42 lines
1.1 KiB
Markdown
42 lines
1.1 KiB
Markdown
|
# is-json
|
||
|
|
|
||
|
|
<a href="https://nodei.co/npm/is-json/"><img src="https://nodei.co/npm/is-json.png?downloads=true"></a>
|
||
|
|
|
||
|
|
[](https://travis-ci.org/joaquimserafim/is-json)
|
||
|
|
|
||
|
|
|
||
|
|
check if a string is a valid JSON string without using Try/Catch and is a JSON object
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
**V1.2**
|
||
|
|
|
||
|
|
|
||
|
|
isJSON(str*, [passObjects=bool])
|
||
|
|
|
||
|
|
*with `passObjects = true` can pass a JSON object in `str`, default to `false`
|
||
|
|
|
||
|
|
|
||
|
|
var isJSON = require('is-json');
|
||
|
|
|
||
|
|
var good_json = '{"a":"obja","b":[0,1,2],"c":{"d":"some object"}}';
|
||
|
|
var bad_json = '{"a":"obja""b":[0,1,2],"c":{"d":"some object"}}';
|
||
|
|
var str_number = '121212';
|
||
|
|
|
||
|
|
|
||
|
|
console.log(isJSON(good_json)); // true
|
||
|
|
console.log(isJSON(bad_json)); // false
|
||
|
|
console.log(isJSON(str_number)); // false
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
// check is an object
|
||
|
|
|
||
|
|
var object = {a: 12, b: [1,2,3]};
|
||
|
|
|
||
|
|
console.log(isJSON(object, true)); // true
|
||
|
|
|
||
|
|
// can use isJSON.strict (uses try/catch) if wants something more robust
|
||
|
|
|
||
|
|
console.log(isJSON.strict('{\n "config": 123,\n "test": "abcde" \n}')); // true
|