stacker.news/components/comment.js

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JavaScript
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import itemStyles from './item.module.css'
import styles from './comment.module.css'
import Text from './text'
import Link from 'next/link'
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import Reply, { ReplyOnAnotherPage } from './reply'
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import { useEffect, useRef, useState } from 'react'
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import { timeSince } from '../lib/time'
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import UpVote from './upvote'
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import Eye from '../svgs/eye-fill.svg'
import EyeClose from '../svgs/eye-close-line.svg'
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import { useRouter } from 'next/router'
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import CommentEdit from './comment-edit'
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import Countdown from './countdown'
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import { COMMENT_DEPTH_LIMIT, NOFOLLOW_LIMIT } from '../lib/constants'
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import { ignoreClick } from '../lib/clicks'
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function Parent ({ item, rootText }) {
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const ParentFrag = () => (
<>
<span> \ </span>
<Link href={`/items/${item.parentId}`} passHref>
<a className='text-reset'>parent</a>
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</Link>
</>
)
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if (!item.root) {
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return <ParentFrag />
}
return (
<>
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{Number(item.root.id) !== Number(item.parentId) && <ParentFrag />}
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<span> \ </span>
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<Link href={`/items/${item.root.id}`} passHref>
<a className='text-reset'>{rootText || 'on:'} {item.root.title}</a>
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</Link>
</>
)
}
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const truncateString = (string = '', maxLength = 140) =>
string.length > maxLength
? `${string.substring(0, maxLength)} […]`
: string
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export function CommentFlat ({ item, ...props }) {
const router = useRouter()
return (
<div
className='clickToContext py-2'
onClick={e => {
if (ignoreClick(e)) {
return
}
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if (item.path.split('.').length > COMMENT_DEPTH_LIMIT + 1) {
router.push({
pathname: '/items/[id]',
query: { id: item.parentId, commentId: item.id }
}, `/items/${item.parentId}`)
} else {
router.push({
pathname: '/items/[id]',
query: { id: item.root.id, commentId: item.id }
}, `/items/${item.root.id}`)
}
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}}
>
<Comment item={item} {...props} />
</div>
)
}
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export default function Comment ({
item, children, replyOpen, includeParent,
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rootText, noComments, noReply, truncate, depth
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}) {
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const [edit, setEdit] = useState()
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const [collapse, setCollapse] = useState(false)
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const ref = useRef(null)
const router = useRouter()
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const mine = item.mine
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const editThreshold = new Date(item.createdAt).getTime() + 10 * 60000
const [canEdit, setCanEdit] =
useState(mine && (Date.now() < editThreshold))
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useEffect(() => {
if (Number(router.query.commentId) === Number(item.id)) {
ref.current.scrollIntoView()
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ref.current.classList.add('flash-it')
router.replace({
pathname: router.pathname,
query: { id: router.query.id }
}, undefined, { scroll: false })
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}
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setCollapse(localStorage.getItem(`commentCollapse:${item.id}`))
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}, [item])
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const bottomedOut = depth === COMMENT_DEPTH_LIMIT
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const op = item.root?.user.name === item.user.name
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return (
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<div
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ref={ref} className={includeParent ? '' : `${styles.comment} ${collapse ? styles.collapsed : ''}`}
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>
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<div className={`${itemStyles.item} ${styles.item}`}>
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<UpVote item={item} className={styles.upvote} />
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<div className={`${itemStyles.hunk} ${styles.hunk}`}>
<div className='d-flex align-items-center'>
<div className={`${itemStyles.other} ${styles.other}`}>
<span title={`from ${item.upvotes} users (${item.meSats} from me)`}>{item.sats} sats</span>
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<span> \ </span>
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{item.boost > 0 &&
<>
<span>{item.boost} boost</span>
<span> \ </span>
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</>}
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<Link href={`/items/${item.id}`} passHref>
<a className='text-reset'>{item.ncomments} replies</a>
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</Link>
<span> \ </span>
<Link href={`/${item.user.name}`} passHref>
<a>@{item.user.name}<span className='text-boost font-weight-bold'>{op && ' OP'}</span></a>
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</Link>
<span> </span>
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<Link href={`/items/${item.id}`} passHref>
<a title={item.createdAt} className='text-reset'>{timeSince(new Date(item.createdAt))}</a>
</Link>
{includeParent && <Parent item={item} rootText={rootText} />}
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{canEdit &&
<>
<span> \ </span>
<div
className={styles.edit}
onClick={e => {
setEdit(!edit)
}}
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>
{edit ? 'cancel' : 'edit'}
<Countdown
date={editThreshold}
onComplete={() => {
setCanEdit(false)
}}
/>
</div>
</>}
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</div>
{!includeParent && (collapse
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? <Eye
className={styles.collapser} height={10} width={10} onClick={() => {
setCollapse(false)
localStorage.removeItem(`commentCollapse:${item.id}`)
}}
/>
: <EyeClose
className={styles.collapser} height={10} width={10} onClick={() => {
setCollapse(true)
localStorage.setItem(`commentCollapse:${item.id}`, 'yep')
}}
/>)}
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</div>
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{edit
? (
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<CommentEdit
comment={item}
onSuccess={() => {
setEdit(!edit)
setCanEdit(mine && (Date.now() < editThreshold))
}}
/>
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)
: (
<div className={styles.text}>
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<Text nofollow={item.sats + item.boost < NOFOLLOW_LIMIT}>
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{truncate ? truncateString(item.text) : item.searchText || item.text}
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</Text>
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</div>
)}
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</div>
</div>
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{bottomedOut
? <DepthLimit item={item} />
: (
<div className={`${styles.children}`}>
{!noReply &&
<Reply
depth={depth + 1} parentId={item.id} meComments={item.meComments} replyOpen={replyOpen}
/>}
{children}
<div className={`${styles.comments} ml-sm-1 ml-md-3`}>
{item.comments && !noComments
? item.comments.map((item) => (
<Comment depth={depth + 1} key={item.id} item={item} />
))
: null}
</div>
</div>
)}
</div>
)
}
function DepthLimit ({ item }) {
if (item.ncomments > 0) {
return (
<Link href={`/items/${item.id}`} passHref>
<a className='d-block p-3 font-weight-bold text-muted w-100 text-center'>view replies</a>
</Link>
)
}
return (
<div className={`${styles.children}`}>
<ReplyOnAnotherPage parentId={item.id} />
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</div>
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)
}
export function CommentSkeleton ({ skeletonChildren }) {
return (
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<div className={styles.comment}>
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<div className={`${itemStyles.item} ${itemStyles.skeleton} ${styles.item} ${styles.skeleton}`}>
<UpVote className={styles.upvote} />
<div className={`${itemStyles.hunk} ${styles.hunk}`}>
<div className={itemStyles.other}>
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<span className={`${itemStyles.otherItem} clouds`} />
<span className={`${itemStyles.otherItem} clouds`} />
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<span className={`${itemStyles.otherItem} clouds`} />
<span className={`${itemStyles.otherItem} ${itemStyles.otherItemLonger} clouds`} />
</div>
<div className={`${styles.text} clouds`} />
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</div>
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</div>
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<div className={`${itemStyles.children} ${styles.children} ${styles.skeleton}`}>
<div className={styles.replyPadder}>
<div className={`${itemStyles.other} ${styles.reply} clouds`} />
</div>
<div className={`${styles.comments} ml-sm-1 ml-md-3`}>
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{skeletonChildren
? <CommentSkeleton skeletonChildren={skeletonChildren - 1} />
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: null}
</div>
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</div>
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</div>
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)
}