rollup.config.js

/* eslint-disable */
import svelte from 'rollup-plugin-svelte';
import { nodeResolve } from '@rollup/plugin-node-resolve';
import commonjs from '@rollup/plugin-commonjs';
import livereload from 'rollup-plugin-livereload';
import { terser } from 'rollup-plugin-terser';
import globals from 'rollup-plugin-node-globals';
import pkg from './package.json';

const production = !process.env.ROLLUP_WATCH;

export default [
  {
    input: 'src/index.js',
    output: [
      { file: pkg.module, 'format': 'es' }
    ],
    plugins: [
      svelte({
        // enable run-time checks when not in production
        dev: !production
      }),
  
      // If you have external dependencies installed from
      // npm, you'll most likely need these plugins. In
      // some cases you'll need additional configuration —
      // consult the documentation for details:
      // https://github.com/rollup/rollup-plugin-commonjs
      nodeResolve(),
      commonjs(),
      // analyze({ summaryOnly: true }),
  
      // Allows you to use 'process'
      globals(),
  
      // 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()
    ]
  }
]