Kitsu External Links

adds a link to myanimelist and anilist on Kitsu entries

You will need to install an extension such as Tampermonkey, Greasemonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Userscripts to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install a user script manager extension to install this script.

(I already have a user script manager, let me install it!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(I already have a user style manager, let me install it!)

// ==UserScript==
// @name         Kitsu External Links
// @namespace    https://greatest.deepsurf.us/users/649
// @version      1.0.1
// @description  adds a link to myanimelist and anilist on Kitsu entries
// @author       Adrien Pyke
// @match        *://kitsu.io/*
// @grant        none
// @require      https://cdn.jsdelivr.net/gh/fuzetsu/userscripts@ec863aa92cea78a20431f92e80ac0e93262136df/wait-for-elements/wait-for-elements.js
// ==/UserScript==

(() => {
  'use strict';

  const Api = {
    cache: {},
    getId: () =>
      document
        .querySelector('.cover-photo')
        .getAttribute('style')
        .match(/cover_images\/(?<id>\d+)/iu).groups.id,
    getType: () =>
      location.href.match(/kitsu\.io\/(?<type>anime|manga)/iu).groups.type,
    getLinks: async (id, type) => {
      const endpoint = `https://kitsu.io/api/edge/${type}/${id}?include=mappings`;
      if (Api.cache[endpoint]) return Api.cache[endpoint];
      const response = await fetch(endpoint);
      const json = await response.json();
      const mappings = json.included
        .filter(i =>
          i.attributes.externalSite.match(
            /^(myanimelist|anilist)\/(anime|manga)$/iu
          )
        )
        .map(i => i.attributes);
      Api.cache[endpoint] = mappings;
      return mappings;
    }
  };

  const getLinksContainer = container => {
    const node = document.createElement('div');
    node.classList.add('where-to-watch-widget');
    const links = document.createElement('ul');
    links.classList.add('nav');
    node.appendChild(links);
    container.appendChild(node);
    return links;
  };

  const getLinkNode = mapping => {
    const { site, type } = mapping.externalSite.match(
      /^(?<site>myanimelist|anilist)\/(?<type>anime|manga)$/iu
    ).groups;
    const webSite =
      site === 'anilist' ? 'https://anilist.co' : 'https://myanimelist.net';
    const href = `${webSite}/${type}/${mapping.externalId}`;

    const node = document.createElement('li');
    const link = document.createElement('a');
    link.classList.add('hint--top', 'hint--bounce', 'hint--rounded');
    Object.assign(link, { href, target: '_blank', rel: 'noopener noreferrer' });
    link.setAttribute('aria-label', site);
    node.appendChild(link);
    const logo = document.createElement('img');
    Object.assign(logo, {
      src:
        site === 'anilist'
          ? 'https://anilist.co/img/icons/android-chrome-512x512.png'
          : 'https://upload.wikimedia.org/wikipedia/commons/7/7a/MyAnimeList_Logo.png',
      width: '20',
      height: '20'
    });
    link.appendChild(logo);
    return node;
  };

  waitForElems({
    sel: '.media-sidebar',
    onmatch(container) {
      const links = getLinksContainer(container);
      const id = Api.getId();
      const type = Api.getType();
      Api.getLinks(id, type).then(list =>
        list.forEach(m => links.appendChild(getLinkNode(m)))
      );
    }
  });
})();