added some logging messages

1 files changed, 35 insertions, 0 deletions

diff --git a/packages/anastasis-webui/src/components/QR.tsx b/packages/anastasis-webui/src/components/QR.tsx
new file mode 100644
index 000000000..48f1a7c12
--- /dev/null
+++ b/packages/anastasis-webui/src/components/QR.tsx
@@ -0,0 +1,35 @@
+/*
+ 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(() => {
+    const qr = qrcode(0, 'L');
+    qr.addData(text);
+    qr.make();
+    if (divRef.current) 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>;
+}