trois/rollup.config.js

// import vue from 'rollup-plugin-vue'
// import esbuild from 'rollup-plugin-esbuild'
// import replace from '@rollup/plugin-replace'
import dts from "rollup-plugin-dts"
// import { nodeResolve } from '@rollup/plugin-node-resolve'

const input = 'src/export.ts'

const external = [
  'three',
  'three/examples/jsm/controls/OrbitControls.js',
  'three/examples/jsm/deprecated/Geometry.js',
  'three/examples/jsm/lights/RectAreaLightUniformsLib.js',
  'three/examples/jsm/helpers/RectAreaLightHelper.js',
  'three/examples/jsm/loaders/GLTFLoader.js',
  'three/examples/jsm/loaders/FBXLoader.js',
  'three/examples/jsm/postprocessing/BokehPass.js',
  'three/examples/jsm/postprocessing/EffectComposer.js',
  'three/examples/jsm/postprocessing/FilmPass.js',
  'three/examples/jsm/postprocessing/HalftonePass.js',
  'three/examples/jsm/postprocessing/RenderPass.js',
  'three/examples/jsm/postprocessing/Pass.js',
  'three/examples/jsm/postprocessing/SAOPass.js',
  'three/examples/jsm/postprocessing/SSAOPass.js',
  'three/examples/jsm/postprocessing/SMAAPass.js',
  'three/examples/jsm/postprocessing/ShaderPass.js',
  'three/examples/jsm/postprocessing/UnrealBloomPass.js',
  'three/examples/jsm/shaders/FXAAShader.js',
  'three/examples/jsm/webxr/VRButton.js',
  'vue',
]

// const cdnReplaces = {
//   'from \'vue\'': 'from \'https://unpkg.com/vue@3.0.11/dist/vue.esm-browser.prod.js\'',
//   'from \'three\'': 'from \'https://unpkg.com/three@0.127.0/build/three.module.js\'',
//   'from \'three/examples': 'from \'https://unpkg.com/three@0.127.0/examples',
//   delimiters: ['', ''],
// }

// function createConfig(format, output, plugins = [], minify = false) {
//   const tsPlugin = esbuild({
//     sourceMap: true,
//     minify,
//     target: 'es2019',
//   })

//   return {
//     input,
//     external,
//     output: {
//       format,
//       ...output,
//       // exports: 'named',
//       sourcemap: true,
//     },
//     plugins: [
//       // vue(),
//       tsPlugin,
//       ...plugins,
//     ],
//   }
// }

export default [
  // createConfig('es', { file: 'build/trois.module.cdn.js' }, [replace(cdnReplaces)]),
  // createConfig('es', { file: 'build/trois.module.cdn.min.js' }, [replace(cdnReplaces)], true),
  // createConfig('es', { file: 'build/trois.module.js' }),
  // createConfig('es', { file: 'build/trois.module.min.js' }, [], true),
  // createConfig('cjs', { file: 'build/trois.js' }),
  {
    input: 'types/export.d.ts',
    external,
    output: {
      format: 'es',
      file: 'build/trois.d.ts',
      plugins: [dts()],
    },
  },
]