Function findIndex

test/babel.js:54387–54397

* This method is like `_.find` except that it returns the index of the first * element `predicate` returns truthy for instead of the element itself. * * @static * @memberOf _ * @since 1.1.0 * @category Array * @param {Array} array The array to inspect. * @param {Function} [predicate=

(array, predicate, fromIndex)

	 * // => 2
	 */
	function findIndex(array, predicate, fromIndex) {
	  var length = array == null ? 0 : array.length;
	  if (!length) {
	    return -1;
	  }
	  var index = fromIndex == null ? 0 : toInteger(fromIndex);
	  if (index < 0) {
	    index = nativeMax(length + index, 0);
	  }
	  return baseFindIndex(array, baseIteratee(predicate, 3), index);
	}

	module.exports = findIndex;