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import { Status, STATUS_TEXT } from "./deps.ts";
export async function handleStaticFile(  reqUrl: string,  staticURL: string,  maxAge: number,) {  let file;  const path = getPathUrl(reqUrl, staticURL);  if (!path) {    return new Response(STATUS_TEXT[Status.NotFound], {      status: Status.NotFound,    });  }
  try {    file = await Deno.open(`.${path}`, { read: true });  } catch (error) {    console.error(error);    return new Response(STATUS_TEXT[Status.NotFound], {      status: Status.NotFound,    });  }
  let options = {};  if (path.includes(".js")) {    options = {      headers: {        "content-type": "text/javascript",        "Cache-Control": `max-age=${maxAge}`,      },    };  }
  return new Response(file.readable, options);}
function getPathUrl(url: string, staticURL: string) {  const s = staticURL === "/" ? "" : staticURL;  const res = url.match(/^https?:\/\/[^/]+/);  if (!res) return null;  const [baseUrl] = res;  const p = `${s}/:file`;  const pattern = new URLPattern(p, baseUrl);  if (!pattern.test(url)) return null;  return url.substring(baseUrl.length);}