composition with lodash _.flow(), and with flowArg to differently distribute arguments

index.js

var _ = require('lodash'); // 4.0.1

// filter implementations doesn't matter right now

var _method = function (method, handler) {
	return function (req, res, next) {
		console.log('_method middleware', method);
		handler(req, res, next);
		// or call next()
	}
}

var _path = function (path, handler) {
	return function (req, res, next) {
		console.log('_path middleware', path);
		handler(req, res, next);
		// or call next()
	}
}

console.log('------------------------------');

console.log('A:');
var listenerA = _method('get',
	_path('p/a/t/h/', function (req, res, next) {
		console.log('end:', req, res);
	})
);
listenerA('request fake', 'response fake');


console.log('------------------------------');

var _get = _.partial(_method, 'get');

console.log('B:');
var listenerB = _get(
	_path('p/a/t/h/', function (req, res, next) {
		console.log('end:', req, res);
	})
);
listenerB('request fake', 'response fake');

console.log('------------------------------');

var _getPath = _.flow(_path, _get);

console.log('C:');
var listenerC = _getPath('p/a/t/h/', function (req, res, next) {
	console.log('end:', req, res);
});
listenerC('request fake', 'response fake');


console.log('------------------------------');

var _flowArg = function (f, g) {
    return function(gArg, fArg, handler) {
        return g(gArg, f(fArg, handler))
    };
}

var _requestPath = _flowArg(_path, _method);

console.log('D:');
var listenerD = _requestPath('get', 'p/a/t/h/', function (req, res, next) {
	console.log('end:', req, res);
});
listenerD('request fake', 'response fake');

console.log('------------------------------');