loglayer

package module

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Versions in this module

v1

v1.7.0

May 2, 2026

Changes in this version

type BeforeDataOutParams

+ Prefix string

type BeforeMessageOutParams

+ Prefix string

type ShouldSendParams

+ Prefix string

type TransformLogLevelParams

+ Prefix string

type TransportParams

+ Prefix string

v1.6.2

May 1, 2026

v1.6.1

Apr 30, 2026

v1.6.0

Apr 30, 2026

Changes in this version

type BeforeDataOutParams

+ Schema Schema

type BeforeMessageOutParams

+ Schema Schema

type Config

+ MetadataFieldName string

+ type Schema struct

+ ErrorFieldName string

+ FieldsKey string

+ MetadataFieldName string

+ SourceFieldName string

type ShouldSendParams

+ Schema Schema

type TransformLogLevelParams

+ Schema Schema

type TransportParams

+ Schema Schema

v1.5.0

Apr 30, 2026

Changes in this version

type BeforeDataOutParams

+ Groups []string

type BeforeMessageOutParams

+ Groups []string

type ShouldSendParams

+ Groups []string

type TransformLogLevelParams

+ Groups []string

type TransportParams

+ Groups []string

v1.4.0

Apr 30, 2026

Changes in this version

+ const LazyEvalError

+ type LazyValue struct

+ func Lazy(fn func() any) *LazyValue

v1.3.0

Apr 29, 2026

v1.2.0

Apr 29, 2026

v1.1.1

Apr 29, 2026

v1.1.0

Apr 29, 2026

v1.0.2

Apr 29, 2026

v1.0.1

Apr 29, 2026

v1.0.0

Apr 29, 2026

Changes in this version

+ const PanicKindPlugin

+ const PanicKindTransport

+ var ErrNoTransport = errors.New("loglayer: at least one transport must be provided")

+ var ErrTransportAndTransports = errors.New("loglayer: set Transport or Transports, not both")

+ var ErrUngroupedTransportsWithoutMode = errors.New("loglayer: UngroupedRouting.Transports set without UngroupedToTransports mode")

+ func ActiveGroupsFromEnv(name string) []string

+ func NewContext(parent context.Context, log *LogLayer) context.Context

+ func UnwrappingErrorSerializer(err error) map[string]any

+ type BeforeDataOutParams struct

+ Ctx context.Context

+ Data Data

+ Err error

+ Fields Fields

+ LogLevel LogLevel

+ Metadata any

+ type BeforeMessageOutParams struct

+ Ctx context.Context

+ LogLevel LogLevel

+ Messages []any

+ type Config struct

+ CopyMsgOnOnlyError bool

+ DisableFatalExit bool

+ Disabled bool

+ ErrorFieldName string

+ ErrorSerializer ErrorSerializer

+ FieldsKey string

+ MuteFields bool

+ MuteMetadata bool

+ OnTransportPanic func(err *RecoveredPanicError)

+ Plugins []Plugin

+ Prefix string

+ Routing RoutingConfig

+ Source SourceConfig

+ Transport Transport

+ TransportCloseTimeout time.Duration

+ Transports []Transport

+ type CopyMsgPolicy uint8

+ const CopyMsgDefault

+ const CopyMsgDisabled

+ const CopyMsgEnabled

+ type Data map[string]any

+ type DataHook interface

+ OnBeforeDataOut func(BeforeDataOutParams) Data

+ type ErrorOnlyOpts struct

+ CopyMsg CopyMsgPolicy

+ LogLevel LogLevel

+ type ErrorReporter interface

+ OnError func(err error)

+ type ErrorSerializer func(err error) map[string]any

+ type F = Fields

+ type Fields map[string]any

+ type FieldsHook interface

+ OnFieldsCalled func(fields Fields) Fields

+ type LevelHook interface

+ TransformLogLevel func(TransformLogLevelParams) (LogLevel, bool)

+ type LogBuilder struct

+ func (b *LogBuilder) Debug(messages ...any)

