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

export default defineConfig({
  plugins: [react()],
  // Native tsconfig path resolution (replaces vite-tsconfig-paths in Vite 5+/Vitest 2+).
  resolve: {
    tsconfigPaths: true,
  },
  test: {
    // jsdom covers the few client-helper modules we test (auth-provider, csv export, etc.)
    // Server-side unit tests don't depend on the DOM.
    environment: "jsdom",
    globals: false,
    include: [
      "src/**/*.{test,spec}.{ts,tsx}",
      // One-shot scripts under `scripts/` ship their own *.test.ts
      // (e.g. scripts/backfill-stock-prices.test.ts for the pure
      // decision logic). Pulled in here so `vitest run scripts/<x>`
      // picks them up without a per-script config file.
      "scripts/**/*.test.ts",
    ],
    // Exclude Playwright E2E specs from Vitest.
    exclude: [
      "node_modules/**",
      ".next/**",
      "e2e/**",
      "playwright-report/**",
      "test-results/**",
    ],
    setupFiles: ["./src/test-setup.ts"],
  },
});