twitch-videoad.js text/javascript
(function() {
if ( /(^|\.)twitch\.tv$/.test(document.location.hostname) === false ) { return; }
var ourTwitchAdSolutionsVersion = 2;// Only bump this when there's a breaking change to Twitch, the script, or there's a conflict with an unmaintained extension which uses this script
if (window.twitchAdSolutionsVersion && window.twitchAdSolutionsVersion >= ourTwitchAdSolutionsVersion) {
console.log("skipping video-swap-new as there's another script active. ourVersion:" + ourTwitchAdSolutionsVersion + " activeVersion:" + window.twitchAdSolutionsVersion);
window.twitchAdSolutionsVersion = ourTwitchAdSolutionsVersion;
return;
}
window.twitchAdSolutionsVersion = ourTwitchAdSolutionsVersion;
function declareOptions(scope) {
// Options / globals
scope.OPT_MODE_STRIP_AD_SEGMENTS = true;
scope.OPT_MODE_NOTIFY_ADS_WATCHED = true;
scope.OPT_MODE_NOTIFY_ADS_WATCHED_MIN_REQUESTS = false;
scope.OPT_BACKUP_PLAYER_TYPE = 'autoplay';
scope.OPT_BACKUP_PLATFORM = 'ios';
scope.OPT_REGULAR_PLAYER_TYPE = 'site';
scope.OPT_ACCESS_TOKEN_PLAYER_TYPE = null;
scope.OPT_SHOW_AD_BANNER = true;
scope.AD_SIGNIFIER = 'stitched-ad';
scope.LIVE_SIGNIFIER = ',live';
scope.CLIENT_ID = 'kimne78kx3ncx6brgo4mv6wki5h1ko';
// These are only really for Worker scope...
scope.StreamInfos = [];
scope.StreamInfosByUrl = [];
scope.CurrentChannelNameFromM3U8 = null;
// Need this in both scopes. Window scope needs to update this to worker scope.
scope.gql_device_id = null;
scope.ClientIntegrityHeader = null;
scope.AuthorizationHeader = null;
}
var twitchWorkers = [];
var workerStringConflicts = [
'twitch',
'isVariantA'// TwitchNoSub
];
var workerStringAllow = [];
var workerStringReinsert = [
'isVariantA',// TwitchNoSub (prior to (0.9))
'besuper/',// TwitchNoSub (0.9)
'${patch_url}'// TwitchNoSub (0.9.1)
];
function getCleanWorker(worker) {
var root = null;
var parent = null;
var proto = worker;
while (proto) {
var workerString = proto.toString();
if (workerStringConflicts.some((x) => workerString.includes(x)) && !workerStringAllow.some((x) => workerString.includes(x))) {
if (parent !== null) {
Object.setPrototypeOf(parent, Object.getPrototypeOf(proto));
}
} else {
if (root === null) {
root = proto;
}
parent = proto;
}
proto = Object.getPrototypeOf(proto);
}
return root;
}
function getWorkersForReinsert(worker) {
var result = [];
var proto = worker;
while (proto) {
var workerString = proto.toString();
if (workerStringReinsert.some((x) => workerString.includes(x))) {
result.push(proto);
} else {
}
proto = Object.getPrototypeOf(proto);
}
return result;
}
function reinsertWorkers(worker, reinsert) {
var parent = worker;
for (var i = 0; i < reinsert.length; i++) {
Object.setPrototypeOf(reinsert[i], parent);
parent = reinsert[i];
}
return parent;
}
function isValidWorker(worker) {
var workerString = worker.toString();
return !workerStringConflicts.some((x) => workerString.includes(x))
|| workerStringAllow.some((x) => workerString.includes(x))
|| workerStringReinsert.some((x) => workerString.includes(x));
}
function hookWindowWorker() {
var reinsert = getWorkersForReinsert(window.Worker);
var newWorker = class Worker extends getCleanWorker(window.Worker) {
constructor(twitchBlobUrl, options) {
var isTwitchWorker = false;
