Method Handle

exp/zapslog/handler.go:138–188

Handle handles the Record.

(ctx context.Context, record slog.Record)

// Handle handles the Record.
func (h *Handler) Handle(ctx context.Context, record slog.Record) error {
	ent := zapcore.Entry{
		Level:      convertSlogLevel(record.Level),
		Time:       record.Time,
		Message:    record.Message,
		LoggerName: h.name,
	}
	ce := h.core.Check(ent, nil)
	if ce == nil {
		return nil
	}

	if h.addCaller && record.PC != 0 {
		frame, _ := runtime.CallersFrames([]uintptr{record.PC}).Next()
		if frame.PC != 0 {
			ce.Caller = zapcore.EntryCaller{
				Defined:  true,
				PC:       frame.PC,
				File:     frame.File,
				Line:     frame.Line,
				Function: frame.Function,
			}
		}
	}

	if record.Level >= h.addStackAt {
		// Skipping 3:
		// zapslog/handler log/slog.(*Logger).log
		// slog/logger log/slog.(*Logger).log
		// slog/logger log/slog.(*Logger).<level>
		ce.Stack = stacktrace.Take(3 + h.callerSkip)
	}

	fields := make([]zapcore.Field, 0, record.NumAttrs()+len(h.groups))

	var addedNamespace bool
	record.Attrs(func(attr slog.Attr) bool {
		f := convertAttrToField(attr)
		if !addedNamespace && len(h.groups) > 0 && f != zap.Skip() {
			// Namespaces are added only if at least one field is present
			// to avoid creating empty groups.
			fields = h.appendGroups(fields)
			addedNamespace = true
		}
		fields = append(fields, f)
		return true
	})

	ce.Write(fields...)
	return nil
}

func (h *Handler) appendGroups(fields []zapcore.Field) []zapcore.Field {
	for _, g := range h.groups {