print() to console log with color

Question

The code is:

let redColor = \"\\u{001B}[0;31m\"
var message = \"Some Message\"
print(redColor + message)  //This doesn\'t work
print(\"\\(redColor)\\(message         


        

Answer 1

Adding my own contribution:

struct Logger {
    /// Type of logs available
    enum LogType: String {
        /// To log a message
        case debug
        /// To log a warning
        case warning
        /// To log an error
        case error
    }
    
    /// Logs a debug message
    /// - Parameter message: Message to log
    /// - Parameter file: File that calls the function
    /// - Parameter line: Line of code from the file where the function is call
    /// - Parameter function: Function that calls the functon
    /// - Returns: The optional message that was logged
    @discardableResult
    static func d(message: String, file: String = #file, line: Int = #line, function: String = #function) -> String{
        return log(type: .debug, message: message, file: file, line: line, function: function)
    }
    
    /// Logs a warning message
    /// - Parameter message: Message to log
    /// - Parameter file: File that calls the function
    /// - Parameter line: Line of code from the file where the function is call
    /// - Parameter function: Function that calls the functon
    /// - Returns: The optional message that was logged
    @discardableResult
    static func w(message: String, file: String = #file, line: Int = #line, function: String = #function) -> String{
        return log(type: .warning, message: message, file: file, line: line, function: function)
    }
    
    /// Logs an error message
    /// - Parameter message: Message to log
    /// - Parameter file: File that calls the function
    /// - Parameter line: Line of code from the file where the function is call
    /// - Parameter function: Function that calls the functon
    /// - Returns: The optional message that was logged
    @discardableResult
    static func e(message: String, file: String = #file, line: Int = #line, function: String = #function) -> String{
        return log(type: .error, message: message, file: file, line: line, function: function)
    }
    
    /// Logs an message
    /// - Parameter logType: Type of message to log
    /// - Parameter message: Message to log
    /// - Parameter file: File that calls the function
    /// - Parameter line: Line of code from the file where the function is call
    /// - Parameter function: Function that calls the functon
    /// - Returns: The optional message that was logged
    @discardableResult
    static func log(type logType: LogType = .debug, message: String, file: String = #file, line: Int = #line, function: String = #function) -> String{
        var logMessage = ""
        
        switch logType{
        case .debug:
            logMessage += "                                                                    

                                                        
            

Answer 2

Xcode doesn't support console coloring since Xcode 8.

But Since Xcode is fully unicode compatible, you can use emojis instead! for example you can use You can use ⚠️ for warning messages and

Answer 3

Nowadays, Xcode debugging console doesn't support coloring.

Answer 4

Adding to @Mojtaba's answer, you can use this for automating logging:

enum LogType: String{
case error
case warning
case success
case action
case canceled
}


class Logger{

 static func log(_ logType:LogType,_ message:String){
        switch logType {
        case LogType.error:
            print("\n                                                                    

                                                        
            

Answer 5

As @LeslieGodwin mentioned, the XcodeColors Xcode plugin adds color support to the Xcode console (for Xcode versions below 8)