@wordpress/block-editor/build/components/block-selection-clearer/index.js

Generic block editor.

"use strict";

var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");

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

var _element = require("@wordpress/element");

var _extends2 = _interopRequireDefault(require("@babel/runtime/helpers/extends"));

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

var _compose = require("@wordpress/compose");

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

/**
 * WordPress dependencies
 */

/**
 * Internal dependencies
 */
function useBlockSelectionClearer(onlySelfClicks = false) {
  const {
    hasSelectedBlock,
    hasMultiSelection
  } = (0, _data.useSelect)(_store.store);
  const {
    clearSelectedBlock
  } = (0, _data.useDispatch)(_store.store);
  return (0, _compose.useRefEffect)(node => {
    function onMouseDown(event) {
      if (!hasSelectedBlock() && !hasMultiSelection()) {
        return;
      } // Only handle clicks on the canvas, not the content.


      if (event.target.closest('.wp-block') || onlySelfClicks && event.target !== node) {
        return;
      }

      clearSelectedBlock();
    }

    node.addEventListener('mousedown', onMouseDown);
    return () => {
      node.removeEventListener('mousedown', onMouseDown);
    };
  }, [hasSelectedBlock, hasMultiSelection, clearSelectedBlock]);
}

function BlockSelectionClearer(props) {
  return (0, _element.createElement)("div", (0, _extends2.default)({
    ref: useBlockSelectionClearer()
  }, props));
}
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