From 3e060b80428943c6562250a6ff77eff10a0259b7 Mon Sep 17 00:00:00 2001 From: Florian Dold Date: Mon, 24 Oct 2022 10:46:14 +0200 Subject: repo: integrate packages from former merchant-backoffice.git --- packages/merchant-backend-ui/src/components/QR.tsx | 41 ++++++++++++++++++++++ 1 file changed, 41 insertions(+) create mode 100644 packages/merchant-backend-ui/src/components/QR.tsx (limited to 'packages/merchant-backend-ui/src/components/QR.tsx') diff --git a/packages/merchant-backend-ui/src/components/QR.tsx b/packages/merchant-backend-ui/src/components/QR.tsx new file mode 100644 index 000000000..29c9920bf --- /dev/null +++ b/packages/merchant-backend-ui/src/components/QR.tsx @@ -0,0 +1,41 @@ +/* + 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 + */ + + import { h, VNode } from "preact"; + import { useEffect, useRef } from "preact/hooks"; + import qrcode from "qrcode-generator"; + +export function createSVG(text:string):string { + const qr = qrcode(0, 'L'); + qr.addData(text); + qr.make(); + return qr.createSvgTag({ + scalable: true, + margin: 0 + }); +} + + export function QR({ text }: { text: string; }):VNode { + const divRef = useRef(null); + useEffect(() => { + divRef.current.innerHTML = createSVG(text) + }); + + return
+
+
; + } + \ No newline at end of file -- cgit v1.2.3