| Leo Repp | 58b9f11 | 2021-11-22 11:57:47 +0100 | [diff] [blame^] | 1 | var baseIteratee = require('./_baseIteratee'), |
| 2 | isArrayLike = require('./isArrayLike'), |
| 3 | keys = require('./keys'); |
| 4 | |
| 5 | /** |
| 6 | * Creates a `_.find` or `_.findLast` function. |
| 7 | * |
| 8 | * @private |
| 9 | * @param {Function} findIndexFunc The function to find the collection index. |
| 10 | * @returns {Function} Returns the new find function. |
| 11 | */ |
| 12 | function createFind(findIndexFunc) { |
| 13 | return function(collection, predicate, fromIndex) { |
| 14 | var iterable = Object(collection); |
| 15 | if (!isArrayLike(collection)) { |
| 16 | var iteratee = baseIteratee(predicate, 3); |
| 17 | collection = keys(collection); |
| 18 | predicate = function(key) { return iteratee(iterable[key], key, iterable); }; |
| 19 | } |
| 20 | var index = findIndexFunc(collection, predicate, fromIndex); |
| 21 | return index > -1 ? iterable[iteratee ? collection[index] : index] : undefined; |
| 22 | }; |
| 23 | } |
| 24 | |
| 25 | module.exports = createFind; |