| 271 | } |
| 272 | |
| 273 | private handleMessage(event: MessageEvent): void { |
| 274 | const message = event.data; |
| 275 | |
| 276 | switch (message.type) { |
| 277 | case WorkerMessageType.CONNECTED: |
| 278 | this.isConnected = true; |
| 279 | if (this.connectionResolve) { |
| 280 | this.connectionResolve(); |
| 281 | this.connectionResolve = null; |
| 282 | } |
| 283 | if (this.onConnected) { |
| 284 | this.onConnected(); |
| 285 | } |
| 286 | break; |
| 287 | |
| 288 | case WorkerMessageType.DISCONNECTED: |
| 289 | this.isConnected = false; |
| 290 | // Resolve pending callbacks with prevent_update so loading states clear |
| 291 | for (const [, pending] of this.pendingCallbacks) { |
| 292 | pending.resolve({status: 'prevent_update'}); |
| 293 | } |
| 294 | this.pendingCallbacks.clear(); |
| 295 | if (this.onDisconnected) { |
| 296 | this.onDisconnected(message.payload?.reason); |
| 297 | } |
| 298 | break; |
| 299 | |
| 300 | case WorkerMessageType.CALLBACK_RESPONSE: { |
| 301 | const requestId = message.requestId; |
| 302 | const pending = this.pendingCallbacks.get(requestId); |
| 303 | if (pending) { |
| 304 | this.pendingCallbacks.delete(requestId); |
| 305 | pending.resolve(message.payload); |
| 306 | } |
| 307 | break; |
| 308 | } |
| 309 | |
| 310 | case WorkerMessageType.SET_PROPS: |
| 311 | if (this.onSetProps) { |
| 312 | this.onSetProps(message.payload); |
| 313 | } |
| 314 | break; |
| 315 | |
| 316 | case WorkerMessageType.SET_PROPS_BATCH: |
| 317 | if (this.onSetPropsBatch) { |
| 318 | this.onSetPropsBatch(message.payload); |
| 319 | } |
| 320 | break; |
| 321 | |
| 322 | case WorkerMessageType.GET_PROPS_REQUEST: |
| 323 | if (this.onGetPropsRequest) { |
| 324 | this.onGetPropsRequest(message.requestId, message.payload); |
| 325 | } |
| 326 | break; |
| 327 | |
| 328 | case WorkerMessageType.ERROR: |
| 329 | if (this.onError) { |
| 330 | this.onError( |