rollup.config.js
import resolve from '@rollup/plugin-node-resolve'
import commonjs from '@rollup/plugin-commonjs'
import typescript from '@rollup/plugin-typescript'
import terser from '@rollup/plugin-terser'
import pkg from './package.json'
const production = !process.env.ROLLUP_WATCH
const terserPlugin = terser({
output: {
comments: false,
},
})
export default [
{
input: 'src/littlefoot.ts',
plugins: [
resolve({ mainFields: ['main'] }),
commonjs(),
typescript(),
production && terserPlugin,
],
context: 'window',
output: {
name: 'littlefoot',
file: pkg.browser,
format: 'umd',
},
},
{
input: 'src/littlefoot.ts',
external: Object.keys(pkg.dependencies),
plugins: [typescript(), production && terserPlugin],
context: 'window',
output: [
{
exports: 'named',
file: pkg.main,
format: 'cjs',
},
],
},
{
input: 'src/littlefoot.ts',
external: Object.keys(pkg.dependencies),
plugins: [typescript({ target: 'ES6' }), production && terserPlugin],
context: 'window',
output: [
{
exports: 'named',
file: pkg.module,
format: 'es',
},
],
},
]