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August 1, 2018 20:43
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import CocoaLumberjack | |
extension DDLogFlag { | |
public var level: String { | |
switch self { | |
case DDLogFlag.error: return "❤️ ERROR" | |
case DDLogFlag.warning: return "💛 WARNING" | |
case DDLogFlag.info: return "💙 INFO" | |
case DDLogFlag.debug: return "💚 DEBUG" | |
case DDLogFlag.verbose: return "💜 VERBOSE" | |
default: return "☠️ UNKNOWN" | |
} | |
} | |
} | |
private class LogFormatter: NSObject, DDLogFormatter { | |
static let dateFormatter = DateFormatter().then { | |
$0.dateFormat = "yyyy-MM-dd HH:mm:ss.SSS" | |
} | |
public func format(message logMessage: DDLogMessage) -> String? { | |
let timestamp = LogFormatter.dateFormatter.string(from: logMessage.timestamp) | |
let level = logMessage.flag.level | |
let filename = logMessage.fileName | |
let function = logMessage.function ?? "" | |
let line = logMessage.line | |
let message = logMessage.message.components(separatedBy: "\n").joined(separator: "\n ") | |
return "\(timestamp) \(level) \(filename).\(function):\(line) - \(message)" | |
} | |
private func formattedDate(from date: Date) -> String { | |
return LogFormatter.dateFormatter.string(from: date) | |
} | |
} | |
/// A shared instance of `Logger`. | |
let log = Logger() | |
final class Logger { | |
// MARK: Initialize | |
init() { | |
setenv("XcodeColors", "YES", 0) | |
// TTY = Xcode console | |
DDTTYLogger.sharedInstance.do { | |
$0.logFormatter = LogFormatter() | |
$0.colorsEnabled = false /*true*/ // Note: doesn't work in Xcode 8 | |
$0.setForegroundColor(DDMakeColor(30, 121, 214), backgroundColor: nil, for: .info) | |
$0.setForegroundColor(DDMakeColor(50, 143, 72), backgroundColor: nil, for: .debug) | |
DDLog.add($0) | |
} | |
// File logger | |
DDFileLogger().do { | |
$0.rollingFrequency = TimeInterval(60 * 60 * 24) // 24 hours | |
$0.logFileManager.maximumNumberOfLogFiles = 7 | |
DDLog.add($0) | |
} | |
} | |
// MARK: Logging | |
func error( | |
_ items: Any..., | |
file: StaticString = #file, | |
function: StaticString = #function, | |
line: UInt = #line | |
) { | |
let message = self.message(from: items) | |
DDLogError(message, file: file, function: function, line: line) | |
} | |
func warning( | |
_ items: Any..., | |
file: StaticString = #file, | |
function: StaticString = #function, | |
line: UInt = #line | |
) { | |
let message = self.message(from: items) | |
DDLogWarn(message, file: file, function: function, line: line) | |
} | |
func info( | |
_ items: Any..., | |
file: StaticString = #file, | |
function: StaticString = #function, | |
line: UInt = #line | |
) { | |
let message = self.message(from: items) | |
DDLogInfo(message, file: file, function: function, line: line) | |
} | |
func debug( | |
_ items: Any..., | |
file: StaticString = #file, | |
function: StaticString = #function, | |
line: UInt = #line | |
) { | |
let message = self.message(from: items) | |
DDLogDebug(message, file: file, function: function, line: line) | |
} | |
func verbose( | |
_ items: Any..., | |
file: StaticString = #file, | |
function: StaticString = #function, | |
line: UInt = #line | |
) { | |
let message = self.message(from: items) | |
DDLogVerbose(message, file: file, function: function, line: line) | |
} | |
// MARK: Utils | |
private func message(from items: [Any]) -> String { | |
return items | |
.map { String(describing: $0) } | |
.joined(separator: " ") | |
} | |
} |
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