Basic NodeJS router

router.js

var url = require('url');

var Router = function() {
    this.handlers = [];

    this.add = add;
    this.match = match;
    this.handleInvalidRoute = handleInvalidRoute;
}

var Handler = function(path, method) {
    this.route = new Route(path);
    this.method = method;
}

const Route = function(path) {
    let segments = path.split('/')
        .map((segment, index) => ({name: segment, index: index - 1}))
        .filter(({ name }) => name !== '');

    this.segments = segments;
}

let add = function(url, method) {
    this.handlers.push(new Handler(url, method));
}

let match = function(request, response) {
    let queryRoute = new Route(request.url);
    let handlers = this.handlers;
    let originalRequestObject = request;

    for (let i = 0; i < handlers.length; i++) {
        if (handlers[i].route.segments.length !== queryRoute.segments.length) continue;

        for (let j = 0; j < handlers[i].route.segments.length; j++) {
            if (handlers[i].route.segments[j].name[0] !== ":" &&
                JSON.stringify(handlers[i].route.segments[j]) !== JSON.stringify(queryRoute.segments[j]))
                break;

            if (handlers[i].route.segments[j].name[0] === ":") {
                let param = handlers[i].route.segments[j];
                let paramIndex = handlers[i].route.segments[j].index;
                let queryParam = queryRoute.segments[paramIndex];

                request[param.name.substr(1)] = queryParam.name;
            }
            // Is a last segment and was correct, so we have a match
            if (j === handlers[i].route.segments.length - 1)
                return handlers[i].method(request, response);
        }
    }
    // We are passing an original request object, so that it doesn't contain any new objects that were added.
    return this.handleInvalidRoute(originalRequestObject, response);
}

let handleInvalidRoute = function(request, response) {
    response.writeHead(404, {'Content-Type': 'text/plain'});
    response.write("The provided URL is invalid! : " + request.url);
    response.end();
}

module.exports = Router;