Add LiveQuery

src/LiveQuery/equalObjects.js

@@ -0,0 +1,48 @@
+var toString = Object.prototype.toString;
+
+/**
+ * Determines whether two objects represent the same primitive, special Parse
+ * type, or full Parse Object.
+ */
+function equalObjects(a, b) {
+  if (typeof a !== typeof b) {
+    return false;
+  }
+  if (typeof a !== 'object') {
+    return (a === b);
+  }
+  if (a === b) {
+    return true;
+  }
+  if (toString.call(a) === '[object Date]') {
+    if (toString.call(b) === '[object Date]') {
+      return (+a === +b);
+    }
+    return false;
+  }
+  if (Array.isArray(a)) {
+    if (Array.isArray(b)) {
+      if (a.length !== b.length) {
+        return false;
+      }
+      for (var i = 0; i < a.length; i++) {
+        if (!equalObjects(a[i], b[i])) {
+          return false;
+        }
+      }
+      return true;
+    }
+    return false;
+  }
+  if (Object.keys(a).length !== Object.keys(b).length) {
+    return false;
+  }
+  for (var key in a) {
+    if (!equalObjects(a[key], b[key])) {
+      return false;
+    }
+  }
+  return true;
+}
+
+module.exports = equalObjects;