@wordpress/block-editor/build/components/list-view/use-list-view-expand-selected-item.js

Generic block editor.

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = useListViewExpandSelectedItem;
var _element = require("@wordpress/element");
var _data = require("@wordpress/data");
var _store = require("../../store");
/**
 * WordPress dependencies
 */

/**
 * Internal dependencies
 */

function useListViewExpandSelectedItem({
  firstSelectedBlockClientId,
  setExpandedState
}) {
  const [selectedTreeId, setSelectedTreeId] = (0, _element.useState)(null);
  const {
    selectedBlockParentClientIds
  } = (0, _data.useSelect)(select => {
    const {
      getBlockParents
    } = select(_store.store);
    return {
      selectedBlockParentClientIds: getBlockParents(firstSelectedBlockClientId, false)
    };
  }, [firstSelectedBlockClientId]);

  // Expand tree when a block is selected.
  (0, _element.useEffect)(() => {
    // If the selectedTreeId is the same as the selected block,
    // it means that the block was selected using the block list tree.
    if (selectedTreeId === firstSelectedBlockClientId) {
      return;
    }

    // If the selected block has parents, get the top-level parent.
    if (selectedBlockParentClientIds?.length) {
      // If the selected block has parents,
      // expand the tree branch.
      setExpandedState({
        type: 'expand',
        clientIds: selectedBlockParentClientIds
      });
    }
  }, [firstSelectedBlockClientId, selectedBlockParentClientIds, selectedTreeId, setExpandedState]);
  return {
    setSelectedTreeId
  };
}
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