define(['./baseEach', './isLength'], function(baseEach, isLength) { /** Used as a safe reference for `undefined` in pre-ES5 environments. */ var undefined; /** * The base implementation of `_.invoke` which requires additional arguments * to be provided as an array of arguments rather than individually. * * @private * @param {Array|Object|string} collection The collection to iterate over. * @param {Function|string} methodName The name of the method to invoke or * the function invoked per iteration. * @param {Array} [args] The arguments to invoke the method with. * @returns {Array} Returns the array of results. */ function baseInvoke(collection, methodName, args) { var index = -1, isFunc = typeof methodName == 'function', length = collection ? collection.length : 0, result = isLength(length) ? Array(length) : []; baseEach(collection, function(value) { var func = isFunc ? methodName : (value != null && value[methodName]); result[++index] = func ? func.apply(value, args) : undefined; }); return result; } return baseInvoke; });