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rollup.config.mjs
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rollup.config.mjs
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import path from 'node:path'
import { fileURLToPath } from 'node:url'
import { babel } from '@rollup/plugin-babel'
import commonjs from '@rollup/plugin-commonjs'
import { nodeResolve } from '@rollup/plugin-node-resolve' // eslint-disable-line import/namespace
import typescript from '@rollup/plugin-typescript'
import dts from 'rollup-plugin-dts'
import terser from '@rollup/plugin-terser'
import pkg from './package.json' assert { type: 'json' }
const _dirname =
typeof __dirname !== 'undefined'
? __dirname
: path.dirname(fileURLToPath(import.meta.url))
const resolve = fp => path.resolve(_dirname, fp)
const inputFileName = 'src/index.ts'
const moduleName = pkg.name.replace(/^@.*\//, '')
const banner = `
/**
* @license
* author: ${pkg.author}
* ${moduleName} v${pkg.version}
* Released under the ${pkg.license} license.
*/
`
const external = [...Object.keys(pkg.dependencies || {})]
const pluginsBase = [
typescript({
outputToFilesystem: false,
}),
nodeResolve({
browser: true,
jsnext: true,
}),
commonjs({
extensions: ['.js', '.ts'],
}),
babel({
babelHelpers: 'bundled',
configFile: resolve('.babelrc'),
}),
]
/* Main Config */
export default [
/* CommonJS */
{
external,
input: inputFileName,
output: {
banner,
exports: 'named',
file: pkg.main,
format: 'cjs',
},
plugins: [...pluginsBase],
},
/* UMD */
{
input: inputFileName,
output: {
banner,
file: pkg.browser,
format: 'umd',
name: '<project>',
},
plugins: [...pluginsBase],
},
/* Minified UMD */
{
input: inputFileName,
output: {
banner,
file: pkg.browser.replace(/\.js$/, '.min.js'),
format: 'umd',
name: '<project>',
},
plugins: [...pluginsBase, terser()],
},
/* ESM */
{
external,
input: inputFileName,
output: {
banner,
exports: 'named',
file: pkg.module,
format: 'es',
},
plugins: [...pluginsBase],
},
/* Types Declarations */
{
input: './.build/src/index.d.ts',
output: {
file: 'dist/index.d.ts',
format: 'es',
},
plugins: [dts()],
},
]