detect solidjs on page

hasSolidJS.js

const hasSolidJS = async () => {
  if (
    typeof window._$HY === "object" &&
    window._$HY.completed instanceof WeakSet
  )
    return true;

  const hydrateKeyName = "data-hk";
  const bodyFirstEl = document.body.firstElementChild;

  if (bodyFirstEl && bodyFirstEl.hasAttribute(hydrateKeyName)) return true;

  const scripts = document.querySelectorAll("script");
  const links = document.querySelectorAll("link");
  const attributeHydrateKeyNameRegex = new RegExp(
    `(?:has|get)Attribute\\(["']${hydrateKeyName}["']\\)`
  );
  const linkTypes = ["modulepreload", "prefetch", "preload", "prerender"];

  const doesFileTextContainSolid = (text) => {
    return (
      text.match(/\$DX_DELEGATE/) || text.match(attributeHydrateKeyNameRegex)
    );
  };

  for (const script of scripts) {
    if (script.textContent.match(attributeHydrateKeyNameRegex)) return true;
    if (
      script.type !== "module" ||
      script.crossOrigin !== "anonymous" ||
      script.src.match(/^chrome-extension/)
    )
      continue;

    const result = await fetch(script.src);
    const text = await result.text();
    if (doesFileTextContainSolid(text)) return true;
  }

  for (const link of links) {
    if (
      (!link.type && !link.rel) ||
      (link.rel && !linkTypes.includes(link.rel)) ||
      (link.type && !linkTypes.includes(link.type)) ||
      (link.href && link.href.match(/^chrome-extension/)) ||
      (link.hasAttribute("src") &&
        link.getAttribute("src").match(/^chrome-extension/)) ||
      (link.getAttribute("as") !== "script" &&
        !(link.href || link.getAttribute("src")).match(/\.js$/))
    ) {
      continue;
    }

    const result = await fetch(link.href || link.getAttribute("src"));
    const text = await result.text();
    if (doesFileTextContainSolid(text)) return true;
  }

  return false;
};