stars.ts

import axios from "axios";
import * as cheerio from "cheerio";
import dotenv from "dotenv";
import { readFileSync, writeFileSync } from "fs";

dotenv.config();

const URL = "https://adventofcode.com/events";

interface Event {
  year: number;
  stars: number;
}

const main = async () => {
  const response = await axios.get(URL, {
    headers: {
      Cookie: `session=${process.env.SESSION_TOKEN}`,
    },
  });
  const body = response.data;

  const events: Event[] = [];
  const $ = cheerio.load(body);
  $(".eventlist-event").each((i, elem) => {
    events.push({
      year: parseInt($(elem).find("a").text().substring(1, 5), 10),
      stars: parseInt($(elem).find(".star-count").text().replace("*", ""), 10) || 0,
    });
  });

  const readme = readFileSync("README.md", "utf8");

  const top = readme.split("<!-- auto-generated -->")[0].trim();
  const bottom = readme.split("<!-- /auto-generated -->")[1].trim();

  const table: string = events
    .map((e) => {
      const stars = Array(e.stars + 1).fill("⭐️");
      stars[Math.floor(stars.length / 2)] = "<br/>";
      return `| [${e.year}](./${e.year}) | ${e.stars} | ${stars.join("")} |`;
    })
    .join("\n");

  writeFileSync("README.md", `${top}\n<!-- auto-generated -->\n| Year | Stars | |\n| --- | --- | --- |\n${table}\n<!-- /auto-generated -->\n${bottom}`);
};

main();