vault-frontend/src/hooks/dom/useInputPasteUpload.ts

import { useCallback, useEffect } from 'react';
import { getImageFromPaste } from '~/utils/uploader';

// useInputPasteUpload attaches event listener to input, that calls onUpload if user pasted any image
export const useInputPasteUpload = (
  input: HTMLTextAreaElement | HTMLInputElement | undefined,
  onUpload: (files: File[]) => void
) => {
  const onPaste = useCallback(
    async event => {
      const image = await getImageFromPaste(event);

      if (!image) return;

      onUpload([image]);
    },
    [onUpload]
  );

  useEffect(() => {
    if (!input) return;

    input.addEventListener('paste', onPaste);

    return () => input.removeEventListener('paste', onPaste);
  }, [input, onPaste]);
};