pref: optimize the diff to make it more accurately reflect changes (#11)

* pref: optimize the diff to make it more accurately reflect changes

* pref: optimize the diff page selection

app/.client/utils/prettier.ts

@@ -50,3 +50,7 @@ export function getParser(filePath: string): BuiltInParserName | undefined {
       return undefined;
   }
 }
+
+export function normalizeContent(content?: string) {
+  return content?.replace(/\r\n/g, '\n').trim();
+}