37 lines
1.3 KiB
TypeScript
37 lines
1.3 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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if (!divRef.current) return
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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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divRef.current.innerHTML = qr.createSvgTag({
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scalable: true,
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});
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});
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return <div style={{ width: '100%', display: 'flex', flexDirection: 'column', alignItems: 'center' }}>
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<div style={{ width: '50%', minWidth: 200, maxWidth: 300 }} ref={divRef} />
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</div>;
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}
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