NamH bb47d6869d
perf: remove unnecessary rerender when user typing input (#1818)
Co-authored-by: Faisal Amir <urmauur@gmail.com>
2024-01-29 13:53:18 +07:00

116 lines
3.7 KiB
TypeScript

import { Fragment } from 'react'
import ScrollToBottom from 'react-scroll-to-bottom'
import { InferenceEngine, MessageStatus } from '@janhq/core'
import { Button } from '@janhq/uikit'
import { useAtomValue } from 'jotai'
import LogoMark from '@/containers/Brand/Logo/Mark'
import GenerateResponse from '@/containers/Loader/GenerateResponse'
import { MainViewState } from '@/constants/screens'
import { activeModelAtom } from '@/hooks/useActiveModel'
import { useGetDownloadedModels } from '@/hooks/useGetDownloadedModels'
import useInference from '@/hooks/useInference'
import { useMainViewState } from '@/hooks/useMainViewState'
import ChatItem from '../ChatItem'
import ErrorMessage from '../ErrorMessage'
import { getCurrentChatMessagesAtom } from '@/helpers/atoms/ChatMessage.atom'
const ChatBody: React.FC = () => {
const messages = useAtomValue(getCurrentChatMessagesAtom)
const activeModel = useAtomValue(activeModelAtom)
const { downloadedModels } = useGetDownloadedModels()
const { setMainViewState } = useMainViewState()
const { isGeneratingResponse } = useInference()
if (downloadedModels.length === 0)
return (
<div className="mx-auto flex h-full w-3/4 flex-col items-center justify-center text-center">
<LogoMark
className="mx-auto mb-4 animate-wave"
width={56}
height={56}
/>
<h1 className="text-2xl font-bold">Welcome!</h1>
<p className="mt-1 text-base">You need to download your first model</p>
<Button
className="mt-4"
onClick={() => setMainViewState(MainViewState.Hub)}
>
Explore The Hub
</Button>
</div>
)
const showOnboardingStep =
downloadedModels.filter((e) => e.engine === InferenceEngine.nitro)
.length === 0
return (
<Fragment>
{messages.length === 0 ? (
<div className="mx-auto flex h-full w-3/4 flex-col items-center justify-center text-center">
<LogoMark
className="mx-auto mb-4 animate-wave"
width={56}
height={56}
/>
{showOnboardingStep ? (
<>
<p className="mt-1 text-base font-medium">
{`You don't have a local model yet.`}
</p>
<div className="w-auto px-4 py-2">
<Button
block
className="bg-blue-100 font-bold text-blue-600 hover:bg-blue-100 hover:text-blue-600"
onClick={() => setMainViewState(MainViewState.Hub)}
>
Explore The Hub
</Button>
</div>
</>
) : (
<p className="mt-1 text-base font-medium">How can I help you?</p>
)}
</div>
) : (
<ScrollToBottom className="flex h-full w-full flex-col">
{messages.map((message, index) => (
<div key={message.id}>
{(message.status !== MessageStatus.Pending ||
message.content.length > 0) && (
<ChatItem {...message} key={message.id} />
)}
{(message.status === MessageStatus.Error ||
message.status === MessageStatus.Stopped) &&
index === messages.length - 1 && (
<ErrorMessage message={message} />
)}
</div>
))}
{activeModel &&
(isGeneratingResponse ||
(messages.length &&
messages[messages.length - 1].status ===
MessageStatus.Pending &&
!messages[messages.length - 1].content.length)) && (
<GenerateResponse />
)}
</ScrollToBottom>
)}
</Fragment>
)
}
export default ChatBody