Filters messages in YouTube stream chat.
目前為
// ==UserScript==
// @name YouTube Chat Filter
// @version 1.6
// @description Filters messages in YouTube stream chat.
// @author Callum Latham
// @namespace https://gf.qytechs.cn/users/696211-ctl2
// @license MIT
// @match *://www.youtube.com/*
// @match *://youtube.com/*
// @require https://gf.qytechs.cn/scripts/446506-config/code/$Config.js?version=1081062
// @require https://gf.qytechs.cn/scripts/449472-boolean/code/$Boolean.js?version=1081058
// @grant GM.setValue
// @grant GM.getValue
// @grant GM.deleteValue
// ==/UserScript==
// Don't run outside the chat frame
if (!window.frameElement || window.frameElement.id !== 'chatframe') {
// noinspection JSAnnotator
return;
}
//misidentifying
window.addEventListener('load', async () => {
// STATIC CONSTS
const LONG_PRESS_TIME = 400;
const ACTIVE_COLOUR = 'var(--yt-spec-call-to-action)';
const CHAT_LIST_SELECTOR = '#items.yt-live-chat-item-list-renderer';
const FILTER_CLASS = 'cf';
const TAGS_FILTERABLE = [
'YT-LIVE-CHAT-TEXT-MESSAGE-RENDERER',
'YT-LIVE-CHAT-PAID-MESSAGE-RENDERER',
'YT-LIVE-CHAT-MEMBERSHIP-ITEM-RENDERER',
'YTD-SPONSORSHIPS-LIVE-CHAT-GIFT-PURCHASE-ANNOUNCEMENT-RENDERER',
'YTD-SPONSORSHIPS-LIVE-CHAT-GIFT-REDEMPTION-ANNOUNCEMENT-RENDERER'
];
const PRIORITIES = {
'VERIFIED': 'Verification Badge',
'MODERATOR': 'Moderator Badge',
'MEMBER': 'Membership Badge',
'LONG': 'Long',
'RECENT': 'Recent',
'SUPERCHAT': 'Superchat',
'MEMBERSHIP_RENEWAL': 'Membership Purchase',
'MEMBERSHIP_GIFT_OUT': 'Membership Gift (Given)',
'MEMBERSHIP_GIFT_IN': 'Membership Gift (Received)',
'EMOJI': 'Emojis'
};
// ELEMENT CONSTS
const STREAMER = window.parent.document.querySelector('#upload-info > #channel-name').innerText;
const ROOT_ELEMENT = document.body.querySelector('#chat');
const [BUTTON, SVG, COUNTER] = await (async () => {
const SVG_NAMESPACE = 'http://www.w3.org/2000/svg';
const [button, svgContainer, svg] = await new Promise((resolve) => {
const template = document.body.querySelector('#live-chat-header-context-menu');
const button = template.querySelector('button').cloneNode(true);
const svgContainer = button.querySelector('yt-icon');
button.style.visibility = 'hidden';
button.querySelector('yt-touch-feedback-shape').remove();
template.parentElement.insertBefore(button, template);
window.setTimeout(() => {
const path = document.createElementNS(SVG_NAMESPACE, 'path');
path.setAttribute('d', 'M128.25,175.6c1.7,1.8,2.7,4.1,2.7,6.6v139.7l60-51.3v-88.4c0-2.5,1-4.8,2.7-6.6L295.15,65H26.75L128.25,175.6z');
const rectangle = document.createElementNS(SVG_NAMESPACE, 'rect');
rectangle.setAttribute('x', '13.95');
rectangle.setAttribute('y', '0');
rectangle.setAttribute('width', '294');
rectangle.setAttribute('height', '45');
const svg = document.createElementNS(SVG_NAMESPACE, 'svg');
svg.setAttribute('viewBox', '-50 -50 400 400');
svg.setAttribute('x', '0');
svg.setAttribute('y', '0');
svg.setAttribute('focusable', 'false');
svg.append(path, rectangle);
svgContainer.innerHTML = '';
svgContainer.append(svg);
button.style.removeProperty('visibility');
button.style.setProperty('display', 'contents')
resolve([button, svgContainer, svg]);
}, 0);
});
const counter = (() => {
const container = document.createElement('div');
container.style.position = 'absolute';
container.style.left = '9px';
container.style.bottom = '9px';
container.style.fontSize = '1.1em';
container.style.lineHeight = 'normal';
container.style.width = '1.6em';
container.style.display = 'flex';
