ran npm run tdd

2018-01-15 10:58:44 -05:00
parent 6827cff03f
commit f762f76464
28 changed files with 247 additions and 0 deletions
--- a/test/averageBy/averageBy.js
+++ b/test/averageBy/averageBy.js
@ -0,0 +1,3 @@
+module.exports = averageBy = (arr, fn) =>
+arr.map(typeof fn === 'function' ? fn : val => val[fn]).reduce((acc, val) => acc + val, 0) /
+arr.length;