Svelte ui5-wc rollup

rollup.config.js

import svelte from 'rollup-plugin-svelte';
import resolve from 'rollup-plugin-node-resolve';
import commonjs from 'rollup-plugin-commonjs';
import livereload from 'rollup-plugin-livereload';
import scss from 'rollup-plugin-scss'
import url from "@rollup/plugin-url";
import { terser } from 'rollup-plugin-terser';
import { string } from "rollup-plugin-string";
import json from '@rollup/plugin-json';

const production = !process.env.ROLLUP_WATCH;

export default {
	input: 'src/main.js',
	output: {
		sourcemap: true,
		format: 'iife',
		name: 'app',
		file: 'public/bundle.js',
	},
	plugins: [
		svelte({
			// enable run-time checks when not in production
			dev: !production,
			// we'll extract any component CSS out into
			// a separate file — better for performance
			css: css => {
				css.write('public/bundle.css');
			}
		}),
		string({
			// Required to be specified
			include: "./src/**/*.graphql"
		}),

		resolve({
			browser: true,
			dedupe: importee => importee === 'svelte' || importee.startsWith('svelte/')
		}),

		url({
			limit: 0, // inline files < 10k, copy files > 10k
			include: "./node_modules/@ui5/webcomponents/dist/assets/i18n/*.json", // defaults to .svg, .png, .jpg and .gif files
			fileName: "languages/[name].[hash][extname]",
			publicPath: "/"
		}),
		commonjs(),

		scss(),
		json({include:[ "./src/**", "./node_modules/@ui5/webcomponents-icons/dist/assets/icon-collections/**"]}),



		// Watch the `public` directory and refresh the
		// browser on changes when not in production
		!production && livereload('public'),

		// If we're building for production (npm run build
		// instead of npm run dev), minify
		production && terser()
	],
	watch: {
		clearScreen: false
	}
};