WIP: Getting r3f to work with create-react-app

* Temporarily disabled ESM bundles because the current setup confuses webpack4 (but not parceljs). Since create-react-app uses webpack4, not doing this would make theatre incompatible with CRA.

examples/r3f-cra/src/App.css

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+.App {
+  text-align: center;
+}
+
+.App-logo {
+  height: 40vmin;
+  pointer-events: none;
+}
+
+@media (prefers-reduced-motion: no-preference) {
+  .App-logo {
+    animation: App-logo-spin infinite 20s linear;
+  }
+}
+
+.App-header {
+  background-color: #282c34;
+  min-height: 100vh;
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+  justify-content: center;
+  font-size: calc(10px + 2vmin);
+  color: white;
+}
+
+.App-link {
+  color: #61dafb;
+}
+
+@keyframes App-logo-spin {
+  from {
+    transform: rotate(0deg);
+  }
+  to {
+    transform: rotate(360deg);
+  }
+}

examples/r3f-cra/src/App.js

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+import {getProject} from '@theatre/core'
+import * as THREE from 'three'
+import {useState, useEffect, useRef} from 'react'
+import {useFrame} from '@react-three/fiber'
+import {softShadows} from '@react-three/drei'
+
+// Soft shadows are expensive, comment and refresh when it's too slow
+softShadows()
+
+// credit: https://codesandbox.io/s/camera-pan-nsb7f
+
+function Button() {
+  const vec = new THREE.Vector3()
+  const light = useRef(undefined)
+  const [active, setActive] = useState(false)
+  const [zoom, set] = useState(true)
+  useEffect(
+    () => void (document.body.style.cursor = active ? 'pointer' : 'auto'),
+    [active],
+  )
+
+  useFrame((state) => {
+    const step = 0.1
+    const camera = state.camera
+    camera.fov = THREE.MathUtils.lerp(camera.fov, zoom ? 10 : 42, step)
+    camera.position.lerp(
+      vec.set(zoom ? 25 : 10, zoom ? 1 : 5, zoom ? 0 : 10),
+      step,
+    )
+    state.camera.lookAt(0, 0, 0)
+    state.camera.updateProjectionMatrix()
+
+    light.current.position.lerp(
+      vec.set(zoom ? 4 : 0, zoom ? 3 : 8, zoom ? 3 : 5),
+      step,
+    )
+  })
+
+  return (
+    <e.mesh
+      receiveShadow
+      castShadow
+      onClick={() => set(!zoom)}
+      onPointerOver={() => setActive(true)}
+      onPointerOut={() => setActive(false)}
+      uniqueName="The Button"
+    >
+      <sphereBufferGeometry args={[0.75, 64, 64]} />
+      <meshPhysicalMaterial
+        color={active ? 'purple' : '#e7b056'}
+        clearcoat={1}
+        clearcoatRoughness={0}
+      />
+      <Shadow
+        position-y={-0.79}
+        rotation-x={-Math.PI / 2}
+        opacity={0.6}
+        scale={[0.8, 0.8, 1]}
+      />
+      <directionalLight
+        ref={light}
+        castShadow
+        intensity={1.5}
+        shadow-camera-far={70}
+      />
+    </e.mesh>
+  )
+}
+
+function Plane({color, uniqueName, ...props}) {
+  return (
+    <e.mesh receiveShadow castShadow {...props} uniqueName={uniqueName}>
+      <boxBufferGeometry />
+      <meshStandardMaterial color={color} />
+    </e.mesh>
+  )
+}
+
+function App() {
+  return (
+    <div>
+      <Canvas
+        // @ts-ignore
+        shadowMap
+      >
+        <Wrapper
+          getSheet={() => getProject('Playground - R3F').sheet('R3F-Canvas')}
+        >
+          {/* @ts-ignore */}
+          <e.perspectiveCamera makeDefault uniqueName="Camera" />
+          <ambientLight intensity={0.4} />
+          <e.pointLight
+            position={[-10, -10, 5]}
+            intensity={2}
+            color="#ff20f0"
+            uniqueName="Light 1"
+          />
+          <e.pointLight
+            position={[0, 0.5, -1]}
+            distance={1}
+            intensity={2}
+            color="#e4be00"
+            uniqueName="Light 2"
+          />
+          <group position={[0, -0.9, -3]}>
+            <Plane
+              color="hotpink"
+              rotation-x={-Math.PI / 2}
+              position-z={2}
+              scale={[4, 20, 0.2]}
+              uniqueName="plane1"
+            />
+            <Plane
+              color="#e4be00"
+              rotation-x={-Math.PI / 2}
+              position-y={1}
+              scale={[4.2, 0.2, 4]}
+              uniqueName="plane2"
+            />
+            <Plane
+              color="#736fbd"
+              rotation-x={-Math.PI / 2}
+              position={[-1.7, 1, 3.5]}
+              scale={[0.5, 4, 4]}
+              uniqueName="plane3"
+            />
+            <Plane
+              color="white"
+              rotation-x={-Math.PI / 2}
+              position={[0, 4.5, 3]}
+              scale={[2, 0.03, 4]}
+              uniqueName="plane4"
+            />
+          </group>
+          <Button />
+        </Wrapper>
+      </Canvas>
+    </div>
+  )
+}
+
+export default App

