perplexica/ui/components/MessageInput.tsx

119 lines
4.0 KiB
TypeScript

import { cn } from '@/lib/utils';
import { ArrowUp } from 'lucide-react';
import { useEffect, useRef, useState } from 'react';
import TextareaAutosize from 'react-textarea-autosize';
import Attach from './MessageInputActions/Attach';
import CopilotToggle from './MessageInputActions/Copilot';
const MessageInput = ({
sendMessage,
loading,
}: {
sendMessage: (message: string) => void;
loading: boolean;
}) => {
const [copilotEnabled, setCopilotEnabled] = useState(false);
const [message, setMessage] = useState('');
const [textareaRows, setTextareaRows] = useState(1);
const [mode, setMode] = useState<'multi' | 'single'>('single');
useEffect(() => {
if (textareaRows >= 2 && message && mode === 'single') {
setMode('multi');
} else if (!message && mode === 'multi') {
setMode('single');
}
}, [textareaRows, mode, message]);
const inputRef = useRef<HTMLTextAreaElement | null>(null);
useEffect(() => {
const handleKeyDown = (e: KeyboardEvent) => {
const activeElement = document.activeElement;
const isInputFocused =
activeElement?.tagName === 'INPUT' ||
activeElement?.tagName === 'TEXTAREA' ||
activeElement?.hasAttribute('contenteditable');
if (e.key === '/' && !isInputFocused) {
e.preventDefault();
inputRef.current?.focus();
}
};
document.addEventListener('keydown', handleKeyDown);
return () => {
document.removeEventListener('keydown', handleKeyDown);
};
}, []);
return (
<form
onSubmit={(e) => {
if (loading) return;
e.preventDefault();
sendMessage(message);
setMessage('');
}}
onKeyDown={(e) => {
if (e.key === 'Enter' && !e.shiftKey && !loading) {
e.preventDefault();
sendMessage(message);
setMessage('');
}
}}
className={cn(
'bg-light-secondary dark:bg-dark-secondary p-4 flex items-center overflow-hidden border border-light-200 dark:border-dark-200',
mode === 'multi' ? 'flex-col rounded-lg' : 'flex-row rounded-full',
)}
>
{mode === 'single' && <Attach />}
<TextareaAutosize
ref={inputRef}
value={message}
onChange={(e) => setMessage(e.target.value)}
onHeightChange={(height, props) => {
setTextareaRows(Math.ceil(height / props.rowHeight));
}}
className="transition bg-transparent dark:placeholder:text-white/50 placeholder:text-sm text-sm dark:text-white resize-none focus:outline-none w-full px-2 max-h-24 lg:max-h-36 xl:max-h-48 flex-grow flex-shrink"
placeholder="Ask a follow-up"
/>
{mode === 'single' && (
<div className="flex flex-row items-center space-x-4">
<CopilotToggle
copilotEnabled={copilotEnabled}
setCopilotEnabled={setCopilotEnabled}
/>
<button
disabled={message.trim().length === 0 || loading}
className="bg-[#24A0ED] text-white disabled:text-black/50 dark:disabled:text-white/50 hover:bg-opacity-85 transition duration-100 disabled:bg-[#e0e0dc79] dark:disabled:bg-[#ececec21] rounded-full p-2"
>
<ArrowUp className="bg-background" size={17} />
</button>
</div>
)}
{mode === 'multi' && (
<div className="flex flex-row items-center justify-between w-full pt-2">
<Attach />
<div className="flex flex-row items-center space-x-4">
<CopilotToggle
copilotEnabled={copilotEnabled}
setCopilotEnabled={setCopilotEnabled}
/>
<button
disabled={message.trim().length === 0 || loading}
className="bg-[#24A0ED] text-white text-black/50 dark:disabled:text-white/50 hover:bg-opacity-85 transition duration-100 disabled:bg-[#e0e0dc79] dark:disabled:bg-[#ececec21] rounded-full p-2"
>
<ArrowUp className="bg-background" size={17} />
</button>
</div>
</div>
)}
</form>
);
};
export default MessageInput;