417 lines
14 KiB
JavaScript
417 lines
14 KiB
JavaScript
// @flow
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import 'scss/component/_livestream-chat.scss';
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// $FlowFixMe
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import { grey } from '@mui/material/colors';
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import { useIsMobile } from 'effects/use-screensize';
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import * as ICONS from 'constants/icons';
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import Button from 'component/button';
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import classnames from 'classnames';
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import CommentCreate from 'component/commentCreate';
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import CreditAmount from 'component/common/credit-amount';
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import LivestreamComment from 'component/livestreamComment';
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import LivestreamComments from 'component/livestreamComments';
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import LivestreamSuperchats from './livestream-superchats';
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import LivestreamMenu from './livestream-menu';
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import React from 'react';
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import Yrbl from 'component/yrbl';
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import { getTipValues } from 'util/livestream';
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import Slide from '@mui/material/Slide';
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export const VIEW_MODES = {
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CHAT: 'chat',
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SUPERCHAT: 'sc',
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};
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const COMMENT_SCROLL_TIMEOUT = 25;
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type Props = {
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embed?: boolean,
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isPopoutWindow?: boolean,
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uri: string,
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hideHeader?: boolean,
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superchatsHidden?: boolean,
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customViewMode?: string,
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setCustomViewMode?: (any) => void,
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// redux
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claimId?: string,
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comments: Array<Comment>,
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pinnedComments: Array<Comment>,
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superChats: Array<Comment>,
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theme: string,
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doCommentList: (
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uri: string,
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parentId: ?string,
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page: number,
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pageSize: number,
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sortBy: ?number,
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isLivestream: boolean
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) => void,
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doResolveUris: (uris: Array<string>, cache: boolean) => void,
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doSuperChatList: (uri: string) => void,
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};
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export default function LivestreamChatLayout(props: Props) {
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const {
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claimId,
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comments: commentsByChronologicalOrder,
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embed,
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isPopoutWindow,
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pinnedComments,
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superChats: superChatsByAmount,
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uri,
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hideHeader,
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superchatsHidden,
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customViewMode,
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theme,
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setCustomViewMode,
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doCommentList,
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doResolveUris,
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doSuperChatList,
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} = props;
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const isMobile = useIsMobile() && !isPopoutWindow;
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const webElement = document.querySelector('.livestream__comments');
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const mobileElement = document.querySelector('.livestream__comments--mobile');
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const discussionElement = isMobile ? mobileElement : webElement;
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const allCommentsElem = document.querySelectorAll('.livestream__comment');
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const lastCommentElem = allCommentsElem && allCommentsElem[allCommentsElem.length - 1];
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const [viewMode, setViewMode] = React.useState(VIEW_MODES.CHAT);
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const [scrollPos, setScrollPos] = React.useState(0);
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const [showPinned, setShowPinned] = React.useState(true);
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const [resolvingSuperChats, setResolvingSuperChats] = React.useState(false);
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const [openedPopoutWindow, setPopoutWindow] = React.useState(undefined);
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const [chatHidden, setChatHidden] = React.useState(false);
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const [didInitialScroll, setDidInitialScroll] = React.useState(false);
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const [minScrollHeight, setMinScrollHeight] = React.useState(0);
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const [keyboardOpened, setKeyboardOpened] = React.useState(false);
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const [superchatsAmount, setSuperchatsAmount] = React.useState(false);
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const [chatElement, setChatElement] = React.useState();
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let superChatsByChronologicalOrder = [];
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if (superChatsByAmount) superChatsByAmount.forEach((chat) => superChatsByChronologicalOrder.push(chat));
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if (superChatsByChronologicalOrder.length > 0) {
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superChatsByChronologicalOrder.sort((a, b) => b.timestamp - a.timestamp);
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}
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const commentsToDisplay =
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viewMode === VIEW_MODES.CHAT ? commentsByChronologicalOrder : superChatsByChronologicalOrder;
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const commentsLength = commentsToDisplay && commentsToDisplay.length;
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const pinnedComment = pinnedComments.length > 0 ? pinnedComments[0] : null;
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const { superChatsChannelUrls, superChatsFiatAmount, superChatsLBCAmount } = getTipValues(
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superChatsByChronologicalOrder
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);
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const scrolledPastRecent = Boolean(
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(viewMode !== VIEW_MODES.SUPERCHAT || !resolvingSuperChats) &&
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(!isMobile ? scrollPos < 0 : scrollPos < minScrollHeight)
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);
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const restoreScrollPos = React.useCallback(() => {
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if (discussionElement) {
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discussionElement.scrollTop = !isMobile ? 0 : discussionElement.scrollHeight;
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if (isMobile) {
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const pos = lastCommentElem && discussionElement.scrollTop - lastCommentElem.getBoundingClientRect().height;
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if (!minScrollHeight || minScrollHeight !== pos) {
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setMinScrollHeight(pos);
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}
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}
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}
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}, [discussionElement, isMobile, lastCommentElem, minScrollHeight]);
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function toggleClick(toggleMode: string) {
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if (toggleMode === VIEW_MODES.SUPERCHAT) {
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toggleSuperChat();
