native conditionally */ KISSY.add('json', function (S, J) { if (typeof JSON !== 'undefined') { J = JSON; } /** * Provide json utils for KISSY. * @class KISSY.JSON * @singleton */ return S.JSON = { /** * Parse json object from string. * @param text * @return {Object} */ parse: function (text) { // 当输入为 undefined / null / '' 时,返回 null if (text == null || text === '') { return null; } return J.parse(text); }, /** * serialize json object to string. * @method * @param {Object} jsonObject * @return {String} */ stringify: J.stringify }; }, { requires: [ KISSY.Features.isNativeJSONSupported() ? "" : "json/json2" ] });