P3-02 P5-02: integrate Bitbybit OCCT geometry runtime

src/facade/geometryWorker.ts

@@ -0,0 +1,23 @@
+/// <reference lib="webworker" />
+
+import createBitbybitDevOcct from '@bitbybit-dev/occt/bitbybit-dev-occt/bitbybit-dev-occt'
+import { initializationComplete, onMessageInput } from '@bitbybit-dev/occt-worker'
+
+const workerScope = self as DedicatedWorkerGlobalScope
+
+const initialize = async () => {
+  try {
+    const occt = await createBitbybitDevOcct()
+    initializationComplete(occt, undefined)
+    workerScope.onmessage = ({ data }) => onMessageInput(data, (message) => workerScope.postMessage(message))
+  } catch (error) {
+    workerScope.postMessage({
+      type: 'occ-initialization-failed',
+      error: error instanceof Error ? error.message : String(error),
+    })
+  }
+}
+
+void initialize()
+
+export {}