4c:I[707087,["/_next/static/immutable/chunks/3arlv5bvukoo2.js","/_next/static/immutable/chunks/39v64hmfyo-sr.js","/_next/static/immutable/chunks/2nvof3-29tvc3.js","/_next/static/immutable/chunks/3tjobt77z_9dj.js","/_next/static/immutable/chunks/3upr08c9vtj8w.js","/_next/static/immutable/chunks/2rwy6tq861e-y.js","/_next/static/immutable/chunks/2xxcqy6ppds3l.js","/_next/static/immutable/chunks/2hlz_ivp-qrnh.js","/_next/static/immutable/chunks/0p6vao205o1jc.js","/_next/static/immutable/chunks/11mfl5ymqld9-.js","/_next/static/immutable/chunks/2zoahorp76dll.js","/_next/static/immutable/chunks/1ww0328si-u8x.js","/_next/static/immutable/chunks/1_kyvgkyokw92.js","/_next/static/immutable/chunks/1d0aij627lbx2.js","/_next/static/immutable/chunks/1ud4fi_ghnsx-.js"],"RegistryDependencies"] 4d:I[314491,["/_next/static/immutable/chunks/3arlv5bvukoo2.js","/_next/static/immutable/chunks/39v64hmfyo-sr.js","/_next/static/immutable/chunks/2nvof3-29tvc3.js","/_next/static/immutable/chunks/3tjobt77z_9dj.js","/_next/static/immutable/chunks/3upr08c9vtj8w.js","/_next/static/immutable/chunks/2rwy6tq861e-y.js","/_next/static/immutable/chunks/2xxcqy6ppds3l.js","/_next/static/immutable/chunks/2hlz_ivp-qrnh.js","/_next/static/immutable/chunks/0p6vao205o1jc.js","/_next/static/immutable/chunks/11mfl5ymqld9-.js","/_next/static/immutable/chunks/2zoahorp76dll.js","/_next/static/immutable/chunks/1ww0328si-u8x.js","/_next/static/immutable/chunks/1_kyvgkyokw92.js","/_next/static/immutable/chunks/1d0aij627lbx2.js","/_next/static/immutable/chunks/1ud4fi_ghnsx-.js"],"FilesView"] 4e:T11e5,"use client" import * as React from "react" import { ArrowDown } from "lucide-react" import { cn } from "@/lib/utils" export type ConversationProps = React.HTMLAttributes & { stickToBottom?: boolean threshold?: number jumpLabel?: string showJumpButton?: boolean onFollowChange?: (following: boolean) => void } /** How close to the bottom still counts as "reading the latest message". */ const DEFAULT_THRESHOLD = 48 export function Conversation({ stickToBottom = true, threshold = DEFAULT_THRESHOLD, jumpLabel = "Jump to latest", showJumpButton = true, onFollowChange, children, className, ...rootProps }: ConversationProps) { const viewportRef = React.useRef(null) const contentRef = React.useRef(null) const [following, setFollowing] = React.useState(stickToBottom) const [above, setAbove] = React.useState(false) const report = React.useRef(onFollowChange) React.useEffect(() => { report.current = onFollowChange }) const atBottom = React.useCallback(() => { const viewport = viewportRef.current if (!viewport) return true const distance = viewport.scrollHeight - viewport.scrollTop - viewport.clientHeight return distance <= threshold }, [threshold]) const scrollToBottom = React.useCallback((behavior: ScrollBehavior) => { const viewport = viewportRef.current if (!viewport) return viewport.scrollTo({ top: viewport.scrollHeight, behavior }) }, []) // Following is driven by where the reader is, so it is only ever changed // from a scroll event or a resize, never during render. React.useEffect(() => { const viewport = viewportRef.current if (!viewport) return const onScroll = () => { setAbove(viewport.scrollTop > 1) if (!stickToBottom) return const next = atBottom() setFollowing((current) => { if (current === next) return current report.current?.(next) return next }) } viewport.addEventListener("scroll", onScroll, { passive: true }) return () => viewport.removeEventListener("scroll", onScroll) }, [stickToBottom, atBottom]) // New content arrives constantly while a reply streams, so follow the // bottom only while the reader has not scrolled away from it. React.useEffect(() => { const content = contentRef.current if (!content || !stickToBottom) return const observer = new ResizeObserver(() => { if (!following) return scrollToBottom("auto") }) observer.observe(content) return () => observer.disconnect() }, [stickToBottom, following, scrollToBottom]) const jump = () => { setFollowing(true) report.current?.(true) scrollToBottom("smooth") } return (

{children}

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