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[JIRC.git] / node_modules / mime / README.md
1 # mime
2
3 Comprehensive MIME type mapping API. Includes all 600+ types and 800+ extensions defined by the Apache project, plus additional types submitted by the node.js community.
4
5 ## Install
6
7 Install with [npm](http://github.com/isaacs/npm):
8
9 npm install mime
10
11 ## API - Queries
12
13 ### mime.lookup(path)
14 Get the mime type associated with a file. Performs a case-insensitive lookup using the extension in `path` (the substring after the last '/' or '.'). E.g.
15
16 var mime = require('mime');
17
18 mime.lookup('/path/to/file.txt'); // => 'text/plain'
19 mime.lookup('file.txt'); // => 'text/plain'
20 mime.lookup('.TXT'); // => 'text/plain'
21 mime.lookup('htm'); // => 'text/html'
22
23 ### mime.extension(type)
24 Get the default extension for `type`
25
26 mime.extension('text/html'); // => 'html'
27 mime.extension('application/octet-stream'); // => 'bin'
28
29 ### mime.charsets.lookup()
30
31 Map mime-type to charset
32
33 mime.charsets.lookup('text/plain'); // => 'UTF-8'
34
35 (The logic for charset lookups is pretty rudimentary. Feel free to suggest improvements.)
36
37 ## API - Defining Custom Types
38
39 The following APIs allow you to add your own type mappings within your project. If you feel a type should be included as part of node-mime, see [requesting new types](https://github.com/broofa/node-mime/wiki/Requesting-New-Types).
40
41 ### mime.define()
42
43 Add custom mime/extension mappings
44
45 mime.define({
46 'text/x-some-format': ['x-sf', 'x-sft', 'x-sfml'],
47 'application/x-my-type': ['x-mt', 'x-mtt'],
48 // etc ...
49 });
50
51 mime.lookup('x-sft'); // => 'text/x-some-format'
52
53 The first entry in the extensions array is returned by `mime.extension()`. E.g.
54
55 mime.extension('text/x-some-format'); // => 'x-sf'
56
57 ### mime.load(filepath)
58
59 Load mappings from an Apache ".types" format file
60
61 mime.load('./my_project.types');
62
63 The .types file format is simple - See the `types` dir for examples.