ran npm run tdd

This commit is contained in:
King
2018-01-17 13:40:40 -05:00
parent 207a6d79e0
commit 69abf1b863
244 changed files with 894 additions and 371 deletions

View File

@ -1,4 +1,4 @@
module.exports = luhnCheck = num => {
const luhnCheck = num => {
let arr = (num + '')
.split('')
.reverse()
@ -7,4 +7,5 @@ let lastDigit = arr.splice(0, 1)[0];
let sum = arr.reduce((acc, val, i) => (i % 2 !== 0 ? acc + val : acc + (val * 2) % 9 || 9), 0);
sum += lastDigit;
return sum % 10 === 0;
};
};
module.exports = luhnCheck