routie dev init since i didn't adhere to any proper guidance up until now

frontend/node_modules/@apidevtools/json-schema-ref-parser/lib/util/maybe.ts

@@ -0,0 +1,22 @@
+import next from "./next.js";
+
+type MaybeParams<T> = (err: Error | any | null, result?: T) => void;
+export default function maybe<T>(cb: MaybeParams<T> | undefined, promise: Promise<T>): Promise<T> | void {
+  if (cb) {
+    promise.then(
+      function (result) {
+        next(function () {
+          cb(null, result);
+        });
+      },
+      function (err) {
+        next(function () {
+          cb(err);
+        });
+      },
+    );
+    return undefined;
+  } else {
+    return promise;
+  }
+}