face-api/build/dom/bufferToImage.js

import { env } from '../env';
export function bufferToImage(buf) {
    return new Promise((resolve, reject) => {
        if (!(buf instanceof Blob)) {
            return reject('bufferToImage - expected buf to be of type: Blob');
        }
        const reader = new FileReader();
        reader.onload = () => {
            if (typeof reader.result !== 'string') {
                return reject('bufferToImage - expected reader.result to be a string, in onload');
            }
            const img = env.getEnv().createImageElement();
            img.onload = () => resolve(img);
            img.onerror = reject;
            img.src = reader.result;
        };
        reader.onerror = reject;
        reader.readAsDataURL(buf);
    });
}
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