101 lines
2.9 KiB
TypeScript
101 lines
2.9 KiB
TypeScript
'use client';
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import ChatInput from '@/component/chat-input';
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import { useChat } from '@ai-sdk/react';
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import { DefaultChatTransport, UIMessage } from 'ai';
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type MyMessage = UIMessage<
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never,
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{
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weather: {
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city: string;
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weather: string;
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status: 'loading' | 'success';
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};
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}
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>;
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export default function Chat() {
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const { error, status, sendMessage, messages, regenerate, stop } =
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useChat<MyMessage>({
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transport: new DefaultChatTransport({
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api: '/api/use-chat-data-ui-parts',
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}),
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onData: dataPart => {
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console.log('dataPart', JSON.stringify(dataPart, null, 2));
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},
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});
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return (
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<div className="flex flex-col py-24 mx-auto w-full max-w-md stretch">
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{messages.map(message => (
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<div key={message.id} className="whitespace-pre-wrap">
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{message.role === 'user' ? 'User: ' : 'AI: '}{' '}
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{message.parts
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.filter(part => part.type === 'data-weather')
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.map((part, index) => (
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<span
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key={index}
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style={{
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border: '2px solid red',
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padding: '2px',
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borderRadius: '4px',
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display: 'inline-block',
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minWidth: '180px',
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}}
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>
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{part.data.status === 'loading' ? (
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<>
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Getting weather for <b>{part.data.city}</b>...
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</>
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) : part.data.status === 'success' ? (
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<>
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Weather in <b>{part.data.city}</b>:{' '}
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<b>{part.data.weather}</b>
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</>
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) : (
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<>Unknown weather state</>
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)}
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</span>
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))}
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{message.parts
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.filter(part => part.type !== 'data-weather')
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.map((part, index) => {
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if (part.type === 'text') {
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return <div key={index}>{part.text}</div>;
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}
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})}
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</div>
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))}
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{(status === 'submitted' || status === 'streaming') && (
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<div className="mt-4 text-gray-500">
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{status === 'submitted' && <div>Loading...</div>}
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<button
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type="button"
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className="px-4 py-2 mt-4 text-blue-500 rounded-md border border-blue-500"
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onClick={stop}
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>
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Stop
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</button>
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</div>
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)}
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{error && (
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<div className="mt-4">
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<div className="text-red-500">An error occurred.</div>
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<button
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type="button"
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className="px-4 py-2 mt-4 text-blue-500 rounded-md border border-blue-500"
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onClick={() => regenerate()}
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>
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Retry
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</button>
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</div>
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)}
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<ChatInput status={status} onSubmit={text => sendMessage({ text })} />
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</div>
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);
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}
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