core[patch]: Parse text delta content fields in StringOutputParser (#…

…6251)
langchain-ai · Jul 29, 2024 · 4f4af3f · 4f4af3f
1 parent e09b66f
commit 4f4af3f
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/langchain-core/src/output_parsers/string.ts b/langchain-core/src/output_parsers/string.ts
@@ -63,6 +63,7 @@ export class StringOutputParser extends BaseTransformOutputParser<string> {
   ): string {
     switch (content.type) {
       case "text":
+      case "text_delta":
         if ("text" in content) {
           // Type guard for MessageContentText
           return this._textContentToString(content as MessageContentText);