getLikesForFeed

getLikesForFeed.js

// Navigate from https://bsky.app/ to the feed you want to get likes for
// Open the developer tools, and copy/paste this into the console tab:

(async () => {
  const [_, handle, rkey] =
    window.location.href.match(
      /https:\/\/bsky.app\/profile\/(.*?)\/feed\/(.*?)(?:\/|$)/
    ) || [];
  if (!handle)
    return console.error("The URL doesn't match the expected format.");
  const did = !handle.startsWith("did:")
    ? (
        await (
          await fetch(
            `https://bsky.social/xrpc/com.atproto.identity.resolveHandle?handle=${handle}`
          )
        ).json()
      ).did
    : handle;
  const { session } = JSON.parse(localStorage.root);
  const { accessJwt, did: repo } =
    session.accounts.find((a) => a.did === session.data.did) || {};
  let totalRetrieved = 0, currentCursor = '', likes = [];

  do {
    let result = await (
      await fetch(
        `https://bsky.social/xrpc/app.bsky.feed.getLikes?uri=at://${did}/app.bsky.feed.generator/${rkey}&cursor=${currentCursor}`,
        {
          headers: {
            "Content-Type": "application/json",
            Authorization: `Bearer ${accessJwt}`,
          },
        }
      )
    ).json();
    
    currentCursor = result.cursor;
    totalRetrieved = result.likes.length;
    likes = [...likes, ...result.likes];

  } while (totalRetrieved > 0);

  for (const like of likes) {
    console.log(like.actor.handle);
  }
})();