72 lines
1.7 KiB
CoffeeScript
72 lines
1.7 KiB
CoffeeScript
# Pads the nice output to the longest log level.
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pad = (str) ->
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max = 0
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i = 0
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l = levels.length
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while i < l
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max = Math.max(max, levels[i].length)
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i++
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return str + new Array(max - str.length + 1).join(" ") if str.length < max
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str
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# Log levels.
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levels = [ "error", "warn", "info", "debug" ]
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# Colors for log levels.
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colors = [ 91, 93, 34, 90 ]
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# Logger module, copied and adapted from SocketIO
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#
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# @method .info(message)
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# Prints an info message
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# @method .error(message)
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# Prints an error message
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# @method .warn(message)
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# Prints a warning message
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# @method .debug(message)
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# Prints a debug message
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#
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# @see https://github.com/LearnBoost/socket.io
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module.exports = class Logger
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@colors = false
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@level = 3
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@enabled = true
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# Saves to log and to req.flash to also show in a view.
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@flash = (req, type) ->
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args = toArray(arguments).slice(2)
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log.apply this, [ type ].concat(args)
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type = "success" if type is "info"
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req.flash type, args.join(" ")
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# Generate methods for the types of log we want.
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levels.forEach (name) ->
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Logger[name] = ->
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log.apply this, [ name ].concat(toArray(arguments))
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# Standard log method.
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log = (type) ->
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index = levels.indexOf(type)
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if index > Logger.level or
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not Logger.enabled or process.env.LOGGER_DISABLED
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return Logger
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now = new Date()
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if Logger.colors
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msg = [ "\u001b[" + colors[index] + "m[" + now.toISOString() + "] " + type + ":\u001b[39m" ]
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else
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msg = [ "[" + now.toISOString() + "] " + type + ":" ]
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console.log.apply console, msg.concat(toArray(arguments).slice(1))
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Logger
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# Converts an enumerable to an array.
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toArray = (enu) ->
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arr = []
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i = 0
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l = enu.length
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while i < l
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arr.push enu[i]
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i++
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arr
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