Function debug

public/javascripts/socket.io.js:731–798

* Create a debugger with the given `namespace`. * * @param {String} namespace * @return {Function} * @api public

(namespace)

	 */

	function debug(namespace) {

	  // define the `disabled` version
	  function disabled() {
	  }
	  disabled.enabled = false;

	  // define the `enabled` version
	  function enabled() {

	    var self = enabled;

	    // set `diff` timestamp
	    var curr = +new Date();
	    var ms = curr - (prevTime || curr);
	    self.diff = ms;
	    self.prev = prevTime;
	    self.curr = curr;
	    prevTime = curr;

	    // add the `color` if not set
	    if (null == self.useColors) self.useColors = exports.useColors();
	    if (null == self.color && self.useColors) self.color = selectColor();

	    var args = new Array(arguments.length);
	    for (var i = 0; i < args.length; i++) {
	      args[i] = arguments[i];
	    }

	    args[0] = exports.coerce(args[0]);

	    if ('string' !== typeof args[0]) {
	      // anything else let's inspect with %o
	      args = ['%o'].concat(args);
	    }

	    // apply any `formatters` transformations
	    var index = 0;
	    args[0] = args[0].replace(/%([a-z%])/g, function(match, format) {
	      // if we encounter an escaped % then don't increase the array index
	      if (match === '%%') return match;
	      index++;
	      var formatter = exports.formatters[format];
	      if ('function' === typeof formatter) {
	        var val = args[index];
	        match = formatter.call(self, val);

	        // now we need to remove `args[index]` since it's inlined in the `format`
	        args.splice(index, 1);
	        index--;
	      }
	      return match;
	    });

	    // apply env-specific formatting
	    args = exports.formatArgs.apply(self, args);

	    var logFn = enabled.log || exports.log || console.log.bind(console);