[Init] Initial commit - NetMesh terminal manager

application/state/useStoredNumber.test.ts

@@ -0,0 +1,19 @@
+import test from "node:test";
+import assert from "node:assert/strict";
+import { createStoredNumberSyncHandler } from "./useStoredNumber.ts";
+
+test("stored number instances adopt same-window adapter changes", () => {
+  let current = 14;
+  let received = 14;
+  const handler = createStoredNumberSyncHandler({
+    storageKey: "note-size",
+    readValue: () => current,
+    onValue: (value) => { received = value; },
+  });
+
+  current = 18;
+  handler(new CustomEvent("netcatty:local-storage-adapter-changed", { detail: { key: "other" } }));
+  assert.equal(received, 14);
+  handler(new CustomEvent("netcatty:local-storage-adapter-changed", { detail: { key: "note-size" } }));
+  assert.equal(received, 18);
+});