createNodeRequestHandler — Angular

Attaches metadata to the handler function to mark it as a special handler for Node.js environments.

API

function createNodeRequestHandler<T extends NodeRequestHandlerFunction>(
  handler: T,
): T;

@paramhandlerT

The handler function to be defined and annotated.

@returnsT

The same handler function passed as an argument, with metadata attached.

Usage Notes

Usage in an Express application:

const app = express();
export default createNodeRequestHandler(app);

Usage in a Hono application:

const app = new Hono();
export default createNodeRequestHandler(async (req, res, next) => {
  try {
    const webRes = await app.fetch(createWebRequestFromNodeRequest(req));
    if (webRes) {
      await writeResponseToNodeResponse(webRes, res);
    } else {
      next();
    }
  } catch (error) {
    next(error);
  }
});

Usage in a Fastify application:

const app = Fastify();
export default createNodeRequestHandler(async (req, res) => {
  await app.ready();
  app.server.emit('request', req, res);
});