250 lines
8.0 KiB
TypeScript
250 lines
8.0 KiB
TypeScript
import { Row } from 'web/components/layout/row'
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import { Col } from 'web/components/layout/col'
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import { User } from 'common/user'
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import React, { useEffect, memo, useState, useMemo } from 'react'
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import { Avatar } from 'web/components/avatar'
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import { Group } from 'common/group'
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import { Comment, createCommentOnGroup } from 'web/lib/firebase/comments'
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import {
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CommentInputTextArea,
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TruncatedComment,
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} from 'web/components/feed/feed-comments'
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import { track } from 'web/lib/service/analytics'
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import { firebaseLogin } from 'web/lib/firebase/users'
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import { useRouter } from 'next/router'
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import clsx from 'clsx'
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import { UserLink } from 'web/components/user-page'
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import { groupPath } from 'web/lib/firebase/groups'
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import { CopyLinkDateTimeComponent } from 'web/components/feed/copy-link-date-time'
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import { CommentTipMap, CommentTips } from 'web/hooks/use-tip-txns'
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import { Tipper } from 'web/components/tipper'
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import { sum } from 'lodash'
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import { formatMoney } from 'common/util/format'
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import { useWindowSize } from 'web/hooks/use-window-size'
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export function ContestChat(props: {
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messages: Comment[]
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user: User | null | undefined
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contest: Group
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tips: CommentTipMap
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}) {
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const { messages, user, contest, tips } = props
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const [messageText, setMessageText] = useState('')
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const [isSubmitting, setIsSubmitting] = useState(false)
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const [scrollToBottomRef, setScrollToBottomRef] =
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useState<HTMLDivElement | null>(null)
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const [scrollToMessageId, setScrollToMessageId] = useState('')
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const [scrollToMessageRef, setScrollToMessageRef] =
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useState<HTMLDivElement | null>(null)
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const [replyToUsername, setReplyToUsername] = useState('')
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const [inputRef, setInputRef] = useState<HTMLTextAreaElement | null>(null)
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const [groupedMessages, setGroupedMessages] = useState<Comment[]>([])
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const router = useRouter()
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const isMember = user && contest.memberIds.includes(user?.id)
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useMemo(() => {
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// Group messages with createdTime within 2 minutes of each other.
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const tempMessages = []
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for (let i = 0; i < messages.length; i++) {
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const message = messages[i]
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if (i === 0) tempMessages.push({ ...message })
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else {
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const prevMessage = messages[i - 1]
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const diff = message.createdTime - prevMessage.createdTime
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const creatorsMatch = message.userId === prevMessage.userId
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if (diff < 2 * 60 * 1000 && creatorsMatch) {
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tempMessages[tempMessages.length - 1].text += `\n${message.text}`
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} else {
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tempMessages.push({ ...message })
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}
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}
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}
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setGroupedMessages(tempMessages)
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}, [messages])
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useEffect(() => {
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scrollToMessageRef?.scrollIntoView()
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}, [scrollToMessageRef])
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useEffect(() => {
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if (!isSubmitting)
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scrollToBottomRef?.scrollTo({ top: scrollToBottomRef?.scrollHeight || 0 })
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}, [scrollToBottomRef, isSubmitting])
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useEffect(() => {
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const elementInUrl = router.asPath.split('#')[1]
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if (messages.map((m) => m.id).includes(elementInUrl)) {
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setScrollToMessageId(elementInUrl)
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}
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}, [messages, router.asPath])
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function onReplyClick(comment: Comment) {
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setReplyToUsername(comment.userUsername)
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}
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async function submitMessage() {
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if (!user) {
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track('sign in to comment')
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return await firebaseLogin()
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}
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if (!messageText || isSubmitting) return
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setIsSubmitting(true)
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await createCommentOnGroup(contest.id, messageText, user)
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setMessageText('')
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setIsSubmitting(false)
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setReplyToUsername('')
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inputRef?.focus()
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}
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function focusInput() {
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inputRef?.focus()
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}
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const { width, height } = useWindowSize()
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const [containerRef, setContainerRef] = useState<HTMLDivElement | null>(null)
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// Subtract bottom bar when it's showing (less than lg screen)
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const bottomBarHeight = (width ?? 0) < 1024 ? 58 : 0
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const remainingHeight =
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(height ?? window.innerHeight) -
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(containerRef?.offsetTop ?? 0) -
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bottomBarHeight
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return (
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<Col ref={setContainerRef} style={{ height: remainingHeight }}>
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<Col
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className={
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'w-full flex-1 space-y-2 overflow-x-hidden overflow-y-scroll pt-2'
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}
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ref={setScrollToBottomRef}
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>
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{groupedMessages.map((message) => (
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<GroupMessage
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user={user}
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key={message.id}
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comment={message}
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group={contest}
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onReplyClick={onReplyClick}
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highlight={message.id === scrollToMessageId}
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setRef={
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scrollToMessageId === message.id
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? setScrollToMessageRef
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: undefined
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}
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tips={tips[message.id] ?? {}}
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/>
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))}
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{messages.length === 0 && (
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<div className="p-2 text-gray-500">
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No messages yet. Why not{isMember ? ` ` : ' join and '}
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<button
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className={'cursor-pointer font-bold text-gray-700'}
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onClick={() => focusInput()}
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>
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add one?
