feat: move the terminal fully into the ssh-terminal plugin (B9)

plugins/ssh-terminal/tests/frontend/terminal/terminal-key-event.test.ts

@@ -0,0 +1,47 @@
+import { describe, expect, it } from "vitest";
+import {
+  isPhysicalShortcutKey,
+  isTabKeyEvent,
+} from "../../../src/frontend/terminal/terminal-key-event";
+
+describe("isTabKeyEvent", () => {
+  it.each([
+    ["key", new KeyboardEvent("keydown", { key: "Tab" })],
+    ["code", new KeyboardEvent("keydown", { code: "Tab" })],
+    [
+      "legacy keyCode",
+      new KeyboardEvent("keydown", { keyCode: 9 } as KeyboardEventInit),
+    ],
+  ])("recognizes Tab from %s", (_source, event) => {
+    expect(isTabKeyEvent(event)).toBe(true);
+  });
+
+  it("does not treat another key as Tab", () => {
+    expect(isTabKeyEvent(new KeyboardEvent("keydown", { key: "Enter" }))).toBe(
+      false,
+    );
+  });
+});
+
+describe("isPhysicalShortcutKey", () => {
+  it("matches copy and paste by physical code under a Cyrillic layout", () => {
+    expect(isPhysicalShortcutKey({ key: "с", code: "KeyC" }, "KeyC", "c")).toBe(
+      true,
+    );
+    expect(isPhysicalShortcutKey({ key: "м", code: "KeyV" }, "KeyV", "v")).toBe(
+      true,
+    );
+  });
+
+  it("does not confuse another physical key with a translated character", () => {
+    expect(isPhysicalShortcutKey({ key: "c", code: "KeyV" }, "KeyC", "c")).toBe(
+      false,
+    );
+  });
+
+  it("falls back to key when code is unavailable", () => {
+    expect(isPhysicalShortcutKey({ key: "C", code: "" }, "KeyC", "c")).toBe(
+      true,
+    );
+  });
+});