import { defineConfig } from 'vite';
import { resolve } from 'path';
import fs from 'fs';
import path from 'path';

export default defineConfig({
  build: {
    lib: {
      entry: resolve(__dirname, 'src/ox/index.js'),
      name: 'Ox',
      formats: ['es', 'umd'],
      fileName: (format) => {
        if (format === 'es') return 'ox.esm.js';
        if (format === 'umd') return 'ox.umd.js';
        return `ox.${format}.js`;
      }
    },
    rollupOptions: {
      output: {
        globals: {
          // Any external dependencies would go here
        },
        // Keep all exports at top level
        preserveModules: false,
        // Ensure compatibility with older environments
        generatedCode: {
          constBindings: false
        }
      }
    },
    sourcemap: true,
    minify: false, // We'll minify separately for min/Ox.js
    outDir: 'dist',
    emptyOutDir: false
  },
  resolve: {
    alias: {
      '@': resolve(__dirname, './src'),
    }
  }
});