238 lines
8.1 KiB
JavaScript
238 lines
8.1 KiB
JavaScript
(() => {
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let video;
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if(elem = document.querySelector("#my-video")) {
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video = new v0ck(elem);
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document.addEventListener("keydown", e => {
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if(e.key === " " && e.target.tagName !== "INPUT") {
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video[video.paused ? 'play' : 'pause']();
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document.querySelector('.v0ck_overlay').classList[video.paused ? 'remove' : 'add']('v0ck_hidden');
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}
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});
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}
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let tt = false;
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const stimeout = 500;
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const changePage = (e, pbwork = true) => {
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pbwork && document.querySelector("nav.navbar").classList.add("pbwork");
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!tt && (tt = setTimeout(() => e.click(), stimeout));
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};
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// <keybindings>
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const clickOnElementBinding = selector => () => (elem = document.querySelector(selector)) ? elem.click() : null;
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const keybindings = {
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"ArrowLeft": clickOnElementBinding("#next"),
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"a": clickOnElementBinding("#next"),
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"ArrowRight": clickOnElementBinding("#prev"),
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"d": clickOnElementBinding("#prev"),
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"r": clickOnElementBinding("#random"),
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" ": clickOnElementBinding("#f0ck-image")
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};
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document.addEventListener("keydown", e => {
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if(e.key in keybindings && e.target.tagName !== "INPUT") {
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if(e.shiftKey || e.ctrlKey || e.metaKey || e.altKey)
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return;
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e.preventDefault();
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keybindings[e.key]();
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}
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});
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// </keybindings>
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// <image-responsive>
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const imgSize = e => new Promise((res, _) => {
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const i = new Image();
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i.addEventListener('load', function() {
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res({ width: this.width, height: this.height });
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});
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i.src = e.src;
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});
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if(f0ckimage = document.querySelector("img#f0ck-image")) {
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const f0ckimagescroll = document.querySelector("#image-scroll");
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f0ckimage.addEventListener("click", async e => {
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e.preventDefault();
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const img = await imgSize(f0ckimage);
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if(img.width > img.height)
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return;
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f0ckimagescroll.hasAttribute("style")
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? f0ckimagescroll.removeAttribute("style")
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: f0ckimagescroll.setAttribute("style", "overflow-y: scroll");
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f0ckimage.hasAttribute("style")
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? f0ckimage.removeAttribute("style")
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: f0ckimage.setAttribute("style", "max-height: none; height: auto; width: 100%; position: absolute; left: 0;");
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});
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}
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// </image-responsive>
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// <scroller>
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let tts = 0;
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const scroll_treshold = 1;
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if(document.querySelector("div#posts")) {
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document.addEventListener("wheel", e => {
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if(Math.ceil(window.innerHeight + window.scrollY) >= document.body.offsetHeight && e.deltaY > 0) { // down
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if(elem = document.querySelector(".pagination > .next:not(.disabled)")) {
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if(tts < scroll_treshold) {
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document.querySelector("div#footbar").style.boxShadow = "inset 0px 4px 0px var(--accent)";
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document.querySelector("div#footbar").style.color = "var(--accent)";
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tts++;
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}
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else
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changePage(elem);
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}
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}
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else if(window.scrollY <= 0 && e.deltaY < 0) { // up
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if(elem = document.querySelector(".pagination > .prev:not(.disabled)")) {
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if(tts < scroll_treshold) {
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document.querySelector("nav.navbar").style.boxShadow = "0px 2px 0px var(--accent)";
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document.querySelector("nav.navbar").style.transition = ".2s ease-in-out";
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tts++;
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}
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else
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changePage(elem);
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}
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}
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else {
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tts = 0;
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document.querySelector("div#footbar").style.boxShadow = "unset";
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document.querySelector("div#footbar").style.color = "transparent";
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document.querySelector("nav.navbar").style.boxShadow = "unset";
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}
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});
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}
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const rmatch = /\/p\/(\d+?)/;
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if(document.referrer.match(rmatch) && document.location.href.match(rmatch))
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if(document.location.href.match(rmatch) < document.referrer.match(rmatch))
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document.body.scrollTop = document.body.scrollHeight;
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// </scroller>
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// <swipe>
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const swipeRT = {
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xDown: null,
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yDown: null,
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xDiff: null,
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yDiff: null,
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timeDown: null,
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startEl: null
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};
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const swipeOpt = {
