Do not use [fmt.Sprintf] if no replacement arguments were provided

cmd/main.go

@@ -42,7 +42,7 @@ func main() {
 
 	lOther.Log(logger.LevelDebug, "Greetings from your brother")
 	logger.Info("It's a Me, Mario")
-	lOther.Log(logger.LevelError, "And im your brother luigi")
+	lOther.Log(logger.LevelError, "And im your brother %s", "luigi")
 
 	// Create a copy of the logger
 	lOtherCloned := logger.CloneLogger(lOther)

colors.go

@@ -1,7 +1,6 @@
 package logger
 
 import (
-	"fmt"
 	"os"
 )
 
@@ -16,20 +15,20 @@ type colorConfig struct {
 // matching color. You can also specify replace values after the string
 // using printf.
 var (
-	colPurple      = color("\033[1;35m%s\033[0m")
-	colPurpleLight = color("\033[0;35m%s\033[0m")
-	colRed         = color("\033[1;31m%s\033[0m")
-	colYellow      = color("\033[1;33m%s\033[0m")
-	colBlue        = color("\033[1;34m%s\033[0m")
-	colBlueLight   = color("\033[0;34m%s\033[0m")
-	colCyan        = color("\033[1;36m%s\033[0m")
-	colGreen       = color("\033[0;32m%s\033[0m")
+	colPurple      = color("\033[1;35m", "\033[0m")
+	colPurpleLight = color("\033[0;35m", "\033[0m")
+	colRed         = color("\033[1;31m", "\033[0m")
+	colYellow      = color("\033[1;33m", "\033[0m")
+	colBlue        = color("\033[1;34m", "\033[0m")
+	colBlueLight   = color("\033[0;34m", "\033[0m")
+	colCyan        = color("\033[1;36m", "\033[0m")
+	colGreen       = color("\033[0;32m", "\033[0m")
 )
 
 // Color returns a function that pads the string with the given color code
-func color(colorString string) func(str string, parameters ...any) string {
-	return func(str string, parameters ...any) string {
-		return fmt.Sprintf(colorString, fmt.Sprintf(str, parameters...))
+func color(code, termination string) func(str string) string {
+	return func(str string) string {
+		return code + str + termination
 	}
 }
 
@@ -54,7 +53,7 @@ func newColorConfig(enable bool) (conf *colorConfig) {
 }
 
 // getColor returns the matching color for the level
-func (l Level) getColor() func(str string, parameters ...any) string {
+func (l Level) getColor() func(str string) string {
 	switch l {
 	case LevelTrace:
 		return colPurpleLight

logger.go

@@ -125,14 +125,17 @@ func (l *Logger) log(level Level, message string, parameters ...any) {
 	var levelName = fmt.Sprintf("%-5s", level)
 
 	// Build the message to print
-	printMessage := fmt.Sprintf(message, parameters...)
+	printMessage := message
+	if len(parameters) > 0 {
+		printMessage = fmt.Sprintf(message, parameters...)
+	}
 	if !l.OnlyPrintMessage {
 		printMessage = "[" + levelName + "] " + time.Now().Local().Format("2006-01-02 15:04:05") +
 			getSourceMessage(file, line, pc, l) + l.Prefix + " - " + printMessage
 	}
 
 	// Build the colored message to print
-	printMessageColored := l.getColored(fmt.Sprintf(message, parameters...), level.getColor())
+	printMessageColored := l.getColored(printMessage, level.getColor())
 	if !l.OnlyPrintMessage {
 		printMessageColored =
 			l.getColored("["+levelName+"] ", level.getColor()) +
@@ -159,7 +162,7 @@ func (l *Logger) log(level Level, message string, parameters ...any) {
 }
 
 // getColored returns a message padded by with a color code if coloring is supported and specified
-func (l *Logger) getColored(message string, color func(str string, parameters ...any) string) string {
+func (l *Logger) getColored(message string, color func(str string) string) string {
 	if l.colorConf.enableColors {
 		return color(message)
 	}