Cloudfront function to rewrite and redirect to a different location

index.js

function handler(event) {
    var request = event.request;
    var uri = request.uri;


    if (uri.startsWith('/api')) {
        uri=uri.replace('/api/','')
        var newurl = `https://backend-url/${uri}`
        var response = {
          // The status code is important.
                statusCode: 302,
                statusDescription: 'OK',
                headers:
                    { "location": { "value": newurl}
                    }
                    
                }

            return response;
    }
    }