fix(stream): handle invalid JSON escape sequences in MessageStream (#996)

xodn348 · xodn348 · commit a4d9d5775ad8 · 2026-04-16T21:32:08.000-05:00
diff --git a/src/lib/MessageStream.ts b/src/lib/MessageStream.ts
@@ -637,7 +637,11 @@ export class MessageStream<ParsedT = null> implements AsyncIterable<MessageStrea
               });
 
               if (jsonBuf) {
-                newContent.input = partialParse(jsonBuf);
+                try {
+                  newContent.input = partialParse(jsonBuf);
+                } catch {
+                  // invalid escape sequences (e.g. \d, \p, \s) — skip this delta, stream continues
+                }
               }
               snapshot.content[event.index] = newContent;
             }

Original file line number	Diff line number	Diff line change
`@@ -637,7 +637,11 @@ export class MessageStream<ParsedT = null> implements AsyncIterable<MessageStrea`
`637`	`637`	`});`
`638`	`638`
`639`	`639`	`if (jsonBuf) {`
`640`		`- newContent.input = partialParse(jsonBuf);`
	`640`	`+ try {`
	`641`	`+ newContent.input = partialParse(jsonBuf);`
	`642`	`+ } catch {`
	`643`	`+ // invalid escape sequences (e.g. \d, \p, \s) — skip this delta, stream continues`
	`644`	`+ }`
`641`	`645`	`}`
`642`	`646`	`snapshot.content[event.index] = newContent;`
`643`	`647`	`}`