| [6a3a178] | 1 | # compressible
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| 2 |
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| 3 | [![NPM Version][npm-version-image]][npm-url]
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| 4 | [![NPM Downloads][npm-downloads-image]][npm-url]
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| 5 | [![Node.js Version][node-version-image]][node-version-url]
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| 6 | [![Build Status][travis-image]][travis-url]
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| 7 | [![Test Coverage][coveralls-image]][coveralls-url]
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| 8 |
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| 9 | Compressible `Content-Type` / `mime` checking.
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| 10 |
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| 11 | ## Installation
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| 12 |
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| 13 | ```sh
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| 14 | $ npm install compressible
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| 15 | ```
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| 16 |
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| 17 | ## API
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| 18 |
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| 19 | <!-- eslint-disable no-unused-vars -->
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| 20 |
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| 21 | ```js
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| 22 | var compressible = require('compressible')
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| 23 | ```
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| 24 |
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| 25 | ### compressible(type)
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| 26 |
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| 27 | Checks if the given `Content-Type` is compressible. The `type` argument is expected
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| 28 | to be a value MIME type or `Content-Type` string, though no validation is performed.
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| 29 |
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| 30 | The MIME is looked up in the [`mime-db`](https://www.npmjs.com/package/mime-db) and
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| 31 | if there is compressible information in the database entry, that is returned. Otherwise,
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| 32 | this module will fallback to `true` for the following types:
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| 33 |
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| 34 | * `text/*`
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| 35 | * `*/*+json`
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| 36 | * `*/*+text`
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| 37 | * `*/*+xml`
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| 38 |
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| 39 | If this module is not sure if a type is specifically compressible or specifically
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| 40 | uncompressible, `undefined` is returned.
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| 41 |
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| 42 | <!-- eslint-disable no-undef -->
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| 43 |
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| 44 | ```js
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| 45 | compressible('text/html') // => true
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| 46 | compressible('image/png') // => false
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| 47 | ```
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| 48 |
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| 49 | ## License
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| 50 |
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| 51 | [MIT](LICENSE)
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| 52 |
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| 53 | [coveralls-image]: https://badgen.net/coveralls/c/github/jshttp/compressible/master
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| 54 | [coveralls-url]: https://coveralls.io/r/jshttp/compressible?branch=master
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| 55 | [node-version-image]: https://badgen.net/npm/node/compressible
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| 56 | [node-version-url]: https://nodejs.org/en/download
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| 57 | [npm-downloads-image]: https://badgen.net/npm/dm/compressible
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| 58 | [npm-url]: https://npmjs.org/package/compressible
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| 59 | [npm-version-image]: https://badgen.net/npm/v/compressible
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| 60 | [travis-image]: https://badgen.net/travis/jshttp/compressible/master
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| 61 | [travis-url]: https://travis-ci.org/jshttp/compressible
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