maccyber/micro-cors

Simple CORS middleware for Zeit's Micro

CORS middleware for Micro

Summary

Simple CORS middleware for Zeit's Micro

Install

npm i --save micro-cors

Usage

Basic

const cors = require('micro-cors')()
const handler = (req, res) => send(res, 200, 'ok!')

module.exports = cors(handler)

With options

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

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: *