@gechiui/block-editor/build-module/components/writing-flow/use-select-all.js

Generic block editor.

/**
 * External dependencies
 */
import { first, last } from 'lodash';
/**
 * GeChiUI dependencies
 */

import { isEntirelySelected } from '@gechiui/dom';
import { useSelect, useDispatch } from '@gechiui/data';
import { __unstableUseShortcutEventMatch as useShortcutEventMatch } from '@gechiui/keyboard-shortcuts';
import { useRefEffect } from '@gechiui/compose';
/**
 * Internal dependencies
 */

import { store as blockEditorStore } from '../../store';
export default function useSelectAll() {
  const {
    getBlockOrder,
    getSelectedBlockClientIds,
    getBlockRootClientId
  } = useSelect(blockEditorStore);
  const {
    multiSelect
  } = useDispatch(blockEditorStore);
  const isMatch = useShortcutEventMatch();
  return useRefEffect(node => {
    function onKeyDown(event) {
      if (!isMatch('core/block-editor/select-all', event)) {
        return;
      }

      if (!isEntirelySelected(event.target)) {
        return;
      }

      const selectedClientIds = getSelectedBlockClientIds();
      const [firstSelectedClientId] = selectedClientIds;
      const rootClientId = getBlockRootClientId(firstSelectedClientId);
      let blockClientIds = getBlockOrder(rootClientId); // If we have selected all sibling nested blocks, try selecting up a
      // level. See: https://github.com/GeChiUI/gutenberg/pull/31859/

      if (selectedClientIds.length === blockClientIds.length) {
        blockClientIds = getBlockOrder(getBlockRootClientId(rootClientId));
      }

      const firstClientId = first(blockClientIds);
      const lastClientId = last(blockClientIds);

      if (firstClientId === lastClientId) {
        return;
      }

      multiSelect(firstClientId, lastClientId);
      event.preventDefault();
    }

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