ping module

src/client/ping.ts

@@ -0,0 +1,22 @@
+import child_process from 'child_process';
+
+export default function ping(target) {
+  return new Promise((resolve) => {
+    let min, avg, max;
+    const child = child_process.spawn('ping', [target, '-c', '10', '-A']);
+    child.stdout.on('data', function (msg) {
+      msg = msg.toString();
+      console.log(`"${msg}"`);
+      const match = msg.match(
+        /rtt min\/avg\/max\/mdev = ([\d.]+)\/([\d.]+)\/([\d.]+)\/([\d.]+) ms/
+      );
+      if (match) {
+        console.log('match', match)
+        min = parseFloat(match[1]);
+        avg = parseFloat(match[2]);
+        max = parseFloat(match[3]);
+      }
+    });
+    child.on('close', () => resolve({ min, avg, max }));
+  });
+}