Make npm.js code blocks render correctly in dark mode.

npm-dark-syntax.user.js

// ==UserScript==
// @name         NPM code highlight in Dark Mode
// @namespace    npm-syntax-dark.hyrious.me
// @version      2026-07-01
// @description  NPM only bundles the light theme.
// @author       hyrious
// @match        https://www.npmjs.com/package/*
// @icon         https://www.google.com/s2/favicons?sz=64&domain=npmjs.com
// @grant        GM_addStyle
// ==/UserScript==

(function() {
    'use strict';

    const darkCSS = 'https://cdn.jsdelivr.net/npm/github-syntax-dark@0.5.0/lib/github-dark.css';

    if (document.documentElement.dataset.colorMode === 'dark') {
        GM_addStyle(`@import '${darkCSS}';`);
    }
})();