Logger decorator for class and functions

logger.js

function logger(target, name, descriptor) {
  const fn = descriptor.value;
  
  descriptor.value = function (...args) {
    console.log(`Calling ${name} with:\n${args.join('\n')}`);
    console.log(args);
    
    const result = fn.apply(target, args);
    
    console.log(`Result:\n${result}`);
    
    return result;
  }
}

function logger(fn) {
  return (...args) => {
    console.log(`Function ${fn.name} called with:\n${args.join('\n')}`);
    
    const result = fn.apply(this, args);
    
    console.log(`Result:\n${result}`);
    
    return result;
  }
}