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parse-json

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Maintainers
1
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parse-json

Parse JSON with more helpful errors

    6.0.2latest

Version published
Maintainers
1
Weekly downloads
49,053,487
decreased by-11.65%

Weekly downloads

Changelog

Source

  • Fix dependency on lines-and-columns (#33) a244a17

https://github.com/sindresorhus/parse-json/compare/v6.0.1...v6.0.2

Readme

Source

parse-json

Parse JSON with more helpful errors

Install

npm install parse-json

Usage

import parseJson from 'parse-json'; const json = '{\n\t"foo": true,\n}'; JSON.parse(json); /* undefined:3 } ^ SyntaxError: Unexpected token } */ parseJson(json); /* JSONError: Unexpected token } in JSON at position 16 while parsing near '{ "foo": true,}' 1 | { 2 | "foo": true, > 3 | } | ^ */ parseJson(json, 'foo.json'); /* JSONError: Unexpected token } in JSON at position 16 while parsing near '{ "foo": true,}' in foo.json 1 | { 2 | "foo": true, > 3 | } | ^ */ // You can also add the filename at a later point try { parseJson(json); } catch (error) { if (error instanceof parseJson.JSONError) { error.fileName = 'foo.json'; } throw error; } /* JSONError: Unexpected token } in JSON at position 16 while parsing near '{ "foo": true,}' in foo.json 1 | { 2 | "foo": true, > 3 | } | ^ */

API

parseJson(string, reviver?, filename?)

Throws a JSONError when there is a parsing error.

string

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

Type: string

The filename displayed in the error message.

parseJson.JSONError

Exposed for instanceof checking.

fileName

Type: string

The filename displayed in the error message.

codeFrame

Type: string

The printable section of the JSON which produces the error.


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Keywords

FAQs

What is parse-json?

Parse JSON with more helpful errors

Is parse-json popular?

The npm package parse-json receives a total of 39,221,132 weekly downloads. As such, parse-json popularity was classified as popular.

Is parse-json well maintained?

We found that parse-json demonstrated a not healthy version release cadence and project activity because the last version was released a year ago.It has 1 open source maintainer collaborating on the project.

Last updated on 21 Nov 2021

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