Convert to Uint8Array to avoid Content-Type override (langchain-ai#1222)

* Convert to Uint8Array to avoid Content-Type override * Fix prettier
zinirun · May 11, 2023 · cae013b · cae013b
1 parent ace3ee7
commit cae013b
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/langchain/src/util/axios-fetch-adapter.js b/langchain/src/util/axios-fetch-adapter.js
@@ -332,6 +332,12 @@ function createRequest(config) {
       headers.delete("Content-Type");
     }
   }
+  // Some `fetch` implementations will override the Content-Type to text/plain
+  // when body is a string.
+  // See https://github.com/hwchase17/langchainjs/issues/1010
+  if (typeof options.body === "string") {
+    options.body = new TextEncoder().encode(options.body);
+  }
   if (config.mode) {
     options.mode = config.mode;
   }