@wordpress/block-editor/build/hooks/cross-origin-isolation.cjs

Generic block editor.

"use strict";

// packages/block-editor/src/hooks/cross-origin-isolation.js
var import_hooks = require("@wordpress/hooks");
var import_compose = require("@wordpress/compose");
var import_jsx_runtime = require("react/jsx-runtime");
function addCrossOriginAttributes(el) {
  if (!el.hasAttribute("crossorigin")) {
    el.setAttribute("crossorigin", "anonymous");
  }
  if (el.nodeName === "IFRAME" && !el.hasAttribute("credentialless")) {
    if (el.getAttribute("src")?.startsWith("blob:")) {
      return;
    }
    el.setAttribute("credentialless", "");
    const origSrc = el.getAttribute("src") || "";
    el.setAttribute("src", "");
    el.setAttribute("src", origSrc);
  }
}
if (window.crossOriginIsolated) {
  const observer = new window.MutationObserver((mutations) => {
    mutations.forEach((mutation) => {
      [mutation.addedNodes, mutation.target].forEach((value) => {
        const nodes = value instanceof window.NodeList ? value : [value];
        nodes.forEach((node) => {
          const el = node;
          if (!el.querySelectorAll) {
            return;
          }
          el.querySelectorAll(
            "img,source,script,video,link,iframe"
          ).forEach((v) => {
            addCrossOriginAttributes(v);
          });
          if (el.nodeName === "IFRAME") {
            const iframeNode = el;
            const isEmbedSandboxIframe = iframeNode.classList.contains(
              "components-sandbox"
            );
            if (!isEmbedSandboxIframe) {
              iframeNode.addEventListener("load", () => {
                if (iframeNode.contentDocument) {
                  observer.observe(
                    iframeNode.contentDocument,
                    {
                      childList: true,
                      attributes: true,
                      subtree: true
                    }
                  );
                }
              });
            }
          }
          if ([
            "IMG",
            "SOURCE",
            "SCRIPT",
            "VIDEO",
            "LINK",
            "IFRAME"
          ].includes(el.nodeName)) {
            addCrossOriginAttributes(el);
          }
        });
      });
    });
  });
  observer.observe(document.body, {
    childList: true,
    attributes: true,
    subtree: true
  });
}
if (window.crossOriginIsolated) {
  const supportsCredentialless = "credentialless" in window.HTMLIFrameElement.prototype;
  const disableEmbedPreviews = (0, import_compose.createHigherOrderComponent)(
    (BlockEdit) => (props) => {
      if ("core/embed" !== props.name) {
        return /* @__PURE__ */ (0, import_jsx_runtime.jsx)(BlockEdit, { ...props });
      }
      const previewable = supportsCredentialless && !["facebook", "smugmug"].includes(
        props.attributes.providerNameSlug
      );
      return /* @__PURE__ */ (0, import_jsx_runtime.jsx)(
        BlockEdit,
        {
          ...props,
          attributes: { ...props.attributes, previewable }
        }
      );
    },
    "withDisabledEmbedPreview"
  );
  (0, import_hooks.addFilter)(
    "editor.BlockEdit",
    "media-experiments/disable-embed-previews",
    disableEmbedPreviews
  );
}
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