fix: launch studio with node for built javascript

packages/cli/src/__tests__/studio.test.ts

@@ -0,0 +1,73 @@
+import { beforeEach, describe, expect, it, vi } from "vitest";
+
+const accessMock = vi.fn();
+const spawnMock = vi.fn(() => ({
+  on: vi.fn(),
+}));
+const logMock = vi.fn();
+const logErrorMock = vi.fn();
+
+vi.mock("node:fs/promises", () => ({
+  access: accessMock,
+}));
+
+vi.mock("node:child_process", () => ({
+  spawn: spawnMock,
+}));
+
+vi.mock("../utils.js", () => ({
+  findProjectRoot: vi.fn(() => "/project"),
+  log: logMock,
+  logError: logErrorMock,
+}));
+
+describe("studio command", () => {
+  beforeEach(() => {
+    vi.clearAllMocks();
+    vi.resetModules();
+  });
+
+  it("launches TypeScript sources through tsx in monorepo mode", async () => {
+    accessMock.mockImplementation(async (path: string) => {
+      if (path === "/studio/src/api/index.ts") {
+        return;
+      }
+      throw new Error(`missing: ${path}`);
+    });
+
+    const { studioCommand } = await import("../commands/studio.js");
+    await studioCommand.parseAsync(["node", "studio", "--port", "9001"]);
+
+    expect(spawnMock).toHaveBeenCalledWith(
+      "npx",
+      ["tsx", "/studio/src/api/index.ts"],
+      expect.objectContaining({
+        cwd: "/project",
+        stdio: "inherit",
+        env: expect.objectContaining({ INKOS_STUDIO_PORT: "9001" }),
+      }),
+    );
+  });
+
+  it("launches built JavaScript entries through node", async () => {
+    accessMock.mockImplementation(async (path: string) => {
+      if (path === "/project/node_modules/@actalk/inkos-studio/dist/api/index.js") {
+        return;
+      }
+      throw new Error(`missing: ${path}`);
+    });
+
+    const { studioCommand } = await import("../commands/studio.js");
+    await studioCommand.parseAsync(["node", "studio", "--port", "4567"]);
+
+    expect(spawnMock).toHaveBeenCalledWith(
+      "node",
+      ["/project/node_modules/@actalk/inkos-studio/dist/api/index.js"],
+      expect.objectContaining({
+        cwd: "/project",
+        stdio: "inherit",
+        env: expect.objectContaining({ INKOS_STUDIO_PORT: "4567" }),
+      }),
+    );
+  });
+});

packages/cli/src/commands/studio.ts

@@ -49,7 +49,11 @@ export const studioCommand = new Command("studio")
 
     log(`Starting InkOS Studio on http://localhost:${port}`);
 
-    const child = spawn("npx", ["tsx", studioEntry], {
+    const launch = studioEntry.endsWith(".ts")
+      ? { command: "npx", args: ["tsx", studioEntry] }
+      : { command: "node", args: [studioEntry] };
+
+    const child = spawn(launch.command, launch.args, {
       cwd: root,
       stdio: "inherit",
       env: { ...process.env, INKOS_STUDIO_PORT: port },