51 lines
1.5 KiB
TypeScript
51 lines
1.5 KiB
TypeScript
import QRCodeStyling from "qr-code-styling";
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import { useEffect, useRef } from "react";
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export interface QrCodeProps {
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data?: string,
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link?: string,
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avatar?: string,
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height?: number,
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width?: number
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}
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export default function QrCode(props: QrCodeProps) {
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const qrRef = useRef<HTMLDivElement>(null);
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useEffect(() => {
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if ((props.data?.length ?? 0) > 0 && qrRef.current) {
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let qr = new QRCodeStyling({
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width: props.width || 256,
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height: props.height || 256,
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data: props.data,
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margin: 5,
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type: 'canvas',
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image: props.avatar,
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dotsOptions: {
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type: 'rounded'
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},
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cornersSquareOptions: {
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type: 'extra-rounded'
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},
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imageOptions: {
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crossOrigin: "anonymous"
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}
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});
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qrRef.current.innerHTML = "";
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qr.append(qrRef.current);
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if (props.link) {
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qrRef.current.onclick = function (e) {
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let elm = document.createElement("a");
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elm.href = props.link!;
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elm.click();
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}
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}
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} else if (qrRef.current) {
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qrRef.current.innerHTML = "";
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}
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}, [props.data, props.link]);
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return (
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<div className="qr" ref={qrRef}></div>
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);
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} |