| 12 | |
| 13 | export function walk(obj, fn, k = null) { |
| 14 | let recurse = obj => { |
| 15 | if (Array.isArray(obj)) { |
| 16 | return obj.map((item, i) => walk(item, fn, k)); |
| 17 | } else if (obj && typeof obj === 'object') { |
| 18 | let res = {}; |
| 19 | for (let key in obj) { |
| 20 | res[key] = walk(obj[key], fn, key); |
| 21 | } |
| 22 | return res; |
| 23 | } else { |
| 24 | return obj; |
| 25 | } |
| 26 | }; |
| 27 | return fn(obj, k, recurse); |
| 28 | } |
| 29 |