Bookmarklet for getting at:// URI from a Bluesky page

paste_into_bookmark_url_field.url

javascript:(async function () {
  const v = new RegExp("^https://(staging\.)?bsky\.app/profile/(?<id>[^/]+)(/(?<collection>[^/]+)(/(?<rkey>[^/]+))?)?$").exec(document.URL);
  if (!v) {alert("Must be used on a Bluesky page"); return;}
  const did = (await (await (async function () {
    return await fetch("https://bsky.social/xrpc/app.bsky.actor.getProfile?actor=" + v.groups.id, {
      headers: { authorization: "Bearer " + JSON.parse(localStorage.getItem("BSKY_STORAGE")).session.currentAccount.accessJwt, },
      method: "GET",
    });
  })()).json()).did;
  const lines = [
    did,
    `https://bsky.app/profile/${did}`,
  ];
  if (v.groups.collection && v.groups.rkey) {
    lines.push(document.URL.replace(v.groups.id, did));
    switch (v.groups.collection) {
      case "post":
        lines.push(`at://${did}/app.bsky.feed.post/${v.groups.rkey}`); break;
      case "lists":
        lines.push(`at://${did}/app.bsky.graph.list/${v.groups.rkey}`); break;
    }
  }
  alert(lines.join("\n"));
})();