Javasript helper convert object into human readable (under development)

humanize.js

window.Humanize = {
  
  // Humanize.numberToCurrency(100)   => "$100"
  // Humanize.numberToCurrency(10000) => "$10,000"
  // Humanize.numberToCurrency(50.0501) => "$50.0501"
  // Humanize.numberToCurrency(50.0501, { precision: 2 }) => "$50.05"
  // Humanize.numberToCurrency(50, { unit: '£' }) => "£50"  
  // Humanize.numberToCurrency(10000, { delimiter: ';' }) => "$10;000"
  numberToCurrency: function(number, paramsOptions) {
    var defaultOptions, delimited, delimiter, fixed, options, precision, unit;
    if (paramsOptions == null) {
      paramsOptions = {};
    }
    defaultOptions = {
      unit: '$',
      precision: 2,
      delimiter: ','
    };
    options = $.extend({}, defaultOptions, paramsOptions);
    delimiter = options.delimiter;
    precision = options.precision;
    unit = options.unit;
    fixed = Humanize.toFixed(number, precision);
    delimited = fixed.replace(/\B(?=(\d{3})+(?!\d))/g, delimiter);
    return "" + unit + delimited;
  },
  
  // Humanize.toFixed(0.123456) => "0.123"
  // Humanize.toFixed(0.123456, 3) => "0.123"
  toFixed: function(number, precision) {
    if (precision == null) {
      precision = 2;
    }
    return number.toFixed(precision).replace(/\.?0*$/, '');
  },
  
  // Humanize.capitalize("hello") => "Hello"
  // Humanize.capitalize("hello world") => "Hello World"
  // Humanize.capitalize("hello-world") => "Hello-world"
  capitalize: function(value) {
    return value.replace(/(^|\s)([a-z])/g, function(m, p1, p2) {
      return p1 + p2.toUpperCase();
    });
  }
};