Initial commit: NetMesh smart ops platform with 3D topology, inspection reports, RCA and AI ops assistant

components/editor/UnsavedChangesDialog.test.ts

@@ -0,0 +1,16 @@
+import assert from "node:assert/strict";
+import { readFileSync } from "node:fs";
+import test from "node:test";
+
+const source = readFileSync(new URL("./UnsavedChangesDialog.tsx", import.meta.url), "utf8");
+
+test("unsaved prompt singleton registers during render, not only in useEffect", () => {
+  // AppView close / Cmd+W call promptUnsavedChanges outside the render-prop.
+  // Assigning only in useEffect leaves a first-paint window where the
+  // singleton is null and dirty closes silently resolve to "cancel".
+  assert.match(source, /promptSingleton = prompt;/);
+  assert.doesNotMatch(
+    source,
+    /useEffect\(\(\) => \{\s*promptSingleton = prompt;/,
+  );
+});