@wordpress/interactivity/build-module/init.js

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

// packages/interactivity/src/init.ts
import { hydrate } from "preact";
import { toVdom, hydratedIslands } from "./vdom";
import { createRootFragment, splitTask } from "./utils";
var regionRootFragments = /* @__PURE__ */ new WeakMap();
var getRegionRootFragment = (regions) => {
  const region = Array.isArray(regions) ? regions[0] : regions;
  if (!region.parentElement) {
    throw Error("The passed region should be an element with a parent.");
  }
  if (!regionRootFragments.has(region)) {
    regionRootFragments.set(
      region,
      createRootFragment(region.parentElement, regions)
    );
  }
  return regionRootFragments.get(region);
};
var initialVdom = /* @__PURE__ */ new WeakMap();
var init = async () => {
  const nodes = document.querySelectorAll(`[data-wp-interactive]`);
  await new Promise((resolve) => {
    setTimeout(resolve, 0);
  });
  for (const node of nodes) {
    if (!hydratedIslands.has(node)) {
      await splitTask();
      const fragment = getRegionRootFragment(node);
      const vdom = toVdom(node);
      initialVdom.set(node, vdom);
      await splitTask();
      hydrate(vdom, fragment);
    }
  }
};
export {
  getRegionRootFragment,
  init,
  initialVdom
};
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