Document new behavior

Signed-off-by: Andrew Haines <andrew@haines.org.nz>
bufbuild · Oct 13, 2023 · c302eb6 · c302eb6
1 parent 7f6e32c
commit c302eb6
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/packages/protobuf/src/to-plain-message.ts b/packages/protobuf/src/to-plain-message.ts
@@ -18,10 +18,13 @@ import { Message } from "./message.js";
 import type { AnyMessage, PlainMessage } from "./message.js";
 
 /**
- * toPlainMessage returns a new object by striping
+ * toPlainMessage returns a new object by stripping
  * all methods from a message, leaving only fields and
  * oneof groups. It is recursive, meaning it applies this
  * same logic to all nested message fields as well.
+ *
+ * If the argument is already a plain message, it is
+ * returned as-is.
  */
 export function toPlainMessage<T extends Message<T>>(
   message: T | PlainMessage<T>,