Have you tried diving into ES6 yet? It's much more terse now that they stole the good bits from coffeescript... let some_func = callback => callback(new Er

Have you tried diving into ES6 yet? It's much more terse now that they stole the good bits from coffeescript... let some_func = callback => callback(new Error('boom')); let some_func = err => console.log(err || 'everything is fine');