custom writer

zlog.go

@@ -71,17 +71,17 @@ var (
 )
 
 var (
-	w   io.Writer
-	log *slog.Logger
+	Writer io.Writer
+	log    *slog.Logger
 )
 
 // New creates a new logger instance and returns it.
 func New() *slog.Logger {
-	if w == nil {
-		w = colorable.NewColorableStdout()
+	if Writer == nil {
+		Writer = colorable.NewColorableStdout()
 	}
 	if log == nil {
-		log = slog.New(&logHandler{sh: slog.NewTextHandler(w, HandlerOptions)})
+		log = slog.New(&logHandler{sh: slog.NewTextHandler(Writer, HandlerOptions)})
 	}
 	return log
 }
@@ -193,7 +193,7 @@ func (h *logHandler) Handle(ctx context.Context, r slog.Record) error {
 		h.write(b, Fmt(a.Key, FmtAttrKey...), Fmt(KeyDelimiter, FmtAttrDelimiter...), Fmt(a.Value.String(), FmtAttrValue...), " ")
 	}
 	h.write(b, "\n")
-	_, err := b.WriteTo(w)
+	_, err := b.WriteTo(Writer)
 	return err
 }
 func (h *logHandler) write(b *bytes.Buffer, args ...string) {

zlog_test.go

@@ -12,14 +12,14 @@ import (
 // This code is modified from https://github.com/golang/go/blob/54f78cf8f1b8deea787803aeff5fb6150d7fac8f/src/log/slog/logger_test.go#L27
 func TestZlog(t *testing.T) {
 	ctx := context.Background()
-	w = &bytes.Buffer{}
+	Writer = &bytes.Buffer{}
 	TimeFormat = "Z"
 
 	l := New()
 
 	check := func(want []byte) {
 		t.Helper()
-		x, ok := w.(*bytes.Buffer)
+		x, ok := Writer.(*bytes.Buffer)
 		if ok {
 			t.Helper()
 			got := x.Bytes()
@@ -106,7 +106,7 @@ func BenchmarkSlog(b *testing.B) {
 // This is a simple benchmark. See the benchmarks subdirectory for more extensive ones.
 // This code is modified from https://github.com/golang/go/blob/54f78cf8f1b8deea787803aeff5fb6150d7fac8f/src/log/slog/logger_test.go#L522
 func BenchmarkZlog(b *testing.B) {
-	w = io.Discard
+	Writer = io.Discard
 	ctx := context.Background()
 	l := New()
 	b.Run("no attrs", func(b *testing.B) {