vite.config.ts

/// <reference types="vitest/config" />
import { defineConfig } from 'vite';
import react from '@vitejs/plugin-react';
import { resolve } from 'path';
import cssInjectedByJsPlugin from 'vite-plugin-css-injected-by-js';
import { visualizer } from 'rollup-plugin-visualizer';
import { readFileSync } from 'fs';

// https://vite.dev/config/
import path from 'node:path';
import { fileURLToPath } from 'node:url';
import { storybookTest } from '@storybook/addon-vitest/vitest-plugin';
const dirname = typeof __dirname !== 'undefined' ? __dirname : path.dirname(fileURLToPath(import.meta.url));

// Читаем версию из package.json
const packageJson = JSON.parse(readFileSync(resolve(dirname, 'package.json'), 'utf-8'));
const version = packageJson.version;

// More info at: https://storybook.js.org/docs/next/writing-tests/integrations/vitest-addon
export default defineConfig({
  define: {
    __LIBRARY_VERSION__: JSON.stringify(version),
  },
  plugins: [
    react(),
    cssInjectedByJsPlugin(),
    visualizer({
      filename: 'dist/bundle-analysis.html',
      open: false,
      gzipSize: true,
      brotliSize: true,
    })
  ],
  css: {
    modules: {
      localsConvention: 'camelCaseOnly'
    }
  },
  build: {
    lib: {
      entry: resolve(__dirname, 'src/index.ts'),
      name: 'ReactComponentLib',
      formats: ['es', 'cjs'],
      fileName: (format) => `index.${format === 'es' ? 'mjs' : 'js'}`
    },
    rollupOptions: {
      external: ['react', 'react-dom'],
      output: {
        globals: {
          react: 'React',
          'react-dom': 'ReactDOM'
        },
        assetFileNames: (assetInfo) => {
          if (assetInfo.name === 'style.css') return 'style.css';
          return assetInfo.name;
        }
      }
    },
    cssCodeSplit: false
  },
  test: {
    projects: [{
      extends: true,
      plugins: [
      // The plugin will run tests for the stories defined in your Storybook config
      // See options at: https://storybook.js.org/docs/next/writing-tests/integrations/vitest-addon#storybooktest
      storybookTest({
        configDir: path.join(dirname, '.storybook')
      })],
      test: {
        name: 'storybook',
        browser: {
          enabled: true,
          headless: true,
          provider: 'playwright',
          instances: [{
            browser: 'chromium'
          }]
        },
        setupFiles: ['.storybook/vitest.setup.ts']
      }
    }]
  }
});