mirror of
https://github.com/titanscouting/tra-analysis.git
synced 2024-12-30 18:59:10 +00:00
204 lines
4.7 KiB
Markdown
204 lines
4.7 KiB
Markdown
# negotiator
|
|
|
|
[![NPM Version][npm-image]][npm-url]
|
|
[![NPM Downloads][downloads-image]][downloads-url]
|
|
[![Node.js Version][node-version-image]][node-version-url]
|
|
[![Build Status][travis-image]][travis-url]
|
|
[![Test Coverage][coveralls-image]][coveralls-url]
|
|
|
|
An HTTP content negotiator for Node.js
|
|
|
|
## Installation
|
|
|
|
```sh
|
|
$ npm install negotiator
|
|
```
|
|
|
|
## API
|
|
|
|
```js
|
|
var Negotiator = require('negotiator')
|
|
```
|
|
|
|
### Accept Negotiation
|
|
|
|
```js
|
|
availableMediaTypes = ['text/html', 'text/plain', 'application/json']
|
|
|
|
// The negotiator constructor receives a request object
|
|
negotiator = new Negotiator(request)
|
|
|
|
// Let's say Accept header is 'text/html, application/*;q=0.2, image/jpeg;q=0.8'
|
|
|
|
negotiator.mediaTypes()
|
|
// -> ['text/html', 'image/jpeg', 'application/*']
|
|
|
|
negotiator.mediaTypes(availableMediaTypes)
|
|
// -> ['text/html', 'application/json']
|
|
|
|
negotiator.mediaType(availableMediaTypes)
|
|
// -> 'text/html'
|
|
```
|
|
|
|
You can check a working example at `examples/accept.js`.
|
|
|
|
#### Methods
|
|
|
|
##### mediaType()
|
|
|
|
Returns the most preferred media type from the client.
|
|
|
|
##### mediaType(availableMediaType)
|
|
|
|
Returns the most preferred media type from a list of available media types.
|
|
|
|
##### mediaTypes()
|
|
|
|
Returns an array of preferred media types ordered by the client preference.
|
|
|
|
##### mediaTypes(availableMediaTypes)
|
|
|
|
Returns an array of preferred media types ordered by priority from a list of
|
|
available media types.
|
|
|
|
### Accept-Language Negotiation
|
|
|
|
```js
|
|
negotiator = new Negotiator(request)
|
|
|
|
availableLanguages = ['en', 'es', 'fr']
|
|
|
|
// Let's say Accept-Language header is 'en;q=0.8, es, pt'
|
|
|
|
negotiator.languages()
|
|
// -> ['es', 'pt', 'en']
|
|
|
|
negotiator.languages(availableLanguages)
|
|
// -> ['es', 'en']
|
|
|
|
language = negotiator.language(availableLanguages)
|
|
// -> 'es'
|
|
```
|
|
|
|
You can check a working example at `examples/language.js`.
|
|
|
|
#### Methods
|
|
|
|
##### language()
|
|
|
|
Returns the most preferred language from the client.
|
|
|
|
##### language(availableLanguages)
|
|
|
|
Returns the most preferred language from a list of available languages.
|
|
|
|
##### languages()
|
|
|
|
Returns an array of preferred languages ordered by the client preference.
|
|
|
|
##### languages(availableLanguages)
|
|
|
|
Returns an array of preferred languages ordered by priority from a list of
|
|
available languages.
|
|
|
|
### Accept-Charset Negotiation
|
|
|
|
```js
|
|
availableCharsets = ['utf-8', 'iso-8859-1', 'iso-8859-5']
|
|
|
|
negotiator = new Negotiator(request)
|
|
|
|
// Let's say Accept-Charset header is 'utf-8, iso-8859-1;q=0.8, utf-7;q=0.2'
|
|
|
|
negotiator.charsets()
|
|
// -> ['utf-8', 'iso-8859-1', 'utf-7']
|
|
|
|
negotiator.charsets(availableCharsets)
|
|
// -> ['utf-8', 'iso-8859-1']
|
|
|
|
negotiator.charset(availableCharsets)
|
|
// -> 'utf-8'
|
|
```
|
|
|
|
You can check a working example at `examples/charset.js`.
|
|
|
|
#### Methods
|
|
|
|
##### charset()
|
|
|
|
Returns the most preferred charset from the client.
|
|
|
|
##### charset(availableCharsets)
|
|
|
|
Returns the most preferred charset from a list of available charsets.
|
|
|
|
##### charsets()
|
|
|
|
Returns an array of preferred charsets ordered by the client preference.
|
|
|
|
##### charsets(availableCharsets)
|
|
|
|
Returns an array of preferred charsets ordered by priority from a list of
|
|
available charsets.
|
|
|
|
### Accept-Encoding Negotiation
|
|
|
|
```js
|
|
availableEncodings = ['identity', 'gzip']
|
|
|
|
negotiator = new Negotiator(request)
|
|
|
|
// Let's say Accept-Encoding header is 'gzip, compress;q=0.2, identity;q=0.5'
|
|
|
|
negotiator.encodings()
|
|
// -> ['gzip', 'identity', 'compress']
|
|
|
|
negotiator.encodings(availableEncodings)
|
|
// -> ['gzip', 'identity']
|
|
|
|
negotiator.encoding(availableEncodings)
|
|
// -> 'gzip'
|
|
```
|
|
|
|
You can check a working example at `examples/encoding.js`.
|
|
|
|
#### Methods
|
|
|
|
##### encoding()
|
|
|
|
Returns the most preferred encoding from the client.
|
|
|
|
##### encoding(availableEncodings)
|
|
|
|
Returns the most preferred encoding from a list of available encodings.
|
|
|
|
##### encodings()
|
|
|
|
Returns an array of preferred encodings ordered by the client preference.
|
|
|
|
##### encodings(availableEncodings)
|
|
|
|
Returns an array of preferred encodings ordered by priority from a list of
|
|
available encodings.
|
|
|
|
## See Also
|
|
|
|
The [accepts](https://npmjs.org/package/accepts#readme) module builds on
|
|
this module and provides an alternative interface, mime type validation,
|
|
and more.
|
|
|
|
## License
|
|
|
|
[MIT](LICENSE)
|
|
|
|
[npm-image]: https://img.shields.io/npm/v/negotiator.svg
|
|
[npm-url]: https://npmjs.org/package/negotiator
|
|
[node-version-image]: https://img.shields.io/node/v/negotiator.svg
|
|
[node-version-url]: https://nodejs.org/en/download/
|
|
[travis-image]: https://img.shields.io/travis/jshttp/negotiator/master.svg
|
|
[travis-url]: https://travis-ci.org/jshttp/negotiator
|
|
[coveralls-image]: https://img.shields.io/coveralls/jshttp/negotiator/master.svg
|
|
[coveralls-url]: https://coveralls.io/r/jshttp/negotiator?branch=master
|
|
[downloads-image]: https://img.shields.io/npm/dm/negotiator.svg
|
|
[downloads-url]: https://npmjs.org/package/negotiator
|