Fix default sort algorithm (TanStack#268)

aaronschwartz · tannerlinsley · commit 95164311fa3f · 2017-05-12T11:42:13.000-06:00
diff --git a/src/defaultProps.js b/src/defaultProps.js
@@ -32,11 +32,11 @@ export default {
   },
   defaultSortMethod: (a, b) => {
     // force null and undefined to the bottom
-    a = (a === null || a === undefined) ? -Infinity : a
-    b = (b === null || b === undefined) ? -Infinity : b
+    a = (a === null || a === undefined) ? '' : a
+    b = (b === null || b === undefined) ? '' : b
     // force any string values to lowercase
-    a = a === 'string' ? a.toLowerCase() : a
-    b = b === 'string' ? b.toLowerCase() : b
+    a = typeof a === 'string' ? a.toLowerCase() : a
+    b = typeof b === 'string' ? b.toLowerCase() : b
     // Return either 1 or -1 to indicate a sort priority
     if (a > b) {
       return 1
