Expand Dogars Script

// ==UserScript==
// @name         Expand DONGars
// @namespace    http://tampermonkey.net/
// @version      1.0.0
// @description  Expands Dogars links into their full sets.
// @author       Mr. Sableye
// @include      https://boards.4channel.org/*
// @include      http://boards.4channel.org/*
// @grant        GM.xmlHttpRequest
// @run-at       document-body
// ==/UserScript==

let updatedPosts = {};

// https://github.com/shoedrip-unbound/dogars-frontend/blob/master/src/utils.ts#L70
const setToString = (set) => {
    let res = '';
    if (set.name)
        res += `${set.name} (${set.species})`;
    else
        res += set.species;
    if (set.gender && set.gender != '' && set.gender != 'N')
        res += ` (${set.gender})`;
    if (set.item && set.item != '')
        res += ` @ ${set.item}`;
    res += `\nAbility: ${set.ability}\n`;
    if (set.level && set.level != 100)
        res += `Level: ${set.level}\n`;
    if (set.shiny)
        res += 'Shiny: Yes\n';

    if (set.happiness !== undefined && set.happiness !== null && set.happiness < 255)
        res += `Happiness: ${set.happiness}\n`;
    let buildstr = (t, f) => ['HP', 'Atk', 'Def', 'SpA', 'SpD', 'Spe']
        .filter(s => set[`${s.toLowerCase()}_${t}`] != f)
        .map(s => set[`${s.toLowerCase()}_${t}`] + ' ' + s)
        .join(' / ');

    let evstr = buildstr('ev', 0);
    let ivstr = buildstr('iv', 31);
    if (evstr != '')
        res += `EVs: ${evstr}\n`;
    let neutral = ['Serious', 'Bashful', 'Docile', 'Hardy', 'Quirky'];
    let nature = neutral.some(n => n == set.nature);
    if (set.nature && !nature)
        res += `${set.nature} Nature\n`;
    if (ivstr != '')
        res += `IVs: ${ivstr}\n`;
    res += [1, 2, 3, 4]
        .map(d => 'move_' + d)
        .filter(n => set[n])
        .map(n => `- ${set[n]}`)
        .join('\n') + '\n';

    if (set.creator || set.hash) {
      res += `Creator: ${set.creator || 'Anonymous'}${(set.hash && `#${set.hash}`) || ''}\n`;
    }

    if (set.description) {
      res += `Description: ${set.description}\n`;
    }

    return res;
};

const getSet = (setId) => fetch(`https://dogars.ga/api/sets/${setId}`)
    .then(response => response.text())
    .then(responseText => JSON.parse(responseText))
    .then(responseJson => setToString(responseJson));

const dogarsLinkRegex = /(https?:\/\/)?dogars.ga\/set\/(?<setId>[0-9]+)/gi;

const expandDogars = async () => {
  const postElements = document.getElementsByClassName('postMessage');

  for (const postElement of postElements) {
    if (!updatedPosts[postElement.id]) {
      const postElementText = postElement.textContent;
      let match = dogarsLinkRegex.exec(postElementText);

      while (match !== null) {
        if (match?.groups?.['setId']) {
          const set = await getSet(match?.groups?.['setId']);

          const setNode = document.createElement('pre');
          setNode.classList.add('prettyprint');
          setNode.classList.add('prettyprinted');

          const setTextNode = document.createTextNode(set);
          setNode.appendChild(setTextNode);

          const lineBreak = document.createElement('br');
          postElement.appendChild(lineBreak);
          postElement.appendChild(setNode);
        }

        match = dogarsLinkRegex.exec(postElementText);
      }

      updatedPosts[postElement.id] = true;
    }
  }
};

setTimeout(expandDogars, 2000);
setInterval(expandDogars, 30000);