safeJSONParse 
Attempts to parse without returning an error, even if the argument value is of the wrong type or in JSON format. If parsing fails, it will be replaced with the object set in fallback. The default value for fallback is an empty object.
Parameters
jsonString::anyfallback::object
Named
Returns
object
Examples
javascript
const result1 = safeJSONParse('{"a":1,"b":2}');
const result2 = safeJSONParse(null);
console.log(result1); // Returns { a: 1, b: 2 }
console.log(result2); // Returns {}dart
final result1 = safeJSONParse('{"a":1,"b":2}');
final result2 = safeJSONParse(null);
print(result1); // Returns { a: 1, b: 2 }
print(result2); // Returns {}