web chat

JavaScript/web-chat/utils.js

@@ -0,0 +1,18 @@
+module.exports.currenttime = function() {
+    let d = new Date(Date.now());
+    return `[${pad(d.getHours(), 2)}:${pad(d.getMinutes(), 2)}:${pad(d.getSeconds(), 2)}]`;
+}
+
+function pad(n, width, z) {
+    z = z || '0';
+    n = n + '';
+    return n.length >= width ? n : new Array(width - n.length + 1).join(z) + n;
+}
+
+module.exports.sleep = function(ms) {
+    return new Promise((resolve, reject) => {
+        setTimeout(() => {
+            resolve();
+        }, ms);
+    });
+}