[SNOLAB] NPM Typescript Flag

Show "Dt" and "Ts" Icon on npm package search result.
Visiter le site de l'auteur pour obtenir de l'aide, poser une question, écrire un avis, ou signaler le script.
Enveloppe les lignes
// ==UserScript==
// @name             [SNOLAB] NPM Typescript Flag
// @namespace        https://userscript.snomiao.com/
// @version          0.1.7
// @description      Show "Dt" and "Ts" Icon on npm package search result.
// @author           [email protected]
// @match            *://www.npmjs.com/search*
// @match            *://npmjs.com/search*
// @grant            none
// @contributionURL  https://snomiao.com/donate
// @supportURL       https://github.com/snomiao/userscript.js/issues
// ==/UserScript==

console.log("[SNOLAB] NPM Typescript Flag v0.1.5");
let lastFetch = 0;
let fails = 0;

const observer = new IntersectionObserver((entries) =>
  entries.forEach(async (entry) => {
    if (!entry.isIntersecting) return;
    while (!(await markPackage(entry.target)));
  })
);

async function markPackage(h3) {
  if (h3.ariaChecked) return true;
  // back-off retry
  const interval = 200;
  const wait = interval * 2 ** fails;
  const until = lastFetch + wait;
  while (+new Date() < until)
    await new Promise((r) => setTimeout(r, (until - +new Date()) / 2));
  lastFetch = +new Date();
  //
  const pathname = h3.parentElement.pathname;
  const response = await fetch(pathname, { cache: "force-cache" });
  if (response.status !== 200) {
    fails++;
    return false; // will try again later
  }
  fails /= 2; // find a balanced request rate

  const content = await response.text();
  const hasDt =
    content.match(
      '(?<="flex">)<img.*?This package has TypeScript declarations provided by.*?/>'
    )?.[0] ?? "";
  const hasTs =
    content.match(
      '(?<="true">)<img.*?This package contains built-in TypeScript declarations.*?/>'
    )?.[0] ?? "";
  h3.innerHTML = h3.innerText + " / " + hasDt + hasTs;
  console.log({ pathname, hasDt, hasTs });
  h3.ariaChecked = true;
  return true;
}

function $$(sel, el = document) {
  return [...el.querySelectorAll(sel)];
}

$$("a>h3").forEach(async (h3) => observer.observe(h3));