arrow-orm/lib/utils.js

API Builder ORM

function createWrappedFunction(instance, name) {
	if (!instance[name]) {
		return;
	}
	var fn = instance['wrapped' + name];
	// only wrap once, if wrapped, return fn
	if (fn) {
		return instance[name];
	}
	instance['wrapped' + name] = instance[name];
	instance[name] = function () {
		// if we don't have a context, use the instance and re-invoke
		if (!this) {
			return instance[name].apply(instance, arguments);
		}
		// if we aren't invoking with an instance of our class, re-invoke
		if (!(this instanceof Object.getPrototypeOf(instance).constructor)) {
			return instance[name].apply(instance, arguments);
		}
		var args = arguments;
		var target = instance['wrapped' + name];
		return target.apply(this, args);
	};
	return instance[name];
}

module.exports = {
	createWrappedFunction
};