Early Return Sample

earlyReturn.js

function calculateSomeFormula(param1, param2) {
  if (!param1) {
    throw new Error('Param1 is not defined');
  }

  if (isNaN(param1)) {
    throw new Error('Param1 is not a number');
  }

  if (!param2) {
    throw new Error('Param2 is not defined');
  }

  if (isNaN(param2)) {
    throw new Error('Param2 is not a number');
  }

  return (param1 * 2) * (param2 * 3);
}