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1 year ago
[![npm version][npm-version-src]][npm-version-href]
[![npm downloads][npm-downloads-src]][npm-downloads-href]
[![Github Actions][github-actions-src]][github-actions-href]
[![Codecov][codecov-src]][codecov-href]
[![bundle][bundle-src]][bundle-href]
![👽 ufo](.github/banner.svg)
## Install
Install using npm or yarn:
```bash
npm i ufo
# or
yarn add ufo
```
Import:
```js
// CommonJS
const { normalizeURL, joinURL } = require('ufo')
// ESM
import { normalizeURL, joinURL } from 'ufo'
// Deno
import { parseURL } from 'https://unpkg.com/ufo/dist/index.mjs'
```
**Notice:** You may need to transpile package and add URL polyfill for legacy environments
## Usage
### `normalizeURL`
- Ensures URL is properly encoded
- Ensures pathname starts with slash
- Preserves protocol/host if provided
```ts
// Result: test?query=123%20123#hash,%20test
normalizeURL('test?query=123 123#hash, test')
// Result: http://localhost:3000/
normalizeURL('http://localhost:3000')
```
### `joinURL`
```ts
// Result: a/b/c
joinURL('a', '/b', '/c')
```
### `resolveURL`
```ts
// Result: http://foo.com/foo/bar/baz?test=123#token
resolveURL('http://foo.com/foo?test=123#token', 'bar', 'baz')
```
### `parseURL`
```ts
// Result: { protocol: 'http:', auth: '', host: 'foo.com', pathname: '/foo', search: '?test=123', hash: '#token' }
parseURL('http://foo.com/foo?test=123#token')
// Result: { pathname: 'foo.com/foo', search: '?test=123', hash: '#token' }
parseURL('foo.com/foo?test=123#token')
// Result: { protocol: 'https:', auth: '', host: 'foo.com', pathname: '/foo', search: '?test=123', hash: '#token' }
parseURL('foo.com/foo?test=123#token', 'https://')
```
### `withQuery`
```ts
// Result: /foo?page=a&token=secret
withQuery('/foo?page=a', { token: 'secret' })
```
### `getQuery`
```ts
// Result: { test: '123', unicode: '好' }
getQuery('http://foo.com/foo?test=123&unicode=%E5%A5%BD')
```
### `$URL`
Implementing URL interface with some improvements:
- Supporting schemeless and hostless URLs
- Supporting relative URLs
- Preserving trailing-slash status
- Decoded and mutable classs properties (`protocol`, `host`, `auth`, `pathname`, `query`, `hash`)
- Consistent URL parser independent of environment
- Consistent encoding independent of environment
- Punycode support for host encoding
### `withTrailingSlash`
Ensures url ends with a trailing slash
```ts
// Result: /foo/
withTrailingSlash('/foo')
```
```ts
// Result: /path/?query=true
withTrailingSlash('/path?query=true', true)
```
### `withoutTrailingSlash`
Ensures url does not ends with a trailing slash
```ts
// Result: /foo
withoutTrailingSlash('/foo/')
```
```ts
// Result: /path?query=true
withoutTrailingSlash('/path/?query=true', true)
```
### `cleanDoubleSlashes`
Ensures url does not have double slash (except for protocol)
```ts
// Result: /foo/bar/
cleanDoubleSlashes('//foo//bar//')
// Result: http://example.com/analyze/http://localhost:3000/
cleanDoubleSlashes('http://example.com/analyze//http://localhost:3000//')
```
### `isSamePath`
Check two paths are equal or not. Trailing slash and encoding are normalized before comparation.
```ts
// Result: true
isSamePath('/foo', '/foo/')
```
### `isRelative`
Check if a path starts with `./` or `../`.
```ts
// Result: true
isRelative('./foo')
```
### `withHttp`
Ensures url protocol is `http`
```ts
// Result: http://example.com
withHttp('https://example.com')
```
### `withHttps`
Ensures url protocol is `https`
```ts
// Result: https://example.com
withHttps('http://example.com')
```
### `withProtocol`
Changes url protocol passed as second argument
```ts
// Result: ftp://example.com
withProtocol('http://example.com', 'ftp://')
```
### `withoutProtocol`
Removes url protocol
```ts
// Result: example.com
withoutProtocol('http://example.com')
```
### `isEqual`
Compare two URLs regardless of their slash condition or encoding:
```ts
// Result: true
isEqual('/foo', 'foo')
isEqual('foo/', 'foo')
isEqual('/foo bar', '/foo%20bar')
// Strict compare
// Result: false
isEqual('/foo', 'foo', { leadingSlash: true })
isEqual('foo/', 'foo', { trailingSlash: true })
isEqual('/foo bar', '/foo%20bar', { encoding: true })
```
## License
[MIT](./LICENSE)
Special thanks to Eduardo San Martin Morote ([posva](https://github.com/posva)) for [encoding utlities](https://github.com/vuejs/vue-router-next/blob/v4.0.1/src/encoding.ts)
<!-- Badges -->
[npm-version-src]: https://img.shields.io/npm/v/ufo?style=flat-square
[npm-version-href]: https://npmjs.com/package/ufo
[npm-downloads-src]: https://img.shields.io/npm/dm/ufo?style=flat-square
[npm-downloads-href]: https://npmjs.com/package/ufo
[github-actions-src]: https://img.shields.io/github/workflow/status/unjs/ufo/ci/main?style=flat-square
[github-actions-href]: https://github.com/unjs/ufo/actions?query=workflow%3Aci
[codecov-src]: https://img.shields.io/codecov/c/gh/unjs/ufo/main?style=flat-square
[codecov-href]: https://codecov.io/gh/unjs/ufo
[bundle-src]: https://img.shields.io/bundlephobia/minzip/ufo?style=flat-square
[bundle-href]: https://bundlephobia.com/result?p=ufo