examples/r3f-cra/src/App.test.js

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+import {render, screen} from '@testing-library/react'
+
+test('renders learn react link', () => {
+  render(<App />)
+  const linkElement = screen.getByText(/learn react/i)
+  expect(linkElement).toBeInTheDocument()
+})

examples/r3f-cra/src/index.css

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+body {
+  margin: 0;
+  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen',
+    'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue',
+    sans-serif;
+  -webkit-font-smoothing: antialiased;
+  -moz-osx-font-smoothing: grayscale;
+}
+
+code {
+  font-family: source-code-pro, Menlo, Monaco, Consolas, 'Courier New',
+    monospace;
+}

examples/r3f-cra/src/index.js

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+import ReactDOM from 'react-dom'
+import './index.css'
+import reportWebVitals from './reportWebVitals'
+import '@theatre/studio'
+import {getProject} from '@theatre/core'
+
+ReactDOM.render(
+  <React.StrictMode>
+    <App project={getProject('CRA project')} />
+  </React.StrictMode>,
+  document.getElementById('root'),
+)
+
+// If you want to start measuring performance in your app, pass a function
+// to log results (for example: reportWebVitals(console.log))
+// or send to an analytics endpoint. Learn more: https://bit.ly/CRA-vitals
+reportWebVitals()