try {
isTwitchWorker = new URL(twitchBlobUrl).origin.endsWith('.twitch.tv');
} catch {}
if (!isTwitchWorker) {
super(twitchBlobUrl, options);
return;
}
var newBlobStr = `
${processM3U8.toString()}
${hookWorkerFetch.toString()}
${declareOptions.toString()}
${getAccessToken.toString()}
${gqlRequest.toString()}
${makeGraphQlPacket.toString()}
${tryNotifyAdsWatchedM3U8.toString()}
${parseAttributes.toString()}
${onFoundAd.toString()}
${getWasmWorkerJs.toString()}
var workerString = getWasmWorkerJs('${twitchBlobUrl.replaceAll("'", "%27")}');
declareOptions(self);
self.addEventListener('message', function(e) {
if (e.data.key == 'UboUpdateDeviceId') {
gql_device_id = e.data.value;
} else if (e.data.key == 'UpdateClientIntegrityHeader') {
ClientIntegrityHeader = e.data.value;
} else if (e.data.key == 'UpdateAuthorizationHeader') {
AuthorizationHeader = e.data.value;
}
});
hookWorkerFetch();
eval(workerString);
`
super(URL.createObjectURL(new Blob([newBlobStr])), options);
twitchWorkers.push(this);
this.addEventListener('message', (e) => {
// NOTE: Removed adDiv caching as '.video-player' can change between streams?
if (e.data.key == 'UboShowAdBanner') {
var adDiv = getAdDiv();
if (adDiv != null) {
adDiv.P.textContent = 'Blocking' + (e.data.isMidroll ? ' midroll' : '') + ' ads';
if (OPT_SHOW_AD_BANNER) {
adDiv.style.display = 'block';
}
}
} else if (e.data.key == 'UboHideAdBanner') {
var adDiv = getAdDiv();
if (adDiv != null) {
adDiv.style.display = 'none';
}
} else if (e.data.key == 'UboChannelNameM3U8Changed') {
//console.log('M3U8 channel name changed to ' + e.data.value);
} else if (e.data.key == 'UboReloadPlayer') {
reloadTwitchPlayer();
} else if (e.data.key == 'UboPauseResumePlayer') {
reloadTwitchPlayer(false, true);
} else if (e.data.key == 'UboSeekPlayer') {
reloadTwitchPlayer(true);
}
});
function getAdDiv() {
var playerRootDiv = document.querySelector('.video-player');
var adDiv = null;
if (playerRootDiv != null) {
adDiv = playerRootDiv.querySelector('.ubo-overlay');
if (adDiv == null) {
adDiv = document.createElement('div');
adDiv.className = 'ubo-overlay';
adDiv.innerHTML = '<div class="player-ad-notice" style="color: white; background-color: rgba(0, 0, 0, 0.8); position: absolute; top: 0px; left: 0px; padding: 5px;"><p></p></div>';
adDiv.style.display = 'none';
adDiv.P = adDiv.querySelector('p');
playerRootDiv.appendChild(adDiv);
}
}
return adDiv;
}
}
}
var workerInstance = reinsertWorkers(newWorker, reinsert);
Object.defineProperty(window, 'Worker', {
get: function() {
return workerInstance;
},
set: function(value) {
if (isValidWorker(value)) {
workerInstance = value;
} else {
console.log('Attempt to set twitch worker denied');
}
}
});
}
function getWasmWorkerJs(twitchBlobUrl) {
var req = new XMLHttpRequest();
req.open('GET', twitchBlobUrl, false);
req.overrideMimeType("text/javascript");
req.send();
return req.responseText;
}
function onFoundAd(streamInfo, textStr, reloadPlayer) {
console.log('Found ads, switch to backup');
streamInfo.UseBackupStream = true;
streamInfo.IsMidroll = textStr.includes('"MIDROLL"') || textStr.includes('"midroll"');
if (reloadPlayer) {
postMessage({key:'UboReloadPlayer'});
}
postMessage({key:'UboShowAdBanner',isMidroll:streamInfo.IsMidroll});
