old_contents: 
  /**
   * This is the web browser implementation of `debug()`.
   *
   * Expose `debug()` as the module.
   */
  
  exports = module.exports = require('./debug');
  exports.log = log;
  exports.save = save;
  exports.load = load;
  
  /**
   * Colors.
   */
  
  var colors = [
    'cyan',
    'green',
    'goldenrod', // "yellow" is just too bright on a white background...
    'blue',
    'purple',
    'red'
  ];
  
  /**
   * Previously assigned color.
   */
  
  var prevColor = 0;
  
  /**
   * Currently only WebKit-based Web Inspectors and the Firebug
   * extension (*not* the built-in Firefox web inpector) are
   * known to support "%c" CSS customizations.
   *
   * TODO: add a `localStorage` variable to explicitly enable/disable colors
   */
  
  var useColors =
    // is webkit? http://stackoverflow.com/a/16459606/376773
    ('WebkitAppearance' in document.documentElement.style) ||
    // is firebug? http://stackoverflow.com/a/398120/376773
    (window.console && (console.firebug || (console.exception && console.table)));
  
  
  /**
   * Select a color.
   *
   * @return {Number}
   * @api private
   */
  
  function selectColor() {
    return colors[prevColor++ % colors.length];
  }
  
  /**
   * Invokes `console.log()` when available.
   * No-op when `console.log` is not a "function".
   *
   * @api public
   */
  
  function log(fmt) {
    var args = arguments;
    var curr = new Date();
    var ms = curr - (this.prev || curr);
    this.prev = curr;
  
    fmt = (useColors ? '%c' : '')
      + this.namespace
      + (useColors ? '%c ' : ' ')
      + fmt
      + (useColors ? '%c ' : ' ')
      + '+' + exports.humanize(ms);
  
    if (useColors) {
      if (null == this.c) this.c = selectColor();
      var c = 'color: ' + this.c;
      args = [args[0], c, ''].concat(Array.prototype.slice.call(arguments, 1));
      args.push(c);
    }
  
    // This hackery is required for IE8,
    // where the `console.log` function doesn't have 'apply'
    return 'object' == typeof console
      && 'function' == typeof console.log
      && Function.prototype.apply.call(console.log, console, args);
  }
  
  /**
   * Save `namespaces`.
   *
   * @param {String} namespaces
   * @api private
   */
  
  function save(namespaces) {
    try {
      localStorage.debug = namespaces;
    } catch(e) {}
  }
  
  /**
   * Load `namespaces`.
   *
   * @return {String} returns the previously persisted debug modes
   * @api private
   */
  
  function load() {
    var r;
    try {
      r = localStorage.debug;
    } catch(e) {}
    return r;
  }
  
  /**
   * Enable namespaces listed in `localStorage.debug` initially.
   */
  
  exports.enable(load());
  
new_contents: 
  /**
   * This is the web browser implementation of `debug()`.
   *
   * Expose `debug()` as the module.
   */
  
  exports = module.exports = require('./debug');
  exports.log = log;
  exports.save = save;
  exports.load = load;
  
  /**
   * Colors.
   */
  
  var colors = [
    'cyan',
    'green',
    'goldenrod', // "yellow" is just too bright on a white background...
    'blue',
    'purple',
    'red'
  ];
  
  /**
   * Previously assigned color.
   */
  
  var prevColor = 0;
  
  /**
   * Currently only WebKit-based Web Inspectors and the Firebug
   * extension (*not* the built-in Firefox web inpector) are
   * known to support "%c" CSS customizations.
   *
   * TODO: add a `localStorage` variable to explicitly enable/disable colors
   */
  
  var useColors =
    // is webkit? http://stackoverflow.com/a/16459606/376773
    ('WebkitAppearance' in document.documentElement.style) ||
    // is firebug? http://stackoverflow.com/a/398120/376773
    (window.console && (console.firebug || (console.exception && console.table)));
  
  
  /**
   * Select a color.
   *
   * @return {Number}
   * @api private
   */
  
  function selectColor() {
    return colors[prevColor++ % colors.length];
  }
  
  /**
   * Invokes `console.log()` when available.
   * No-op when `console.log` is not a "function".
   *
   * @api public
   */
  
  function log() {
    var args = arguments;
    var curr = new Date();
    var ms = curr - (this.prev || curr);
    this.prev = curr;
  
    args[0] = (useColors ? '%c' : '')
      + this.namespace
      + (useColors ? '%c ' : ' ')
      + args[0]
      + (useColors ? '%c ' : ' ')
      + '+' + exports.humanize(ms);
  
    if (useColors) {
      if (null == this.c) this.c = selectColor();
      var c = 'color: ' + this.c;
      args = [args[0], c, ''].concat(Array.prototype.slice.call(args, 1));
      args.push(c);
    }
  
    // This hackery is required for IE8,
    // where the `console.log` function doesn't have 'apply'
    return 'object' == typeof console
      && 'function' == typeof console.log
      && Function.prototype.apply.call(console.log, console, args);
  }
  
  /**
   * Save `namespaces`.
   *
   * @param {String} namespaces
   * @api private
   */
  
  function save(namespaces) {
    try {
      localStorage.debug = namespaces;
    } catch(e) {}
  }
  
  /**
   * Load `namespaces`.
   *
   * @return {String} returns the previously persisted debug modes
   * @api private
   */
  
  function load() {
    var r;
    try {
      r = localStorage.debug;
    } catch(e) {}
    return r;
  }
  
  /**
   * Enable namespaces listed in `localStorage.debug` initially.
   */
  
  exports.enable(load());
  
subject: fix colors in strict mode