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import type { Request, Response } from "../mod.ts";import { posix } from "../deps.ts"

export const staticServe = (  path: string,  options?: { maxAge?: number },) =>  async (req: Request, res: Response) => {    if (req.method !== "GET" && req.method !== "HEAD") {      return;    }    const maxAge = options && options.maxAge || 0;    const fullPath = posix.join(path, req.url.pathname);    try {      let fileInfo = await Deno.stat(fullPath);      if (fileInfo.isFile) {        res.setHeader("Cache-Control", `public`);        res.getHeaders.append("Cache-Control", `max-age=${maxAge / 1000 | 0}`);        var t = new Date();        t.setSeconds(t.getSeconds() + maxAge);        res.setHeader("Expires", t.toUTCString());        await res.sendFile(fullPath);      }    } catch (e) {      if (e instanceof Deno.errors.PermissionDenied) {        console.error(e);      }    }  };