log

Documentation

Index

• Constants
• Variables
• func NewLogger() (*slog.Logger, error)
• func NoopLogger() *slog.Logger
• type Format
  • func (i Format) String() string
  • func (lt *Format) UnmarshalText(data []byte) error
• type Handler
  • func NewLogHandler(h slog.Handler) *Handler
  • func (h *Handler) Handle(ctx context.Context, r slog.Record) error
  • func (h *Handler) WithAttrs(_ []slog.Attr) slog.Handler

Constants

const (
	ArgLevel  = "logger.level"
	ArgFormat = "logger.format"
)

const (
	RequestIDContextKey contextKey = 0
)

Variables

var Noop slog.Handler = noopHandler{}

Noop is a Handler which is always disabled and therefore logs nothing.

Functions

func NewLogger

func NewLogger() (*slog.Logger, error)

func NoopLogger

func NoopLogger() *slog.Logger

NoopLogger returns a new slog.Logger that logs nothing.

Types

type Format

type Format int

Format determines what kind of output is written by the logger.

const (
	FormatText Format = iota
	FormatJSON
)

Common log types.

func (Format) String

func (i Format) String() string

func (*Format) UnmarshalText

func (lt *Format) UnmarshalText(data []byte) error

UnmarshalText implements encoding.TextUnmarshaler.

type Handler

type Handler struct {
	slog.Handler
}

Handler is a struct that embeds slog.Handler to provide additional functionality or customization for handling logs in the application. This Handler enables request ID functionality by adding a request_id to the log records if available in the context.

func NewLogHandler

func NewLogHandler(h slog.Handler) *Handler

func (*Handler) Handle

func (h *Handler) Handle(ctx context.Context, r slog.Record) error

func (*Handler) WithAttrs

func (h *Handler) WithAttrs(_ []slog.Attr) slog.Handler