Sort your mastodon posts by most favs

mastodonMostFavs.js

class FetchUtil {

  /**
   * @param {string|URL} url
   * @param {Object} body
   * @returns {Promise<Response>}
   */
  static async post(url, body) {
    return FetchUtil.#fetchResponse(url, {
      method: "POST",
      headers: {
        "Content-Type": "application/json"
      },
      body: JSON.stringify(body)
    });
  }

  /**
   * @param {string|URL} url
   * @returns {Promise<Response>}
   */
  static async get(url) {
    return FetchUtil.#fetchResponse(url);
  }

  /**
   * @param {string|URL} url
   * @param {RequestInit} [init]
   * @returns {Promise<Response>}
   */
  static async #fetchResponse(url, init) {
    let response;
    try {
      response = await fetch(url, {
        headers: {
          'Access-Control-Allow-Origin': "*"
        }
      });
    } catch (error) {
      error.message = "There was a connection error of some sort" + error.message;
      throw error;
    }

    if (!response.ok) {
      throw new Error(`Error with ${init ? init.method : "GET"} request: ${url}`);
    }

    return response;
  }
}

function parseLinkHeader(header) {
  if (!header) return "";
  const linkexp = /<[^>]*>\s*(\s*;\s*[^\(\)<>@,;:"\/\[\]\?={} \t]+=(([^\(\)<>@,;:"\/\[\]\?={} \t]+)|("[^"]*")))*(,|$)/g;
  const paramexp = /[^\(\)<>@,;:"\/\[\]\?={} \t]+=(([^\(\)<>@,;:"\/\[\]\?={} \t]+)|("[^"]*"))/g;

  const matches = header.match(linkexp);
  const rels = {};
  for (let i = 0; i < matches.length; i++) {
    const split = matches[i].split('>');
    const href = split[0].substring(1);
    const ps = split[1];
    const s = ps.match(paramexp);
    for (let j = 0; j < s.length; j++) {
      const p = s[j];
      const paramsplit = p.split('=');
      const rel = paramsplit[1].replace(/["']/g, '');
      rels[rel] = href;
    }
  }
  return rels;
}

async function fetchAll(url) {
  if (!url.searchParams.has('limit')) {
    url.searchParams.set('limit', '40');
    url.searchParams.set('exclude_replies', 'true');
    url.searchParams.set('exclude_reblogs', 'true');
  }
  try {
    const response = await FetchUtil.get(url);
    let statuses = await response.json();
    let next = (parseLinkHeader(response.headers.get('link'))['next']);
    if (next) {
      const moreStatuses = await fetchAll(new URL(next));
      if (Array.isArray(moreStatuses)) {
        return statuses.concat(moreStatuses);
      }
    }
    return statuses;
  } catch (e) {
    return [];
  }
}

// Just copy this entire script, paste into your browser's console, and edit the URL below.
// This won't work in Safari since its console doesn't support top-level await calls.
//
// You account ID is a number. You can get it by viewing your profile and checking
// your browser's network panel
var statuses = await fetchAll(new URL("https://{{YOUR INSTANCE DOMAIN}}/api/v1/accounts/{{YOUR ACCOUNT ID}}/statuses"));
console.log(statuses.sort((a, b) => b.favourites_count - a.favourites_count))