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README.md	10988628a0 语音房项目初始化	5 роки тому
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package.json	10988628a0 语音房项目初始化	5 роки тому

Koa Static Cache

Static server for koa.

Differences between this library and other libraries such as static:

There is no directory or index.html support.
You may optionally store the data in memory - it streams by default.
Caches the assets on initialization - you need to restart the process to update the assets.
Uses MD5 hash sum as an ETag.

Installation

$ npm install koa-static-cache

API

staticCache(dir [, options] [, files])

var path = require('path')
var staticCache = require('koa-static-cache')

app.use(staticCache(path.join(__dirname, 'public'), {
  maxAge: 365 * 24 * 60 * 60
}))

dir (str) - the directory you wish to serve, priority than options.dir.
options.dir (str) - the directory you wish to serve, default to process.cwd.
options.maxAge (int) - cache control max age for the files, 0 by default.
options.cacheControl (str) - optional cache control header. Overrides options.maxAge.
options.buffer (bool) - store the files in memory instead of streaming from the filesystem on each request.
options.gzip (bool) - when request's accept-encoding include gzip, files will compressed by gzip.
options.alias (obj) - object map of aliases. See below.
options.prefix (str) - the url prefix you wish to add, default to ''.
files (obj) - optional files object. See below.

Aliases

For example, if you have this alias object:

{
  '/favicon.png': '/favicon-32.png'
}

Then requests to /favicon.png will actually return /favicon-32.png without redirects or anything. This is particularly important when serving favicons as you don't want to store duplicate images.

Files

You can pass in an optional files object. This allows you to do two things:

Combining directories into a single middleware

Instead of doing:

app.use(staticCache('/public/js'))
app.use(staticCache('/public/css'))

You can do this:

var files = {}

// Mount the middleware
app.use(staticCache('/public/js', {}, files))

// Add additional files
staticCache('/public/css', {}, files)

The benefit is that you'll have one less function added to the stack as well as doing one hash lookup instead of two.

Editing the files object

For example, if you want to change the max age of /package.json, you can do the following:

var files = {}

app.use(staticCache('/public', {
  maxAge: 60 * 60 * 24 * 365
}, files))

files['/package.json'].maxAge = 60 * 60 * 24 * 30

License

The MIT License (MIT)

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

README.md