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