export function base64ToBlob(code) {
    let parts = code.split(';base64,')   let contentType = parts[0].split(':')[1]   let raw = window.atob(parts[1])   let rawLength = raw.length   let uInt8Array = new Uint8Array(rawLength)   for (let i = 0; i < rawLength; ++i) {
      uInt8Array[i] = raw.charCodeAt(i)   }   return new Blob([uInt8Array], { type: contentType }) }