Convert SVG (data url) into PNG (data url) and scale it to the desired size.

svgToPng.js

/*
    EXAMPLE
    =======
    
    svgToPng(
        'data:image/svg+xml;base64,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',
        65,
        65
    )
    .then(console.log);
*/
const svgToPng = (svgDataurl, width, height) => new Promise((resolve, reject) => {
    let canvas;
    let ctx;
    let img;

    img = new Image();
    img.src= svgDataurl;
    img.onload = () => {
        canvas = document.createElement('canvas');
        canvas.width = img.width;
        canvas.height = img.height;
        ctx = canvas.getContext('2d');
        ctx.drawImage(img, 0, 0, img.width, img.height, 0, 0, width, height);

        img = new Image();
        img.src = canvas.toDataURL('image/png');
        img.onload = () => {
            canvas = document.createElement('canvas');
            canvas.width = width;
            canvas.height = height;
            ctx = canvas.getContext('2d');
            ctx.drawImage(img, 0, 0);
            resolve(canvas.toDataURL('image/png'));
        }
    };
});

Really helpful 👍

21 - canvas.width = img.width;
22 - canvas.height = img.height;
21 + canvas.width = width;
22 + canvas.height = height;