}
async function processM3U8(url, textStr, realFetch) {
var streamInfo = StreamInfosByUrl[url];
if (streamInfo == null) {
console.log('Unknown stream url ' + url);
//postMessage({key:'UboHideAdBanner'});
return textStr;
}
if (!OPT_MODE_STRIP_AD_SEGMENTS) {
return textStr;
}
var haveAdTags = textStr.includes(AD_SIGNIFIER);
if (streamInfo.UseBackupStream) {
if (streamInfo.Encodings == null) {
console.log('Found backup stream but not main stream?');
streamInfo.UseBackupStream = false;
postMessage({key:'UboReloadPlayer'});
return '';
} else {
var streamM3u8Url = streamInfo.Encodings.match(/^https:.*\.m3u8$/m)[0];
var streamM3u8Response = await realFetch(streamM3u8Url);
if (streamM3u8Response.status == 200) {
var streamM3u8 = await streamM3u8Response.text();
if (streamM3u8 != null) {
if (!streamM3u8.includes(AD_SIGNIFIER)) {
console.log('No more ads on main stream. Triggering player reload to go back to main stream...');
streamInfo.UseBackupStream = false;
postMessage({key:'UboHideAdBanner'});
postMessage({key:'UboReloadPlayer'});
} else if (!streamM3u8.includes('"MIDROLL"') && !streamM3u8.includes('"midroll"')) {
var lines = streamM3u8.replace('\r', '').split('\n');
for (var i = 0; i < lines.length; i++) {
var line = lines[i];
if (line.startsWith('#EXTINF') && lines.length > i + 1) {
if (!line.includes(LIVE_SIGNIFIER) && !streamInfo.RequestedAds.has(lines[i + 1])) {
// Only request one .ts file per .m3u8 request to avoid making too many requests
//console.log('Fetch ad .ts file');
streamInfo.RequestedAds.add(lines[i + 1]);
fetch(lines[i + 1]).then((response)=>{response.blob()});
break;
}
}
}
}
}
}
}
} else if (haveAdTags) {
onFoundAd(streamInfo, textStr, true);
} else {
postMessage({key:'UboHideAdBanner'});
}
if (haveAdTags && streamInfo.BackupEncodings != null) {
var streamM3u8Url = streamInfo.BackupEncodings.match(/^https:.*\.m3u8.*$/m)[0];
var streamM3u8Response = await realFetch(streamM3u8Url);
if (streamM3u8Response.status == 200) {
textStr = await streamM3u8Response.text();
}
}
return textStr;
}
function hookWorkerFetch() {
console.log('hookWorkerFetch (video-swap-new)');
var realFetch = fetch;
fetch = async function(url, options) {
if (typeof url === 'string') {
url = url.trimEnd();
if (url.endsWith('m3u8')) {
return new Promise(function(resolve, reject) {
var processAfter = async function(response) {
var str = await processM3U8(url, await response.text(), realFetch);
resolve(new Response(str, {
status: response.status,
statusText: response.statusText,
headers: response.headers
}));
};
var send = function() {
return realFetch(url, options).then(function(response) {
processAfter(response);
})['catch'](function(err) {
console.log('fetch hook err ' + err);
reject(err);
});
};
send();
});
}
else if (url.includes('/api/channel/hls/') && !url.includes('picture-by-picture')) {
var channelName = (new URL(url)).pathname.match(/([^\/]+)(?=\.\w+$)/)[0];
if (CurrentChannelNameFromM3U8 != channelName) {
postMessage({
key: 'UboChannelNameM3U8Changed',
value: channelName
});
}
CurrentChannelNameFromM3U8 = channelName;
if (OPT_MODE_STRIP_AD_SEGMENTS) {
return new Promise(async function(resolve, reject) {
// - First m3u8 request is the m3u8 with the video encodings (360p,480p,720p,etc).
