F95 Random Latest Update Choice

Randomly selects a resource(e.g. game,asset,animation) from the 'Latest Update' page. Just press the '?' button in the filter drawer.
As of 2024-07-19. See the latest version.
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// ==UserScript==
// @name        F95 Random Latest Update Choice
// @namespace   f95-random-latest-update-choice
// @match       https://f95zone.to/sam/latest_alpha/*
// @icon        https://external-content.duckduckgo.com/ip3/f95zone.to.ico
// @grant       none
// @version     1.0.2
// @author      Edexal
// @license     Unlicense
// @description Randomly selects a resource(e.g. game,asset,animation) from the 'Latest Update' page. Just press the '?' button in the filter drawer.
// ==/UserScript==
(() => {
  const LATEST_PAGE_QUERY = 'lppos';
  let stylesCSS = `
  .fa-question {
    color: yellow;
    background:#641c1c;
    font-size: 15px;
  }

  .fa-question:hover{
			cursor: pointer;
			opacity: 0.7;
		}

  .fa-question::before {
	  content: "\\3f";
  }

  /*Tooltip for button*/
   #filter-random::before {
    content: "lucky";
  }

  /*Chosen item*/
  #chosen {
	  box-shadow: #c00 1px 0 10px 8px !important;
  }
    #chosen > a.resource-tile_link {
      color: yellow !important;
			text-shadow: #cc0000 1px 0 8px;
    }

  `;

  //Random number
  function getRandIntInc(min, max) {
        //Inclusive random number generator
        return Math.floor(Math.random() * (max - min + 1) ) + min;
  }
  //Apply custom styles in a style tag
    function applyCSS(css) {
        let styleEl = document.querySelector("style");
        if (styleEl === null) {
            styleEl = document.createElement('style');
        }
        styleEl.appendChild(document.createTextNode(css));
        document.head.appendChild(styleEl);
    }

  //Chooses a random item on the page
  function selectAnItem(){
    if(!location.search.includes(LATEST_PAGE_QUERY)) {
            return;
    }
    //Change the URL to one w/o 'lppos' query param
    let curURL = new URL(location.href);
    curURL.searchParams.delete(LATEST_PAGE_QUERY);
    history.replaceState({},"",curURL.toString());

    //Selects a random item on the page
    let allItemsEls = document.querySelectorAll(".resource-tile"); // Gets all resource tiles
    let randNumChoice = getRandIntInc(1, allItemsEls.length);
    let chosenEl = allItemsEls[randNumChoice - 1];
    chosenEl.id = "chosen";
    chosenEl.scrollIntoView(false);//scroll selected bookmark into view from the bottom of the page
  }
  //Chooses a random page and goes to it
  function goToAPage() {
    let maxPageNum = document.querySelector(".sub-nav_info-paging_nums .nav_num:last-child").dataset.page;
    let chosenNum = getRandIntInc(1,+maxPageNum);
    let curURL = new URL(location.href);//Get the current URL
    //Customize URL to add latest page query parameter
    curURL.searchParams.set(LATEST_PAGE_QUERY,1);
    //Change page to random one
    let newURL = !curURL.toString().includes("page=") ? `${curURL.toString()}#/cat=games/page=${chosenNum}` :
    curURL.toString().replace(/page=\d+/i,`page=${chosenNum}`);

    location.replace(newURL);//Go To randomly chosen bookmark page
  }

  //Creates the random button
  function makeRandbtn(){
    let randLinkEl = document.createElement("a");
    randLinkEl.classList.add("button-icon");
    randLinkEl.id = "filter-random";

    let randIconEl = document.createElement("i");
    randIconEl.classList.add("fas", "fa-question");

    let parentEl = document.querySelector("#filter-controls");
    randLinkEl.addEventListener("click",goToAPage);
    randLinkEl.append(randIconEl);
    parentEl.insertAdjacentElement('afterbegin',randLinkEl);
  }

  function run(){
    applyCSS(stylesCSS);
    makeRandbtn();
    setTimeout(selectAnItem, 2500); // [VALUE] Wait for elements to load before executing
  }

  run();

})();