+ func (b *LogBuilder) Error(messages ...any)

+ func (b *LogBuilder) Fatal(messages ...any)

+ func (b *LogBuilder) Info(messages ...any)

+ func (b *LogBuilder) Panic(messages ...any)

+ func (b *LogBuilder) Trace(messages ...any)

+ func (b *LogBuilder) Warn(messages ...any)

+ func (b *LogBuilder) WithContext(ctx context.Context) *LogBuilder

+ func (b *LogBuilder) WithError(err error) *LogBuilder

+ func (b *LogBuilder) WithGroup(groups ...string) *LogBuilder

+ func (b *LogBuilder) WithMetadata(v any) *LogBuilder

+ type LogGroup struct

+ Disabled bool

+ Level LogLevel

+ Transports []string

+ type LogLayer struct

+ func Build(config Config) (*LogLayer, error)

+ func FromContext(ctx context.Context) *LogLayer

+ func MustFromContext(ctx context.Context) *LogLayer

+ func New(config Config) *LogLayer

+ func NewMock() *LogLayer

+ func (l *LogLayer) AddGroup(name string, group LogGroup) *LogLayer

+ func (l *LogLayer) AddPlugin(plugins ...Plugin) *LogLayer

+ func (l *LogLayer) AddTransport(transports ...Transport) *LogLayer

+ func (l *LogLayer) Child() *LogLayer

+ func (l *LogLayer) ClearActiveGroups() *LogLayer

+ func (l *LogLayer) Debug(messages ...any)

+ func (l *LogLayer) DisableGroup(name string) *LogLayer

+ func (l *LogLayer) DisableLevel(level LogLevel) *LogLayer

+ func (l *LogLayer) DisableLogging() *LogLayer

+ func (l *LogLayer) EnableGroup(name string) *LogLayer

+ func (l *LogLayer) EnableLevel(level LogLevel) *LogLayer

+ func (l *LogLayer) EnableLogging() *LogLayer

+ func (l *LogLayer) Error(messages ...any)

+ func (l *LogLayer) ErrorOnly(err error, opts ...ErrorOnlyOpts)

+ func (l *LogLayer) Fatal(messages ...any)

+ func (l *LogLayer) GetFields() Fields

+ func (l *LogLayer) GetGroups() map[string]LogGroup

+ func (l *LogLayer) GetLoggerInstance(id string) any

+ func (l *LogLayer) GetPlugin(id string) (Plugin, bool)

+ func (l *LogLayer) Info(messages ...any)

+ func (l *LogLayer) IsLevelEnabled(level LogLevel) bool

+ func (l *LogLayer) MetadataOnly(v any, opts ...MetadataOnlyOpts)

+ func (l *LogLayer) MuteFields() *LogLayer

+ func (l *LogLayer) MuteMetadata() *LogLayer

+ func (l *LogLayer) NewLogLogger(level LogLevel) *log.Logger

+ func (l *LogLayer) Panic(messages ...any)

+ func (l *LogLayer) PluginCount() int

+ func (l *LogLayer) Raw(entry RawLogEntry)

+ func (l *LogLayer) RemoveGroup(name string) bool

+ func (l *LogLayer) RemovePlugin(id string) bool

+ func (l *LogLayer) RemoveTransport(id string) bool

+ func (l *LogLayer) SetActiveGroups(first string, more ...string) *LogLayer

+ func (l *LogLayer) SetGroupLevel(name string, level LogLevel) *LogLayer

+ func (l *LogLayer) SetLevel(level LogLevel) *LogLayer

+ func (l *LogLayer) SetTransports(transports ...Transport) *LogLayer

+ func (l *LogLayer) Trace(messages ...any)

+ func (l *LogLayer) UnmuteFields() *LogLayer

+ func (l *LogLayer) UnmuteMetadata() *LogLayer

+ func (l *LogLayer) Warn(messages ...any)

