func toZapConfig()

in pkg/log/zap_logger.go [49:108]
53 lines of code
7 McCabe index (conditional complexity)

func toZapConfig(c Config) zapcore.Core {
	// level config
	l, ok := zapLevelMap[strings.ToUpper(c.LoggerLevel)]
	if !ok {
		l = zap.DebugLevel
	}
	var levelEnabler zap.LevelEnablerFunc = func(level zapcore.Level) bool {
		return level >= l
	}

	// log format
	format := zapcore.EncoderConfig{
		MessageKey:     "message",
		LevelKey:       "level",
		TimeKey:        "time",
		NameKey:        "logger",
		CallerKey:      "caller",
		StacktraceKey:  "stack",
		LineEnding:     zapcore.DefaultLineEnding,
		EncodeLevel:    zapcore.CapitalLevelEncoder,
		EncodeTime:     zapcore.ISO8601TimeEncoder,
		EncodeDuration: zapcore.StringDurationEncoder,
		EncodeCaller:   zapcore.ShortCallerEncoder,
		EncodeName:     zapcore.FullNameEncoder,
	}
	if c.NoCaller {
		format.CallerKey = ""
	}
	if c.NoLevel {
		format.LevelKey = ""
		levelEnabler = func(_ zapcore.Level) bool { return true }
	}
	if c.NoTime {
		format.TimeKey = ""
	}
	var enc zapcore.Encoder
	if c.LogFormatText {
		enc = zapcore.NewConsoleEncoder(format)
	} else {
		enc = zapcore.NewJSONEncoder(format)
	}

	// log rotate
	var syncer zapcore.WriteSyncer
	if len(c.LoggerFile) > 0 {
		syncer = zapcore.AddSync(&lumberjack.Logger{
			Filename:   c.LoggerFile,
			MaxSize:    c.LogRotateSize,
			MaxBackups: c.LogBackupCount,
			MaxAge:     c.LogBackupAge,
			LocalTime:  true,
			Compress:   true,
		})
	} else {
		syncer = StdoutSyncer
	}

	//zap.NewDevelopment()
	return zapcore.NewCore(enc, syncer, levelEnabler)
}