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| /**
| * The base implementation of methods like `_.findKey` and `_.findLastKey`,
| * without support for iteratee shorthands, which iterates over `collection`
| * using `eachFunc`.
| *
| * @private
| * @param {Array|Object} collection The collection to inspect.
| * @param {Function} predicate The function invoked per iteration.
| * @param {Function} eachFunc The function to iterate over `collection`.
| * @returns {*} Returns the found element or its key, else `undefined`.
| */
| function baseFindKey(collection, predicate, eachFunc) {
| var result;
| eachFunc(collection, function(value, key, collection) {
| if (predicate(value, key, collection)) {
| result = key;
| return false;
| }
| });
| return result;
| }
|
| export default baseFindKey;
|
|