11 lines
358 B
JavaScript
11 lines
358 B
JavaScript
// https://www.codewars.com/kata/54dc6f5a224c26032800005c/solutions/javascript
|
|
|
|
function stockList(art, cat) {
|
|
const arr = cat.map(c => {
|
|
return [c, art.filter(a => a[0] === c).reduce((a, b) => {
|
|
return a + +b.match(/\d+/);
|
|
}, 0)];
|
|
});
|
|
return arr.reduce((a, [c, v]) => a + v, 0) && arr.map(([c, v]) => `(${c} : ${v})`).join` - ` || '';
|
|
}
|