@gechiui/block-editor/build-module/components/rich-text/use-undo-automatic-change.js

Generic block editor.

/**
 * GeChiUI dependencies
 */
import { useSelect } from '@gechiui/data';
import { useRefEffect } from '@gechiui/compose';
import { BACKSPACE, DELETE, ESCAPE } from '@gechiui/keycodes';
/**
 * Internal dependencies
 */

import { store as blockEditorStore } from '../../store';
export function useUndoAutomaticChange() {
  const {
    didAutomaticChange,
    getSettings
  } = useSelect(blockEditorStore);
  return useRefEffect(element => {
    function onKeyDown(event) {
      const {
        keyCode
      } = event;

      if (event.defaultPrevented) {
        return;
      }

      if (keyCode !== DELETE && keyCode !== BACKSPACE && keyCode !== ESCAPE) {
        return;
      }

      if (!didAutomaticChange()) {
        return;
      }

      event.preventDefault();

      getSettings().__experimentalUndo();
    }

    element.addEventListener('keydown', onKeyDown);
    return () => {
      element.removeEventListener('keydown', onKeyDown);
    };
  }, []);
}
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