nextjs Access-Control-Allow-Origin
//npm i cors
//# or
//yarn add cors
import Cors from 'cors'
// Initializing the cors middleware
const cors = Cors({
methods: ['GET', 'HEAD'],
})
// Helper method to wait for a middleware to execute before continuing
// And to throw an error when an error happens in a middleware
function runMiddleware(req, res, fn) {
return new Promise((resolve, reject) => {
fn(req, res, (result) => {
if (result instanceof Error) {
return reject(result)
}
return resolve(result)
})
})
}
async function handler(req, res) {
// Run the middleware
await runMiddleware(req, res, cors)
// Rest of the API logic
res.json({ message: 'Hello Everyone!' })
}
export default handler
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