61 lines
1.6 KiB
TypeScript
61 lines
1.6 KiB
TypeScript
"use client";
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import { useId, useState, type FormEvent, type KeyboardEvent } from "react";
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import { Send } from "lucide-react";
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import { Button } from "@/components/ui/button";
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export function ChatComposer({
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onSend,
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disabled = false,
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label = "Message",
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}: {
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onSend: (body: string) => void;
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disabled?: boolean;
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label?: string;
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}) {
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const [body, setBody] = useState("");
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const id = useId();
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const submit = (event?: FormEvent) => {
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event?.preventDefault();
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const text = body.trim();
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if (!text || disabled) return;
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onSend(text);
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setBody("");
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};
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const onKeyDown = (event: KeyboardEvent<HTMLTextAreaElement>) => {
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if (
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event.key === "Enter" &&
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!event.shiftKey &&
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!event.nativeEvent.isComposing
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) {
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event.preventDefault();
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submit();
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}
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};
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return (
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<form onSubmit={submit} className="flex items-end gap-2 border-t p-3">
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<label className="sr-only" htmlFor={id}>
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{label}
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</label>
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<textarea
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id={id}
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value={body}
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onChange={(event) => setBody(event.target.value)}
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onKeyDown={onKeyDown}
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disabled={disabled}
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maxLength={10000}
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rows={2}
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placeholder={`${label} (Enter to send, Shift+Enter for a new line)`}
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className="min-h-12 max-h-36 flex-1 resize-y rounded-md border border-input bg-background px-3 py-2 text-sm focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-ring disabled:opacity-50"
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/>
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<Button
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type="submit"
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disabled={disabled || !body.trim()}
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aria-label="Send message"
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>
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<Send aria-hidden="true" /> Send
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</Button>
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</form>
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);
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}
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