import { defineConfig, loadEnv } from 'vite';
import { dirname, resolve } from 'node:path';
import { fileURLToPath } from 'node:url';

const __dirname = dirname(fileURLToPath(import.meta.url))

export default defineConfig(async ({ mode, command }) => {
    const root = process.cwd();
    const env = loadEnv(mode, root);

    const {
        VITE_PUBLIC_PATH
    } = env;

    return {
        base: VITE_PUBLIC_PATH,
        build: {
            lib: {
                entry: resolve(__dirname, 'src/index.ts'),
                name: 'DeepEngine', // 打包后全局变量的名称
                fileName: (format: any) => `DeepEngine.${format}.js`,
                formats: ['es', 'umd']
            },
            outDir: "dist",
            sourcemap: false,
            // 规定触发警告的 chunk 大小。（以 kbs 为单位）
            chunkSizeWarningLimit: 1024 * 6,
        },
        plugins: [],
        optimizeDeps: {},
        server: {
            headers: {
                'Cross-Origin-Opener-Policy': 'same-origin',
                'Cross-Origin-Embedder-Policy': 'require-corp',
            }
        }
    }
})