3f6683a88a088f5781148c38b27053914e7c8265.svn-base
1.24 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
# parse-json [](https://travis-ci.org/sindresorhus/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](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/JSON/parse#Using_the_reviver_parameter
) for more.
#### filename
Type: `string`
Filename displayed in the error message.
## License
MIT © [Sindre Sorhus](https://sindresorhus.com)