Function NewLogger

polyamide/device/logger.go:36–48

NewLogger constructs a Logger that writes to stdout. It logs at the specified Log level and above. It decorates Log lines with the Log level, date, time, and prepend.

(level int, prepend string)

// It logs at the specified Log level and above.
// It decorates Log lines with the Log level, date, time, and prepend.
func NewLogger(level int, prepend string) *Logger {
	logger := &Logger{DiscardLogf, DiscardLogf}
	logf := func(prefix string) func(string, ...any) {
		return log.New(os.Stdout, prefix+": "+prepend, log.Ldate|log.Ltime).Printf
	}
	if level >= LogLevelVerbose {
		logger.Verbosef = logf("DEBUG")
	}
	if level >= LogLevelError {
		logger.Errorf = logf("ERROR")
	}
	return logger
}