☰

thisvid infinite scroll and filter

infinite scroll, filter: public, private, duration, positive/negative tags

Ajankohdalta 31.1.2024. Katso uusin versio.

// ==UserScript==
// @name         thisvid infinite scroll and filter
// @license      MIT
// @namespace    http://tampermonkey.net/
// @version      2.1
// @description  infinite scroll, filter: public, private, duration, positive/negative tags
// @author       smartacephale
// @match        https://thisvid.com/
// @match        https://thisvid.com/latest-updates/*
// @match        https://thisvid.com/tags/*
// @match        https://thisvid.com/categories/*
// @match        https://thisvid.com/*/?q=*
// @match        https://thisvid.com/members/*
// @match        https://thisvid.com/videos/*
// @icon         https://i.imgur.com/LAhknzo.jpeg
// @grant        GM_addStyle
// @run-at       document-end
// ==/UserScript==

const logo = `
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▒▒▒▒▒▒▒▒▒▒▒▒▒░░░░░░░░░░░░░░░░░░░░▒▒▒▒╫▓▓▓▓▓▓▓▓▓╣╣▒▒░░░░░░░░░░░░░░░░░░░░▒▒░░░░░░░,
▒▒▒▒▒▒▒▒╣▒╣▒▒▒░▒░░░░░░░░░░░░░░▒▒▒▒▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓╣╫╣▒▒░░░░░░░░░░░░░░▒▒░░░░░░░░░░
▒▒▒▒▒▒▒▒╢╣╢╢▓▓╣▒▒▒▒▒▒▒▒▒░░░▒▒▒▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓█▓▓▓▓▓╣▒▒▒▒▒▒▒░░░▒▒▒▒▒░░░░░░░░░░░
░░░░░░░░░░░░▒▒▒╨╨╢▒▒▒▒▒▒▒▒▒▒╨╨╜╜▒▒▒▒▒▒╜▒▒╨╨╨╨╨╨╨╨╨╨╨▀▒╫▒▒╜╣╫╝,░▒▒░]▒▒▒▒╨▒▒░╜Ñ▒╓─`;

(function () {
  // biome-ignore lint/suspicious/noRedundantUseStrict: <explanation>
  'use strict';
  console.clear();
  console.log(logo);

  // biome-ignore lint/complexity/noStaticOnlyClass: <explanation>
  class Utils {
    static $ = (x, e = document.body) => e.querySelector(x);
    static $$ = (x, e = document.body) => e.querySelectorAll(x);

    static findElementsBetweenIds = (startId, endId) => {
      const startElement = document.getElementById(startId);
      const endElement = document.getElementById(endId);

      if (!startElement || !endElement) {
        return [];
      }

      const elementsBetween = [];
      let currentElement = startElement.nextElementSibling;

      while (currentElement && currentElement !== endElement) {
        elementsBetween.push(currentElement);
        currentElement = currentElement.nextElementSibling;
      }

      return elementsBetween;
    };

    static parseHTML = (s) => {
      const t = document.createElement('html');
      t.innerHTML = s;
      return t;
    };

    static fetchHtml = (url) =>
      fetch(url).then((r) => r.text()).then((h) => parseHTML(h));

    static parseCSSUrl = (s) => s.match(/(?<=\(").*(?="\))/)[0];

    static timeToSeconds = (t) =>
      (t.match(/\d+/gm) || ['0'])
        .reverse()
        .map((s, i) => parseInt(s) * 60 ** i)
        .reduce((a, b) => a + b) || 0;

    static circularShift = (n, c = 6, s = 1) => (n + s) % c || c;

    static isElementInViewport = (el) => {
      const rect = el.getBoundingClientRect();
      return (
        rect.top >= 0 &&
        rect.left >= 0 &&
        rect.bottom <= (window.innerHeight || document.documentElement.clientHeight) &&
        rect.right <= (window.innerWidth || document.documentElement.clientWidth)
      );
    };

