There's nothing wrong with if statements. If you can't even understand the code yourself it's a sign that it needs to be rewritten. function x(result, Skip,

There's nothing wrong with if statements. If you can't even understand the code yourself it's a sign that it needs to be rewritten. function x(result, Skip, obj, traverseObject, treverseArray) { if(! result instanceof Skip) return result; if(typeof obj === "object") return traverseObject(Object.keys(obj)); if(Array.isArray(obj)) return traverseArray(obj); return new Skip("Not found."); }