// - Second m3u8 request is the m3u8 for the given encoding obtained in the first request. At this point we will know if there's ads.
var streamInfo = StreamInfos[channelName];
if (streamInfo != null && streamInfo.Encodings != null && (await realFetch(streamInfo.Encodings.match(/^https:.*\.m3u8$/m)[0])).status !== 200) {
// The cached encodings are dead (the stream probably restarted)
streamInfo = null;
}
if (streamInfo == null || streamInfo.Encodings == null || streamInfo.BackupEncodings == null) {
StreamInfos[channelName] = streamInfo = {
RequestedAds: new Set(),
Encodings: null,
BackupEncodings: null,
IsMidroll: false,
UseBackupStream: false,
ChannelName: channelName
};
for (var i = 0; i < 2; i++) {
var encodingsUrl = url;
if (i == 1) {
var accessTokenResponse = await getAccessToken(channelName, OPT_BACKUP_PLAYER_TYPE, OPT_BACKUP_PLATFORM, realFetch);
if (accessTokenResponse != null && accessTokenResponse.status === 200) {
var accessToken = await accessTokenResponse.json();
var urlInfo = new URL('https://usher.ttvnw.net/api/channel/hls/' + channelName + '.m3u8' + (new URL(url)).search);
urlInfo.searchParams.set('sig', accessToken.data.streamPlaybackAccessToken.signature);
urlInfo.searchParams.set('token', accessToken.data.streamPlaybackAccessToken.value);
encodingsUrl = urlInfo.href;
} else {
resolve(accessTokenResponse);
return;
}
}
var encodingsM3u8Response = await realFetch(encodingsUrl, options);
if (encodingsM3u8Response != null && encodingsM3u8Response.status === 200) {
var encodingsM3u8 = await encodingsM3u8Response.text();
if (i == 0) {
streamInfo.Encodings = encodingsM3u8;
var streamM3u8Url = encodingsM3u8.match(/^https:.*\.m3u8$/m)[0];
var streamM3u8Response = await realFetch(streamM3u8Url);
if (streamM3u8Response.status == 200) {
var streamM3u8 = await streamM3u8Response.text();
if (streamM3u8.includes(AD_SIGNIFIER)) {
onFoundAd(streamInfo, streamM3u8, false);
}
} else {
resolve(streamM3u8Response);
return;
}
} else {
var lowResLines = encodingsM3u8.replace('\r', '').split('\n');
var lowResBestUrl = null;
for (var j = 0; j < lowResLines.length; j++) {
if (lowResLines[j].startsWith('#EXT-X-STREAM-INF')) {
var res = parseAttributes(lowResLines[j])['RESOLUTION'];
if (res && lowResLines[j + 1].endsWith('.m3u8')) {
// Assumes resolutions are correctly ordered
lowResBestUrl = lowResLines[j + 1];
break;
}
}
}
if (lowResBestUrl != null && streamInfo.Encodings != null) {
var normalEncodingsM3u8 = streamInfo.Encodings;
var normalLines = normalEncodingsM3u8.replace('\r', '').split('\n');
for (var j = 0; j < normalLines.length - 1; j++) {
if (normalLines[j].startsWith('#EXT-X-STREAM-INF')) {
var res = parseAttributes(normalLines[j])['RESOLUTION'];
if (res) {
lowResBestUrl += ' ';// The stream doesn't load unless each url line is unique
normalLines[j + 1] = lowResBestUrl;
}
}
}
encodingsM3u8 = normalLines.join('\r\n');
}
streamInfo.BackupEncodings = encodingsM3u8;
}
var lines = encodingsM3u8.replace('\r', '').split('\n');
for (var j = 0; j < lines.length; j++) {
if (!lines[j].startsWith('#') && lines[j].includes('.m3u8')) {
StreamInfosByUrl[lines[j].trimEnd()] = streamInfo;
}
}
} else {
resolve(encodingsM3u8Response);
return;
}
}
}
if (streamInfo.UseBackupStream) {
resolve(new Response(streamInfo.BackupEncodings));
} else {
resolve(new Response(streamInfo.Encodings));
}
});
}
}
}
return realFetch.apply(this, arguments);
}
}
function makeGraphQlPacket(event, radToken, payload) {
