Working example with start cancel

.vscode/launch.json

@@ -7,7 +7,8 @@
       "request": "launch",
       "runtimeExecutable": "${execPath}",
       "args": ["--extensionDevelopmentPath=${workspaceFolder}"],
-      "outFiles": ["${workspaceFolder}/out/**/*.js"]
+      "outFiles": ["${workspaceFolder}/out/**/*.js"],
+      "preLaunchTask": "npm: compile"
     }
   ]
 }

.vscode/tasks.json

@@ -0,0 +1,12 @@
+{
+  "version": "2.0.0",
+  "tasks": [
+    {
+      "label": "npm: compile",
+      "type": "shell",
+      "command": "npm run compile",
+      "group": "build",
+      "problemMatcher": []
+    }
+  ]
+}

package-lock.json

@@ -8,6 +8,7 @@
       "name": "speed-code",
       "version": "0.0.1",
       "devDependencies": {
+        "@types/node": "^24.2.0",
         "@types/vscode": "^1.70.0",
         "tslint": "^6.0.0",
         "typescript": "^5.0.0"
@@ -41,6 +42,16 @@
         "node": ">=6.9.0"
       }
     },
+    "node_modules/@types/node": {
+      "version": "24.2.0",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-24.2.0.tgz",
+      "integrity": "sha512-3xyG3pMCq3oYCNg7/ZP+E1ooTaGB4cG8JWRsqqOYQdbWNY4zbaV0Ennrd7stjiJEFZCaybcIgpTjJWHRfBSIDw==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "undici-types": "~7.10.0"
+      }
+    },
     "node_modules/@types/vscode": {
       "version": "1.102.0",
       "resolved": "https://registry.npmjs.org/@types/vscode/-/vscode-1.102.0.tgz",
@@ -497,6 +508,13 @@
         "node": ">=14.17"
       }
     },
+    "node_modules/undici-types": {
+      "version": "7.10.0",
+      "resolved": "https://registry.npmjs.org/undici-types/-/undici-types-7.10.0.tgz",
+      "integrity": "sha512-t5Fy/nfn+14LuOc2KNYg75vZqClpAiqscVvMygNnlsHBFpSXdJaYtXMcdNLpl/Qvc3P2cB3s6lOV51nqsFq4ag==",
+      "dev": true,
+      "license": "MIT"
+    },
     "node_modules/wrappy": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/wrappy/-/wrappy-1.0.2.tgz",

package.json

@@ -6,13 +6,19 @@
   "engines": {
     "vscode": "^1.70.0"
   },
-  "activationEvents": [],
+  "activationEvents": [
+    "onStartupFinished"
+  ],
   "main": "./out/extension.js",
   "contributes": {
     "commands": [
       {
         "command": "speed-code.startSpeedRun",
-        "title": "Hello World"
+        "title": "Start Speed Run"
+      },
+      {
+        "command": "speed-code.cancelSpeedRun",
+        "title": "Cancel Speed Run"
       }
     ]
   },
@@ -22,8 +28,9 @@
     "watch": "tsc -watch -p ./"
   },
   "devDependencies": {
+    "@types/node": "^24.2.0",
     "@types/vscode": "^1.70.0",
-    "typescript": "^5.0.0",
+    "tslint": "^6.0.0",
-    "tslint": "^6.0.0"
+    "typescript": "^5.0.0"
   }
 }

src/extension.ts

@@ -1,11 +1,53 @@
 import * as vscode from 'vscode';
 
-export function activate(context: vscode.ExtensionContext) {
+let resetTimer = () => {}
-  const disposable = vscode.commands.registerCommand('speed-code.startSpeedRun', () => {
-    vscode.window.showInformationMessage('Hello World from My Extension!');
-  });
 
-  context.subscriptions.push(disposable);
+export function activate(context: vscode.ExtensionContext) {
+  const statusBarItem = vscode.window.createStatusBarItem(vscode.StatusBarAlignment.Left, 100);
+  statusBarItem.tooltip = 'Speedrun timer';
+  statusBarItem.text = "No active Speedrun";
+  statusBarItem.show();
+
+  let timer: undefined | NodeJS.Timeout;
+
+  resetTimer = () => {
+    if (timer) {
+      clearInterval(timer);
+    }
+    statusBarItem.text = "No active Speedrun";
+  };
+
+  resetTimer();
+
+  context.subscriptions.push(vscode.commands.registerCommand('speed-code.startSpeedRun', () => {
+    const startTime = Date.now();
+    timer = setInterval(() => {
+      const currentTime = Date.now();
+      const timeSeconds = (currentTime - startTime) / 1000;
+      if (timeSeconds > 86400) {
+        const days = Math.floor(timeSeconds / 86400);
+        const hours = Math.floor(timeSeconds / 3600);
+        const minutes = Math.floor(timeSeconds / 60);
+        statusBarItem.text = `${days}:${hours - (days * 24)}:${minutes - (hours * 60)}:${(timeSeconds - (minutes * 60)).toFixed(3)}`;
+      } else if (timeSeconds >= 3600) {
+        const hours = Math.floor(timeSeconds / 3600);
+        const minutes = Math.floor(timeSeconds / 60);
+        statusBarItem.text = `${hours}:${minutes - (hours * 60)}:${(timeSeconds - (minutes * 60)).toFixed(3)}`;
+      } else if (timeSeconds >= 60) {
+        const minutes = Math.floor(timeSeconds / 60);
+        statusBarItem.text = `${minutes}:${(timeSeconds - (minutes * 60)).toFixed(3)}`;
+      } else {
+        statusBarItem.text = `${timeSeconds}`;
+      }
+      statusBarItem.color = '#fff';
+    }, 10);
+
+    vscode.window.showInformationMessage('Speedrun Started!');
+  }), statusBarItem);
+
+  context.subscriptions.push(vscode.commands.registerCommand('speed-code.cancelSpeedRun', resetTimer), statusBarItem);
 }
 
-export function deactivate() {}
+export function deactivate() {
+  resetTimer();
+}

tsconfig.json

@@ -7,7 +7,8 @@
     "rootDir": "src",
     "strict": true,
     "esModuleInterop": true,
-    "skipLibCheck": true
+    "skipLibCheck": true,
+    "types": ["node", "vscode"]
   },
   "exclude": ["node_modules", ".vscode-test"]
 }