Add initial project files including package.json, tsconfig.json, and index.ts for uptime monitoring

src/index.ts

@@ -0,0 +1,43 @@
+import ping from "ping";
+
+class Uptime {
+
+    private startTime: Date = new Date();
+    private events: { up: boolean, time: Date }[] = [];
+    private lastUp: boolean = true;
+    private totalUp: number = 1;
+    private totalDown: number = 0;
+    private totalIte: number = 1;
+
+    constructor() {
+        console.log('Starting...');
+        console.log(`Starting at ${this.startTime.toLocaleDateString()} ${this.startTime.toLocaleTimeString()}`);
+        this.handle();
+        setInterval(() => this.handle(), 1000 * 30);
+    }
+
+    async handle() {
+        console.log('Fetch status...')
+        await ping.sys.probe('node.under-scape.com', (isAlive) => {
+            const now = new Date();
+            this.totalIte++;
+            if (isAlive.alive) {
+                this.totalUp++;
+            } else {
+                this.totalDown++;
+            }
+
+            if (isAlive.alive != this.lastUp) {
+                this.lastUp = isAlive.alive;
+                this.events.push({
+                    up: isAlive.alive,
+                    time: this.startTime
+                });
+            }
+
+            console.log(`[${now.toLocaleDateString()} ${now.toLocaleTimeString()}] Total: ${this.totalIte} Up: ${this.totalUp} Down: ${this.totalDown} Uptime: ${Math.round((this.totalUp / this.totalIte) * 100)}%`)
+        }, {timeout: 10});
+    }
+}
+
+new Uptime();