Migrate utils to ts

app/src/utils/fileHelpers.ts

@@ -0,0 +1,10 @@
+import { IMAGE_EXTENSIONS } from '../types/file';
+
+/**
+ * Checks if the given file path has an image extension.
+ * @param filePath - The file path to check.
+ * @returns True if the file path has an image extension, false otherwise.
+ */
+export const isImageFile = (filePath: string): boolean => {
+  return IMAGE_EXTENSIONS.some((ext) => filePath.toLowerCase().endsWith(ext));
+};