Format XML responses

src-web/components/ResponsePane.tsx

@@ -174,8 +174,6 @@ export const ResponsePane = memo(function ResponsePane({ style, className, activ
                 ) : contentType?.match(/csv|tab-separated/) ? (
                   <CsvViewer className="pb-2" response={activeResponse} />
                 ) : (
-                  // ) : contentType?.startsWith('application/json') ? (
-                  //   <JsonViewer response={activeResponse} />
                   <TextViewer response={activeResponse} pretty={viewMode === 'pretty'} />
                 )}
               </TabContent>

src-web/components/responseViewers/TextViewer.tsx

@@ -6,7 +6,7 @@ import { useFilterResponse } from '../../hooks/useFilterResponse';
 import { useResponseBodyText } from '../../hooks/useResponseBodyText';
 import { useResponseContentType } from '../../hooks/useResponseContentType';
 import { useToggle } from '../../hooks/useToggle';
-import { tryFormatJson } from '../../lib/formatters';
+import { tryFormatJson, tryFormatXml } from '../../lib/formatters';
 import type { HttpResponse } from '../../lib/models';
 import { Editor } from '../core/Editor';
 import { IconButton } from '../core/IconButton';
@@ -23,7 +23,12 @@ export function TextViewer({ response, pretty }: Props) {
 
   const contentType = useResponseContentType(response);
   const rawBody = useResponseBodyText(response) ?? '';
-  const formattedBody = pretty && contentType?.includes('json') ? tryFormatJson(rawBody) : rawBody;
+  const formattedBody =
+    pretty && contentType?.includes('json')
+      ? tryFormatJson(rawBody)
+      : pretty && contentType?.includes('xml')
+      ? tryFormatXml(rawBody)
+      : rawBody;
   const filteredResponse = useFilterResponse({ filter: filterText, responseId: response.id });
 
   const body = filteredResponse ?? formattedBody;

src-web/lib/formatters.ts

@@ -1,3 +1,5 @@
+import xmlFormat from 'xml-formatter';
+
 export function tryFormatJson(text: string, pretty = true): string {
   try {
     if (pretty) return JSON.stringify(JSON.parse(text), null, 2);
@@ -6,3 +8,11 @@ export function tryFormatJson(text: string, pretty = true): string {
     return text;
   }
 }
+
+export function tryFormatXml(text: string): string {
+  try {
+    return xmlFormat(text, { throwOnFailure: true, strictMode: false });
+  } catch (_) {
+    return text;
+  }
+}