https://github.com/maccyber/micro-cors

Simple CORS middleware for Zeit's Micro
https://github.com/maccyber/micro-cors

Last synced: about 1 year ago
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Simple CORS middleware for Zeit's Micro

• Host: GitHub
• URL: https://github.com/maccyber/micro-cors
• Owner: maccyber
• Created: 2017-10-10T14:02:17.000Z (over 8 years ago)
• Default Branch: master
• Last Pushed: 2023-12-15T20:32:18.000Z (over 2 years ago)
• Last Synced: 2025-01-24T19:34:34.658Z (over 1 year ago)
• Language: JavaScript
• Size: 41 KB
• Stars: 1
• Watchers: 3
• Forks: 0
• Open Issues: 3
• Metadata Files:
  • Readme: README.md

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# CORS middleware for Micro

### Summary

Simple [CORS](https://developer.mozilla.org/en-US/docs/Web/HTTP/Access_control_CORS) middleware for Zeit's [Micro](https://github.com/zeit/micro)

### Install

```

npm i --save micro-cors

```

### Usage

Basic

```js

const cors = require('micro-cors')()

const handler = (req, res) => send(res, 200, 'ok!')

module.exports = cors(handler)

```

With options

```js

const microCors = require('micro-cors')

const cors = microCors({ allowMethods: ['PUT', 'POST'] })

const handler = (req, res) => send(res, 200, 'ok!')

module.exports = cors(handler)

```

With multiple wrappers

```js

const microCors = require('micro-cors')

const cors = require('micro-cors')()

const compose = (...fns) => fns.reduce((f, g) => (...args) => f(g(...args)))

const handle = async(req, res) => {

  return `Hello world`

}

module.exports = compose(

    cors,

    anotherWrapper,

    analitycsWrapper,

    redirectWrapper,

    yetAnotherWrapper

)(handle)

```

#### Options

##### `allowMethods`

default: `['POST','GET','PUT','DELETE','OPTIONS']`

##### `allowHeaders`

default: `['X-Requested-With','Access-Control-Allow-Origin','X-HTTP-Method-Override','Content-Type','Authorization','Accept']`

##### `exposeHeaders`

default: `[]`

##### `maxAge`

default: `86400`

##### `origin`

default: `*`