restify-cors-middleware/README.md

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# restify-cors-middleware
> CORS middleware with full [W3C spec](www.w3.org/TR/cors) support.
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[![NPM](http://img.shields.io/npm/v/restify-cors-middleware.svg?style=flat)](https://npmjs.org/package/restify-cors-middleware)
[![License](http://img.shields.io/npm/l/restify-cors-middleware.svg?style=flat)](https://github.com/TabDigital/restify-cors-middleware)
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[![Known Vulnerabilities](https://snyk.io/package/npm/restify-cors-middleware/badge.svg)](https://snyk.io/package/npm/restify-cors-middleware)
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## Usage
```js
var corsMiddleware = require('restify-cors-middleware');
var cors = corsMiddleware({
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preflightMaxAge: 5, //Optional
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origins: ['http://api.myapp.com', 'http://web.myapp.com'],
allowHeaders: ['API-Token'],
exposeHeaders: ['API-Token-Expiry']
});
server.pre(cors.preflight);
server.use(cors.actual);
```
## Compliance to the spec
See [unit tests](https://github.com/TabDigital/restify-cors-middleware/tree/master/test)
for examples of preflight and actual requests.