parse-json

Parse JSON with more helpful errors

Install

$ npm install parse-json

Usage

```js const parseJson = require('parse-json'); const 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 in foo.json:3:1 } ^ /

// 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 in foo.json:3:1 } ^ / ```

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 for more.

filename