Adjust styling of array checks in head, uniq, uniqBy and uniqWith to other methods.

head.js

@@ -16,7 +16,9 @@
  * // => undefined
  */
 function head(array) {
-  return (array != null && array.length) ? array[0] : undefined
+  return (array != null && array.length)
+    ? array[0]
+    : undefined
 }
 
 export default head