Travis build: 2020

snippets/join.md

@@ -12,7 +12,9 @@ const join = (arr, separator = ',', end = separator) =>
     (acc, val, i) =>
       i === arr.length - 2
         ? acc + val + end
-        : i === arr.length - 1 ? acc + val : acc + val + separator,
+        : i === arr.length - 1
+          ? acc + val
+          : acc + val + separator,
     ''
   );
 ```