add category to LoggerBackend

Author: fatbobman

README.md

@@ -64,6 +64,7 @@ Conform to `LoggerBackend` to create a custom backend:
 ```swift
 public protocol LoggerBackend: Sendable {
     var subsystem: String { get }
+    var category: String { get }
     func log(level: LogLevel, message: String, metadata: [String: String]?)
 }
 ```

Sources/SimpleLogger/Backend/ConsoleBackend.swift

@@ -16,12 +16,16 @@ public final class ConsoleLogBackend: LoggerBackend {
     /// The subsystem name.
     public let subsystem: String
 
+    /// The category name
+    public let category: String
+
     /// Initializes a `ConsoleLogBackend` instance with the specified subsystem.
     ///
     /// - Parameters:
     ///   - subsystem: The subsystem name.
-    public init(subsystem: String = "console logger") {
+    public init(subsystem: String = "console logger", category: String = "") {
         self.subsystem = subsystem
+        self.category = category
     }
 
     /// A date formatter for formatting the timestamp.
@@ -40,6 +44,7 @@ public final class ConsoleLogBackend: LoggerBackend {
     public func log(level: LogLevel, message: String, metadata: [String: String]?) {
         let timestamp = dateFormatter.string(from: Date())
         let fullMessage = "\(timestamp) [\(level.rawValue.uppercased())] " +
+            "\(subsystem)[\(category)] " +
             "\(message) in \(metadata?["function"] ?? "") at \(metadata?["file"] ?? ""):\(metadata?["line"] ?? "")"
         print(fullMessage)
     }

Sources/SimpleLogger/Backend/LoggerBackendProtocol.swift

@@ -15,6 +15,8 @@ import Foundation
 public protocol LoggerBackend: Sendable {
     /// The subsystem name.
     var subsystem: String { get }
+    /// The category name
+    var category: String { get }
 
     /// Logs a message with the specified level, message, and metadata.
     ///

Sources/SimpleLogger/Backend/OSLogBackend.swift

@@ -14,7 +14,11 @@ import OSLog
 
 /// An implementation of the `LoggerBackend` protocol that logs messages to OSLog.
 public final class OSLogBackend: LoggerBackend {
+    /// The subsystem name
     public let subsystem: String
+    /// The category name
+    public let category: String
+    /// A logger Instance
     let logger: Logger
 
     /// A boolean value that indicates whether the logger is enabled.
@@ -28,6 +32,7 @@ public final class OSLogBackend: LoggerBackend {
     ///   - environmentKey: The environment key to check for disabling the logger.
     public init(subsystem: String, category: String, environmentKey: String = "DisableLogger") {
         self.subsystem = subsystem
+        self.category = category
         logger = Logger(subsystem: subsystem, category: category)
         if let value = ProcessInfo.processInfo.environment[environmentKey]?.lowercased() {
             loggerEnabled = !(value == "true" || value == "1" || value == "yes")

Sources/SimpleLogger/SimpleLogger.docc/SimpleLogger.md

@@ -42,6 +42,7 @@ Conform to `LoggerBackend` to create a custom backend:
 ```swift
 public protocol LoggerBackend: Sendable {
     var subsystem: String { get }
+    var category: String { get }
     func log(level: LogLevel, message: String, metadata: [String: String]?)
 }
 ```

Tests/SimpleLoggerTests/LoggerManagerTests.swift

@@ -1,4 +1,4 @@
-@testable import LoggerManager
+@testable import SimpleLogger
 import Testing
 
 /// add `DisableLogger = true` in environment variables can disable log output