njseries_02_01.js

class Router {

    constructor(){
        this._routes = []
        this._prefix = ''
    }

    route(specs, methods, handlers){ ... }
    group(prefix, fn){ ... }
    all(specs, handlers){ ... }
    _dispatch(request, response){ ... }
    _patternToRegex(pattern){ ... }
    _cleanHandlers(handlers){ ... }

}