Adds a button next to each repo on trendshift.io to open it on GitHub
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// ==UserScript==
// @name Trendshift → GitHub button
// @namespace https://trendshift.io/
// @version 1.0.0
// @description Adds a button next to each repo on trendshift.io to open it on GitHub
// @author mreduar
// @license MIT
// @match https://trendshift.io/*
// @run-at document-idle
// @grant none
// ==/UserScript==
(() => {
"use strict";
const GITHUB = "https://github.com/";
const REPO_RE = /^[A-Za-z0-9][A-Za-z0-9._-]*\/[A-Za-z0-9._-]+$/;
function makeButton(repoPath) {
const btn = document.createElement("a");
btn.href = GITHUB + repoPath;
btn.target = "_blank";
btn.rel = "noopener noreferrer";
btn.textContent = "↗ GitHub";
btn.setAttribute("aria-label", "Open " + repoPath + " on GitHub");
btn.title = "Open on GitHub";
btn.style.cssText = [
"position:relative",
"z-index:20",
"display:inline-flex",
"align-items:center",
"gap:4px",
"margin-left:8px",
"padding:1px 8px",
"font-size:12px",
"font-weight:600",
"line-height:1.5",
"border-radius:6px",
"border:1px solid rgba(127,127,127,0.4)",
"background:rgba(127,127,127,0.08)",
"color:inherit",
"text-decoration:none",
"white-space:nowrap",
"vertical-align:middle",
"cursor:pointer",
].join(";");
btn.addEventListener("click", (e) => e.stopPropagation());
return btn;
}
function process() {
document.querySelectorAll('a[href^="/repositories/"]').forEach((link) => {
if (link.dataset.tsGhDone) return;
const text = link.textContent.trim();
if (!REPO_RE.test(text)) return;
link.dataset.tsGhDone = "1";
link.insertAdjacentElement("afterend", makeButton(text));
});
}
let scheduled = false;
function schedule() {
if (scheduled) return;
scheduled = true;
requestAnimationFrame(() => {
scheduled = false;
process();
});
}
process();
new MutationObserver(schedule).observe(document.body, {
childList: true,
subtree: true,
});
})();