DefinitelyTyped/types/next/next-tests.ts

import createServer from 'next';
import * as http from 'http';
import * as url from 'url';

const defaultServer = createServer();
const server = createServer({
  dir: '..',
  quiet: true,
  conf: {
    distDir: './dist',
    useFileSystemPublicRoutes: false,
    anotherProperty: {
      key: true
    }
  }
});

const voidFunc = () => {};
const stringFunc = (x: string) => x.split('\n');

server.prepare().then(voidFunc);
server.close().then(voidFunc);
server.defineRoutes().then(voidFunc);
server.start().then(voidFunc);

const parsedUrl = url.parse('https://www.example.com');
const handler = server.getRequestHandler();

function handle(req: http.IncomingMessage, res: http.ServerResponse) {
  handler(req, res);
  handler(req, res, parsedUrl).then(voidFunc);
  server.run(req, res, parsedUrl).then(voidFunc);

  server.render(req, res, '/path/to/resource', {}, parsedUrl).then(voidFunc);
  server.render(req, res, '/path/to/resource', { key: 'value' }, parsedUrl).then(voidFunc);
  server.renderError(new Error(), req, res, '/path/to/resource', { key: 'value' }).then(voidFunc);
  server.renderError('this can be an error, too!', req, res, '/path/to/resource', { key: 'value' }).then(voidFunc);
  server.render404(req, res, parsedUrl).then(voidFunc);

  server.renderToHTML(req, res, '/path/to/resource', { foo: 'bar' }).then(x => x.split('\n'));
  server.renderErrorToHTML(new Error(), req, res, '/path/to/resource', { foo: 'bar' }).then(x => x.split('\n'));

  server.serveStatic(req, res, '/path/to/thing').then(voidFunc);

  let b: boolean;
  b = server.isServeableUrl('/path/to/thing');
  b = server.isInternalUrl(req);
  b = server.handleBuildId('{buildId}', res);

  const s: string = server.readBuildId();
  server.getCompilationError('page', req, res).then(err => err.thisIsAnAny);
  server.handleBuildHash('filename', 'hash', res);
  server.send404(res);
}