@vaadin-component-factory/vcf-autocomplete/rollup.config.js

Web Component with a text input that provides a panel of suggested options.

import resolve from '@rollup/plugin-node-resolve';
import commonjs from '@rollup/plugin-commonjs';
import { terser } from 'rollup-plugin-terser';

// `npm run build` -> `production` is true
// `npm run dev` -> `production` is false
const production = !process.env.ROLLUP_WATCH;

export default {
  input: 'src/vcf-autocomplete.js',
  output: {
    file: 'public/bundle.js',
    format: 'iife', // immediately-invoked function expression — suitable for <script> tags
    sourcemap: true
  },
  plugins: [
    resolve(), // tells Rollup how to find date-fns in node_modules
    commonjs(), // converts date-fns to ES modules
    production && terser() // minify, but only in production
  ]
};