import babel from 'rollup-plugin-babel';
import resolve from 'rollup-plugin-node-resolve';
import commonjs from 'rollup-plugin-commonjs';
import { terser } from 'rollup-plugin-terser';
import copy from "rollup-plugin-copy";
import sass from "rollup-plugin-sass";

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

export default {
    input: 'test/index.jsx',
    output: {
        file: 'public/index.js',
        format: 'iife', // immediately-invoked function expression — suitable for <script> tags
        sourcemap: true
    },
    plugins: [
        sass(),
        babel(), // babel
        resolve(), // node_modules
        commonjs(), // CJS-modules
        production && terser(), // minify, but only in production
        copy({
            targets: [
                { src: 'test/index.html', dest: 'public' }
            ],
            copyOnce: true
        })
    ]
};