examples/r3f-cra/src/logo.svg

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+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 841.9 595.3"><g fill="#61DAFB"><path d="M666.3 296.5c0-32.5-40.7-63.3-103.1-82.4 14.4-63.6 8-114.2-20.2-130.4-6.5-3.8-14.1-5.6-22.4-5.6v22.3c4.6 0 8.3.9 11.4 2.6 13.6 7.8 19.5 37.5 14.9 75.7-1.1 9.4-2.9 19.3-5.1 29.4-19.6-4.8-41-8.5-63.5-10.9-13.5-18.5-27.5-35.3-41.6-50 32.6-30.3 63.2-46.9 84-46.9V78c-27.5 0-63.5 19.6-99.9 53.6-36.4-33.8-72.4-53.2-99.9-53.2v22.3c20.7 0 51.4 16.5 84 46.6-14 14.7-28 31.4-41.3 49.9-22.6 2.4-44 6.1-63.6 11-2.3-10-4-19.7-5.2-29-4.7-38.2 1.1-67.9 14.6-75.8 3-1.8 6.9-2.6 11.5-2.6V78.5c-8.4 0-16 1.8-22.6 5.6-28.1 16.2-34.4 66.7-19.9 130.1-62.2 19.2-102.7 49.9-102.7 82.3 0 32.5 40.7 63.3 103.1 82.4-14.4 63.6-8 114.2 20.2 130.4 6.5 3.8 14.1 5.6 22.5 5.6 27.5 0 63.5-19.6 99.9-53.6 36.4 33.8 72.4 53.2 99.9 53.2 8.4 0 16-1.8 22.6-5.6 28.1-16.2 34.4-66.7 19.9-130.1 62-19.1 102.5-49.9 102.5-82.3zm-130.2-66.7c-3.7 12.9-8.3 26.2-13.5 39.5-4.1-8-8.4-16-13.1-24-4.6-8-9.5-15.8-14.4-23.4 14.2 2.1 27.9 4.7 41 7.9zm-45.8 106.5c-7.8 13.5-15.8 26.3-24.1 38.2-14.9 1.3-30 2-45.2 2-15.1 0-30.2-.7-45-1.9-8.3-11.9-16.4-24.6-24.2-38-7.6-13.1-14.5-26.4-20.8-39.8 6.2-13.4 13.2-26.8 20.7-39.9 7.8-13.5 15.8-26.3 24.1-38.2 14.9-1.3 30-2 45.2-2 15.1 0 30.2.7 45 1.9 8.3 11.9 16.4 24.6 24.2 38 7.6 13.1 14.5 26.4 20.8 39.8-6.3 13.4-13.2 26.8-20.7 39.9zm32.3-13c5.4 13.4 10 26.8 13.8 39.8-13.1 3.2-26.9 5.9-41.2 8 4.9-7.7 9.8-15.6 14.4-23.7 4.6-8 8.9-16.1 13-24.1zM421.2 430c-9.3-9.6-18.6-20.3-27.8-32 9 .4 18.2.7 27.5.7 9.4 0 18.7-.2 27.8-.7-9 11.7-18.3 22.4-27.5 32zm-74.4-58.9c-14.2-2.1-27.9-4.7-41-7.9 3.7-12.9 8.3-26.2 13.5-39.5 4.1 8 8.4 16 13.1 24 4.7 8 9.5 15.8 14.4 23.4zM420.7 163c9.3 9.6 18.6 20.3 27.8 32-9-.4-18.2-.7-27.5-.7-9.4 0-18.7.2-27.8.7 9-11.7 18.3-22.4 27.5-32zm-74 58.9c-4.9 7.7-9.8 15.6-14.4 23.7-4.6 8-8.9 16-13 24-5.4-13.4-10-26.8-13.8-39.8 13.1-3.1 26.9-5.8 41.2-7.9zm-90.5 125.2c-35.4-15.1-58.3-34.9-58.3-50.6 0-15.7 22.9-35.6 58.3-50.6 8.6-3.7 18-7 27.7-10.1 5.7 19.6 13.2 40 22.5 60.9-9.2 20.8-16.6 41.1-22.2 60.6-9.9-3.1-19.3-6.5-28-10.2zM310 490c-13.6-7.8-19.5-37.5-14.9-75.7 1.1-9.4 2.9-19.3 5.1-29.4 19.6 4.8 41 8.5 63.5 10.9 13.5 18.5 27.5 35.3 41.6 50-32.6 30.3-63.2 46.9-84 46.9-4.5-.1-8.3-1-11.3-2.7zm237.2-76.2c4.7 38.2-1.1 67.9-14.6 75.8-3 1.8-6.9 2.6-11.5 2.6-20.7 0-51.4-16.5-84-46.6 14-14.7 28-31.4 41.3-49.9 22.6-2.4 44-6.1 63.6-11 2.3 10.1 4.1 19.8 5.2 29.1zm38.5-66.7c-8.6 3.7-18 7-27.7 10.1-5.7-19.6-13.2-40-22.5-60.9 9.2-20.8 16.6-41.1 22.2-60.6 9.9 3.1 19.3 6.5 28.1 10.2 35.4 15.1 58.3 34.9 58.3 50.6-.1 15.7-23 35.6-58.4 50.6zM320.8 78.4z"/><circle cx="420.9" cy="296.5" r="45.7"/><path d="M520.5 78.1z"/></g></svg>

examples/r3f-cra/src/reportWebVitals.js

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+const reportWebVitals = (onPerfEntry) => {
+  if (onPerfEntry && onPerfEntry instanceof Function) {
+    import('web-vitals').then(({getCLS, getFID, getFCP, getLCP, getTTFB}) => {
+      getCLS(onPerfEntry)
+      getFID(onPerfEntry)
+      getFCP(onPerfEntry)
+      getLCP(onPerfEntry)
+      getTTFB(onPerfEntry)
+    })
+  }
+}
+
+export default reportWebVitals

