Código de JavaScript - Funciones flechas recursivas

const myPowerTriFunction = x => y => f => y == 0 ? 1 : x * f(x)(y - 1)(f);

const myPowerBiFunction = (x, y) => myPowerTriFunction(x)(y)(myPowerTriFunction);

console.log(myPowerBiFunction(3,5)); //prints 243

console.log(myPowerBiFunction(4,6)); //prints 4096