Vitest Setup

Detect the project type, generate the right Vitest configuration, and produce working test infrastructure. Not a reference card — this skill creates files.

Workflow

1. Detect — scan the project to determine type and existing setup
2. Configure — generate vitest.config.ts tailored to the environment
3. Scaffold — create test setup, utilities, and a sample test
4. Wire up — add package.json scripts and TypeScript config

Step 1: Detect Project Type

Read these files to determine the project:

package.json          → dependencies, scripts, type field
tsconfig.json         → paths, compiler options
wrangler.toml         → Cloudflare Workers project