container.style.alignItems = 'center';
const svg = (() => {
const circle = document.createElementNS(SVG_NAMESPACE, 'circle');
circle.setAttribute('r', '50');
circle.style.color = 'var(--yt-live-chat-header-background-color)';
circle.style.opacity = '0.65';
const svg = document.createElementNS(SVG_NAMESPACE, 'svg');
svg.setAttribute('viewBox', '-70 -70 140 140');
svg.append(circle);
return svg;
})();
const text = document.createElement('span');
text.style.position = 'absolute';
text.style.width = '100%';
text.innerText = '?';
container.append(text, svg);
svgContainer.append(container);
return text;
})();
return [button, svg, counter];
})();
// STATE INTERFACES
const $active = new $Boolean('YTCF_IS_ACTIVE');
const $config = new $Config(
'YTCF_TREE',
(() => {
const regexPredicate = (value) => {
try {
RegExp(value);
} catch (_) {
return 'Value must be a valid regular expression.';
}
return true;
};
return {
'children': [
{
'label': 'Filters',
'children': [],
'seed': {
'label': 'Description',
'value': '',
'children': [
{
'label': 'Streamer Regex',
'children': [],
'seed': {
'value': '^',
'predicate': regexPredicate
}
},
{
'label': 'Author Regex',
'children': [],
'seed': {
'value': '^',
'predicate': regexPredicate
}
},
{
'label': 'Message Regex',
'children': [],
'seed': {
'value': '^',
'predicate': regexPredicate
}
}
]
}
},
{
'label': 'Options',
'children': [
{
'label': 'Case-Sensitive Regex?',
'value': false
},
{
'label': 'Pause on Mouse Over?',
'value': false
},
{
'label': 'Queue Time (ms)',
'value': 0,
'predicate': (value) => value >= 0 ? true : 'Queue time must be positive'
}
]
},
{
'label': 'Preferences',
'children': [
{
'label': 'Requirements',
'children': [
{
'label': 'OR',
'children': [],
'poolId': 0
},
{
'label': 'AND',
'children': [],
'poolId': 0
}
]
},
{
'label': 'Priorities (High to Low)',
'poolId': 0,
'children': Object.values(PRIORITIES).map(label => ({
label,
'value': label !== PRIORITIES.EMOJI && label !== PRIORITIES.MEMBERSHIP_GIFT_IN
}))
}
]
}
]
};
})(),
(() => {
const EVALUATORS = (() => {
const getEvaluator = (evaluator, isDesired) => isDesired ? evaluator : (_) => 1 - evaluator(_);
return {
// Special tests
[PRIORITIES.RECENT]: getEvaluator.bind(null, () => 1),
[PRIORITIES.LONG]: getEvaluator.bind(null, _ => _.querySelector('#message').textContent.length),
// Tests for message type
[PRIORITIES.SUPERCHAT]: getEvaluator.bind(null, _ => _.matches('yt-live-chat-paid-message-renderer')),
[PRIORITIES.MEMBERSHIP_RENEWAL]: getEvaluator.bind(null, _ => _.matches('yt-live-chat-membership-item-renderer')),
[PRIORITIES.MEMBERSHIP_GIFT_OUT]: getEvaluator.bind(null, _ => _.matches('ytd-sponsorships-live-chat-gift-purchase-announcement-renderer')),
[PRIORITIES.MEMBERSHIP_GIFT_IN]: getEvaluator.bind(null, _ => _.matches('ytd-sponsorships-live-chat-gift-redemption-announcement-renderer')),
// Tests for descendant element presence
[PRIORITIES.EMOJI]: getEvaluator.bind(null, _ => Boolean(_.querySelector('.emoji'))),
[PRIORITIES.MEMBER]: getEvaluator.bind(null, _ => Boolean(_.querySelector('#chat-badges > [type=member]'))),
[PRIORITIES.MODERATOR]: getEvaluator.bind(null, _ => Boolean(_.querySelector('#chip-badges > [type=verified]'))),
[PRIORITIES.VERIFIED]: getEvaluator.bind(null, _ => Boolean(_.querySelector('#chat-badges > [type=moderator]')))
};
})();
return ([rawFilters, options, {'children': [{'children': [softRequirements, hardRequirements]}, priorities]}]) => ({
'filters': (() => {
const filters = [];
const getRegex = options.children[0].value ?
