define(['../internal/baseCallback'], function(baseCallback) { /** * This method is like `_.findIndex` except that it iterates over elements * of `collection` from right to left. * * If a property name is provided for `predicate` the created "_.property" * style callback returns the property value of the given element. * * If an object is provided for `predicate` the created "_.matches" style * callback returns `true` for elements that have the properties of the given * object, else `false`. * * @static * @memberOf _ * @category Array * @param {Array} array The array to search. * @param {Function|Object|string} [predicate=_.identity] The function invoked * per iteration. If a property name or object is provided it is used to * create a "_.property" or "_.matches" style callback respectively. * @param {*} [thisArg] The `this` binding of `predicate`. * @returns {number} Returns the index of the found element, else `-1`. * @example * * var users = [ * { 'user': 'barney', 'age': 36, 'active': true }, * { 'user': 'fred', 'age': 40, 'active': false }, * { 'user': 'pebbles', 'age': 1, 'active': false } * ]; * * _.findLastIndex(users, function(chr) { return chr.age < 40; }); * // => 2 * * // using the "_.matches" callback shorthand * _.findLastIndex(users, { 'age': 40 }); * // => 1 * * // using the "_.property" callback shorthand * _.findLastIndex(users, 'active'); * // => 0 */ function findLastIndex(array, predicate, thisArg) { var length = array ? array.length : 0; predicate = baseCallback(predicate, thisArg, 3); while (length--) { if (predicate(array[length], length, array)) { return length; } } return -1; } return findLastIndex; });