rollup.config.mjs

import rollupReplace from '@rollup/plugin-replace';
import rollupTypescript from '@rollup/plugin-typescript';
import dts from 'rollup-plugin-dts';
import typescript from 'typescript';
import { createRequire } from 'module';
const require = createRequire(import.meta.url);
const pkg = require('./package.json');

const license = `/*!
 * ${ pkg.name }
 * https://github.com/${ pkg.repository }
 * (c) 2017 @yomotsu
 * Released under the MIT License.
 */`;

export default [
	{
		input: 'src/index.ts',
		output: [
			{
				format: 'es',
				file: pkg.module,
				banner: license,
				indent: '\t',
				exports: 'named',
			},
			{
				format: 'cjs',
				file: pkg.main,
				banner: license,
				indent: '\t',
				exports: 'named',
			}
		],
		plugins: [
			rollupReplace( { preventAssignment: true, __VERSION: pkg.version } ),
			rollupTypescript( { typescript, declaration: false } ),
		],
	},
	{
		input: 'src/index.ts',
		output: {
			file: pkg.types,
			format: 'es',
		},
		plugins: [
			dts( { compilerOptions: { preserveSymlinks: false } } ),
		],
	}
];