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Updated script based on feedback #3

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Updated script based on feedback #3

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154 changes: 64 additions & 90 deletions normalizeconsole.js
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Original file line number Diff line number Diff line change
@@ -1,91 +1,65 @@

(function(console) {
/*********************************************************************************************
* Make sure console exists because IE blows up if it's not open and you attempt to access it
* Create some dummy functions if we need to, so we don't have to if/else everything
*********************************************************************************************/
console||(console = window.console = {
// all this "a, b, c, d, e" garbage is to make the IDEs happy, since they can't do variable argument lists
/**
* @param a
* @param [b]
* @param [c]
* @param [d]
* @param [e]
*/
log: function(a, b, c, d, e) {},
/**
* @param a
* @param [b]
* @param [c]
* @param [d]
* @param [e]
*/
info: function(a, b, c, d, e) {},
/**
* @param a
* @param [b]
* @param [c]
* @param [d]
* @param [e]
*/
warn: function(a, b, c, d, e) {},
/**
* @param a
* @param [b]
* @param [c]
* @param [d]
* @param [e]
*/
error: function(a, b, c, d, e) {}
});

// le sigh, IE, oh IE, how we fight... fix Function.prototype.bind as needed
if (!Function.prototype.bind) {
//credits: taken from bind_even_never in this discussion: https://prototype.lighthouseapp.com/projects/8886/tickets/215-optimize-bind-bindaseventlistener#ticket-215-9
Function.prototype.bind = function(context) {
var fn = this, args = Array.prototype.slice.call(arguments, 1);
return function(){
/**
* Console Normalizer, https://github.com/Zenovations/console-normalizer
* @version 2013-04-10
* @license MIT
*/
(function (root) {
"use strict";
if(typeof root !== "object"){
return;
}
/*********************************************************************************************
* Make sure console exists because IE blows up if it's not open and you attempt to access it
* Create some dummy functions if we need to, so we don't have to if/else everything
*********************************************************************************************/
var console = root.console || {
error : function () {},
info : function () {},
log : function () {},
warn : function () {}
};

//credits: taken from bind_even_never in this discussion: https://prototype.lighthouseapp.com/projects/8886/tickets/215-optimize-bind-bindaseventlistener#ticket-215-9
Function.prototype.bind = Function.prototype.bind || function (context) {
var fn = this,
args = Array.prototype.slice.call(arguments, 1);
return function () {
return fn.apply(context, Array.prototype.concat.apply(args, arguments));
};
};
}

// IE 9 won't allow us to call console.log.apply (WTF IE!) It also reports typeof(console.log) as 'object' (UNH!)
// but together, those two errors can be useful in allowing us to fix stuff so it works right
if( typeof(console.log) === 'object' ) {
// Array.forEach doesn't work in IE 8 so don't try that :(
console.log = Function.prototype.call.bind(console.log, console);
console.info = Function.prototype.call.bind(console.info, console);
console.warn = Function.prototype.call.bind(console.warn, console);
console.error = Function.prototype.call.bind(console.error, console);
}

/**
* Support group and groupEnd functions
*/
('group' in console) ||
(console.group = function(msg) {
console.info("\n------------\n"+msg+"\n------------");
});
('groupEnd' in console) ||
(console.groupEnd = function() {
//console.log("\n\n");
});

/**
* Support time and timeEnd functions
*/
('time' in console) ||
(function() {
var trackedTimes = {};
console.time = function(msg) {
trackedTimes[msg] = new Date().getTime();
};
console.timeEnd = function(msg) {
var end = new Date().getTime(), time = (msg in trackedTimes)? end - trackedTimes[msg] : 0;
console.info(msg+': '+time+'ms')
}
}());

})(window.console);
};
};

// IE 9 won't allow us to call console.log.apply (WTF IE!) It also reports typeof(console.log) as 'object' (UNH!)
// but together, those two errors can be useful in allowing us to fix stuff so it works right
if (typeof(console.log) === 'object') {
console.error = Function.prototype.call.bind(console.error, console);
console.info = Function.prototype.call.bind(console.info, console);
console.log = Function.prototype.call.bind(console.log, console);
console.warn = Function.prototype.call.bind(console.warn, console);
}

/**
* Support group and groupEnd functions
*/
console.group = console.group || function (msg) {
console.info("\n------------\n" + msg + "\n------------");
};

console.groupEnd = console.groupEnd || function () {};
/**
* Support time and timeEnd functions
*/

console.trackedTimes = {};

console.time = console.time || function (msg) {
console.trackedTimes[msg] = new Date().getTime();
};

console.timeEnd = console.timeEnd || function (msg) {
var end = new Date().getTime(),
time = end - (console.trackedTimes[msg] || end);
console.info(msg + ': ' + time + 'ms');
};

root.console = console;
}(window));