Add unhandled rejection listener

Author: robertbrignull

extensions/ql-vscode/src/extension.ts

@@ -236,6 +236,7 @@ export async function activate(
   const distributionConfigListener = new DistributionConfigListener();
   await initializeLogging(ctx);
   await initializeTelemetry(extension, ctx);
+  addUnhandledRejectionListener();
   install();
 
   const codelensProvider = new QuickEvalCodeLensProvider();
@@ -1529,6 +1530,16 @@ async function activateWithInstalledDistribution(
   };
 }
 
+function addUnhandledRejectionListener() {
+  process.addListener("unhandledRejection", (error: unknown) => {
+    void showAndLogExceptionWithTelemetry(
+      redactableError(asError(error))`Unhandled error: ${getErrorMessage(
+        error,
+      )}`,
+    );
+  });
+}
+
 async function createQueryServer(
   qlConfigurationListener: QueryServerConfigListener,
   cliServer: CodeQLCliServer,