GitHub Star History

Append Star History chart to GitHub repository top pages.
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Wrap lines
// ==UserScript==
// @name         GitHub Star History
// @description  Append Star History chart to GitHub repository top pages.
// @namespace    https://github.com/to
// @version      0.1
// @author       Gemini 3 & to
// @license      MIT
//
// @run-at       document-idle
// @match        https://github.com/*/*
// @icon         https://www.google.com/s2/favicons?sz=64&domain=github.com
//
// @grant        GM_xmlhttpRequest
// @connect      api.star-history.com
// ==/UserScript==

const intervalId = setInterval(() => {
    const pathParts = window.location.pathname.split('/').filter(Boolean);
    if (pathParts.length !== 2)
        return;

    const targetDiv = document.querySelector('article.markdown-body');
    if (!targetDiv)
        return;

    const [owner, repo] = pathParts;
    GM_xmlhttpRequest({
        method: 'GET',
        url: `https://api.star-history.com/svg?repos=${owner}/${repo}&type=date&legend=top-left`,
        onload: res => {
            const svgUrl = `data:image/svg+xml;charset=utf-8,${encodeURIComponent(res.responseText)}`;
            targetDiv.insertAdjacentHTML('beforeend',
                `<img src="${svgUrl}" style="width: 100%; height: auto;" />`);
        }
    });

    clearInterval(intervalId);
}, 500);