11.3 kB

	# fast-uri

	<div align="center">

	[![NPM version](https://img.shields.io/npm/v/fast-uri.svg?style=flat)](https://www.npmjs.com/package/fast-uri)
	[![CI](https://github.com/fastify/fast-uri/actions/workflows/ci.yml/badge.svg?branch=main)](https://github.com/fastify/fast-uri/actions/workflows/ci.yml)
	[![neostandard javascript style](https://img.shields.io/badge/code_style-neostandard-brightgreen?style=flat)](https://github.com/neostandard/neostandard)

	</div>

	Dependency-free RFC 3986 URI toolbox.

	## Usage

	## Options

	All of the above functions can accept an additional options argument that is an object that can contain one or more of the following properties:

	* `scheme` (string)
	Indicates the scheme that the URI should be treated as, overriding the URI's normal scheme parsing behavior.

	* `reference` (string)
	If set to `"suffix"`, it indicates that the URI is in the suffix format and the parser will use the option's `scheme` property to determine the URI's scheme.

	* `tolerant` (boolean, false)
	If set to `true`, the parser will relax URI resolving rules.

	* `absolutePath` (boolean, false)
	If set to `true`, the serializer will not resolve a relative `path` component.

	* `unicodeSupport` (boolean, false)
	If set to `true`, the parser will unescape non-ASCII characters in the parsed output as per [RFC 3987](http://www.ietf.org/rfc/rfc3987.txt).

	* `domainHost` (boolean, false)
	If set to `true`, the library will treat the `host` component as a domain name, and convert IDNs (International Domain Names) as per [RFC 5891](http://www.ietf.org/rfc/rfc5891.txt).

	### Parse

	```js
	const uri = require('fast-uri')
	uri.parse('uri://user:pass@example.com:123/one/two.three?q1=a1&q2=a2#body')
	// Output
	{
	scheme: "uri",
	userinfo: "user:pass",
	host: "example.com",
	port: 123,
	path: "/one/two.three",
	query: "q1=a1&q2=a2",
	fragment: "body"
	}
	```

	### Serialize

	```js
	const uri = require('fast-uri')
	uri.serialize({scheme: "http", host: "example.com", fragment: "footer"})
	// Output
	"http://example.com/#footer"

	```

	### Resolve

	```js
	const uri = require('fast-uri')
	uri.resolve("uri://a/b/c/d?q", "../../g")
	// Output
	"uri://a/g"
	```

	### Equal

	```js
	const uri = require('fast-uri')
	uri.equal("example://a/b/c/%7Bfoo%7D", "eXAMPLE://a/./b/../b/%63/%7bfoo%7d")
	// Output
	true
	```

	## Scheme supports

	fast-uri supports inserting custom [scheme](http://en.wikipedia.org/wiki/URI_scheme)-dependent processing rules. Currently, fast-uri has built-in support for the following schemes:

	* http \[[RFC 2616](http://www.ietf.org/rfc/rfc2616.txt)\]
	* https \[[RFC 2818](http://www.ietf.org/rfc/rfc2818.txt)\]
	* ws \[[RFC 6455](http://www.ietf.org/rfc/rfc6455.txt)\]
	* wss \[[RFC 6455](http://www.ietf.org/rfc/rfc6455.txt)\]
	* urn \[[RFC 2141](http://www.ietf.org/rfc/rfc2141.txt)\]
	* urn:uuid \[[RFC 4122](http://www.ietf.org/rfc/rfc4122.txt)\]


