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fix: logger coloring — only color label word, not brackets #21

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Merged
vflame6 merged 2 commits into from
Apr 3, 2026
Merged

fix: logger coloring — only color label word, not brackets #21

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5f900e3
fix: logger coloring — only color label word, not brackets
erra9x Apr 3, 2026
447a529
Merge branch 'vflame6:main' into main
erra9x Apr 3, 2026
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35 changes: 24 additions & 11 deletions logger/logger.go
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Original file line number Diff line number Diff line change
Expand Up @@ -10,13 +10,14 @@ import (

// ANSI color codes
const (
ColorReset = "\033[0m"
ColorRed = "\033[31m"
ColorGreen = "\033[32m"
ColorYellow = "\033[33m"
ColorBlue = "\033[34m"
ColorCyan = "\033[36m"
ColorWhite = "\033[37m"
ColorReset = "\033[0m"
ColorRed = "\033[31m"
ColorGreen = "\033[32m"
ColorYellow = "\033[33m"
ColorBlue = "\033[34m"
ColorMagenta = "\033[35m"
ColorCyan = "\033[36m"
ColorWhite = "\033[37m"
)

// Level represents the severity of a log message.
Expand All @@ -40,13 +41,23 @@ var levelPrefixes = map[Level]string{
LevelVerbose: "[VERB]",
}

// levelLabels are the bare label words (without brackets) used for colored output.
var levelLabels = map[Level]string{
LevelFatal: "FATAL",
LevelError: "ERR",
LevelWarning: "WARN",
LevelInfo: "INFO",
LevelDebug: "DEBUG",
LevelVerbose: "VERB",
}

var levelColors = map[Level]string{
LevelFatal: ColorRed,
LevelError: ColorRed,
LevelWarning: ColorYellow,
LevelInfo: ColorGreen,
LevelDebug: ColorCyan,
LevelVerbose: ColorBlue,
LevelInfo: ColorBlue,
LevelDebug: ColorMagenta,
LevelVerbose: ColorCyan,
}

// String returns the string representation of a Level.
Expand Down Expand Up @@ -123,7 +134,9 @@ func (l *Logger) log(level Level, format string, args ...any) {
prefix := level.String()
if !noColor {
if color, ok := levelColors[level]; ok {
prefix = color + prefix + ColorReset
// Color only the label word, not the brackets: [colorLABELreset]
label := levelLabels[level]
prefix = "[" + color + label + ColorReset + "]"
}
}
_, _ = fmt.Fprintf(output, "%s %s\n", prefix, msg)
Expand Down