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 │  310825.09 op/sec │  ± 1.29 % ║
║ query-string                            │    1000 │  340059.83 op/sec │  ± 0.82 % ║
║ querystringify                          │   10000 │  435456.34 op/sec │  ± 1.06 % ║
║ @aws-sdk/querystring-parser             │    1000 │  451618.35 op/sec │  ± 0.85 % ║
║ URLSearchParams-with-Object.fromEntries │   10000 │  876030.86 op/sec │  ± 1.78 % ║
║ URLSearchParams-with-construct          │   10000 │ 1239366.24 op/sec │  ± 2.59 % ║
║ node:querystring                        │   10000 │ 1442731.43 op/sec │  ± 2.95 % ║
║ querystringparser                       │    3000 │ 1863385.29 op/sec │  ± 0.99 % ║
╟─────────────────────────────────────────┼─────────┼───────────────────┼───────────╢
║ Fastest test                            │ Samples │            Result │ Tolerance ║
╟─────────────────────────────────────────┼─────────┼───────────────────┼───────────╢
║ fast-querystring                        │   10000 │ 2086260.18 op/sec │  ± 3.18 % ║
╚═════════════════════════════════════════╧═════════╧═══════════════════╧═══════════╝

Stringify a query-string

> node benchmark/stringify.mjs

╔══════════════════════════════╤═════════╤═══════════════════╤═══════════╗
║ Slower tests                 │ Samples │            Result │ Tolerance ║
╟──────────────────────────────┼─────────┼───────────────────┼───────────╢
║ query-string                 │   10000 │  294354.42 op/sec │  ± 1.25 % ║
║ qs                           │   10000 │  349992.31 op/sec │  ± 1.45 % ║
║ @aws-sdk/querystring-builder │   10000 │  380426.03 op/sec │  ± 1.69 % ║
║ http-querystring-stringify   │   10000 │  489248.93 op/sec │  ± 1.54 % ║
║ URLSearchParams              │   10000 │  579241.21 op/sec │  ± 1.92 % ║
║ querystringparser            │    1500 │  667303.72 op/sec │  ± 0.77 % ║
║ querystringify               │   10000 │  780283.61 op/sec │  ± 2.43 % ║
║ node:querystring             │   10000 │ 1779241.34 op/sec │  ± 6.49 % ║
╟──────────────────────────────┼─────────┼───────────────────┼───────────╢
║ Fastest test                 │ Samples │            Result │ Tolerance ║
╟──────────────────────────────┼─────────┼───────────────────┼───────────╢
║ fast-querystring             │   10000 │ 2125769.45 op/sec │  ± 3.93 % ║
╚══════════════════════════════╧═════════╧═══════════════════╧═══════════╝

License

iCodeIN/fast-querystring

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