vite.config.lib.ts

import { defineConfig } from 'vite';
import react from '@vitejs/plugin-react';
import { resolve } from 'path';
import { fileURLToPath } from 'url';

const __dirname = fileURLToPath(new URL('.', import.meta.url));

// https://vitejs.dev/config/
export default defineConfig({
  plugins: [react()],
  build: {
    lib: {
      entry: resolve(__dirname, 'src/index.ts'),
      name: 'AStarVisualizer',
      formats: ['es', 'umd'],
      fileName: (format) => `astar-visualizer.${format === 'es' ? 'js' : 'umd.cjs'}`,
    },
    rollupOptions: {
      // Externalize deps that shouldn't be bundled
      external: ['react', 'react-dom', 'react/jsx-runtime'],
      output: {
        globals: {
          react: 'React',
          'react-dom': 'ReactDOM',
          'react/jsx-runtime': 'react/jsx-runtime',
        },
      },
    },
    cssCodeSplit: false,
  },
});