feat: hide cursor on mount, show on unmount (matching Ink)

Write ESC[?25l to stdout after mount and ESC[?25h during teardown, matching Ink's cursor management. Only active in production mode (debug: false) to avoid interfering with test streams. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-05-26 01:00:17 +08:00
parent 8585598d14
commit 42c69d72f2
2 changed files with 53 additions and 0 deletions
@@ -0,0 +1,43 @@
+import { defineComponent, nextTick } from "vue";
+import { expect, test } from "vite-plus/test";
+import { createApp, Text } from "@vue-tui/runtime";
+import { PassThrough } from "node:stream";
+
+function makeTtyStream() {
+  const stream = new PassThrough() as unknown as NodeJS.WriteStream & { chunks: string[] };
+  Object.assign(stream, { isTTY: true, columns: 80, rows: 24 });
+  stream.chunks = [];
+  (stream as unknown as PassThrough).on("data", (chunk: Buffer) =>
+    stream.chunks.push(chunk.toString()),
+  );
+  return stream;
+}
+
+test("mount hides cursor, unmount shows cursor", async () => {
+  const stdout = makeTtyStream();
+  const stderr = makeTtyStream();
+  const stdin = new PassThrough() as unknown as NodeJS.ReadStream;
+  Object.assign(stdin, {
+    isTTY: true,
+    setRawMode() {
+      return stdin;
+    },
+  });
+
+  const App = defineComponent(() => () => <Text>hello</Text>);
+
+  const app = createApp(App);
+  app.mount({ stdout, stdin, stderr, debug: false, exitOnCtrlC: false });
+  await nextTick();
+
+  // Cursor should be hidden after mount
+  const afterMount = stdout.chunks.join("");
+  expect(afterMount).toContain("\x1b[?25l");
+
+  app.unmount();
+  await nextTick();
+
+  // Cursor should be shown after unmount
+  const afterUnmount = stdout.chunks.join("");
+  expect(afterUnmount).toContain("\x1b[?25h");
+});