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import path from 'path'import babelPlugin from '@rollup/plugin-babel'import resolve from '@rollup/plugin-node-resolve'import replace from '@rollup/plugin-replace'import typescript from '@rollup/plugin-typescript'import esbuild from 'rollup-plugin-esbuild'import { terser } from 'rollup-plugin-terser'const createBabelConfig = require('./babel.config')
const extensions = ['.js', '.ts', '.tsx']const { root } = path.parse(process.cwd())
function external(id) {  return !id.startsWith('.') && !id.startsWith(root)}
function getBabelOptions(targets) {  return {    ...createBabelConfig({ env: (env) => env === 'build' }, targets),    extensions,    comments: false,    babelHelpers: 'bundled',  }}
function getEsbuild(target, env = 'development') {  return esbuild({    minify: env === 'production',    target,    tsconfig: path.resolve('./tsconfig.json'),  })}
function createDeclarationConfig(input, output) {  return {    input,    output: {      dir: output,    },    external,    plugins: [      typescript({        declaration: true,        emitDeclarationOnly: true,        outDir: output,      }),    ],  }}
function createESMConfig(input, output) {  return {    input,    output: [      { file: `${output}.js`, format: 'esm' },      { file: `${output}.mjs`, format: 'esm' },    ],    external,    plugins: [      resolve({ extensions }),      replace({        __DEV__: '(import.meta.env&&import.meta.env.MODE)!=="production"',        preventAssignment: true,      }),      getEsbuild('node12'),    ],  }}
function createCommonJSConfig(input, output) {  return {    input,    output: { file: `${output}.js`, format: 'cjs', exports: 'named' },    external,    plugins: [      resolve({ extensions }),      replace({        __DEV__: 'process.env.NODE_ENV!=="production"',        preventAssignment: true,      }),      babelPlugin(getBabelOptions({ ie: 11 })),    ],  }}
function createUMDConfig(input, output, env) {  const c = output.split('/').pop()  return {    input,    output: {      file: `${output}.${env}.js`,      format: 'umd',      exports: 'named',      name:        c === 'index'          ? 'jotai'          : `jotai${c.slice(0, 1).toUpperCase()}${c.slice(1)}`,      globals: {        react: 'React',      },    },    external,    plugins: [      resolve({ extensions }),      replace({        __DEV__: env !== 'production' ? 'true' : 'false',        preventAssignment: true,      }),      babelPlugin(getBabelOptions({ ie: 11 })),      ...(env === 'production' ? [terser()] : []),    ],  }}
function createSystemConfig(input, output, env) {  return {    input,    output: {      file: `${output}.${env}.js`,      format: 'system',      exports: 'named',    },    external,    plugins: [      resolve({ extensions }),      replace({        __DEV__: env !== 'production' ? 'true' : 'false',        preventAssignment: true,      }),      getEsbuild('node12', env),    ],  }}
export default function (args) {  let c = Object.keys(args).find((key) => key.startsWith('config-'))  if (c) {    c = c.slice('config-'.length).replace(/_/g, '/')  } else {    c = 'index'  }  return [    ...(c === 'index' ? [createDeclarationConfig(`src/${c}.ts`, 'dist')] : []),    createCommonJSConfig(`src/${c}.ts`, `dist/${c}`),    createESMConfig(`src/${c}.ts`, `dist/esm/${c}`),    createUMDConfig(`src/${c}.ts`, `dist/umd/${c}`, 'development'),    createUMDConfig(`src/${c}.ts`, `dist/umd/${c}`, 'production'),    createSystemConfig(`src/${c}.ts`, `dist/system/${c}`, 'development'),    createSystemConfig(`src/${c}.ts`, `dist/system/${c}`, 'production'),  ]}