use Object.is() for equality check

Author: alexeyraspopov

modules/Data.js

@@ -23,10 +23,12 @@ export class Data {
       let a = this[key];
       let b = other[key];
       if (
-        a !== b &&
+        !Object.is(a, b) &&
         (a == null ||
           b == null ||
-          (a instanceof Data && b instanceof Data ? !a.equals(b) : a.valueOf() !== b.valueOf()))
+          (a instanceof Data && b instanceof Data
+            ? !a.equals(b)
+            : !Object.is(a.valueOf(), b.valueOf())))
       )
         return false;
     }