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[SNOLAB] NPM Typescript Flag

Show "Dt" and "Ts" Icon on npm package search result.

当前为 2023-11-11 提交的版本，查看 最新版本。

  1. // ==UserScript==
  2. // @name             [SNOLAB] NPM Typescript Flag
  3. // @namespace        https://userscript.snomiao.com/
  4. // @version          0.1.6
  5. // @description      Show "Dt" and "Ts" Icon on npm package search result.
  6. // @author           snomiao@gmail.com
  7. // @match            *://www.npmjs.com/search*
  8. // @match            *://npmjs.com/search*
  9. // @grant            none
  10. // @contributionURL  https://snomiao.com/donate
  11. // @supportURL       https://github.com/snomiao/userscript.js/issues
  12. // ==/UserScript==
  13.  
  14. console.log("[SNOLAB] NPM Typescript Flag v0.1.5");
  15. let lastFetch = 0;
  16. let fails = 0;
  17.  
  18. const observer = new IntersectionObserver((entries) =>
  19.   entries.forEach(async (entry) => {
  20.     if (!entry.isIntersecting) return;
  21.     while (!(await markPackage(entry.target)));
  22.   })
  23. );
  24.  
  25. async function markPackage(h3) {
  26.   if (h3.ariaChecked) return true;
  27.   // back-off retry
  28.   const interval = 200;
  29.   const wait = interval * 2 ** fails;
  30.   const until = lastFetch + wait;
  31.   while (+new Date() < until)
  32.     await new Promise((r) => setTimeout(r, (until - +new Date()) / 2));
  33.   lastFetch = +new Date();
  34.   //
  35.   const pathname = h3.parentElement.pathname;
  36.   const response = await fetch(pathname, { cache: "force-cache" });
  37.   if (response.status !== 200) {
  38.     fails++;
  39.     return false; // will try again later
  40.   }
  41.   fails /= 2; // find a balanced request rate
  42.  
  43.   const content = await response.text();
  44.   const hasDt =
  45.     content.match(
  46.       '(?<="true">)<img.*?This package has TypeScript declarations provided by.*?/>'
  47.     )?.[0] ?? "";
  48.   const hasTs =
  49.     content.match(
  50.       '(?<="true">)<img.*?This package contains built-in TypeScript declarations.*?/>'
  51.     )?.[0] ?? "";
  52.   h3.innerHTML = h3.innerText + " / " + hasDt + hasTs;
  53.   console.log({ pathname, hasDt, hasTs });
  54.   h3.ariaChecked = true;
  55.   return true;
  56. }
  57.  
  58. function $$(sel, el = document) {
  59.   return [...el.querySelectorAll(sel)];
  60. }
  61.  
  62. $$("a>h3").forEach(async (h3) => observer.observe(h3));