	## Benchmarks

	```
	fast-uri benchmark
	┌─────────┬──────────────────────────────────────────┬──────────────────┬──────────────────┬────────────────────────┬────────────────────────┬─────────┐
	│ (index) │ Task name │ Latency avg (ns) │ Latency med (ns) │ Throughput avg (ops/s) │ Throughput med (ops/s) │ Samples │
	├─────────┼──────────────────────────────────────────┼──────────────────┼──────────────────┼────────────────────────┼────────────────────────┼─────────┤
	│ 0 │ 'fast-uri: parse domain' │ '951.31 ± 0.75%' │ '875.00 ± 11.00' │ '1122538 ± 0.01%' │ '1142857 ± 14550' │ 1051187 │
	│ 1 │ 'fast-uri: parse IPv4' │ '443.44 ± 0.22%' │ '406.00 ± 3.00' │ '2422762 ± 0.01%' │ '2463054 ± 18335' │ 2255105 │
	│ 2 │ 'fast-uri: parse IPv6' │ '1241.6 ± 1.74%' │ '1131.0 ± 30.00' │ '875177 ± 0.02%' │ '884173 ± 24092' │ 805399 │
	│ 3 │ 'fast-uri: parse URN' │ '689.19 ± 4.29%' │ '618.00 ± 9.00' │ '1598373 ± 0.01%' │ '1618123 ± 23913' │ 1450972 │
	│ 4 │ 'fast-uri: parse URN uuid' │ '1025.4 ± 2.02%' │ '921.00 ± 19.00' │ '1072419 ± 0.02%' │ '1085776 ± 22871' │ 975236 │
	│ 5 │ 'fast-uri: serialize uri' │ '1028.5 ± 0.53%' │ '933.00 ± 43.00' │ '1063310 ± 0.02%' │ '1071811 ± 50523' │ 972249 │
	│ 6 │ 'fast-uri: serialize long uri with dots' │ '1805.1 ± 0.52%' │ '1627.0 ± 17.00' │ '602620 ± 0.02%' │ '614628 ± 6490' │ 553997 │
	│ 7 │ 'fast-uri: serialize IPv6' │ '2569.4 ± 2.69%' │ '2302.0 ± 21.00' │ '426080 ± 0.03%' │ '434405 ± 3999' │ 389194 │
	│ 8 │ 'fast-uri: serialize ws' │ '979.39 ± 0.43%' │ '882.00 ± 8.00' │ '1111665 ± 0.02%' │ '1133787 ± 10378' │ 1021045 │
	│ 9 │ 'fast-uri: resolve' │ '2208.2 ± 1.08%' │ '1980.0 ± 24.00' │ '495001 ± 0.03%' │ '505051 ± 6049' │ 452848 │
	└─────────┴──────────────────────────────────────────┴──────────────────┴──────────────────┴────────────────────────┴────────────────────────┴─────────┘
	uri-js benchmark
	┌─────────┬───────────────────────────────────────┬──────────────────┬──────────────────┬────────────────────────┬────────────────────────┬─────────┐
	│ (index) │ Task name │ Latency avg (ns) │ Latency med (ns) │ Throughput avg (ops/s) │ Throughput med (ops/s) │ Samples │
	├─────────┼───────────────────────────────────────┼──────────────────┼──────────────────┼────────────────────────┼────────────────────────┼─────────┤
	│ 0 │ 'urijs: parse domain' │ '3618.3 ± 0.43%' │ '3314.0 ± 33.00' │ '294875 ± 0.04%' │ '301750 ± 2975' │ 276375 │
	│ 1 │ 'urijs: parse IPv4' │ '4024.1 ± 0.41%' │ '3751.0 ± 25.00' │ '261981 ± 0.04%' │ '266596 ± 1789' │ 248506 │
	│ 2 │ 'urijs: parse IPv6' │ '5417.2 ± 0.46%' │ '4968.0 ± 43.00' │ '196023 ± 0.05%' │ '201288 ± 1727' │ 184598 │
	│ 3 │ 'urijs: parse URN' │ '1324.2 ± 0.23%' │ '1229.0 ± 17.00' │ '801535 ± 0.02%' │ '813670 ± 11413' │ 755185 │
	│ 4 │ 'urijs: parse URN uuid' │ '1822.0 ± 3.08%' │ '1655.0 ± 15.00' │ '594433 ± 0.02%' │ '604230 ± 5427' │ 548843 │
	│ 5 │ 'urijs: serialize uri' │ '4196.8 ± 0.36%' │ '3908.0 ± 27.00' │ '251146 ± 0.04%' │ '255885 ± 1756' │ 238276 │
	│ 6 │ 'urijs: serialize long uri with dots' │ '8331.0 ± 1.30%' │ '7658.0 ± 72.00' │ '126440 ± 0.07%' │ '130582 ± 1239' │ 120034 │
	│ 7 │ 'urijs: serialize IPv6' │ '5685.5 ± 0.30%' │ '5366.0 ± 33.00' │ '182632 ± 0.05%' │ '186359 ± 1153' │ 175886 │
	│ 8 │ 'urijs: serialize ws' │ '4159.3 ± 0.20%' │ '3899.0 ± 28.00' │ '250459 ± 0.04%' │ '256476 ± 1855' │ 240423 │
	│ 9 │ 'urijs: resolve' │ '6729.9 ± 0.39%' │ '6261.0 ± 37.00' │ '156361 ± 0.06%' │ '159719 ± 949' │ 148591 │
	└─────────┴───────────────────────────────────────┴──────────────────┴──────────────────┴────────────────────────┴────────────────────────┴─────────┘
	WHATWG URL benchmark
	┌─────────┬────────────────────────────┬──────────────────┬──────────────────┬────────────────────────┬────────────────────────┬─────────┐
	│ (index) │ Task name │ Latency avg (ns) │ Latency med (ns) │ Throughput avg (ops/s) │ Throughput med (ops/s) │ Samples │
	├─────────┼────────────────────────────┼──────────────────┼──────────────────┼────────────────────────┼────────────────────────┼─────────┤
	│ 0 │ 'WHATWG URL: parse domain' │ '475.22 ± 0.20%' │ '444.00 ± 5.00' │ '2217599 ± 0.01%' │ '2252252 ± 25652' │ 2104289 │
	│ 1 │ 'WHATWG URL: parse URN' │ '384.78 ± 0.85%' │ '350.00 ± 5.00' │ '2809071 ± 0.01%' │ '2857143 ± 41408' │ 2598885 │
	└─────────┴────────────────────────────┴──────────────────┴──────────────────┴────────────────────────┴────────────────────────┴─────────┘
	```

	## TODO

	- [ ] Support MailTo
	- [ ] Be 100% iso compatible with uri-js

	## License

	Licensed under [BSD-3-Clause](./LICENSE).

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