Perplexica/ui/components/MessageInput.tsx

99 lines
3.7 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 inputReference = useRef<HTMLTextAreaElement | null>(null);
const handleKeyDown = (e: KeyboardEvent) => {
if (e.key === "/") {
e.preventDefault();
inputReference.current?.focus();
}
};
useEffect(() => {
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={inputReference}
value={message}
onChange={e => setMessage(e.target.value)}
onHeightChange={(height, properties) => {
setTextareaRows(Math.ceil(height / properties.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;