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tomek-f/getImageSizeFromBlob.js

Created June 10, 2020 15:42
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getImageSizeFromBlob.js
const { height, width } = await new Promise(resolve => {
const fr = new FileReader();
fr.onload = () => {
const img = new Image();
img.onload = () => {
resolve({ width: img.width, height: img.height });
};
img.src = fr.result;
};
fr.readAsDataURL(file);
});
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