refactor(cli): share styled select prompt helper

src/terminal/prompt-select-styled.test.ts

@@ -0,0 +1,50 @@
+import { beforeEach, describe, expect, it, vi } from "vitest";
+
+const { selectMock, stylePromptMessageMock, stylePromptHintMock } = vi.hoisted(() => ({
+  selectMock: vi.fn(),
+  stylePromptMessageMock: vi.fn((value: string) => `msg:${value}`),
+  stylePromptHintMock: vi.fn((value: string) => `hint:${value}`),
+}));
+
+vi.mock("@clack/prompts", () => ({
+  select: selectMock,
+}));
+
+vi.mock("./prompt-style.js", () => ({
+  stylePromptMessage: stylePromptMessageMock,
+  stylePromptHint: stylePromptHintMock,
+}));
+
+import { selectStyled } from "./prompt-select-styled.js";
+
+describe("selectStyled", () => {
+  beforeEach(() => {
+    selectMock.mockReset();
+    stylePromptMessageMock.mockClear();
+    stylePromptHintMock.mockClear();
+  });
+
+  it("styles message and option hints before delegating to clack select", () => {
+    const expected = Symbol("selected");
+    selectMock.mockReturnValue(expected);
+
+    const result = selectStyled({
+      message: "Pick channel",
+      options: [
+        { value: "stable", label: "Stable", hint: "Tagged releases" },
+        { value: "dev", label: "Dev" },
+      ],
+    });
+
+    expect(result).toBe(expected);
+    expect(stylePromptMessageMock).toHaveBeenCalledWith("Pick channel");
+    expect(stylePromptHintMock).toHaveBeenCalledWith("Tagged releases");
+    expect(selectMock).toHaveBeenCalledWith({
+      message: "msg:Pick channel",
+      options: [
+        { value: "stable", label: "Stable", hint: "hint:Tagged releases" },
+        { value: "dev", label: "Dev" },
+      ],
+    });
+  });
+});

src/terminal/prompt-select-styled.ts

@@ -0,0 +1,12 @@
+import { select } from "@clack/prompts";
+import { stylePromptHint, stylePromptMessage } from "./prompt-style.js";
+
+export function selectStyled<T>(params: Parameters<typeof select<T>>[0]) {
+  return select({
+    ...params,
+    message: stylePromptMessage(params.message),
+    options: params.options.map((opt) =>
+      opt.hint === undefined ? opt : { ...opt, hint: stylePromptHint(opt.hint) },
+    ),
+  });
+}