@wordpress/block-editor/build/components/convert-to-group-buttons/use-convert-to-group-button-props.js

Generic block editor.

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = useConvertToGroupButtonProps;

var _blocks = require("@wordpress/blocks");

var _data = require("@wordpress/data");

var _store = require("../../store");

/**
 * WordPress dependencies
 */

/**
 * Internal dependencies
 */

/**
 * Contains the properties `ConvertToGroupButton` component needs.
 *
 * @typedef {Object} ConvertToGroupButtonProps
 * @property {string[]} clientIds  An array of the selected client ids.
 * @property {boolean} isGroupable Indicates if the selected blocks can be grouped.
 * @property {boolean} isUngroupable Indicates if the selected blocks can be ungrouped.
 * @property {WPBlock[]} blocksSelection An array of the selected blocks.
 * @property {string} groupingBlockName The name of block used for handling grouping interactions.
 */

/**
 * Returns the properties `ConvertToGroupButton` component needs to work properly.
 * It is used in `BlockSettingsMenuControls` to know if `ConvertToGroupButton`
 * should be rendered, to avoid ending up with an empty MenuGroup.
 *
 * @return {ConvertToGroupButtonProps} Returns the properties needed by `ConvertToGroupButton`.
 */
function useConvertToGroupButtonProps() {
  const {
    clientIds,
    isGroupable,
    isUngroupable,
    blocksSelection,
    groupingBlockName
  } = (0, _data.useSelect)(select => {
    var _blocksSelection$;

    const {
      getBlockRootClientId,
      getBlocksByClientId,
      canInsertBlockType,
      getSelectedBlockClientIds
    } = select(_store.store);
    const {
      getGroupingBlockName
    } = select(_blocks.store);

    const _clientIds = getSelectedBlockClientIds();

    const _groupingBlockName = getGroupingBlockName();

    const rootClientId = !!(_clientIds !== null && _clientIds !== void 0 && _clientIds.length) ? getBlockRootClientId(_clientIds[0]) : undefined;
    const groupingBlockAvailable = canInsertBlockType(_groupingBlockName, rootClientId);

    const _blocksSelection = getBlocksByClientId(_clientIds);

    const isSingleGroupingBlock = _blocksSelection.length === 1 && ((_blocksSelection$ = _blocksSelection[0]) === null || _blocksSelection$ === void 0 ? void 0 : _blocksSelection$.name) === _groupingBlockName; // Do we have
    // 1. Grouping block available to be inserted?
    // 2. One or more blocks selected
    // (we allow single Blocks to become groups unless
    // they are a soltiary group block themselves)

    const _isGroupable = groupingBlockAvailable && _blocksSelection.length && !isSingleGroupingBlock; // Do we have a single Group Block selected and does that group have inner blocks?


    const _isUngroupable = isSingleGroupingBlock && !!_blocksSelection[0].innerBlocks.length;

    return {
      clientIds: _clientIds,
      isGroupable: _isGroupable,
      isUngroupable: _isUngroupable,
      blocksSelection: _blocksSelection,
      groupingBlockName: _groupingBlockName
    };
  }, []);
  return {
    clientIds,
    isGroupable,
    isUngroupable,
    blocksSelection,
    groupingBlockName
  };
}
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