bug

util.js

@@ -18,4 +18,26 @@ function getLocalIpv4s() {
 
 const ips = getLocalIpv4s();
 
-exports.allIps = ips;
+
\ No newline at end of file
+function mergeDepth(oldDepth, updateDepth, isAsk) {
+  var i = []
+    , r = {
+    a: 0,
+    b: 0
+  };
+  if (isAsk)
+    for (; r.a < oldDepth.length || r.b < updateDepth.length;)
+      void 0 === oldDepth[r.a] ? i.push(updateDepth[r.b++]) : void 0 === updateDepth[r.b] ? i.push(oldDepth[r.a++]) : parseFloat(oldDepth[r.a][0]) > parseFloat(updateDepth[r.b][0]) ? i.push(updateDepth[r.b++]) : oldDepth[r.a][0] == updateDepth[r.b][0] ? (parseFloat(updateDepth[r.b][1]) > 1e-8 ? i.push(updateDepth[r.b++]) : r.b++,
+        r.a++) : i.push(oldDepth[r.a++]);
+  else
+    for (; r.a < oldDepth.length || r.b < updateDepth.length;)
+      void 0 === oldDepth[r.a] ? i.push(updateDepth[r.b++]) : void 0 === updateDepth[r.b] ? i.push(oldDepth[r.a++]) : parseFloat(oldDepth[r.a][0]) < parseFloat(updateDepth[r.b][0]) ? i.push(updateDepth[r.b++]) : oldDepth[r.a][0] == updateDepth[r.b][0] ? (parseFloat(updateDepth[r.b][1]) > 1e-8 ? i.push(updateDepth[r.b++]) : r.b++,
+        r.a++) : i.push(oldDepth[r.a++]);
+  return i
+}
+
+
+module.exports = {
+  allIps: ips,
+  mergeDepth: mergeDepth
+}
\ No newline at end of file