    static toggleClass = (element, className, condition) => {
      if (condition) {
        element.classList.add(className);
      } else {
        element.classList.remove(className);
      }
    };

    static parseDOM = (html) =>
      new DOMParser().parseFromString(html, 'text/html').body.firstChild;

    static parseIntegerOr = (n, or) =>
      Number.isInteger(parseInt(n)) ? parseInt(n) : or;
  }

  const {
    $,
    $$,
    findElementsBetweenIds,
    fetchHtml,
    parseHTML,
    parseDOM,
    parseCSSUrl,
    circularShift,
    isElementInViewport,
    timeToSeconds,
    toggleClass,
    parseIntegerOr,
  } = Utils;

  class Tick {
    constructor(interval) {
      this.interval = interval;
    }

    start(callback) {
      if (this.ticker) {
        this.stop();
      }
      callback();
      this.ticker = setInterval(callback, this.interval);
    }

    stop() {
      clearInterval(this.ticker);
      this.ticker = false;
    }
  }

  class ReactiveLocalStorage {
    constructor(data) {
      if (data) {
        Object.assign(this, data);
        this.observeProps(this);
      }
    }

    getLS(prop) {
      return JSON.parse(localStorage.getItem(prop));
    }

    setLS(prop, value) {
      localStorage.setItem(prop, JSON.stringify(value));
    }

    toObservable(obj, prop) {
      const lsvalue = this.getLS(prop);
      let value = lsvalue !== null ? lsvalue : obj[prop];

      Object.defineProperty(obj, prop, {
        get() {
          return value;
        },
        set(newValue) {
          this.setLS(prop, newValue);
          value = newValue;
        },
      });
    }

    observeProps(obj) {
      for (const [key, _] of Object.entries(obj)) {
        this.toObservable(obj, key);
      }
    }
  }

  const SCROLL_RESET_DELAY = 500;
  const ANIMATION_DELAY = 750;

  class DomManager {
    constructor() {
      this.data = new Map();
      this.container = this.createThumbsContainer();
    }

    filterPositiveTags = () => {
      for (const [k, v] of this.data.entries()) {
        const containTagsNot = state.filterPositiveTags.some(tag => !k.includes(tag));
        toggleClass(v.element, 'filtered-tag-pos', state.filterPositive && containTagsNot);
      };
    }

    filterNegativeTags = () => {
      for (const [k, v] of this.data.entries()) {
        const containTags = state.filterNegativeTags.some(tag => k.includes(tag));
        toggleClass(v.element, 'filtered-tag-neg', state.filterNegative && containTags);
      };
    }

    thumbIsPrivate(t) {
      return t.firstElementChild.classList.contains('private');
    }

    filterPrivate = (filterPrivate = state.filterPrivate) => {
      for (const v of this.data.values()) {
        toggleClass(v.element, 'filtered-private',
          filterPrivate && this.thumbIsPrivate(v.element))
      };
    }

    filterPublic = (filterPublic = state.filterPublic) => {
      for (const v of this.data.values()) {
        toggleClass(v.element, 'filtered-public',
          filterPublic && !this.thumbIsPrivate(v.element))
      };
    }

    filterByDuration = () => {
      const { filterDurationFrom: from, filterDurationTo: to, filterDuration } = state;
      for (const v of this.data.values()) {
        toggleClass(v.element, 'filtered-duration',
          filterDuration && (v.duration < from || v.duration > to))
      };
    }

    runFilters(container) {
      if (state.filterPrivate) this.filterPrivate();
      if (state.filterPublic) this.filterPublic();
      if (state.filterDuration) this.filterByDuration();
      if (state.filterPositive) this.filterPositiveTags();
      if (state.filterNegative) this.filterNegativeTags();
    }

    createThumbsContainer() {
      return parseDOM('<div class="thumbs-items"></div>');
    }

