Function createMiddleware

packages/start/src/middleware/index.ts:65–92

(
  args:
    | {
        /** @deprecated Use H3 `Middleware` */
        onRequest?: RequestMiddleware | RequestMiddleware[] | undefined;
        /** @deprecated Use H3 `Middleware` */
        onBeforeResponse?: ResponseMiddleware | ResponseMiddleware[] | undefined;
      }
    | Middleware[],
)

 *
 */
export function createMiddleware(
  args:
    | {
        /** @deprecated Use H3 `Middleware` */
        onRequest?: RequestMiddleware | RequestMiddleware[] | undefined;
        /** @deprecated Use H3 `Middleware` */
        onBeforeResponse?: ResponseMiddleware | ResponseMiddleware[] | undefined;
      }
    | Middleware[],
): Middleware[] {
  if (Array.isArray(args)) return args;

  const mw: Middleware[] = [];

  if (typeof args.onRequest === "function") {
    mw.push(wrapRequestMiddleware(args.onRequest));
  } else if (Array.isArray(args.onRequest)) {
    mw.push(...args.onRequest.map(wrapRequestMiddleware));
  }

  if (typeof args.onBeforeResponse === "function") {
    mw.push(wrapResponseMiddleware(args.onBeforeResponse));
  } else if (Array.isArray(args.onBeforeResponse)) {
    mw.push(...args.onBeforeResponse.map(wrapResponseMiddleware));
  }

  return mw;
}