Better error management for handleGetMyProcesses

src/simple-server.ts

@@ -262,31 +262,42 @@ class SimpleProcessHandlers {
       throw new Error('Invalid message type');
     }
     
-    const processes = this.service.getProcesses();
-    const myProcesses = await this.service.getMyProcesses();
-
-    if (!myProcesses || myProcesses.length === 0) {
-      throw new Error('No my processes found');
+    if (!this.service.isPaired()) {
+      throw new Error('Device not paired');
     }
 
-    const filteredProcesses: Record<string, Process> = {};
-    for (const processId of myProcesses) {
-      const process = processes.get(processId);
-      console.log(processId, ':', process);
+    try {
+      const processes = this.service.getProcesses();
+      const myProcesses = await this.service.getMyProcesses();
 
-      if (process) {
-        filteredProcesses[processId] = process;
+      if (!myProcesses || myProcesses.length === 0) {
+        throw new Error('No my processes found');
       }
+
+      const filteredProcesses: Record<string, Process> = {};
+      for (const processId of myProcesses) {
+        const process = processes.get(processId);
+
+        if (process) {
+          filteredProcesses[processId] = process;
+        } else {
+          console.error(`Process ${processId} not found`); // should not happen
+        }
+      }
+
+      const data = await this.service.getProcessesData(filteredProcesses);
+
+      return {
+        type: MessageType.PROCESSES_RETRIEVED,
+        processes: filteredProcesses,
+        data,
+        messageId: event.data.messageId
+      };      
+    } catch (e) {
+      const errorMessage = e instanceof Error ? e.message : String(e || 'Unknown error');
+      throw new Error(errorMessage);
     }
-
-    const data = await this.service.getProcessesData(filteredProcesses);
-
-    return {
-      type: MessageType.PROCESSES_RETRIEVED,
-      processes: filteredProcesses,
-      data,
-      messageId: event.data.messageId
-    };
+  }
   }
 
   async handleMessage(event: ServerMessageEvent): Promise<ServerResponse> {