Wabenhain/vitest.config.ts

import { defineConfig } from "vitest/config";
import react from "@vitejs/plugin-react";
import path from "node:path";

export default defineConfig({
  plugins: [react()],
  resolve: {
    alias: {
      "@": path.resolve(__dirname, "./src"),
    },
  },
  test: {
    // jsdom global statt node: Komponenten-Tests (Testing Library) brauchen
    // ein DOM; die paar reinen lib/-Tests laufen darin genauso korrekt, nur
    // mit minimal mehr Setup-Overhead pro Datei.
    environment: "jsdom",
    include: ["src/**/*.test.ts", "src/**/*.test.tsx"],
    exclude: ["e2e/**"],
    setupFiles: ["./vitest.setup.ts"],
  },
});