Created
April 14, 2015 15:36
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angular.module('ny.logger', []).provider('Logger', [function () { | |
var isEnabled = true; | |
this.enabled = function(_isEnabled) { | |
isEnabled = !!_isEnabled; | |
}; | |
this.$get = ['$log', function($log) { | |
var Logger = function(context) { | |
this.context = context; | |
}; | |
Logger.getInstance = function(context) { | |
return new Logger(context); | |
}; | |
Logger.supplant = function(str, o) { | |
return str.replace( | |
/\{([^{}]*)\}/g, | |
function (a, b) { | |
var r = o[b]; | |
return typeof r === 'string' || typeof r === 'number' ? r : a; | |
} | |
); | |
}; | |
Logger.getFormattedTimestamp = function(date) { | |
return Logger.supplant('{0}:{1}:{2}:{3}', [ | |
date.getHours(), | |
date.getMinutes(), | |
date.getSeconds(), | |
date.getMilliseconds() | |
]); | |
}; | |
Logger.prototype = { | |
_log: function(originalFn, args) { | |
if (!isEnabled) { | |
return; | |
} | |
var now = Logger.getFormattedTimestamp(new Date()); | |
var message = '', supplantData = []; | |
switch (args.length) { | |
case 1: | |
message = Logger.supplant("{0} - {1}: {2}", [ now, this.context, args[0] ]); | |
break; | |
case 3: | |
supplantData = args[2]; | |
message = Logger.supplant("{0} - {1}::{2}(\'{3}\')", [ now, this.context, args[0], args[1] ]); | |
break; | |
case 2: | |
if (typeof args[1] === 'string') { | |
message = Logger.supplant("{0} - {1}::{2}(\'{3}\')", [ now, this.context, args[0], args[1] ]); | |
} else { | |
supplantData = args[1]; | |
message = Logger.supplant("{0} - {1}: {2}", [ now, this.context, args[0] ]); | |
} | |
break; | |
} | |
$log[originalFn].call(null, Logger.supplant(message, supplantData)); | |
}, | |
log: function() { | |
this._log('log', arguments); | |
}, | |
info: function() { | |
this._log('info', arguments); | |
}, | |
warn: function() { | |
this._log('warn', arguments); | |
}, | |
debug: function() { | |
this._log('debug', arguments); | |
}, | |
error: function() { | |
this._log('error', arguments); | |
} | |
}; | |
return Logger; | |
}]; | |
}]); |
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