import path from 'path';
import { defineConfig } from 'vitest/config';
import react from '@vitejs/plugin-react';
import tsconfigPaths from 'vite-tsconfig-paths';

export default defineConfig({
  plugins: [tsconfigPaths(), react()],
  resolve: {
    alias: {
      // The @pdfjs alias from tsconfig only resolves within the app's own
      // source files.  foliate-js/pdf.js lives outside that scope, so Vite
      // needs an explicit alias to find the vendored pdfjs build.
      '@pdfjs': path.resolve(__dirname, 'public/vendor/pdfjs'),
    },
  },
  test: {
    environment: 'jsdom',
    setupFiles: ['./vitest.setup.ts'],
    exclude: ['**/node_modules/**', '**/dist/**', '**/*.browser.test.ts', '**/*.tauri.test.ts'],
  },
});