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Message, MessageContent } from "@/components/ui/message" import { MessageScroller, MessageScrollerButton, MessageScrollerContent, MessageScrollerItem, MessageScrollerProvider, MessageScrollerViewport, } from "@/components/ui/message-scroller" import { Select, SelectContent, SelectGroup, SelectItem, SelectTrigger, SelectValue, } from "@/components/ui/select" import { Tooltip, TooltipContent, TooltipTrigger, } from "@/components/ui/tooltip" // third party import { motion } from "framer-motion" // assets import { ArrowUpIcon, RotateCwIcon } from "lucide-react" // constants const animationPresets = { fade: { label: "Fade", initial: { opacity: 0 }, animate: { opacity: 1 }, transition: { duration: 0.2, ease: "easeOut" as const }, }, "slide-up": { label: "Slide Up", initial: { opacity: 0, y: 16 }, animate: { opacity: 1, y: 0 }, transition: { duration: 0.24, ease: "easeOut" as const }, }, "slide-side": { label: "Slide Side", initial: { opacity: 0, x: 16 }, animate: { opacity: 1, x: 0 }, transition: { duration: 0.24, ease: "easeOut" as const }, }, pop: { label: "Pop", initial: { opacity: 0, scale: 0.96, y: 8 }, animate: { opacity: 1, scale: 1, y: 0 }, transition: { duration: 0.22, ease: "easeOut" as const }, }, "spring-bounce": { label: "Spring Bounce", initial: { opacity: 0, y: 16, scale: 0.98 }, animate: { opacity: 1, y: 0, scale: 1 }, transition: { type: "spring", stiffness: 450, damping: 30, mass: 0.55 }, }, "blur-fade": { label: "Blur Fade", initial: { opacity: 0, filter: "blur(10px)" }, animate: { opacity: 1, filter: "blur(0px)" }, transition: { duration: 0.26, ease: "easeOut" as const }, }, "scale-fade": { label: "Scale Fade", initial: { opacity: 0, scale: 0.96 }, animate: { opacity: 1, scale: 1 }, transition: { duration: 0.22, ease: "easeOut" as const }, }, } as const type AnimationPreset = keyof typeof animationPresets type AnimationPresetConfig = (typeof animationPresets)[AnimationPreset] const animationPresetEntries = Object.entries(animationPresets) as [ AnimationPreset, AnimationPresetConfig, ][] type DemoMessage = { id: string role: "assistant" | "user" text: string preset: AnimationPreset } const initialMessages: DemoMessage[] = [ { id: "animating-1", role: "assistant", text: "New messages animate into the transcript while the scroller keeps the live edge in view.", preset: "fade", }, { id: "animating-2", role: "user", text: "I want to see animating message options in the scroller demo.", preset: "spring-bounce", }, ] const defaultMessageText: Record = { fade: "This preset fades the new row into the transcript more gently.", "slide-up": "This preset slides the new message up from below while fading in.", "slide-side": "This preset slides the new message in from the side.", pop: "This preset makes the incoming row feel bouncy and lively.", "spring-bounce": "This preset uses a spring bounce for a tactile entrance.", "blur-fade": "This preset fades the message in while clearing a blur effect.", "scale-fade": "This preset scales the message in while fading it.", } const AnimatedMessage = memo(function AnimatedMessage({ message, anchor, }: { message: DemoMessage anchor: boolean }) { const preset = animationPresets[message.preset] const isUser = message.role === "user" return ( {message.text} ) }) // ------------------------------ | MESSAGE SCROLLER - ANIMATING | ------------------------------ // export function MessageScrollerAnimating() { const [messages, setMessages] = useState(initialMessages) const [preset, setPreset] = useState("fade") const [draft, setDraft] = useState("") const nextRole: DemoMessage["role"] = messages[messages.length - 1]?.role === "user" ? "assistant" : "user" const messageRows = useMemo( () => messages.map((message) => ( )), [messages] ) const handleSend = () => { const text = draft.trim() || defaultMessageText[preset] const nextMessage: DemoMessage = { id: `${nextRole}-${Date.now()}`, role: nextRole, text, preset, } setMessages((current) => [...current, nextMessage]) setDraft("") } const resetDemo = () => { setMessages(initialMessages) setDraft("") } return (

Animation Choose how user messages are animated when they are added to the conversation.

} /> Reset {messageRows}

Select an animation then click send to see it in action.

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Message Scroller Animatinng

Installation

Files

@components

Styles