import _isArray from './_isArray.js'; /** * This checks whether a function has a [methodname] function. If it isn't an * array it will execute that function otherwise it will default to the ramda * implementation. * * @private * @param {Function} fn ramda implemtation * @param {String} methodname property to check for a custom implementation * @return {Object} Whatever the return value of the method is. */ export default function _checkForMethod(methodname, fn) { return function () { var length = arguments.length; if (length === 0) { return fn(); } var obj = arguments[length - 1]; return _isArray(obj) || typeof obj[methodname] !== 'function' ? fn.apply(this, arguments) : obj[methodname].apply(obj, Array.prototype.slice.call(arguments, 0, length - 1)); }; }