Function baseFindIndex

test/babel.js:21727–21737

* The base implementation of `_.findIndex` and `_.findLastIndex` without * support for iteratee shorthands. * * @private * @param {Array} array The array to inspect. * @param {Function} predicate The function invoked per iteration. * @param {number} fromIndex The index to search from.

(array, predicate, fromIndex, fromRight)

	 * @returns {number} Returns the index of the matched value, else `-1`.
	 */
	function baseFindIndex(array, predicate, fromIndex, fromRight) {
	  var length = array.length,
	      index = fromIndex + (fromRight ? 1 : -1);

	  while (fromRight ? index-- : ++index < length) {
	    if (predicate(array[index], index, array)) {
	      return index;
	    }
	  }
	  return -1;
	}

	module.exports = baseFindIndex;