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