fix(comparer): Fixes comparer

Fixes comparer to match `Array.prototype.includes` default comparison
ReactiveX · Oct 14, 2017 · c6a67eb · c6a67eb
1 parent 723bb9d
commit c6a67eb
Showing 1 changed file with 3 additions and 3 deletions.
diff --git a/src/internal/comparer.ts b/src/internal/comparer.ts
@@ -3,12 +3,12 @@
  * @ignore
  */
 export function comparer(a: any, b: any) {
-  return (a === 0 && b === 0) || (a === b || (isNaN(a) && isNaN(b)));
+  return x === y || (typeof x === 'number' && typeof y === 'number' && isNaN(x) && isNaN(y));
 }
 
 /**
  * @ignore
  */
 export async function comparerAsync(a: any, b: any) {
-  return (a === 0 && b === 0) || (a === b || (isNaN(a) && isNaN(b)));
-}
+  return x === y || (typeof x === 'number' && typeof y === 'number' && isNaN(x) && isNaN(y));
+}