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</button>
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</div>
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)}
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</Col>
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{user && contest.memberIds.includes(user.id) && (
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<div className="flex w-full justify-start gap-2 p-2">
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<div className="mt-1">
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<Avatar
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username={user?.username}
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avatarUrl={user?.avatarUrl}
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size={'sm'}
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/>
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</div>
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<div className={'flex-1'}>
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<CommentInputTextArea
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commentText={messageText}
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setComment={setMessageText}
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isReply={false}
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user={user}
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replyToUsername={replyToUsername}
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submitComment={submitMessage}
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isSubmitting={isSubmitting}
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enterToSubmitOnDesktop={true}
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setRef={setInputRef}
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/>
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</div>
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</div>
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)}
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</Col>
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)
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}
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const GroupMessage = memo(function GroupMessage_(props: {
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user: User | null | undefined
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comment: Comment
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group: Group
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onReplyClick?: (comment: Comment) => void
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setRef?: (ref: HTMLDivElement) => void
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highlight?: boolean
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tips: CommentTips
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}) {
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const { comment, onReplyClick, group, setRef, highlight, user, tips } = props
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const { text, userUsername, userName, userAvatarUrl, createdTime } = comment
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const isCreatorsComment = user && comment.userId === user.id
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return (
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<Col
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ref={setRef}
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className={clsx(
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isCreatorsComment ? 'mr-2 self-end' : '',
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'w-fit max-w-sm gap-1 space-x-3 rounded-md bg-white p-1 text-sm text-gray-500 transition-colors duration-1000 sm:max-w-md sm:p-3 sm:leading-[1.3rem]',
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highlight ? `-m-1 bg-indigo-500/[0.2] p-2` : ''
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)}
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>
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<Row className={'items-center'}>
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{!isCreatorsComment && (
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<Col>
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<Avatar
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className={'mx-2 ml-2.5'}
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size={'xs'}
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username={userUsername}
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avatarUrl={userAvatarUrl}
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/>
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</Col>
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)}
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{!isCreatorsComment ? (
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<UserLink username={userUsername} name={userName} />
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) : (
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<span className={'ml-2.5'}>{'You'}</span>
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)}
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<CopyLinkDateTimeComponent
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prefix={'group'}
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slug={group.slug}
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createdTime={createdTime}
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elementId={comment.id}
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/>
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</Row>
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<Row className={'text-black'}>
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<TruncatedComment
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comment={text}
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moreHref={groupPath(group.slug)}
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shouldTruncate={false}
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/>
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</Row>
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<Row>
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{!isCreatorsComment && onReplyClick && (
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<button
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className={
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'self-start py-1 text-xs font-bold text-gray-500 hover:underline'
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}
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onClick={() => onReplyClick(comment)}
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>
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Reply
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</button>
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)}
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{isCreatorsComment && sum(Object.values(tips)) > 0 && (
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<span className={'text-primary'}>
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{formatMoney(sum(Object.values(tips)))}
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</span>
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)}
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{!isCreatorsComment && <Tipper comment={comment} tips={tips} />}
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</Row>
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</Col>
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)
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})
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