return [{
operationName: 'ClientSideAdEventHandling_RecordAdEvent',
variables: {
input: {
eventName: event,
eventPayload: JSON.stringify(payload),
radToken,
},
},
extensions: {
persistedQuery: {
version: 1,
sha256Hash: '7e6c69e6eb59f8ccb97ab73686f3d8b7d85a72a0298745ccd8bfc68e4054ca5b',
},
},
}];
}
function getAccessToken(channelName, playerType, platform, realFetch) {
if (!platform) {
platform = 'web';
}
var body = null;
var templateQuery = 'query PlaybackAccessToken_Template($login: String!, $isLive: Boolean!, $vodID: ID!, $isVod: Boolean!, $playerType: String!) { streamPlaybackAccessToken(channelName: $login, params: {platform: "' + platform + '", playerBackend: "mediaplayer", playerType: $playerType}) @include(if: $isLive) { value signature __typename } videoPlaybackAccessToken(id: $vodID, params: {platform: "' + platform + '", playerBackend: "mediaplayer", playerType: $playerType}) @include(if: $isVod) { value signature __typename }}';
body = {
operationName: 'PlaybackAccessToken_Template',
query: templateQuery,
variables: {
'isLive': true,
'login': channelName,
'isVod': false,
'vodID': '',
'playerType': playerType
}
};
return gqlRequest(body, realFetch);
}
function gqlRequest(body, realFetch) {
if (ClientIntegrityHeader == null) {
//console.warn('ClientIntegrityHeader is null');
//throw 'ClientIntegrityHeader is null';
}
var fetchFunc = realFetch ? realFetch : fetch;
return fetchFunc('https://gql.twitch.tv/gql', {
method: 'POST',
body: JSON.stringify(body),
headers: {
'Client-Id': CLIENT_ID,
'Client-Integrity': ClientIntegrityHeader,
'X-Device-Id': gql_device_id,
'Authorization': AuthorizationHeader
}
});
}
function parseAttributes(str) {
return Object.fromEntries(
str.split(/(?:^|,)((?:[^=]*)=(?:"[^"]*"|[^,]*))/)
.filter(Boolean)
.map(x => {
const idx = x.indexOf('=');
const key = x.substring(0, idx);
const value = x.substring(idx +1);
const num = Number(value);
return [key, Number.isNaN(num) ? value.startsWith('"') ? JSON.parse(value) : value : num]
}));
}
async function tryNotifyAdsWatchedM3U8(streamM3u8) {
try {
//console.log(streamM3u8);
if (!streamM3u8 || !streamM3u8.includes(AD_SIGNIFIER)) {
return 1;
}
var matches = streamM3u8.match(/#EXT-X-DATERANGE:(ID="stitched-ad-[^\n]+)\n/);
if (matches.length > 1) {
const attrString = matches[1];
const attr = parseAttributes(attrString);
var podLength = parseInt(attr['X-TV-TWITCH-AD-POD-LENGTH'] ? attr['X-TV-TWITCH-AD-POD-LENGTH'] : '1');
var podPosition = parseInt(attr['X-TV-TWITCH-AD-POD-POSITION'] ? attr['X-TV-TWITCH-AD-POD-POSITION'] : '0');
var radToken = attr['X-TV-TWITCH-AD-RADS-TOKEN'];
var lineItemId = attr['X-TV-TWITCH-AD-LINE-ITEM-ID'];
var orderId = attr['X-TV-TWITCH-AD-ORDER-ID'];
var creativeId = attr['X-TV-TWITCH-AD-CREATIVE-ID'];
var adId = attr['X-TV-TWITCH-AD-ADVERTISER-ID'];
var rollType = attr['X-TV-TWITCH-AD-ROLL-TYPE'].toLowerCase();
const baseData = {
stitched: true,
roll_type: rollType,
player_mute: false,
player_volume: 0.5,
visible: true,
};
for (let podPosition = 0; podPosition < podLength; podPosition++) {
if (OPT_MODE_NOTIFY_ADS_WATCHED_MIN_REQUESTS) {
// This is all that's actually required at the moment
await gqlRequest(makeGraphQlPacket('video_ad_pod_complete', radToken, baseData));
} else {
const extendedData = {
...baseData,
ad_id: adId,
ad_position: podPosition,
duration: 30,
creative_id: creativeId,
total_ads: podLength,
order_id: orderId,
