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parse-json
2511dc6acf771.22.2.1

parse-json

index.js
license
package.json
readme.md
vendor/

readme.md

parse-json ![Build Status](https://travis-ci.org/sindresorhus/parse-json)

Parse JSON with more helpful errors

Install

$ npm install --save parse-json

Usage

js
var parseJson = require('parse-json');
var json = '{\n\t"foo": true,\n}';


JSON.parse(json);
/*
undefined:3
}
^
SyntaxError: Unexpected token }
*/


parseJson(json);
/*
JSONError: Trailing comma in object at 3:1
}
^
*/


parseJson(json, 'foo.json');
/*
JSONError: Trailing comma in object at 3:1 in foo.json
}
^
*/


// you can also add the filename at a later point
try {
	parseJson(json);
} catch (err) {
	err.fileName = 'foo.json';
	throw err;
}
/*
JSONError: Trailing comma in object at 3:1 in foo.json
}
^
*/

API

parseJson(input, [reviver], [filename])

input

Type: string

reviver

Type: function

Prescribes how the value originally produced by parsing is transformed, before being returned. See [JSON.parse docs](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/JSON/parse#Using_the_reviver_parameter ) for more.

filename