    handleLoadedHTML = (htmlPage, mount, useGlobalContainer = true) => {
      const thumbs = $$('.tumbpu', htmlPage);

      const container = !useGlobalContainer ? this.createThumbsContainer() : this.container;

      for (const thumbElement of thumbs) {
        const url = thumbElement.getAttribute('href');
        if (!url || this.data.has(url)) {
          thumbElement.remove();
        } else {
          this.data.set(url, {
            element: thumbElement,
            duration: timeToSeconds($('.thumb > .duration', thumbElement).textContent)
          });
          const img = $('img', thumbElement);
          const privateEl = $('.private', thumbElement);
          if (privateEl) {
            img.src = parseCSSUrl(privateEl.style.background);
            privateEl.style.background = '#000';
          } else {
            img.src = img.getAttribute('data-original');
          }
          img.classList.add('tracking');
          container.appendChild(thumbElement);
        }
      }

      this.runFilters(container);
      mount.before(container);
    };
  }

  class PreviewManager {
    constructor() {
      this.tick = new Tick(ANIMATION_DELAY);
    }

    iteratePreviewImages(src) {
      return src.replace(/(\d)\.jpg$/, (_, n) => `${circularShift(parseInt(n))}.jpg`);
    }

    animatePreview = (e) => {
      const { target: el, type } = e;
      if (el.tagName === 'IMG' && el.classList.contains('tracking')) {
        if (type === 'mouseout') {
          this.tick.stop();
          if (el.getAttribute('orig')) el.src = el.getAttribute('orig');
        }
        if (type === 'mouseover') {
          if (!el.getAttribute('orig')) el.setAttribute('orig', el.src);
          this.tick.start(() => {
            el.src = this.iteratePreviewImages(el.src);
          });
        }
      }
    };

    listen(e) {
      e.addEventListener('mouseout', this.animatePreview);
      e.addEventListener('mouseover', this.animatePreview);
    }
  }

  class PaginationPageManager {
    constructor() {
      this.pagination = $('.pagination');
      this.pagination.style.opacity = 0;
      handleLoadedHTML(document.body, this.pagination);
      previewManager.listen(this.pagination.parentElement);

      this.offsetLast = this.getOffsetLast();
      this.paginationGenerator = this.createNextPageGenerator();
      this.generatorDone = false;

      this.resetScroller();
      this.tick = new Tick(SCROLL_RESET_DELAY);
      this.fixScrollViewPort();

      this.ui = new UI(true);
      this.setPagIndex = (offset) =>
        this.ui.setPagIndex(offset, this.offsetLast);
      this.setPagIndex(this.getCurrentOffset());
    }

    fixScrollViewPort() {
      this.tick.start(() => {
        if (this.generatorDone) this.tick.stop();
        if (isElementInViewport(this.pagination)) this.generatorConsumer();
      });
    }

    async generatorConsumer() {
      const {
        value: { url, offset } = {},
        done,
      } = this.paginationGenerator.next();
      this.generatorDone = done;
      if (!done) {
        const nextPageHTML = await fetchHtml(url);
        const prevScrollPos = document.documentElement.scrollTop;
        handleLoadedHTML(nextPageHTML, this.pagination);
        this.setPagIndex(offset);
        window.scrollTo(0, prevScrollPos);
      }
    }

    getCurrentOffset() {
      return parseInt(window.location.pathname.split(/(\d+\/)$/)[1] || '1');
    }

    getOffsetLast() {
      return parseInt(
        $('.pagination-next').previousElementSibling.firstElementChild
          .textContent,
      );
    }

    createNextPageGenerator() {
      let { origin, pathname, search } = window.location;
      let offset;
      [pathname, offset = '1'] = pathname.split(/(\d+\/)$/);
      offset = parseInt(offset);
      pathname = pathname === '/' ? '/latest-updates/' : pathname;
      const offsetLast = this.getOffsetLast();
      function* nextPageGenerator() {
        for (let c = offset + 1; c <= offsetLast; c++) {
          const url = `${origin}${pathname}${c}/${search}`;
          console.log(url);
          yield { url, offset: c };
        }
      }

