snapshot of https://github.com/ThreeDotsLabs/watermill.git (master, 2026-09-15; blobs > 131072B omitted)

components/forwarder/marshaler.go

@@ -0,0 +1,27 @@
+package forwarder
+
+import "encoding/json"
+
+// Marshaler is used by the Forwarder Publisher to serialize the envelope sent
+// to the forwarder topic, and by the Forwarder consumer to deserialize it.
+//
+// The interface matches the signatures of encoding/json's Marshal and Unmarshal,
+// so any drop-in JSON library (e.g. github.com/bytedance/sonic, github.com/goccy/go-json)
+// can be adapted with a small wrapper.
+//
+// The default is DefaultMarshaler, which uses encoding/json.
+type Marshaler interface {
+	Marshal(v any) ([]byte, error)
+	Unmarshal(data []byte, v any) error
+}
+
+// DefaultMarshaler uses the standard library's encoding/json package.
+type DefaultMarshaler struct{}
+
+func (DefaultMarshaler) Marshal(v any) ([]byte, error) {
+	return json.Marshal(v)
+}
+
+func (DefaultMarshaler) Unmarshal(data []byte, v any) error {
+	return json.Unmarshal(data, v)
+}