Convert content only if it has been modified

AdguardTeam · Mar 21, 2024 · 328e90b · 328e90b
1 parent 889ef7e
commit 328e90b
Showing 1 changed file with 24 additions and 25 deletions.
diff --git a/src/scriptlets/json-prune-xhr-response.ts b/src/scriptlets/json-prune-xhr-response.ts
@@ -246,37 +246,36 @@ export function jsonPruneXhrResponse(
                                 nativeStringify,
                             },
                         );
+                        // Convert content to appropriate response type, only if it has been modified
+                        try {
+                            const { responseType } = thisArg;
+                            switch (responseType) {
+                                case '':
+                                case 'text':
+                                    modifiedContent = nativeStringify(modifiedContent);
+                                    break;
+                                case 'arraybuffer':
+                                    modifiedContent = new TextEncoder()
+                                        .encode(nativeStringify(modifiedContent))
+                                        .buffer;
+                                    break;
+                                case 'blob':
+                                    modifiedContent = new Blob([nativeStringify(modifiedContent)]);
+                                    break;
+                                default:
+                                    break;
+                            }
+                        } catch (error) {
+                            const message = `Response body cannot be converted to reponse type: '${content}'`;
+                            logMessage(source, message);
+                            modifiedContent = content;
+                        }
                     }
                 } catch (error) {
                     const message = `Response body cannot be converted to json: '${content}'`;
                     logMessage(source, message);
                     modifiedContent = content;
                 }
-
-                // Convert content to appropriate response type
-                try {
-                    const { responseType } = thisArg;
-                    switch (responseType) {
-                        case '':
-                        case 'text':
-                            modifiedContent = nativeStringify(modifiedContent);
-                            break;
-                        case 'arraybuffer':
-                            modifiedContent = new TextEncoder()
-                                .encode(nativeStringify(modifiedContent))
-                                .buffer;
-                            break;
-                        case 'blob':
-                            modifiedContent = new Blob([nativeStringify(modifiedContent)]);
-                            break;
-                        default:
-                            break;
-                    }
-                } catch (error) {
-                    const message = `Response body cannot be converted to reponse type: '${content}'`;
-                    logMessage(source, message);
-                    modifiedContent = content;
-                }
             }
 
             // Manually put required values into target XHR object