Function useFileState

frontend/src/components/chat/chat-utils.ts:193–219

()

}

export function useFileState() {
  const [files, setFiles] = useState<File[]>([]);

  const addFiles = useEvent((newFiles: File[]) => {
    if (newFiles.length === 0) {
      return;
    }

    const totalSize = newFiles.reduce((size, file) => size + file.size, 0);
    if (totalSize > MAX_ATTACHMENT_SIZE) {
      toast({
        title: "File size exceeded",
        description: "Attachments must be under 50 MB",
        variant: "danger",
      });
      return;
    }

    setFiles((prev) => [...prev, ...newFiles]);
  });

  const clearFiles = () => setFiles([]);
  const removeFile = (fileToRemove: File) =>
    setFiles((prev) => prev.filter((f) => f !== fileToRemove));

  return { files, addFiles, clearFiles, removeFile };
}