Featured Content Bar on Home Screen

Code:
"use strict";(self.webpackChunk=self.webpackChunk||[]).push([[8372], {

  5939: function(a, e, t) {

    t.r(e),

    e.default = `

    <div id="indexPage" style="outline:0" data-role="page" data-dom-cache="true" class="page homePage libraryPage allLibraryPage backdropPage pageWithAbsoluteTabs withTabs" data-backdroptype="movie,series,book">

      <style>

        .featurediframe {width: 95vw; height: 23.5em; display: block; border: 0px solid #000; margin: 0 auto; margin-bottom: 0em; margin-top: 1em;}

        @media (min-width: 2601px) {.featurediframe {height: 50em;} }

        @media (min-width: 2000px) and (max-width: 2600px) {.featurediframe {height: 20em; font-size: 175%;} .layout-desktop #homeTab .sections.homeSectionsContainer {margin-top: -3em !important;} }

        @media (max-width: 1000px) and (orientation: portrait) {.featurediframe {height: 46vh;} }

        @media (max-width: 1000px) and (orientation: landscape) {.featurediframe {height: 98vh;} }

        @media (max-width: 400px) and (orientation: portrait) {.featurediframe {height: 52vh;} }

        @media (max-height: 400px) and (orientation: landscape) {.featurediframe {height: 100vh;} }

        @media screen and (aspect-ratio: 4/3) {.featurediframe {height: 27em;} }

        @media screen and (aspect-ratio: 3/4) {.featurediframe {height: 27em;} }

        @media screen and (aspect-ratio: 16/10) and (max-height: 1200px) {.featurediframe {height: 34em;} }

        @media screen and (aspect-ratio: 10/16) and (max-height: 1280px) {.featurediframe {height: 25em;} }

      </style>

      <div class="tabContent pageTabContent" id="homeTab" data-index="0"><iframe class="featurediframe" src="/web/ui/spotlight.html"></iframe><div class="sections"></div></div><div class="tabContent pageTabContent" id="favoritesTab" data-index="1"> <div class="sections"></div></div></div>`;}}]);

document.addEventListener("DOMContentLoaded", () => {

  const homeTab = document.getElementById("homeTab");

  const spotlightIframe = homeTab.querySelector(".featurediframe");



  const observer = new MutationObserver(() => {

  const isHomeTabActive = homeTab.classList.contains("is-active");

    spotlightIframe.style.display = isHomeTabActive ? "block" : "none";

  });

  observer.observe(homeTab, { attributes: true, attributeFilter: ["class"] });

});