chore: Send event for 'query-expfeature' (#375)

Author: jdneo

package-lock.json

@@ -554,6 +554,6 @@
     "lodash": "^4.17.20",
     "minimatch": "^3.0.4",
     "vscode-extension-telemetry-wrapper": "0.8.0",
-    "vscode-tas-client": "0.0.659"
+    "vscode-tas-client": "0.1.4"
   }
 }

package.json

@@ -1,7 +1,6 @@
 // Copyright (c) Microsoft Corporation. All rights reserved.
 // Licensed under the MIT license.
 
-import * as fse from "fs-extra";
 import * as vscode from "vscode";
 import { addContextProperty, sendInfo } from "vscode-extension-telemetry-wrapper";
 import { getExperimentationService, IExperimentationService, IExperimentationTelemetry, TargetPopulation } from "vscode-tas-client";
@@ -13,7 +12,12 @@ class ExperimentationTelemetry implements IExperimentationTelemetry {
     }
 
     public postEvent(eventName: string, props: Map<string, string>): void {
-        // do nothing
+        const payload: any = { __event_name__: eventName };
+        for (const [key, value] of props) {
+            payload[key] = value;
+        }
+
+        sendInfo("", payload);
     }
 }
 
@@ -31,11 +35,4 @@ export function init(context: vscode.ExtensionContext): void {
     // tslint:enable: no-string-literal
     expService = getExperimentationService(extensionName, extensionVersion,
         TargetPopulation.Public, new ExperimentationTelemetry(), context.globalState);
-
-    // Due to a bug in the tas-client module, a call to isFlightEnabledAsync is required to begin
-    // polling the TAS. Due to a separate bug, this call must be preceeded by a call to isCachedFlightEnabled.
-    const asyncDummyCheck = (arg: any) => {
-        expService?.isFlightEnabledAsync("dummy").then((v) => { return; }).catch((r) => { return; });
-    };
-    expService?.isCachedFlightEnabled("dummy").then(asyncDummyCheck).catch(asyncDummyCheck);
 }