如何在我的Graphql服务器中添加cors (Typescript)

Question

我在我的graphql服务器上应用cors时遇到了一个问题，因为它不起作用，我研究了很多，但所有这些都不起作用。

代码如下：

​

import { BasicServer } from 'realm-object-server'
import * as path from 'path'
import { GraphQLService } from 'realm-graphql-service'`enter code here`
import {cors} from 'cors'

const server = new BasicServer()

server.addService(new GraphQLService({
    // Turn this off in production!
    disableAuthentication: true
}))

server.start({
        // This is the location where ROS will store its runtime data
        dataPath: path.join(__dirname, '../data'),
        middlewares: [cors()]

    })
    .then(() => {
        console.log(`Realm Object Server was started on ${server.address}`)
    })
    .catch(err => {
        console.error(`Error starting Realm Object Server: ${err.message}`)
    })

​

如何在此graphql服务器上成功应用cors？

Answer 1

我觉得你导入cors的方式不对，试试这个：

​

import { BasicServer } from 'realm-object-server'
import * as path from 'path'
import { GraphQLService } from 'realm-graphql-service'`enter code here`
import * as cors from 'cors' // <====

const server = new BasicServer()

server.addService(new GraphQLService({
    // Turn this off in production!
    disableAuthentication: true
}))

server.start({
        // This is the location where ROS will store its runtime data
        dataPath: path.join(__dirname, '../data'),
        middlewares: [cors()]

    })
    .then(() => {
        console.log(`Realm Object Server was started on ${server.address}`)
    })
    .catch(err => {
        console.error(`Error starting Realm Object Server: ${err.message}`)
    })

​