examples/r3f-cra/src/setupTests.js

@@ -0,0 +1,5 @@
+// jest-dom adds custom jest matchers for asserting on DOM nodes.
+// allows you to do things like:
+// expect(element).toHaveTextContent(/react/i)
+// learn more: https://github.com/testing-library/jest-dom
+import '@testing-library/jest-dom'

examples/r3f-cra/src/useDrag.js

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+import {useLayoutEffect, useRef} from 'react'
+
+const noop = () => {}
+
+function createCursorLock(cursor) {
+  const el = document.createElement('div')
+  el.style.cssText = `
+    position: fixed;
+    top: 0;
+    right: 0;
+    bottom: 0;
+    left: 0;
+    z-index: 9999999;`
+
+  el.style.cursor = cursor
+  document.body.appendChild(el)
+  const relinquish = () => {
+    document.body.removeChild(el)
+  }
+
+  return relinquish
+}
+
+export default function useDrag(target, opts) {
+  const optsRef = useRef(opts)
+  optsRef.current = opts
+
+  const modeRef = useRef('notDragging')
+
+  const stateRef = useRef({dragHappened: false, startPos: {x: 0, y: 0}})
+
+  useLayoutEffect(() => {
+    if (!target) return
+
+    const getDistances = (event) => {
+      const {startPos} = stateRef.current
+      return [event.screenX - startPos.x, event.screenY - startPos.y]
+    }
+
+    let relinquishCursorLock = noop
+
+    const dragHandler = (event) => {
+      if (!stateRef.current.dragHappened && optsRef.current.lockCursorTo) {
+        relinquishCursorLock = createCursorLock(optsRef.current.lockCursorTo)
+      }
+      if (!stateRef.current.dragHappened) stateRef.current.dragHappened = true
+      modeRef.current = 'dragging'
+
+      const deltas = getDistances(event)
+      optsRef.current.onDrag(deltas[0], deltas[1], event)
+    }
+
+    const dragEndHandler = () => {
+      removeDragListeners()
+      modeRef.current = 'notDragging'
+
+      optsRef.current.onDragEnd &&
+        optsRef.current.onDragEnd(stateRef.current.dragHappened)
+      relinquishCursorLock()
+      relinquishCursorLock = noop
+    }
+
+    const addDragListeners = () => {
+      document.addEventListener('mousemove', dragHandler)
+      document.addEventListener('mouseup', dragEndHandler)
+    }
+
+    const removeDragListeners = () => {
+      document.removeEventListener('mousemove', dragHandler)
+      document.removeEventListener('mouseup', dragEndHandler)
+    }
+
+    const preventUnwantedClick = (event) => {
+      if (optsRef.current.disabled) return
+      if (stateRef.current.dragHappened) {
+        if (
+          !optsRef.current.dontBlockMouseDown &&
+          modeRef.current !== 'notDragging'
+        ) {
+          event.stopPropagation()
+          event.preventDefault()
+        }
+        stateRef.current.dragHappened = false
+      }
+    }
+
+    const dragStartHandler = (event) => {
+      const opts = optsRef.current
+      if (opts.disabled === true) return
+
+      if (event.button !== 0) return
+      const resultOfStart = opts.onDragStart && opts.onDragStart(event)
+
+      if (resultOfStart === false) return
+
+      if (!opts.dontBlockMouseDown) {
+        event.stopPropagation()
+        event.preventDefault()
+      }
+
+      modeRef.current = 'dragStartCalled'
+
+      const {screenX, screenY} = event
+      stateRef.current.startPos = {x: screenX, y: screenY}
+      stateRef.current.dragHappened = false
+
+      addDragListeners()
+    }
+
+    const onMouseDown = (e) => {
+      dragStartHandler(e)
+    }
+
+    target.addEventListener('mousedown', onMouseDown)
+    target.addEventListener('click', preventUnwantedClick)
+
+    return () => {
+      removeDragListeners()
+      target.removeEventListener('mousedown', onMouseDown)
+      target.removeEventListener('click', preventUnwantedClick)
+      relinquishCursorLock()
+
+      if (modeRef.current !== 'notDragging') {
+        optsRef.current.onDragEnd &&
+          optsRef.current.onDragEnd(modeRef.current === 'dragging')
+      }
+      modeRef.current = 'notDragging'
+    }
+  }, [target])
+}