json-parse-safe

json-parse-safe

Parse your json safely and stop writing try {} catch {}

Syntax

var JSONParse = require('json-parse-safe')
JSONParse(text[, reviver])

Parameters

text

• the string to parse as JSON

reviver (optional)

• if a function, prescribes how the value originally produced by parsing is transformed, before being returned, more info about this param in here

Returns

object {value, error}

• value: should be the object corresponding to the given JSON text or undefined in case of error
• error: should be an Error object in case of error or undefined in case of success

Example

var JSONParse = require('json-parse-safe');

var str = '{"cat": "Peter", "age": 1, "colors": ["white", "cyan", "black"]}';

var obj = JSONParse(str);
// obj.value should be
{
    cat: 'Peter',
    age: 1,
    colors: ['white', 'cyan', 'black']
}

getting the exception

var bad = '{"cat": "Peter" "age": 1}';

var obj = JSONParse(str);

// obj.value should be 'undefined'
// obj.error should be an Error
console.log(obj.error);
console.log(obj.error.message);
console.log(obj.error.stack);

Development

This project has been set up with a precommit that forces you to follow a code style, no jshint issues and 100% of code coverage before commit

to run test

npm test

to run jshint

npm run jshint

to run code style

npm run code-style

to run check code coverage

npm run check-coverage

to open the code coverage report

npm run open-coverage