fast-querystring

Fast query-string parser and stringifier to replace the legacy node:querystring module.

Installation

npm i fast-querystring

Features

Supports both parse and stringify methods from node:querystring module
Parsed object does not have prototype methods
Uses & separator as default
Supports only input of type string
Supports repeating keys in query string
- foo=bar&foo=baz parses into {foo: ['bar', 'baz']}
Supports pairs with missing values
- foo=bar&hola parses into {foo: 'bar', hola: ''}
Stringify does not support nested values (just like node:querystring)

Usage

const qs = require('fast-querystring')

// Parsing a querystring
console.log(qs.parse('hello=world&foo=bar&values=v1&values=v2'))
// {
//   hello: 'world',
//   foo: 'bar',
//   values: ['v1', 'v2']
// }

// Stringifying an object
console.log(qs.stringify({ foo: ['bar', 'baz'] }))
// 'foo=bar&foo=baz'

Benchmark

Parsing a query-string

> node benchmark/parse.mjs

╔═════════════════════════════════════════╤═════════╤═══════════════════╤═══════════╗
║ Slower tests                            │ Samples │            Result │ Tolerance ║
╟─────────────────────────────────────────┼─────────┼───────────────────┼───────────╢
║ qs                                      │   10000 │  350884.75 op/sec │  ± 1.36 % ║
║ query-string                            │   10000 │  383165.31 op/sec │  ± 1.22 % ║
║ querystringify                          │    1500 │  530280.43 op/sec │  ± 0.90 % ║
║ @aws-sdk/querystring-parser             │    2000 │  556657.27 op/sec │  ± 0.79 % ║
║ URLSearchParams-with-Object.fromEntries │   10000 │  845766.67 op/sec │  ± 2.85 % ║
║ URLSearchParams-with-construct          │   10000 │ 1158368.83 op/sec │  ± 4.28 % ║
║ node:querystring                        │    2000 │ 1460476.58 op/sec │  ± 0.96 % ║
║ querystringparser                       │   10000 │ 1976384.97 op/sec │  ± 4.11 % ║
╟─────────────────────────────────────────┼─────────┼───────────────────┼───────────╢
║ Fastest test                            │ Samples │            Result │ Tolerance ║
╟─────────────────────────────────────────┼─────────┼───────────────────┼───────────╢
║ fast-querystring                        │   10000 │ 2123713.08 op/sec │  ± 2.87 % ║
╚═════════════════════════════════════════╧═════════╧═══════════════════╧═══════════╝

Stringify a query-string

> node benchmark/stringify.mjs

╔══════════════════════════════╤═════════╤═══════════════════╤═══════════╗
║ Slower tests                 │ Samples │            Result │ Tolerance ║
╟──────────────────────────────┼─────────┼───────────────────┼───────────╢
║ query-string                 │   10000 │  310383.60 op/sec │  ± 1.14 % ║
║ qs                           │   10000 │  354332.59 op/sec │  ± 1.23 % ║
║ @aws-sdk/querystring-builder │   10000 │  411500.38 op/sec │  ± 1.30 % ║
║ http-querystring-stringify   │    1500 │  535883.47 op/sec │  ± 1.00 % ║
║ URLSearchParams              │   10000 │  594068.52 op/sec │  ± 1.61 % ║
║ querystringparser            │   10000 │  766081.64 op/sec │  ± 2.18 % ║
║ querystringify               │   10000 │  914083.38 op/sec │  ± 1.67 % ║
║ node:querystring             │    4000 │ 1822536.85 op/sec │  ± 0.91 % ║
╟──────────────────────────────┼─────────┼───────────────────┼───────────╢
║ Fastest test                 │ Samples │            Result │ Tolerance ║
╟──────────────────────────────┼─────────┼───────────────────┼───────────╢
║ fast-querystring             │   10000 │ 2186435.62 op/sec │  ± 3.48 % ║
╚══════════════════════════════╧═════════╧═══════════════════╧═══════════╝

License

orcuntuna/fast-querystring

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