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qs

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qs

A querystring parser that supports nesting and arrays, with a depth limit


Version published
Maintainers
3
Weekly downloads
69,758,366
decreased by-10.61%

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Package description

What is qs?

The qs package is a query string parsing and stringifying library with some added security. It is often used to parse and stringify query strings, handling complex data structures within query strings.

What are qs's main functionalities?

Parsing query strings

This feature allows you to convert a query string into an object, making it easy to access the values.

const qs = require('qs');
const query = qs.parse('a=c&b=d');
console.log(query); // { a: 'c', b: 'd' }

Stringifying objects

This feature enables you to take an object and convert it into a query string, which can be used in URLs.

const qs = require('qs');
const stringified = qs.stringify({ a: 'c', b: 'd' });
console.log(stringified); // 'a=c&b=d'

Handling arrays and objects

qs can parse and stringify nested objects and arrays, allowing for complex data structures in query strings.

const qs = require('qs');
const query = qs.parse('a[]=b&a[]=c');
console.log(query); // { a: ['b', 'c'] }

Custom parsing options

You can customize the parsing behavior by providing options such as delimiters, allowing for flexibility in the format of query strings.

const qs = require('qs');
const query = qs.parse('a=c&b=d', { delimiter: ';' });
console.log(query); // { 'a=c&b=d': '' }

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Last updated on 08 May 2016

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