Logger in swift

log.swift

//
//  Logger.swift
//  Klimate
//
//  Created by Kraig Spear on 10/23/20.
//

import Foundation

public protocol Logger {
    func log(level: LogLevel,
             message: String,
             context: String?,
             file: StaticString,
             function: StaticString,
             line: UInt)
}

public extension Logger {
    func debug(_ message: String,
               context: String? = nil,
               file: StaticString = #file,
               function: StaticString = #function,
               line: UInt = #line) {
        log(level: .debug,
            message: message,
            context: context,
            file: file,
            function: function,
            line: line)
    }

    func info(_ message: String,
              context: String? = nil,
              file: StaticString = #file,
              function: StaticString = #function,
              line: UInt = #line) {
        log(level: .info,
            message: message,
            context: context,
            file: file,
            function: function,
            line: line)
    }

    func warning(_ message: String,
              context: String? = nil,
              file: StaticString = #file,
              function: StaticString = #function,
              line: UInt = #line) {
        log(level: .warn,
            message: message,
            context: context,
            file: file,
            function: function,
            line: line)
    }

    func error(_ message: String,
               context: String? = nil,
               file: StaticString = #file,
               function: StaticString = #function,
               line: UInt = #line) {
        log(level: .error,
            message: message,
            context: context,
            file: file,
            function: function,
            line: line)
    }

    func verbose(_ message: String,
                 context: String? = nil,
                 file: StaticString = #file,
                 function: StaticString = #function,
                 line: UInt = #line) {
        log(level: .verbose,
              message: message,
              context: context,
              file: file,
              function: function,
              line: line)
    }

    func toMessage(file: StaticString,
                     function: StaticString,
                     line: UInt,
                     message: String) -> String {
        let fileName = URL(fileURLWithPath: String(describing: file)).lastPathComponent.split(separator: ".").map(String.init).first ?? ""

        let functionStr = String(describing: function).split(separator: "(").first!
        return "\(fileName).\(functionStr):\(line) - \(message)"
    }
}

public enum LogLevel {
    case info
    case debug
    case warn
    case error
    case verbose
}