export class FileHelpers {
    static base64ToFile(base64: string, filename: string): File {
        const arr = base64.split(',');
        const match = arr[0].match(/:(.*?);/);
        const mime = match ? match[1] : '';
        const binaryString = atob(arr[1]);
        let length = binaryString.length;
        const u8arr = new Uint8Array(length);

        while (length--) u8arr[length] = binaryString.charCodeAt(length);

        return new File([u8arr], filename, { type: mime });
    }
}