      return nextPageGenerator();
    }

    resetScroller = () => {
      this.infiniteScrollTriggered = false;
      window.dispatchEvent(new CustomEvent('scroll'));
    };

    infiniteScroll = () => {
      const inViewport = isElementInViewport(this.pagination);
      if (inViewport === this.infiniteScrollTriggered) return;
      this.infiniteScrollTriggered = inViewport;
      if (inViewport) this.generatorConsumer();
    };
  }

  class Router {
    constructor() {
      this.route();
    }

    route() {
      const { pathname } = window.location;
      if ($('.pagination-next')) {
        this.handlePaginationPage();
      } else if (/\/members\/\d+\/$/.test(pathname)) {
        this.handleMemberPage();
      } else if (/\/tag\//.test(pathname) || /\/?q=.*/.test(pathname)) {
        this.handlePageWithVideosButNoPagination();
      } else if (/\/videos\//.test(pathname)) {
        //this.handlePageWithVideosButNoPagination()
      }
    }

    handlePageWithVideosButNoPagination() {
      const vid = $('.tumbpu');
      if (!vid) return;
      handleLoadedHTML(document.body, vid.parentElement);
      previewManager.listen(vid.parentElement);
      const ui = new UI(false);
    }

    handlePaginationPage() {
      this.paginationManager = new PaginationPageManager();
    }

    handleMemberPage() {
      const privates = $('#list_videos_private_videos_items');
      if (privates) {
        const mistakes = findElementsBetweenIds(
          'list_videos_private_videos_items',
          'list_videos_favourite_videos',
        );
        for (const m of mistakes) privates.appendChild(m);
        handleLoadedHTML(privates, privates, false);
      }

      const favorites = $('#list_videos_favourite_videos');
      if (favorites) {
        const mountTo = favorites.firstElementChild.nextElementSibling;
        handleLoadedHTML(favorites, mountTo, false);
      }

      if (privates || favorites) {
        previewManager.listen((privates || favorites).parentElement);
        const ui = new UI(false);
      }
    }
  }

  class UI {
    templateHTML = (haspag) => `
<div id="tapermonkey-app">
<div class="subbox">
    <input type="checkbox" id="filterNegative" name="filterNegative" ${state.filterNegative ? 'checked' : ''}/>
    <label for="filterNegative">negative filter</label>
    <textarea id="filterNegativeText" placeholder="tag1 tag2 ...">${state.filterNegativeTags.join(',')}</textarea>
</div>
<div class="subbox">
    <input type="checkbox" id="filterPositive" name="filterPositive" ${state.filterPositive ? 'checked' : ''}/>
    <label for="filterPositive">positive filter</label>
    <textarea id="filterPositiveText" placeholder="tag1 tag2 ...">${state.filterPositiveTags.join(',')}</textarea>
</div>
<div class="subbox">
  <input type="checkbox" id="filterPrivate" name="filterPrivate" ${state.filterPrivate ? 'checked' : ''}/>
  <label for="filterPrivate">filter private</label>
  <input type="checkbox" id="filterPublic" name="filterPublic" ${state.filterPublic ? 'checked' : ''}/>
  <label for="filterPublic">filter public</label>
  ${haspag ? '<span id="pagIndex">0/0</span>' : ''}
</div>
<div class="subbox">
  <input type="checkbox" id="filterl" name="filterl" ${state.filterDuration ? 'checked' : ''}/>
  <label for="filterl">filter duration seconds</label>

