import { resolve } from 'path';
import { defineConfig } from 'vite';
import dts from 'vite-plugin-dts';

export default defineConfig({
    build: {
        target: 'es2022',
        lib: {
            entry: resolve(__dirname, 'src/entry.ts'),
            formats: ['es'],
            fileName: 'impost',
        },
        rollupOptions: {
            external: [/^lit/, /^@lit\//],
            output: {
                preserveModules: false,
                dir: 'dist',
            },
        },
        minify: true
    },

    plugins: [
        dts()
    ],
});