100 lines
2.8 KiB
Markdown
100 lines
2.8 KiB
Markdown
# mime-types
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[![NPM Version][npm-image]][npm-url]
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[![NPM Downloads][downloads-image]][downloads-url]
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[![Node.js Version][node-version-image]][node-version-url]
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[![Build Status][travis-image]][travis-url]
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[![Test Coverage][coveralls-image]][coveralls-url]
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The ultimate javascript content-type utility.
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Similar to [node-mime](https://github.com/broofa/node-mime), except:
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- __No fallbacks.__ Instead of naively returning the first available type, `mime-types` simply returns `false`,
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so do `var type = mime.lookup('unrecognized') || 'application/octet-stream'`.
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- No `new Mime()` business, so you could do `var lookup = require('mime-types').lookup`.
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- Additional mime types are added such as jade and stylus via [mime-db](https://github.com/jshttp/mime-db)
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- No `.define()` functionality
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Otherwise, the API is compatible.
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## Install
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```sh
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$ npm install mime-types
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```
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## Adding Types
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All mime types are based on [mime-db](https://github.com/jshttp/mime-db),
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so open a PR there if you'd like to add mime types.
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## API
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```js
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var mime = require('mime-types')
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```
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All functions return `false` if input is invalid or not found.
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### mime.lookup(path)
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Lookup the content-type associated with a file.
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```js
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mime.lookup('json') // 'application/json'
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mime.lookup('.md') // 'text/x-markdown'
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mime.lookup('file.html') // 'text/html'
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mime.lookup('folder/file.js') // 'application/javascript'
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mime.lookup('cats') // false
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```
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### mime.contentType(type)
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Create a full content-type header given a content-type or extension.
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```js
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mime.contentType('markdown') // 'text/x-markdown; charset=utf-8'
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mime.contentType('file.json') // 'application/json; charset=utf-8'
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```
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### mime.extension(type)
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Get the default extension for a content-type.
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```js
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mime.extension('application/octet-stream') // 'bin'
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```
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### mime.charset(type)
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Lookup the implied default charset of a content-type.
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```js
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mime.charset('text/x-markdown') // 'UTF-8'
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```
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### var type = mime.types[extension]
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A map of content-types by extension.
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### [extensions...] = mime.extensions[type]
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A map of extensions by content-type.
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## License
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[MIT](LICENSE)
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[npm-image]: https://img.shields.io/npm/v/mime-types.svg?style=flat
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[npm-url]: https://npmjs.org/package/mime-types
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[node-version-image]: https://img.shields.io/badge/node.js-%3E%3D_0.6-brightgreen.svg?style=flat
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[node-version-url]: http://nodejs.org/download/
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[travis-image]: https://img.shields.io/travis/jshttp/mime-types.svg?style=flat
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[travis-url]: https://travis-ci.org/jshttp/mime-types
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[coveralls-image]: https://img.shields.io/coveralls/jshttp/mime-types.svg?style=flat
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[coveralls-url]: https://coveralls.io/r/jshttp/mime-types
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[downloads-image]: https://img.shields.io/npm/dm/mime-types.svg?style=flat
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[downloads-url]: https://npmjs.org/package/mime-types
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