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mime-types

The ultimate javascript content-type utility.

Similar to the `mime@1.x` module, except:

- No fallbacks. Instead of naively returning the first available type, `mime-types` simply returns `false`, so do ‘var type = mime.lookup('unrecognized’) || 'application/octet-stream'`.`
- `No`new Mime()`business, so you could do`var lookup = require('mime-types').lookup`.`
- `No`.define()`functionality`
- `Bug fixes for`.lookup(path)`

Otherwise, the API is compatible with `mime` 1.x.

# Install

This is a Node.js module available through the npm registry. Installation is done using the `npm install` command:

$ npm install mime-types

# Adding Types

All mime types are based on mime-db, so open a PR there if you'd like to add mime types.

# API

var mime = require('mime-types')

All functions return `false` if input is invalid or not found.

## mime.lookup(path)

Lookup the content-type associated with a file.

mime.lookup('json') // 'application/json'
mime.lookup('.md') // 'text/markdown'
mime.lookup('file.html') // 'text/html'
mime.lookup('folder/file.js') // 'application/javascript'
mime.lookup('folder/.htaccess') // false
mime.lookup('cats') // false

## mime.contentType(type)

Create a full content-type header given a content-type or extension. When given an extension, `mime.lookup` is used to get the matching content-type, otherwise the given content-type is used. Then if the content-type does not already have a `charset` parameter, `mime.charset` is used to get the default charset and add to the returned content-type.

mime.contentType('markdown') // 'text/x-markdown; charset=utf-8'
mime.contentType('file.json') // 'application/json; charset=utf-8'
mime.contentType('text/html') // 'text/html; charset=utf-8'
mime.contentType('text/html; charset=iso-8859-1') // 'text/html; charset=iso-8859-1'
// from a full path
mime.contentType(path.extname('/path/to/file.json')) // 'application/json; charset=utf-8'

## mime.extension(type)

Get the default extension for a content-type.

mime.extension('application/octet-stream') // 'bin'

## mime.charset(type)

Lookup the implied default charset of a content-type.

mime.charset('text/markdown') // 'UTF-8'

## var type = mime.types[extension]

A map of content-types by extension.

## [extensions...] = mime.extensions[type]

A map of extensions by content-type.

# License

[MIT](LICENSE)