@geogirafe/lib-geoportal/tools/utils/qrcode.js

GeoGirafe is a flexible application to build online geoportals.

// SPDX-License-Identifier: Apache-2.0
import QRCodeStyling from 'qr-code-styling';
export async function generateQrCode(url) {
    const qrcode = new QRCodeStyling({
        width: 300,
        height: 300,
        type: 'svg',
        data: url,
        image: 'images/logo/logo_icon.svg',
        dotsOptions: {
            color: '#575757ff',
            type: 'rounded',
            roundSize: true
        },
        backgroundOptions: {
            color: '#e9ebee'
        },
        imageOptions: {
            crossOrigin: 'anonymous',
            margin: 6,
            imageSize: 0.4
        }
    });
    const blob = (await qrcode.getRawData('svg'));
    const base64 = await blobToBase64(blob);
    return `data:${blob.type};base64,${base64}`;
}
async function blobToBase64(blob) {
    const buffer = await blob.arrayBuffer();
    const base64String = btoa(new Uint8Array(buffer).reduce((data, byte) => data + String.fromCodePoint(byte), ''));
    return base64String;
}