austin-power-outages-puppeteer

austin-power-outages-puppeteer.js

const puppeteer = require("puppeteer");

async function getAustinPowerOutages(endpoint) {
  try {
    const res = await fetch(endpoint);
    if (!res.ok) {
      throw new Error(`Austin Energy ${endpoint} is not available.`);
    }
    const data = await res.json();
    return data;
  } catch (err) {
    console.error("idk man, error: " + err.message);
  }
}

(async function getDynamicEndpoint() {
  const browser = await puppeteer.launch({ headless: true });
  const page = await browser.newPage();
  await page.setDefaultNavigationTimeout(0);
  await page.setRequestInterception(true);
  page.on("request", async (interceptedRequest) => {
    if (!interceptedRequest.url().endswith("data.json")) {
      interceptedRequest.continue();
    }
    if (interceptedRequest.url().endsWith("/summary-1/data.json")) {
      const outages = await getAustinPowerOutages(interceptedRequest.url());
      const totals = outages.summaryFileData.totals[0];
      const totalCustomersAffected = totals.total_cust_a.val;
      const totalOutages = totals.total_outages;
      const totalPercentCustomersActive = `${totals.total_percent_cust_active.val}%`;
      const outageData = {
        totalCustomersAffected,
        totalOutages,
        totalPercentCustomersActive
      };
      console.log(outageData);
    }
  });
  await page.goto("https://outagemap.austinenergy.com/", {
    timeout: 30000,
    waitUntil: "networkidle2"
  });
  await browser.close();
})();