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- var rvalidchars = /^[\],:{}\s]*$/;
- var rvalidescape = /\\(?:["\\\/bfnrt]|u[0-9a-fA-F]{4})/g;
- var rvalidtokens = /"[^"\\\n\r]*"|true|false|null|-?\d+(?:\.\d*)?(?:[eE][+\-]?\d+)?/g;
- var rvalidbraces = /(?:^|:|,)(?:\s*\[)+/g;
- var rtrimLeft = /^\s+/;
- var rtrimRight = /\s+$/;
- module.exports = function parsejson(data) {
- if ('string' != typeof data || !data) {
- return null;
- }
- data = data.replace(rtrimLeft, '').replace(rtrimRight, '');
-
- if (global.JSON && JSON.parse) {
- return JSON.parse(data);
- }
- if (rvalidchars.test(data.replace(rvalidescape, '@')
- .replace(rvalidtokens, ']')
- .replace(rvalidbraces, ''))) {
- return (new Function('return ' + data))();
- }
- };
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