amechtake

const next = function(number){
    if(number < 9 ){
        return number + 1;
    }
    const numberAsString = Number(number).toString();
    let numerics = numberAsString.split('').map(x => parseInt(x));
    let maxSize = numerics.length;
    let firstDigit = numerics.length && (numerics[0] + 1) || null;
    if(firstDigit && firstDigit > 9){
        firstDigit = 1;

amechtake

/**
    Code copyright Dustin Diaz and Ross Harmes, Pro JavaScript Design Patterns.
**/

// Constructor.
var Interface = function (name, methods) {
        if (arguments.length != 2) {
            throw new Error("Interface constructor called with " + arguments.length + "arguments, but expected exactly 2.");
        }
        this.name = name;

amechtake

rivets.formatters['!'] = function(value)
{
  return !value;
};
rivets.formatters.eq = function(value, args)
{
  return value === args;
};
rivets.formatters.neq = function(value, args)
{