cmath_example/lib/simple_math.js

An example of creating a package

var call_counter = require('./call_counter');

function add(x, y) {
   call_counter();
   return x + y;
}

function subtract(x, y) {
   call_counter();
   return x - y;
}

module.exports = {
   addition: add,
   subtraction: subtract
}