build/gpf-debug.js
function _gpfJsonParsePolyfill(text, reviver) {
        var result = _gpfFunc("return " + text)();
        if (reviver) {
            return _gpfJsonParseApplyReviver(result, "", reviver);
        }
        return result;
    }
function _gpfJsonParsePolyfill(text, reviver) {
        var result = _gpfFunc("return " + text)();
        if (reviver) {
            return _gpfJsonParseApplyReviver(result, "", reviver);
        }
        return result;
    }
function _gpfJsonParsePolyfill ( text , reviver ) { var result = _gpfFunc ( "return " + text ) ( ) ; if ( reviver ) { return _gpfJsonParseApplyReviver ( result , "" , reviver ) ; } return result ; }
JSON.parse polyfill

@param {*} text The string to parse as JSON
@param {Function} [reviver] Describes how the value originally produced by parsing is transformed,
before being returned
@return {Object} Parsed value
@since 0.1.5
JSON . parse polyfill