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/*
This file is part of GNU Taler
(C) 2021 Taler Systems S.A.
GNU Taler is free software; you can redistribute it and/or modify it under the
terms of the GNU General Public License as published by the Free Software
Foundation; either version 3, or (at your option) any later version.
GNU Taler is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
A PARTICULAR PURPOSE. See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License along with
GNU Taler; see the file COPYING. If not, see <http://www.gnu.org/licenses/>
*/
import { h, VNode } from "preact";
import { useEffect, useRef } from "preact/hooks";
import qrcode from "qrcode-generator";
export function QR({ text }: { text: string; }):VNode {
const divRef = useRef<HTMLDivElement>(null);
useEffect(() => {
if (!divRef.current) return
const qr = qrcode(0, 'L');
qr.addData(text);
qr.make();
divRef.current.innerHTML = qr.createSvgTag({
scalable: true,
});
});
return <div style={{ width: '100%', display: 'flex', flexDirection: 'column', alignItems: 'center' }}>
<div style={{ width: '50%', minWidth: 200, maxWidth: 300 }} ref={divRef} />
</div>;
}
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