  <label for="from">from</label>
  <input type="number" placeholder="min sec" step="10"
    min="0" max="72000" id="minL" name="from" value=${state.filterDurationFrom} />
  <label for="to">to</label>
  <input type="number" placeholder="max sec" step="10"
    min="0" max="72000" id="maxL" name="to" value=${state.filterDurationTo} />
</div>
</div>`;

    constructor(haspag = true) {
      document.body.appendChild(parseDOM(this.templateHTML(haspag)));
      this.tapermonkeyAppTemplate = document.querySelector('#tapermonkey-app');
      this.control();
    }

    setPagIndex(index, total) {
      $('#pagIndex').innerText = `${index}/${total}`;
    }

    stringToTags(s) {
      return s.split(",").map(s => s.trim()).filter(s => s.length > 0);
    }

    control() {
      this.tapermonkeyAppTemplate.addEventListener('input', (e) => {
        const { id, checked, value } = e.target;
        if (id === 'filterNegativeText') {
          state.filterNegativeTags = this.stringToTags(value);
          filterNegativeTags()
        }
        if (id === 'filterPositiveText') {
          state.filterPositiveTags = this.stringToTags(value);
          filterPositiveTags();
        }
      });

      this.tapermonkeyAppTemplate.addEventListener('click', (e) => {
        const { id, checked, value } = e.target;
        if (id === 'filterPublic') {
          state.filterPublic = checked;
          filterPublic();
        }
        if (id === 'filterPrivate') {
          state.filterPrivate = checked;
          filterPrivate();
        }
        if (id === 'filterNegative') {
          state.filterNegative = checked;
          filterNegativeTags()
        }
        if (id === 'filterPositive') {
          state.filterPositive = checked;
          filterPositiveTags();
        }
        if (id === 'filterl') {
          state.filterDuration = checked;
          filterByDuration();
        }
        if (id === 'minL') {
          state.filterDurationFrom = parseIntegerOr(value, state.filterDurationFrom);
          filterByDuration();
        }
        if (id === 'maxL') {
          state.filterDurationTo = parseIntegerOr(value, state.filterDurationTo);
          filterByDuration();
        }
      });
    }
  }

  const state = new ReactiveLocalStorage({
    filterDurationFrom: 0,
    filterDurationTo: 600,
    filterDuration: false,
    filterPrivate: false,
    filterPublic: false,
    infiniteScrollTriggered: false,
    filterNegativeTags: [],
    filterNegative: false,
    filterPositiveTags: [],
    filterPositive: false
  });

  const { filterPrivate, filterPublic, filterByDuration, filterPositiveTags, filterNegativeTags, handleLoadedHTML } = new DomManager();
  const previewManager = new PreviewManager();
  const router = new Router();

  const tampermonkeyCSS = `
#tapermonkey-app {
  background: #151515;
  padding: 10px;
  position: fixed;
  z-index: 9999;
  bottom: 10px;
  right: 10px;
  border-radius: 15px;
  width: max-content;
  box-shadow: 20px 20px 60px #000000, -20px -20px 60px #000000;
}
#tapermonkey-app .subbox {
  background: #2c2c2c;
  border-radius: 5px;
  padding: 4px;
  margin: 6px;
  user-select: none;
  display: flex;
}
#tapermonkey-app .subbox input[type=number] {
  width: 5rem;
  background: #26282b;
}
#tapermonkey-app .subbox input[type=checkbox] { margin-left: 5px; }
#tapermonkey-app .subbox label { margin: 0 10px 0 0; }
#pagIndex { text-align: end; margin-right: 5px; flex: 1;}
#tapermonkey-app textarea { flex: 1; height: 2rem; padding: 6px; }
#tapermonkey-app .subbox * {
  padding-left: 8px;
  float: none;
  width: auto;
  font-family: monospace;
  font-size: 0.8rem;
  align-self: center;
  color: #969696;
}

.tracking { content-visibility: auto; }
.filtered-private, .filtered-duration, .filtered-public, .filtered-tag-pos, .filtered-tag-neg
        { display: none !important; } `;

  GM_addStyle(tampermonkeyCSS);
})();