({value}) => new RegExp(value) :
({value}) => new RegExp(value, 'i');
const matchesStreamer = (node) => getRegex(node).test(STREAMER);
for (const filter of rawFilters.children) {
const [{'children': streamers}, {'children': authors}, {'children': messages}] = filter.children;
if (streamers.length === 0 || streamers.some(matchesStreamer)) {
filters.push({
'authors': authors.map(getRegex),
'messages': messages.map(getRegex)
});
}
}
return filters;
})(),
'pauseOnHover': options.children[1].value,
'queueTime': options.children[2].value,
'requirements': {
'soft': softRequirements.children.map(({
label, 'value': isDesired
}) => EVALUATORS[label](isDesired)),
'hard': hardRequirements.children.map(({
label, 'value': isDesired
}) => EVALUATORS[label](isDesired))
},
'comparitors': (() => {
const getComparitor = (getValue, low, high) => {
low = getValue(low);
high = getValue(high);
return low < high ? -1 : low === high ? 0 : 1;
};
return priorities.children.map(({
label, 'value': isDesired
}) => getComparitor.bind(null, EVALUATORS[label](isDesired)));
})()
});
})(),
'YouTube Chat Filter',
{
'headBase': '#ff0000',
'headButtonExit': '#000000',
'borderHead': '#ffffff',
'nodeBase': ['#222222', '#111111'],
'borderTooltip': '#570000'
},
{'zIndex': 10000}
);
// CSS
(function style() {
function addStyle(sheet, selector, rules) {
const ruleString = rules.map(
([selector, rule]) => `${selector}:${typeof rule === 'function' ? rule() : rule} !important;`
);
sheet.insertRule(`${selector}{${ruleString.join('')}}`);
}
const styleElement = document.createElement('style');
const {sheet} = document.head.appendChild(styleElement);
const styles = [
[`${CHAT_LIST_SELECTOR}`, [
['bottom', 'inherit']
]],
[`${CHAT_LIST_SELECTOR} > :not(.${FILTER_CLASS})`, [
['display', 'none']
]]
];
for (const style of styles) {
addStyle(sheet, style[0], style[1]);
}
})();
// STATE
let queuedPost;
// FILTERING
function doFilter(isInitial = true) {
const chatListElement = ROOT_ELEMENT.querySelector(CHAT_LIST_SELECTOR);
let doQueue = false;
let paused = false;
function showPost(post, queueNext) {
const config = $config.get();
post.classList.add(FILTER_CLASS);
queuedPost = undefined;
if (queueNext && config && config.queueTime > 0) {
// Start queueing
doQueue = true;
window.setTimeout(() => {
doQueue = false;
// Unqueue
if (!paused) {
acceptPost();
}
}, config.queueTime);
}
}
function acceptPost(post = queuedPost, allowQueue = true) {
if (!post) {
return;
}
if (allowQueue && (doQueue || paused)) {
queuedPost = post;
} else {
showPost(post, allowQueue);
}
}
window.document.body.addEventListener('mouseenter', () => {
const config = $config.get();
if (config && config.pauseOnHover) {
paused = true;
}
});
window.document.body.addEventListener('mouseleave', () => {
const config = $config.get();
paused = false;
if (config && config.pauseOnHover) {
acceptPost();
}
});
function processPost(post, allowQueue = true) {
const config = $config.get();
const isFilterable = config && $active.get() && TAGS_FILTERABLE.includes(post.tagName);
if (isFilterable) {
if (
config.filters.some(filter =>
// Test author filter
(filter.authors.length > 0 && filter.authors.some(_ => _.test(post.querySelector('#author-name')?.textContent))) ||
// Test message filter
(filter.messages.length > 0 && filter.messages.some(_ => _.test(post.querySelector('#message')?.textContent)))
) ||
// Test requirements
(config.requirements.soft.length > 0 && !config.requirements.soft.some(passes => passes(post))) ||
config.requirements.hard.some(passes => !passes(post))
) {
return;
}
// Test inferior to queued post
if (queuedPost) {
for (const comparitor of config.comparitors) {
const rating = comparitor(post, queuedPost);
if (rating < 0) {
return;
}
if (rating > 0) {
break;
}
}
}
}
acceptPost(post, isFilterable && allowQueue);
}
if (isInitial) {
// Process initial messages
for (const post of chatListElement.children) {
processPost(post, false);
}
// Re-sizes the chat after removing initial messages
chatListElement.parentElement.style.height = `${chatListElement.clientHeight}px`;
// Restart if the chat element gets replaced
// This happens when switching between 'Top Chat Replay' and 'Live Chat Replay'
new MutationObserver((mutations) => {
for (const {addedNodes} of mutations) {
for (const node of addedNodes) {
if (node.matches('yt-live-chat-item-list-renderer')) {
doFilter(false);
}
}
}
}).observe(
ROOT_ELEMENT.querySelector('#item-list'),
{childList: true}
);
}
// Handle new posts
new MutationObserver((mutations) => {
for (const {addedNodes} of mutations) {
for (const addedNode of addedNodes) {
processPost(addedNode);
}
}
}).observe(
chatListElement,
{childList: true}
);
}
// MAIN
(() => {
let timeout;
const updateSvg = () => {
SVG.style[`${$active.get() ? 'set' : 'remove'}Property`]('color', ACTIVE_COLOUR);
};
const updateCounter = () => {
const config = $config.get();
const count = config ? config.filters.length : 0;
queuedPost = undefined;
COUNTER.style[`${count > 0 ? 'set' : 'remove'}Property`]('color', ACTIVE_COLOUR);
COUNTER.innerText = `${count}`;
};
const onShortClick = (event) => {
if (timeout && event.button === 0) {
timeout = window.clearTimeout(timeout);
$active.toggle();
updateSvg();
}
};
const onLongClick = () => {
timeout = undefined;
$config.edit()
.then(updateCounter)
.catch(({message}) => {
if (window.confirm(`${message}\n\nWould you like to erase your data?`)) {
$config.reset();
updateCounter();
}
});
};
Promise.allSettled([
$active.init()
.then(updateSvg),
$config.init()
.then(updateCounter)
])
.then((responses) => {
// Start filtering
doFilter();
// Inform users of issues
for (const response of responses) {
if ('reason' in response) {
window.alert(response.reason.message);
}
}
// Add short click listener
BUTTON.addEventListener('mouseup', onShortClick);
// Add long click listener
BUTTON.addEventListener('mousedown', (event) => {
if (event.button === 0) {
timeout = window.setTimeout(onLongClick, LONG_PRESS_TIME);
}
});
});
})();
});
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