Fix command palette keyboard navigation (#1304)

src/ui/tests/lib/app-keyboard-shortcuts.test.ts

@@ -0,0 +1,30 @@
+import { describe, expect, it, vi } from "vitest";
+import { dispatchCtrlW, isShiftKey } from "../../lib/app-keyboard-shortcuts";
+
+describe("app keyboard shortcuts", () => {
+  it.each(["ShiftLeft", "ShiftRight"])(
+    "accepts %s for double Shift",
+    (code) => {
+      expect(isShiftKey({ key: "Shift", code })).toBe(true);
+    },
+  );
+
+  it("does not classify other keys as Shift", () => {
+    expect(isShiftKey({ key: "w", code: "KeyW" })).toBe(false);
+  });
+
+  it("lets the focused control consume Electron Ctrl+W", () => {
+    const target = document.createElement("input");
+    const listener = vi.fn((event: KeyboardEvent) => event.preventDefault());
+    target.addEventListener("keydown", listener);
+
+    expect(dispatchCtrlW(target)).toBe(true);
+    expect(listener).toHaveBeenCalledWith(
+      expect.objectContaining({ key: "w", code: "KeyW", ctrlKey: true }),
+    );
+  });
+
+  it("falls back to closing the active tab when Ctrl+W is not consumed", () => {
+    expect(dispatchCtrlW(document.createElement("div"))).toBe(false);
+  });
+});