Script to stamp in on Jobcan

.env

EMAIL={your email address}
PASSWORD={your password}

index.js

const puppeteer = require("puppeteer");
const dotenv = require("dotenv");
const {
  PendingXHR
} = require("pending-xhr-puppeteer");
const commandLineArgs = require("command-line-args");

const loginUrl = "https://id.jobcan.jp/users/sign_in";
const stampingLoginUrl = "https://ssl.jobcan.jp/jbcoauth/login";

const env = dotenv.config().parsed;

async function login(page) {
  await page.goto(loginUrl);
  await page.type("#user_email", env["EMAIL"]);
  await page.type("#user_password", env["PASSWORD"]);
  await Promise.all([
    page.waitForNavigation(),
    page.click('input[type="submit"]'),
  ]);
}

async function stamp(page) {
  await page.goto(stampingLoginUrl);
  await page.select("#adit_group_id", "2");
  const pendingXHR = new PendingXHR(page);
  await page.click("#adit-button-push");
  await pendingXHR.waitForAllXhrFinished();
}

function formatDate(d) {
  const str = (n) => n.toString().padStart(2, "0");
  const ymd = `${d.getFullYear()}${str(d.getMonth() + 1)}${str(d.getDate())}`;
  const hms = `${str(d.getHours())}${str(d.getMinutes())}${str(
    d.getSeconds()
  )}`;
  return `${ymd}-${hms}`;
}

const optionDefinitions = [{
  name: "screenshot",
  alias: "s",
  type: Boolean,
}];
const cli = commandLineArgs(optionDefinitions);

(async () => {
  const browser = await puppeteer.launch({
    headless: true
  });
  const page = await browser.newPage();

  await login(page);
  await stamp(page);
  if (cli["screenshot"]) {
    await page.screenshot({
      path: `${formatDate(new Date())}.png`
    });
  }
  await browser.close();
})();

package.json

{
  "name": "jobcan-punching-bot",
  "version": "1.0.0",
  "description": "Script to punch in on Jobcan",
  "main": "index.js",
  "scripts": {
    "start": "node index.js --screenshot"
  },
  "private": "true",
  "dependencies": {
    "command-line-args": "^5.2.0",
    "dotenv": "^11.0.0",
    "pending-xhr-puppeteer": "^2.3.3",
    "puppeteer": "^13.0.1"
  }
}