line_item_id: lineItemId,
};
await gqlRequest(makeGraphQlPacket('video_ad_impression', radToken, extendedData));
for (let quartile = 0; quartile < 4; quartile++) {
await gqlRequest(
makeGraphQlPacket('video_ad_quartile_complete', radToken, {
...extendedData,
quartile: quartile + 1,
})
);
}
await gqlRequest(makeGraphQlPacket('video_ad_pod_complete', radToken, baseData));
}
}
}
return 0;
} catch (err) {
console.log(err);
return 0;
}
}
function postTwitchWorkerMessage(key, value) {
twitchWorkers.forEach((worker) => {
worker.postMessage({key: key, value: value});
});
}
function hookFetch() {
var realFetch = window.fetch;
window.fetch = function(url, init, ...args) {
if (typeof url === 'string') {
if (url.includes('gql')) {
var deviceId = init.headers['X-Device-Id'];
if (typeof deviceId !== 'string') {
deviceId = init.headers['Device-ID'];
}
if (typeof deviceId === 'string') {
gql_device_id = deviceId;
}
if (gql_device_id) {
postTwitchWorkerMessage('UboUpdateDeviceId', gql_device_id);
}
if (typeof init.body === 'string' && init.body.includes('PlaybackAccessToken')) {
if (OPT_ACCESS_TOKEN_PLAYER_TYPE) {
const newBody = JSON.parse(init.body);
if (Array.isArray(newBody)) {
for (let i = 0; i < newBody.length; i++) {
newBody[i].variables.playerType = OPT_ACCESS_TOKEN_PLAYER_TYPE;
}
} else {
newBody.variables.playerType = OPT_ACCESS_TOKEN_PLAYER_TYPE;
}
init.body = JSON.stringify(newBody);
}
if (typeof init.headers['Client-Integrity'] === 'string') {
ClientIntegrityHeader = init.headers['Client-Integrity'];
if (ClientIntegrityHeader) {
postTwitchWorkerMessage('UpdateClientIntegrityHeader', init.headers['Client-Integrity']);
}
}
if (typeof init.headers['Authorization'] === 'string') {
AuthorizationHeader = init.headers['Authorization'];
if (AuthorizationHeader) {
postTwitchWorkerMessage('UpdateAuthorizationHeader', init.headers['Authorization']);
}
}
}
}
}
return realFetch.apply(this, arguments);
};
}
function reloadTwitchPlayer(isSeek, isPausePlay) {
// Taken from ttv-tools / ffz
// https://github.com/Nerixyz/ttv-tools/blob/master/src/context/twitch-player.ts
// https://github.com/FrankerFaceZ/FrankerFaceZ/blob/master/src/sites/twitch-twilight/modules/player.jsx
function findReactNode(root, constraint) {
if (root.stateNode && constraint(root.stateNode)) {
return root.stateNode;
}
let node = root.child;
while (node) {
const result = findReactNode(node, constraint);
if (result) {
return result;
}
node = node.sibling;
}
return null;
}
function findReactRootNode() {
var reactRootNode = null;
var rootNode = document.querySelector('#root');
if (rootNode && rootNode._reactRootContainer && rootNode._reactRootContainer._internalRoot && rootNode._reactRootContainer._internalRoot.current) {
reactRootNode = rootNode._reactRootContainer._internalRoot.current;
}
if (reactRootNode == null) {
var containerName = Object.keys(rootNode).find(x => x.startsWith('__reactContainer'));
if (containerName != null) {
reactRootNode = rootNode[containerName];
}
}
return reactRootNode;
}
var reactRootNode = findReactRootNode();
if (!reactRootNode) {
console.log('Could not find react root');
return;
}
var player = findReactNode(reactRootNode, node => node.setPlayerActive && node.props && node.props.mediaPlayerInstance);
player = player && player.props && player.props.mediaPlayerInstance ? player.props.mediaPlayerInstance : null;
var playerState = findReactNode(reactRootNode, node => node.setSrc && node.setInitialPlaybackSettings);
