Initial commit: MVP+ wish board with FastAPI + Tailwind

node_modules/@hello-pangea/dnd/src/state/middleware/responders/expiring-announce.ts

@@ -0,0 +1,43 @@
+import type { Announce } from '../../../types';
+import { warning } from '../../../dev-warning';
+
+export type ExpiringAnnounce = Announce & {
+  wasCalled: () => boolean;
+};
+
+export default (announce: Announce): ExpiringAnnounce => {
+  let wasCalled = false;
+  let isExpired = false;
+
+  // not allowing async announcements
+  const timeoutId: TimeoutID = setTimeout(() => {
+    isExpired = true;
+  });
+
+  const result = (message: string): void => {
+    if (wasCalled) {
+      warning('Announcement already made. Not making a second announcement');
+
+      return;
+    }
+
+    if (isExpired) {
+      warning(`
+        Announcements cannot be made asynchronously.
+        Default message has already been announced.
+      `);
+      return;
+    }
+
+    wasCalled = true;
+    announce(message);
+    clearTimeout(timeoutId);
+  };
+
+  // getter for isExpired
+  // using this technique so that a consumer cannot
+  // set the isExpired or wasCalled flags
+  result.wasCalled = (): boolean => wasCalled;
+
+  return result;
+};