@wordpress/interactivity/build/init.js

Package that provides a standard and simple way to handle the frontend interactivity of Gutenberg blocks.

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.init = exports.getRegionRootFragment = void 0;
var _preact = require("preact");
var _vdom = require("./vdom");
var _utils = require("./utils");
var _constants = require("./constants");
/**
 * External dependencies
 */

/**
 * Internal dependencies
 */

// Keep the same root fragment for each interactive region node.
const regionRootFragments = new WeakMap();
const getRegionRootFragment = region => {
  if (!regionRootFragments.has(region)) {
    regionRootFragments.set(region, (0, _utils.createRootFragment)(region.parentElement, region));
  }
  return regionRootFragments.get(region);
};

// Initialize the router with the initial DOM.
exports.getRegionRootFragment = getRegionRootFragment;
const init = async () => {
  document.querySelectorAll(`[data-${_constants.directivePrefix}-interactive]`).forEach(node => {
    if (!_vdom.hydratedIslands.has(node)) {
      const fragment = getRegionRootFragment(node);
      const vdom = (0, _vdom.toVdom)(node);
      (0, _preact.hydrate)(vdom, fragment);
    }
  });
};
exports.init = init;
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