Simple Curry in JS

curry.js

export function curry( fn, arity = fn.length ) {
  let args = [];
  
  return function curriedFn( ...newArgs ) {
    args = [ ...args, ...newArgs ];
    
    if ( args.length >= arity ) {
      return fn( ...args );
    }
    
    return curriedFn;
  };
}

export default curry;