maths_example_abcdef/lib/advanced_math.js

un exemple ce création de package

var call_counter = require('/call_counter');
function multiply(x,y){
  call_counter();
  return x*y;
}

function divide(x,y){
  call_counter();
  return x/y;
}

function fibo(count){
  call_counter();
  return private fibo(count);
}

function private_fibo(count, counter, first, second){
  if (count == 0) return 0;
  if(count==undefined){
    counter=1;
    first = 1
    second = 2;
  }
  result = first+second;
  if (counter==count) return result;
  private_fibo(count,++counter,second,result);
  return result;
}

module.exports = {
  multiplication:multiply,
  division:divide,
  fibonacci:fibo
}