+ func (l *LogLayer) WithContext(ctx context.Context) *LogLayer

+ func (l *LogLayer) WithError(err error) *LogBuilder

+ func (l *LogLayer) WithFields(f Fields) *LogLayer

+ func (l *LogLayer) WithGroup(groups ...string) *LogLayer

+ func (l *LogLayer) WithMetadata(v any) *LogBuilder

+ func (l *LogLayer) WithPrefix(prefix string) *LogLayer

+ func (l *LogLayer) WithoutFields(keys ...string) *LogLayer

+ func (l *LogLayer) Writer(level LogLevel) io.Writer

+ type LogLevel int

+ const LogLevelDebug

+ const LogLevelError

+ const LogLevelFatal

+ const LogLevelInfo

+ const LogLevelPanic

+ const LogLevelTrace

+ const LogLevelWarn

+ func ParseLogLevel(s string) (LogLevel, bool)

+ func (l LogLevel) String() string

+ type M = Metadata

+ type MessageHook interface

+ OnBeforeMessageOut func(BeforeMessageOutParams) []any

+ type Metadata map[string]any

+ type MetadataHook interface

+ OnMetadataCalled func(metadata any) any

+ type MetadataOnlyOpts struct

+ LogLevel LogLevel

+ type Plugin interface

+ ID func() string

+ func NewDataHook(id string, fn func(BeforeDataOutParams) Data) Plugin

+ func NewFieldsHook(id string, fn func(Fields) Fields) Plugin

+ func NewLevelHook(id string, fn func(TransformLogLevelParams) (LogLevel, bool)) Plugin

+ func NewMessageHook(id string, fn func(BeforeMessageOutParams) []any) Plugin

+ func NewMetadataHook(id string, fn func(any) any) Plugin

+ func NewPlugin(id string) Plugin

+ func NewSendGate(id string, fn func(ShouldSendParams) bool) Plugin

+ func WithErrorReporter(p Plugin, onError func(error)) Plugin

+ type PluginPanicDetails struct

+ Hook string

+ type RawLogEntry struct

+ Ctx context.Context

+ Err error

+ Fields Fields

+ Groups []string

+ LogLevel LogLevel

+ Messages []any

+ Metadata any

+ Source *Source

+ type RecoveredPanicError struct

+ ID string

+ Kind string

+ Plugin *PluginPanicDetails

+ Value any

+ func (e *RecoveredPanicError) Error() string

+ func (e *RecoveredPanicError) Unwrap() error

+ type RoutingConfig struct

+ ActiveGroups []string

+ Groups map[string]LogGroup

+ Ungrouped UngroupedRouting

+ type SendGate interface

+ ShouldSend func(ShouldSendParams) bool

+ type ShouldSendParams struct

+ Ctx context.Context

+ Data Data

+ Err error

+ Fields Fields

+ LogLevel LogLevel

+ Messages []any

+ Metadata any

+ TransportID string

+ type Source struct

+ File string

+ Function string

+ Line int

+ func SourceFromPC(pc uintptr) *Source

+ func (s *Source) LogValue() slog.Value

+ func (s *Source) String() string

+ type SourceConfig struct

+ Enabled bool

+ FieldName string

+ type TransformLogLevelParams struct

+ Ctx context.Context

+ Data Data

+ Err error

+ Fields Fields

+ LogLevel LogLevel

+ Messages []any

+ Metadata any

+ type Transport interface

+ GetLoggerInstance func() any

+ ID func() string

+ IsEnabled func() bool

+ SendToLogger func(params TransportParams)

+ type TransportParams struct

+ Ctx context.Context

+ Data Data

+ Err error

+ Fields Fields

+ LogLevel LogLevel

+ Messages []any

+ Metadata any

+ type UngroupedMode uint8

+ const UngroupedToAll

+ const UngroupedToNone

+ const UngroupedToTransports

+ type UngroupedRouting struct

+ Mode UngroupedMode

+ Transports []string

Other modules containing this package

go.loglayer.dev/v2

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