test(create): vitest and package name normalization

Made-with: Cursor

packages/create/src/utils/normalize-package-name.test.ts

@@ -0,0 +1,12 @@
+import { describe, expect, it } from "vitest";
+import { normalizePackageName } from "./normalize-package-name.js";
+
+describe("normalizePackageName", () => {
+  it("lowercases and replaces spaces", () => {
+    expect(normalizePackageName("My App")).toBe("my-app");
+  });
+
+  it("rejects leading dot", () => {
+    expect(() => normalizePackageName(".bad")).toThrow(/cannot start/);
+  });
+});

packages/create/src/utils/normalize-package-name.ts

@@ -0,0 +1,26 @@
+import { CliError } from "../errors.js";
+
+/**
+ * npm package name rules (simplified): lowercase, URL-safe, no leading dot, segments 1-214.
+ */
+export function normalizePackageName(input: string): string {
+  const trimmed = input.trim().toLowerCase();
+  if (!trimmed) {
+    throw new CliError("Project name cannot be empty", "INVALID_INPUT");
+  }
+  if (trimmed.startsWith(".") || trimmed.startsWith("_")) {
+    throw new CliError(
+      "Project name cannot start with . or _",
+      "INVALID_INPUT"
+    );
+  }
+  const safe = trimmed
+    .replace(/\s+/g, "-")
+    .replace(/[^a-z0-9-._~]/g, "-")
+    .replace(/-+/g, "-")
+    .replace(/^-+|-+$/g, "");
+  if (!safe || safe.length > 214) {
+    throw new CliError("Project name is invalid or too long", "INVALID_INPUT");
+  }
+  return safe;
+}

packages/create/vitest.config.ts

@@ -0,0 +1,8 @@
+import { defineConfig } from "vitest/config";
+
+export default defineConfig({
+  test: {
+    environment: "node",
+    include: ["src/**/*.test.ts"],
+  },
+});