20230924-QR-Code

<QRCode

size={256}

style={{ height: "auto", maxWidth: "100%", width: "100%" }}

value={JSON.stringify(url)}

viewBox={`0 0 256 256`}

/>

import { Html5QrcodeScanner } from 'html5-qrcode';

import { useEffect } from 'react';

const qrcodeRegionId = "html5qr-code-full-region";

  

// Creates the configuration object for Html5QrcodeScanner.

const createConfig = (props) => {

let config = {};

if (props.fps) {

config.fps = props.fps;

}

if (props.qrbox) {

config.qrbox = props.qrbox;

}

if (props.aspectRatio) {

config.aspectRatio = props.aspectRatio;

}

if (props.disableFlip !== undefined) {

config.disableFlip = props.disableFlip;

}

return config;

};

  

const Html5QrcodePlugin = (props) => {

  

useEffect(() => {

// when component mounts

const config = createConfig(props);

const verbose = props.verbose === true;

// Suceess callback is required.

if (!(props.qrCodeSuccessCallback)) {

throw "qrCodeSuccessCallback is required callback.";

}

const html5QrcodeScanner = new Html5QrcodeScanner(qrcodeRegionId, config, verbose);

html5QrcodeScanner.render(props.qrCodeSuccessCallback, props.qrCodeErrorCallback);

  

// cleanup function when component will unmount

return () => {

html5QrcodeScanner.clear().catch(error => {

console.error("Failed to clear html5QrcodeScanner. ", error);

});

};

}, []);

  

return (

<div id={qrcodeRegionId} />

);

};

  

export default Html5QrcodePlugin;

import Html5QrcodePlugin from "@/components/Html5QrcodePlugin"
<Html5QrcodePlugin

fps={10}

qrbox={256}

disableFlip={false}

qrCodeSuccessCallback={(_results: string) => onScanSuccess(_results)}

/>