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} else {
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setViewMode(VIEW_MODES.CHAT);
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}
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if (discussionElement) {
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discussionElement.scrollTop = 0;
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}
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}
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function toggleSuperChat() {
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const hasNewSuperchats = !superchatsAmount || superChatsChannelUrls.length !== superchatsAmount;
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if (superChatsChannelUrls && hasNewSuperchats) {
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setSuperchatsAmount(superChatsChannelUrls.length);
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doResolveUris(superChatsChannelUrls, false);
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}
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setViewMode(VIEW_MODES.SUPERCHAT);
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if (setCustomViewMode) setCustomViewMode(VIEW_MODES.SUPERCHAT);
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}
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React.useEffect(() => {
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if (customViewMode && customViewMode !== viewMode) {
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setViewMode(customViewMode);
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}
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}, [customViewMode, viewMode]);
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React.useEffect(() => {
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if (claimId) {
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doCommentList(uri, undefined, 1, 75, undefined, true);
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doSuperChatList(uri);
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}
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}, [claimId, uri, doCommentList, doSuperChatList]);
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React.useEffect(() => {
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if (isMobile && !didInitialScroll) {
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restoreScrollPos();
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setDidInitialScroll(true);
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}
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}, [didInitialScroll, isMobile, restoreScrollPos, viewMode]);
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React.useEffect(() => {
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if (discussionElement && !openedPopoutWindow) setChatElement(discussionElement);
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}, [discussionElement, openedPopoutWindow]);
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// Register scroll handler (TODO: Should throttle/debounce)
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React.useEffect(() => {
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function handleScroll() {
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if (chatElement) {
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const scrollTop = chatElement.scrollTop;
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if (scrollTop !== scrollPos) {
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setScrollPos(scrollTop);
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}
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}
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}
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if (chatElement) {
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chatElement.addEventListener('scroll', handleScroll);
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return () => chatElement.removeEventListener('scroll', handleScroll);
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}
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}, [chatElement, scrollPos]);
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// Retain scrollPos=0 when receiving new messages.
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React.useEffect(() => {
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if (discussionElement && commentsLength > 0) {
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// Only update comment scroll if the user hasn't scrolled up to view old comments
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// $FlowFixMe
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if (scrollPos && (!isMobile || minScrollHeight) && scrollPos >= minScrollHeight) {
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// +ve scrollPos: not scrolled (Usually, there'll be a few pixels beyond 0).
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// -ve scrollPos: user scrolled.
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const timer = setTimeout(() => {
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// Use a timer here to ensure we reset after the new comment has been rendered.
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if (!isMobile) {
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discussionElement.scrollTop = 0;
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} else {
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restoreScrollPos();
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}
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}, COMMENT_SCROLL_TIMEOUT);
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return () => clearTimeout(timer);
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}
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}
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// eslint-disable-next-line react-hooks/exhaustive-deps
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}, [commentsLength]); // (Just respond to 'commentsLength' updates and nothing else)
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// Restore Scroll Pos after mobile input opens keyboard and avoid scroll height conflicts
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React.useEffect(() => {
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if (keyboardOpened) {
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const timer = setTimeout(() => {
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restoreScrollPos();
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setKeyboardOpened(false);
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}, 300);
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return () => clearTimeout(timer);
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}
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}, [keyboardOpened, restoreScrollPos]);
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if (!claimId) return null;
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if (openedPopoutWindow || chatHidden) {
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return (
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<div className="card livestream__chat">
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<div className="card__header--between livestreamDiscussion__header">
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<div className="card__title-section--small livestreamDiscussion__title">{__('Live Chat')}</div>
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</div>
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<div className="livestreamComments__wrapper">
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<div className="main--empty">
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<Yrbl
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title={__('Chat Hidden')}
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actions={
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<div className="section__actions">
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{openedPopoutWindow && (
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<Button button="secondary" label={__('Close Popout')} onClick={() => openedPopoutWindow.close()} />
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)}
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{chatHidden && (
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<Button button="secondary" label={__('Show Chat')} onClick={() => setChatHidden(false)} />
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)}
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</div>
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}
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/>
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</div>
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<div className="livestream__comment-create">
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<CommentCreate isLivestream bottom uri={uri} disableInput />
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</div>
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</div>
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</div>
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);
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}
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const toggleProps = { viewMode, onClick: (toggleMode) => toggleClick(toggleMode) };
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return (
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<div className={classnames('card livestream__chat', { 'livestream__chat--popout': isPopoutWindow })}>
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{!hideHeader && (
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<div className="card__header--between livestreamDiscussion__header">
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<div className="card__title-section--small livestreamDiscussion__title">
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{__('Live Chat')}
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<LivestreamMenu
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isPopoutWindow={isPopoutWindow}
