define(['../internal/baseCallback', '../internal/baseSlice'], function(baseCallback, baseSlice) { /** * Creates a slice of `array` excluding elements dropped from the beginning. * Elements are dropped until `predicate` returns falsey. The predicate is * bound to `thisArg` and invoked with three arguments; (value, index, array). * * 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 _ * @type Function * @category Array * @param {Array} array The array to query. * @param {Function|Object|string} [predicate=_.identity] The function invoked * per element. * @param {*} [thisArg] The `this` binding of `predicate`. * @returns {Array} Returns the slice of `array`. * @example * * _.dropWhile([1, 2, 3], function(n) { return n < 3; }); * // => [3] * * var users = [ * { 'user': 'barney', 'status': 'busy', 'active': true }, * { 'user': 'fred', 'status': 'busy', 'active': false }, * { 'user': 'pebbles', 'status': 'away', 'active': true } * ]; * * // using the "_.property" callback shorthand * _.pluck(_.dropWhile(users, 'active'), 'user'); * // => ['fred', 'pebbles'] * * // using the "_.matches" callback shorthand * _.pluck(_.dropWhile(users, { 'status': 'busy' }), 'user'); * // => ['pebbles'] */ function dropWhile(array, predicate, thisArg) { var length = array ? array.length : 0; if (!length) { return []; } var index = -1; predicate = baseCallback(predicate, thisArg, 3); while (++index < length && predicate(array[index], index, array)) {} return baseSlice(array, index); } return dropWhile; });