if (!player) {
console.log('Could not find player');
return;
}
if (!playerState) {
console.log('Could not find player state');
return;
}
if (player.paused || player.core?.paused) {
return;
}
if (isSeek) {
console.log('Force seek to reset player (hopefully fixing any audio desync) pos:' + player.getPosition() + ' range:' + JSON.stringify(player.getBuffered()));
var pos = player.getPosition();
player.seekTo(0);
player.seekTo(pos);
return;
}
if (isPausePlay) {
player.pause();
player.play();
return;
}
const lsKeyQuality = 'video-quality';
const lsKeyMuted = 'video-muted';
const lsKeyVolume = 'volume';
var currentQualityLS = localStorage.getItem(lsKeyQuality);
var currentMutedLS = localStorage.getItem(lsKeyMuted);
var currentVolumeLS = localStorage.getItem(lsKeyVolume);
if (player?.core?.state) {
localStorage.setItem(lsKeyMuted, JSON.stringify({default:player.core.state.muted}));
localStorage.setItem(lsKeyVolume, player.core.state.volume);
}
if (player?.core?.state?.quality?.group) {
localStorage.setItem(lsKeyQuality, JSON.stringify({default:player.core.state.quality.group}));
}
playerState.setSrc({ isNewMediaPlayerInstance: true, refreshAccessToken: true });
setTimeout(() => {
localStorage.setItem(lsKeyQuality, currentQualityLS);
localStorage.setItem(lsKeyMuted, currentMutedLS);
localStorage.setItem(lsKeyVolume, currentVolumeLS);
}, 3000);
}
function onContentLoaded() {
// This stops Twitch from pausing the player when in another tab and an ad shows.
// Taken from https://github.com/saucettv/VideoAdBlockForTwitch/blob/cefce9d2b565769c77e3666ac8234c3acfe20d83/chrome/content.js#L30
try {
Object.defineProperty(document, 'visibilityState', {
get() {
return 'visible';
}
});
}catch{}
try {
Object.defineProperty(document, 'hidden', {
get() {
return false;
}
});
}catch{}
var block = e => {
e.preventDefault();
e.stopPropagation();
e.stopImmediatePropagation();
};
document.addEventListener('visibilitychange', block, true);
document.addEventListener('webkitvisibilitychange', block, true);
document.addEventListener('mozvisibilitychange', block, true);
document.addEventListener('hasFocus', block, true);
try {
if (/Firefox/.test(navigator.userAgent)) {
Object.defineProperty(document, 'mozHidden', {
get() {
return false;
}
});
} else {
Object.defineProperty(document, 'webkitHidden', {
get() {
return false;
}
});
}
}catch{}
// Hooks for preserving volume / resolution
var keysToCache = [
'video-quality',
'video-muted',
'volume',
'lowLatencyModeEnabled',// Low Latency
'persistenceEnabled',// Mini Player
];
var cachedValues = new Map();
for (var i = 0; i < keysToCache.length; i++) {
cachedValues.set(keysToCache[i], localStorage.getItem(keysToCache[i]));
}
var realSetItem = localStorage.setItem;
localStorage.setItem = function(key, value) {
if (cachedValues.has(key)) {
cachedValues.set(key, value);
}
realSetItem.apply(this, arguments);
};
var realGetItem = localStorage.getItem;
localStorage.getItem = function(key) {
if (cachedValues.has(key)) {
return cachedValues.get(key);
}
return realGetItem.apply(this, arguments);
};
}
window.reloadTwitchPlayer = reloadTwitchPlayer;
declareOptions(window);
hookWindowWorker();
hookFetch();
if (document.readyState === "complete" || document.readyState === "loaded" || document.readyState === "interactive") {
onContentLoaded();
} else {
window.addEventListener("DOMContentLoaded", function() {
onContentLoaded();
});
}
})();