ran npm run tdd

test/chunk/chunk.js

@@ -1,4 +1,5 @@
-module.exports = chunk = (arr, size) =>
+const chunk = (arr, size) =>
 Array.from({ length: Math.ceil(arr.length / size) }, (v, i) =>
 arr.slice(i * size, i * size + size)
-);
+);
+ module.exports = chunk