gist to load the stars and watchs from the <a> link

git-watchs.js

! function () {
  window.addEventListener('mousemove', async ev => {
      const path = ev.path || ev.composedPath();
      const elm = path.find(ev => ev.tagName === 'A');
      if (!elm || elm.visited) {
        return;
      }
      elm.visited = true;
      const parts = /.*github\.com\/(.*?)\/(.*?)\/.*/.exec(elm.href + "/");
      if (!parts) {
        return;
      }
      const [_, user, repo] = parts;
      const url = `https://api.github.com/repos/${user}/${repo}`;
      var headers = new Headers(),
        username = '****@gmail.com',
        password = '****';
      headers.append('Authorization', 'Basic ' + btoa(username + ':' + password));

      try {
        const res = await fetch(url, {
          headers
        });
        const json = await res.json();

        let r = document.createElement('span');
        r.innerHTML = "(star:" + json.watchers + ", forks:" + json.forks + ")";
        r.style.color = '#F44';
        elm.appendChild(r);
      } catch (err) {
        setTimeout(() => elm.visited = !1, 1000);
        var r = document.createTextNode("(error[" + err + ")");
        r.style.color = '#F44';
        elm.appendChild(r)
      };
  }, true);
}();
void 0;