helix-engage-server/packages/widget-src/vite.config.ts

import { defineConfig } from 'vite';
import preact from '@preact/preset-vite';

export default defineConfig({
    plugins: [preact()],
    build: {
        lib: {
            entry: 'src/main.tsx',
            name: 'HelixWidget',
            fileName: () => 'widget.js',
            formats: ['iife'],
        },
        outDir: '../../helix-engage-server/public',
        emptyOutDir: false,
        minify: 'esbuild',
        rollupOptions: {
            output: {
                inlineDynamicImports: true,
            },
        },
    },
});