fermentord/vendor/github.com/spf13/viper/logger.go

68 lines
1.6 KiB
Go

package viper
import (
"context"
slog "github.com/sagikazarmark/slog-shim"
)
// Logger is a unified interface for various logging use cases and practices, including:
// - leveled logging
// - structured logging
//
// Deprecated: use `log/slog` instead.
type Logger interface {
// Trace logs a Trace event.
//
// Even more fine-grained information than Debug events.
// Loggers not supporting this level should fall back to Debug.
Trace(msg string, keyvals ...any)
// Debug logs a Debug event.
//
// A verbose series of information events.
// They are useful when debugging the system.
Debug(msg string, keyvals ...any)
// Info logs an Info event.
//
// General information about what's happening inside the system.
Info(msg string, keyvals ...any)
// Warn logs a Warn(ing) event.
//
// Non-critical events that should be looked at.
Warn(msg string, keyvals ...any)
// Error logs an Error event.
//
// Critical events that require immediate attention.
// Loggers commonly provide Fatal and Panic levels above Error level,
// but exiting and panicking is out of scope for a logging library.
Error(msg string, keyvals ...any)
}
// WithLogger sets a custom logger.
func WithLogger(l *slog.Logger) Option {
return optionFunc(func(v *Viper) {
v.logger = l
})
}
type discardHandler struct{}
func (n *discardHandler) Enabled(_ context.Context, _ slog.Level) bool {
return false
}
func (n *discardHandler) Handle(_ context.Context, _ slog.Record) error {
return nil
}
func (n *discardHandler) WithAttrs(_ []slog.Attr) slog.Handler {
return n
}
func (n *discardHandler) WithGroup(_ string) slog.Handler {
return n
}