rjweb-server
Version:
Easy and Robust Way to create a Web Server with Many Easy-to-use Features in NodeJS
21 lines (20 loc) • 1.2 kB
JavaScript
import Middleware from "../classes/Middleware";
export default new Middleware('Built-in CORS Middleware', '1.0.0')
.httpRequest((config, server, context, ctr, end) => {
if (config.allowAll || config.origins?.length)
ctr.headers.set('access-control-allow-origin', config.allowAll ? '*' : config.origins?.join(', '));
if (config.allowAll || config.methods?.length)
ctr.headers.set('access-control-allow-methods', config.allowAll ? '*' : config.methods?.join(', '));
if (config.allowAll || config.headers?.length)
ctr.headers.set('access-control-allow-headers', config.allowAll ? '*' : config.headers?.join(', '));
if (config.allowAll || config.exposeHeaders?.length)
ctr.headers.set('access-control-expose-headers', config.allowAll ? '*' : config.exposeHeaders?.join(', '));
if (config.allowAll || config.credentials)
ctr.headers.set('access-control-allow-credentials', config.allowAll ? '*' : 'true');
if (config.maxAge)
ctr.headers.set('access-control-max-age', config.maxAge.toString());
if (ctr.url.method === 'OPTIONS' && !context.route) {
return end(ctr.status(ctr.$status.NO_CONTENT));
}
})
.export();