log

type Config struct {
	Level string

	// Encoding sets the logger's encoding. Valid values are "json" and
	// "console", as well as any third-party encodings registered via
	// RegisterEncoder.
	Encoding string

	// DisableCaller configures the Logger to annotate each message with the filename
	// and line number of zap's caller, or not
	DisableCaller bool

	// OutputPaths is a list of URLs or file paths to write logging output to.
	// See Open for details.
	OutputPaths []string

	// ErrorOutputPaths is a list of URLs to write internal logger errors to.
	// The default is standard error.
	//
	// Note that this setting only affects internal errors; for sample code that
	// sends error-level logs to a different location from info- and debug-level
	// logs, see the package-level AdvancedConfiguration example.
	ErrorOutputPaths []string
}

type Field = zap.Field

type Level = zapcore.Level

type Logger interface {
	Named(s string) Logger
	With(fields ...Field) Logger

	Debug(msg string, fields ...Field)
	Info(msg string, fields ...Field)
	Warn(msg string, fields ...Field)
	Error(msg string, fields ...Field)

	Clone() Logger
	Level() string
	IsDebug() bool
	Sync()

	SugaredLogger() SugaredLogger
	CoreLogger() *zap.Logger
}

type SugaredLogger interface {
	Named(name string) SugaredLogger
	With(args ...interface{}) SugaredLogger

	Debug(args ...interface{})
	Info(args ...interface{})
	Warn(args ...interface{})
	Error(args ...interface{})
	Panic(args ...interface{})
	Fatal(args ...interface{})

	Debugf(format string, args ...interface{})
	Infof(format string, args ...interface{})
	Warnf(format string, args ...interface{})
	Errorf(format string, args ...interface{})
	Panicf(format string, args ...interface{})
	Fatalf(format string, args ...interface{})

	Sync()
}