hot_require.js

exports.hotRequire = function(variable, path, prop = null) {
	if ("string" === typeof prop)
		module.parent.exports.scope[variable] = require(path)[prop];
	else
		module.parent.exports.scope[variable] = require(path);

	(function(variable, path, prop) {
		process.watchFile(path, function() {
			if ("string" === typeof prop)
				module.parent.exports.scope[variable] = require(path)[prop];
			else
				module.parent.exports.scope[variable] = require(path);
		});
	})(variable, path, prop);
}

usage.js

var hotRequire = require("./hot_require").hotRequire;

hotRequire("someVariable", "module");

someVariable.Export();


// OR
//
hotRequire("someVariable", "module", "Export");

someVariable()