feat: Added telemetry that obeys VSC telemetry settings

.editorconfig

@@ -0,0 +1,2 @@
+indent_size = 2
+indent_style = tab

.eslintrc.json

@@ -20,5 +20,8 @@
         "out",
         "dist",
         "**/*.d.ts"
+    ],
+    "extends": [
+        "prettier"
     ]
-}
+}

.prettierignore

@@ -0,0 +1,2 @@
+dist/
+node_modules/

.prettierrc

@@ -0,0 +1 @@
+{}

package.json

@@ -135,11 +135,16 @@
     "@vscode/test-electron": "^2.2.3",
     "conventional-changelog-conventionalcommits": "^7.0.2",
     "eslint": "^8.34.0",
+    "eslint-config-prettier": "^9.1.0",
     "glob": "^8.1.0",
     "mocha": "^10.2.0",
+    "prettier": "^3.1.1",
     "semantic-release": "^22.0.1",
     "semantic-release-stop-before-publish": "^1.0.0",
     "semantic-release-vsce": "^5.6.1",
     "typescript": "^4.9.5"
+  },
+  "dependencies": {
+    "@vscode/extension-telemetry": "^0.9.2"
   }
 }

src/commands/collapseToDefinitions.ts

@@ -1,4 +1,5 @@
 import * as vscode from "vscode";
+import { Telemetry } from "../telemetry";
 
 export async function collapseToDefinitions() {
   const textEditor = vscode.window.activeTextEditor;
@@ -29,4 +30,6 @@ export async function collapseToDefinitions() {
 
   await vscode.commands.executeCommand("editor.unfoldAll");
   await vscode.commands.executeCommand("editor.foldLevel" + levels);
+
+  Telemetry.sendTelemetryEvent("collapseToDefinitions");
 }

src/commands/toggleAllOutlining.ts

@@ -1,3 +1,4 @@
+import { Telemetry } from "../telemetry";
 import { collapseToDefinitions } from "./collapseToDefinitions";
 import { toggleOutliningExpansion } from "./toggleOutliningExpansion";
 
@@ -11,4 +12,6 @@ export async function toggleAllOutlining() {
   }
 
   toggleState = !toggleState;
+
+  Telemetry.sendTelemetryEvent("toggleAllOutlining");
 }

src/commands/toggleOutliningExpansion.ts

@@ -1,4 +1,5 @@
 import * as vscode from "vscode";
+import { Telemetry } from "../telemetry";
 
 export async function toggleOutliningExpansion() {
   const textEditor = vscode.window.activeTextEditor;
@@ -7,4 +8,6 @@ export async function toggleOutliningExpansion() {
   }
 
   await vscode.commands.executeCommand("editor.unfoldAll");
+
+  Telemetry.sendTelemetryEvent("toggleOutliningExpansion");
 }

src/extension.ts

@@ -1,9 +1,14 @@
 import * as vscode from "vscode";
+
 import { collapseToDefinitions } from "./commands/collapseToDefinitions";
 import { toggleOutliningExpansion } from "./commands/toggleOutliningExpansion";
 import { toggleAllOutlining } from "./commands/toggleAllOutlining";
+import { Telemetry } from "./telemetry";
 
 export function activate(context: vscode.ExtensionContext) {
+  // If enabled, initialize telemetry
+  Telemetry.initialize(context);
+
   const collapseToDefinitionsDisposable = vscode.commands.registerCommand(
     "vscode-vs-outlining.collapseToDefinitions",
     collapseToDefinitions,

src/telemetry.ts

@@ -0,0 +1,33 @@
+import * as vscode from "vscode";
+import TelemetryReporter from "@vscode/extension-telemetry";
+import type {
+  TelemetryEventProperties,
+  TelemetryEventMeasurements,
+} from "@vscode/extension-telemetry";
+
+const key = "0a889129-3c63-4826-8c5b-40b268ada9b0";
+
+export abstract class Telemetry {
+  private static reporter: TelemetryReporter;
+
+  public static initialize(context: vscode.ExtensionContext) {
+    this.reporter = Telemetry.reporter = new TelemetryReporter(key);
+    context.subscriptions.push(this.reporter);
+  }
+
+  public static sendTelemetryEvent(
+    eventName: string,
+    properties?: TelemetryEventProperties,
+    measurements?: TelemetryEventMeasurements,
+  ): void {
+    this.reporter.sendTelemetryEvent(eventName, properties, measurements);
+  }
+
+  public static sendTelemetryErrorEvent(
+    eventName: string,
+    properties?: TelemetryEventProperties,
+    measurements?: TelemetryEventMeasurements,
+  ): void {
+    this.reporter.sendTelemetryErrorEvent(eventName, properties, measurements);
+  }
+}