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hideChat={() => setChatHidden(true)}
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setPopoutWindow={(v) => setPopoutWindow(v)}
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isMobile={isMobile}
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/>
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</div>
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{superChatsByChronologicalOrder && (
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<div className="recommended-content__toggles">
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{/* the superchats in chronological order button */}
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<ChatContentToggle {...toggleProps} toggleMode={VIEW_MODES.CHAT} label={__('Chat')} />
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{/* the button to show superchats listed by most to least support amount */}
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<ChatContentToggle
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{...toggleProps}
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toggleMode={VIEW_MODES.SUPERCHAT}
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label={
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<>
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<CreditAmount amount={superChatsLBCAmount || 0} size={8} /> /
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<CreditAmount amount={superChatsFiatAmount || 0} size={8} isFiat /> {__('Tipped')}
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</>
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}
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/>
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</div>
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)}
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</div>
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)}
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<div className="livestreamComments__wrapper">
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<div
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className={classnames('livestream-comments__top-actions', {
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'livestream-comments__top-actions--mobile': isMobile,
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})}
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>
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{isMobile && ((pinnedComment && showPinned) || (superChatsByAmount && !superchatsHidden)) && (
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<MobileDrawerTopGradient theme={theme} />
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)}
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{viewMode === VIEW_MODES.CHAT && superChatsByAmount && (
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<LivestreamSuperchats
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superChats={superChatsByAmount}
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toggleSuperChat={toggleSuperChat}
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superchatsHidden={superchatsHidden}
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isMobile={isMobile}
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/>
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)}
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{pinnedComment &&
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viewMode === VIEW_MODES.CHAT &&
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(isMobile ? (
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<Slide direction="left" in={showPinned} mountOnEnter unmountOnExit>
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<div className="livestream-pinned__wrapper--mobile">
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<LivestreamComment
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comment={pinnedComment}
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key={pinnedComment.comment_id}
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uri={uri}
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handleDismissPin={() => setShowPinned(false)}
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isMobile
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setResolvingSuperChats={setResolvingSuperChats}
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/>
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</div>
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</Slide>
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) : (
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showPinned && (
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<div className="livestream-pinned__wrapper">
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<LivestreamComment comment={pinnedComment} key={pinnedComment.comment_id} uri={uri} />
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<Button
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title={__('Dismiss pinned comment')}
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button="inverse"
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className="close-button"
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onClick={() => setShowPinned(false)}
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icon={ICONS.REMOVE}
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/>
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</div>
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)
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))}
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</div>
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<LivestreamComments
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uri={uri}
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viewMode={viewMode}
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comments={commentsToDisplay}
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isMobile={isMobile}
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restoreScrollPos={!scrolledPastRecent && isMobile && restoreScrollPos}
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/>
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{scrolledPastRecent && (
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<Button
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button="secondary"
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className="livestream-comments__scroll-to-recent"
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label={viewMode === VIEW_MODES.CHAT ? __('Recent Comments') : __('Recent Tips')}
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onClick={restoreScrollPos}
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iconRight={ICONS.DOWN}
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/>
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)}
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<div className="livestream__comment-create">
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<CommentCreate
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isLivestream
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bottom
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embed={embed}
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uri={uri}
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onDoneReplying={restoreScrollPos}
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onSlimInputClose={!scrolledPastRecent && isMobile ? () => setKeyboardOpened(true) : undefined}
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/>
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</div>
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</div>
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</div>
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);
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}
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type ToggleProps = {
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viewMode: string,
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toggleMode: string,
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label: string | any,
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onClick: (string) => void,
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};
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const ChatContentToggle = (props: ToggleProps) => {
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const { viewMode, toggleMode, label, onClick } = props;
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return (
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<Button
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className={classnames('button-toggle', { 'button-toggle--active': viewMode === toggleMode })}
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label={label}
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onClick={() => onClick(toggleMode)}
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/>
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);
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};
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type GradientProps = {
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theme: string,
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};
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const MobileDrawerTopGradient = (gradientProps: GradientProps) => {
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const { theme } = gradientProps;
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return (
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<div
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style={{
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background: `linear-gradient(180deg, ${theme === 'light' ? grey[300] : grey[900]} 0, transparent 65%)`,
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}}
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className="livestream__top-gradient"
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/>
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);
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};
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