fix(retry-plugin): add autoParseResponse to auto-select JSON or text based on file extension

.changeset/thirty-cooks-dream.md

@@ -0,0 +1,5 @@
+---
+'@module-federation/retry-plugin': patch
+---
+
+fix(retry-plugin): add autoParseResponse to auto-select JSON or text based on file extension

packages/retry-plugin/src/fetch-retry.ts

@@ -9,6 +9,18 @@ import {
 import logger from './logger';
 import { getRetryUrl, combineUrlDomainWithPathQuery } from './utils';
 
+function autoParseResponse(url: string, response: Response) {
+  try {
+    const parsed = new URL(url);
+    if (parsed.pathname.endsWith('.js')) {
+      return response.text();
+    }
+    return response.json();
+  } catch (error) {
+    return response.json();
+  }
+}
+
 async function fetchRetry(
   params: FetchRetryOptions,
   lastRequestUrl?: string,
@@ -63,7 +75,7 @@ async function fetchRetry(
         `${PLUGIN_IDENTIFIER}: Request failed: ${response.status} ${response.statusText || ''} | url: ${requestUrl}`,
       );
     }
-    await responseClone.json().catch((error) => {
+    await autoParseResponse(requestUrl, responseClone).catch((error) => {
       throw new Error(
         `${PLUGIN_IDENTIFIER}: JSON parse failed: ${(error as Error)?.message || String(error)} | url: ${requestUrl}`,
       );