larry babby and threejs for glsl

webGl/my-threejs-test/node_modules/@parcel/workers/src/childState.js

@@ -0,0 +1,10 @@
+// @flow
+import type {Child} from './child';
+
+// This file is imported by both the WorkerFarm and child implementation.
+// When a worker is inited, it sets the state in this file.
+// This way, WorkerFarm can access the state without directly importing the child code.
+export let child: ?Child = null;
+export function setChild(c: Child) {
+  child = c;
+}