import path from 'path'import alias from '@rollup/plugin-alias'import babelPlugin from '@rollup/plugin-babel'import resolve from '@rollup/plugin-node-resolve'import typescript from '@rollup/plugin-typescript'import esbuild from 'rollup-plugin-esbuild'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) { return esbuild({ minify: false, 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: [ alias({ entries: { './vanilla': 'valtio/vanilla', '../vanilla': 'valtio/vanilla', }, }), resolve({ extensions }), getEsbuild('node12'), ], }}
function createCommonJSConfig(input, output) { return { input, output: { file: output, format: 'cjs', exports: 'named' }, external, plugins: [ alias({ entries: { './vanilla': 'valtio/vanilla', '../vanilla': 'valtio/vanilla', }, }), resolve({ extensions }), babelPlugin(getBabelOptions({ ie: 11 })), ], }}
function createUMDConfig(input, output) { return { input, output: { file: output, format: 'umd', exports: 'named', name: 'valtio', }, external, plugins: [ alias({ entries: { './vanilla': 'valtio/vanilla', '../vanilla': 'valtio/vanilla', }, }), resolve({ extensions }), babelPlugin(getBabelOptions({ ie: 11 })), ], }}
function createSystemConfig(input, output) { return { input, output: { file: output, format: 'system', exports: 'named', }, external, plugins: [ alias({ entries: { './vanilla': 'valtio/vanilla', '../vanilla': 'valtio/vanilla', }, }), resolve({ extensions }), getEsbuild('node12'), ], }}
export default function (args) { let c = Object.keys(args).find((key) => key.startsWith('config-')) if (c) { c = c.slice('config-'.length).replace(/_/g, '/') return [ createCommonJSConfig(`src/${c}.ts`, `dist/${c}.js`), createESMConfig(`src/${c}.ts`, `dist/esm/${c}`), createUMDConfig(`src/${c}.ts`, `dist/umd/${c}.js`), createSystemConfig(`src/${c}.ts`, `dist/system/${c}.js`), ] } return [ createDeclarationConfig('src/index.ts', 'dist'), createCommonJSConfig('src/index.ts', 'dist/index.js'), createESMConfig('src/index.ts', 'dist/esm/index'), createUMDConfig('src/index.ts', 'dist/umd/index.js'), createSystemConfig('src/index.ts', 'dist/system/index.js'), ]}