import resolve from "@rollup/plugin-node-resolve";
import { terser } from "rollup-plugin-terser";
import minifyHTML from "rollup-plugin-minify-html-literals";
import copy from "rollup-plugin-copy";

// Static assets will vary depending on the application
const copyConfig = {
    targets: [
        { src: "node_modules/@webcomponents", dest: "build-modern/node_modules" },
        { src: "images", dest: "build-modern" },
        { src: "data", dest: "build-modern" },
        { src: "index.html", dest: "build-modern" },
    ],
};

// The main JavaScript bundle for modern browsers that support
// JavaScript modules and other ES2015+ features.
const config = {
    input: "dist/src/pendor-clock.js",
    output: {
        dir: "build-modern/",
        format: "es",
    },
    plugins: [minifyHTML(), copy(copyConfig), resolve()],
    preserveEntrySignatures: false,
};

if (process.env.NODE_ENV !== "development") {
    config.plugins.push(terser());
}

export default config;