/
rollup.config.js
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/
rollup.config.js
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/* eslint-env node */
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 replace from '@rollup/plugin-replace';
import json from '@rollup/plugin-json';
import { terser } from 'rollup-plugin-terser';
const production = !process.env.ROLLUP_WATCH;
export default {
input: 'src/main.js',
output: {
sourcemap: true,
format: 'iife',
name: 'app',
file: 'dist/bundle.js'
},
plugins: [
json({
exclude: ['node_modules/**'],
preferConst: true,
compact: true,
namedExports: false
}),
replace({
'process.env.NODE_ENV': production
? JSON.stringify('production')
: JSON.stringify('development')
}),
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('dist/bundle.css');
}
}),
// 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
resolve(),
commonjs(),
// Watch the `dist` directory and refresh the
// browser on changes when not in production
!production && livereload('dist'),
// If we're building for production (npm run build
// instead of npm run dev), minify
production && terser()
]
};