rollup.config.mjs

import resolve from '@rollup/plugin-node-resolve';
import commonjs from '@rollup/plugin-commonjs';
import babel from '@rollup/plugin-babel';
import replace from '@rollup/plugin-replace';
import terser from '@rollup/plugin-terser';

export default [
	{
		input: 'src/index.js',
		output: {
			file: 'dist/agnostic-draggable.js',
			format: 'umd',
			exports: 'named',
			name: 'agnosticDraggable',
			sourcemap: true
		},
		plugins: [
			resolve({ browser: true, preferBuiltins: false }),
			commonjs(),
			babel({
				babelHelpers: 'bundled',
				exclude: /node_modules/,
				presets: [
					[
						'@babel/preset-env',
						{
							useBuiltIns: 'usage',
							corejs: 3
						}
					]
				],
				plugins: ['array-includes']
			}),
			replace({
				'process.env.NODE_ENV': JSON.stringify('production'),
				preventAssignment: true
			})
		],
		strictDeprecations: true
	},
	{
		input: 'src/index.js',
		output: {
			file: 'dist/agnostic-draggable.min.js',
			format: 'umd',
			exports: 'named',
			name: 'agnosticDraggable',
			plugins: [terser()]
		},
		plugins: [
			resolve({ browser: true, preferBuiltins: false }),
			commonjs(),
			babel({
				babelHelpers: 'bundled',
				exclude: /node_modules/,
				presets: [
					[
						'@babel/preset-env',
						{
							useBuiltIns: 'usage',
							corejs: 3
						}
					]
				],
				plugins: ['array-includes']
			}),
			replace({
				'process.env.NODE_ENV': JSON.stringify('production'),
				preventAssignment: true
			})
		],
		strictDeprecations: true
	}
];