Method format

logger/handler.go:174–199

format formats a log record and writes it to the buffer.

(r slog.Record, buf *buffer)

// format formats a log record and writes it to the buffer.
func (h *Handler) format(r slog.Record, buf *buffer) {
	groups := h.groups

	// If there are no attributes in the record itself,
	// remove empty groups from the end
	if r.NumAttrs() == 0 {
		for len(groups) > 0 && len(groups[len(groups)-1].attrs) == 0 {
			groups = groups[:len(groups)-1]
		}
	}

	// Format the log record according to the format specified in options
	switch h.config.Format {
	case FormatPretty:
		newFormatterPretty(groups, buf).format(r)
	case FormatJSON:
		newFormatterJSON(groups, buf, false).format(r)
	case FormatGCP:
		newFormatterJSON(groups, buf, true).format(r)
	default:
		newFormatterStructured(groups, buf).format(r)
	}

	// Add line break after each log entry
	buf.append('\n')
}

func (h *Handler) joinErrors(errs []error) error {
	if len(errs) == 0 {