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const deno = typeof Deno !== "undefined" && typeof Deno.env === "object";
export function applyCSS(url: string, css: string) {  if (!deno) {    const { document } = window;    const ssrEl = Array.from<Element>(document.head.children).find((el: Element) =>      el.getAttribute("data-module-id") === url &&      el.hasAttribute("ssr")    );    if (ssrEl) {      // apply the css at next time      ssrEl.removeAttribute("ssr");    } else {      const prevEls = Array.from(document.head.children).filter((el: Element) => {        return el.getAttribute("data-module-id") === url;      });      const el = document.createElement("style");      el.setAttribute("data-module-id", url);      el.appendChild(document.createTextNode(css));      document.head.appendChild(el);      if (prevEls.length > 0) {        prevEls.forEach((el) => document.head.removeChild(el));      }    }  }}