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treshold: 20, // 20px
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timeout: 500 // 500ms
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};
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document.addEventListener('touchstart', e => {
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swipeRT.startEl = e.target;
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swipeRT.timeDown = Date.now();
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swipeRT.xDown = e.touches[0].clientX;
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swipeRT.yDown = e.touches[0].clientY;
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swipeRT.xDiff = 0;
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swipeRT.yDiff = 0;
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}, false);
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document.addEventListener('touchmove', e => {
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if(!swipeRT.xDown || !swipeRT.yDown)
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return;
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swipeRT.xDiff = swipeRT.xDown - e.touches[0].clientX;
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swipeRT.yDiff = swipeRT.yDown - e.touches[0].clientY;
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}, false);
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document.addEventListener('touchend', e => {
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if(swipeRT.startEl !== e.target)
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return;
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const timeDiff = Date.now() - swipeRT.timeDown;
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let elem;
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if(Math.abs(swipeRT.xDiff) > Math.abs(swipeRT.yDiff)) {
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if(Math.abs(swipeRT.xDiff) > swipeOpt.treshold && timeDiff < swipeOpt.timeout) {
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if(swipeRT.xDiff > 0) // left
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elem = document.querySelector(".pagination > .next:not(.disabled)");
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else // right
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elem = document.querySelector(".pagination > .prev:not(.disabled)");
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}
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}
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else {
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if(Math.abs(swipeRT.yDiff) > swipeOpt.treshold && timeDiff < swipeOpt.timeout) {
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if(navbar = document.querySelector("nav.navbar") && document.querySelector("div#posts")) {
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if(swipeRT.yDiff > 0 && (window.innerHeight + window.scrollY) >= document.body.offsetHeight) // up
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elem = document.querySelector(".pagination > .next:not(.disabled)");
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else if(swipeRT.yDiff <= 0 && window.scrollY <= 0 && document.querySelector("div#posts")) // down
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elem = document.querySelector(".pagination > .prev:not(.disabled)");
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}
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}
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}
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swipeRT.xDown = null;
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swipeRT.yDown = null;
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swipeRT.timeDown = null;
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if(elem)
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changePage(elem);
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}, false);
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// </swipe>
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// <visualizer>
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if(audioElement = document.querySelector("audio")) {
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const canvas = document.createElement("canvas");
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const ctx = canvas.getContext("2d");
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canvas.width = 1920;
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canvas.height = 1080;
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setTimeout(() => {
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document.querySelector(".v0ck").insertAdjacentElement("afterbegin", canvas);
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}, 400);
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const audioCtx = new AudioContext();
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const analyser = audioCtx.createAnalyser();
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analyser.fftSize = 2048;
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const source = audioCtx.createMediaElementSource(audioElement);
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source.connect(analyser);
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source.connect(audioCtx.destination);
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let data = new Uint8Array(analyser.frequencyBinCount);
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requestAnimationFrame(loopingFunction);
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function loopingFunction() {
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requestAnimationFrame(loopingFunction);
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analyser.getByteFrequencyData(data);
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draw(data);
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}
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function draw(data) {
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data = [ ...data ];
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ctx.clearRect(0, 0, canvas.width, canvas.height);
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ctx.fillStyle = getComputedStyle(document.body).getPropertyValue("--accent");
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data.forEach((value, i) => {
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const percent = value / 256;
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const height = (canvas.height * percent / 2) - 40;
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const offset = canvas.height - height - 1;
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const barWidth = canvas.width / analyser.frequencyBinCount;
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ctx.fillRect(i * barWidth, offset, barWidth, height);
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});
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}
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audioElement.onplay = () => {
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audioCtx.resume();
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};
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}
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// </visualizer>
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// <mediakeys>
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if(elem = document.querySelector("#my-video") && "mediaSession" in navigator) {
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const playpauseEvent = () => {
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video[video.paused ? 'play' : 'pause']();
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document.querySelector('.v0ck_overlay').classList[video.paused ? 'remove' : 'add']('v0ck_hidden');
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};
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navigator.mediaSession.setActionHandler('play', playpauseEvent);
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navigator.mediaSession.setActionHandler('pause', playpauseEvent);
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navigator.mediaSession.setActionHandler('stop', playpauseEvent);
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navigator.mediaSession.setActionHandler('previoustrack', () => {
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if(link = document.querySelector(".pagination > .prev:not(.disabled)"))
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changePage(link);
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});
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navigator.mediaSession.setActionHandler('nexttrack', () => {
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if(link = document.querySelector(".pagination > .next:not(.disabled)"))
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changePage(link);
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});
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}
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// </mediakeys>
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})();
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