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import { HttpRequest } from "../http/server.ts";import { version } from "../http/version.ts";import { extract } from "https://deno.land/std@0.200.0/front_matter/any.ts";
export function getPublishDate(dateStr?: string) {  const currentDate = dateStr ? new Date(dateStr) : new Date();
  const year = currentDate.getFullYear();  const month = String(currentDate.getMonth() + 1).padStart(2, "0"); // Months are zero-based, so we add 1  const day = String(currentDate.getDate()).padStart(2, "0");  const hours = String(currentDate.getHours()).padStart(2, "0");  const minutes = String(currentDate.getMinutes()).padStart(2, "0");  const seconds = String(currentDate.getSeconds()).padStart(2, "0");  const milliseconds = String(currentDate.getMilliseconds()).padStart(3, "0");
  const timezoneOffsetMinutes = currentDate.getTimezoneOffset();  const timezoneOffsetHours = Math.floor(Math.abs(timezoneOffsetMinutes) / 60);  const timezoneOffsetMinutesRemainder = Math.abs(timezoneOffsetMinutes) % 60;  const timezoneOffsetSign = timezoneOffsetMinutes < 0 ? "+" : "-";
  const iso8601String =    `${year}-${month}-${day}T${hours}:${minutes}:${seconds}.${milliseconds}${timezoneOffsetSign}${      String(        timezoneOffsetHours,      ).padStart(2, "0")    }:${String(timezoneOffsetMinutesRemainder).padStart(2, "0")}`;
  return iso8601String;}
export function denoRunCheck(req: HttpRequest) {  const regex = /^Deno\/(\d+\.\d+\.\d+)$/;  const string = req.headers.get("user-agent");  if (!string) return false;  const match = regex.exec(string);  if (!match) return false;  return true;}
export function init() {  const basePath = Deno.env.get("DENO_DEPLOYMENT_ID")    ? `https://deno.land/x/fastro@${version}/static`    : "http://localhost:8000/static";  const code =    `import init from "${basePath}/init.ts"; const name = Deno.args[0] ?? 'my-project'; await init(name, "${version}");`;  return new Response(code, {    headers: {      "content-type": "application/typescript; charset=utf-8",    },  });}
export async function getExamples() {  const examples = [];  for await (const f of Deno.readDir("./examples")) {    const [name, ext] = f.name.split(".");    examples.push({ name: name.split("_").join(" "), ext, file: f.name });  }  return examples;}
async function readContent(filePath: string) {  try {    const md = `./posts/${filePath}`;    const txt = await Deno.readTextFile(md);    const m = extract(txt);    return m.attrs;  } catch (error) {    console.log(error);  }}
export async function getPosts() {  const p = [];  for await (const f of Deno.readDir("./posts")) {    const [name] = f.name.split(".");    const r = await readContent(f.name);    if (!r) continue;    p.push({      title: r.title,      description: r.description,      date: r.date,      path: `/blog/${name}`,    });  }  return p;}