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| dataURItoBlob(base64Data) {
let byteString;
if (base64Data.split(',')[0].indexOf('base64') >= 0) byteString = atob(base64Data.split(',')[1]);
else byteString = unescape(base64Data.split(',')[1]);
let mimeString = base64Data
.split(',')[0]
.split(':')[1]
.split(';')[0];
let ia = new Uint8Array(byteString.length);
for (let i = 0; i < byteString.length; i++) {
ia[i] = byteString.charCodeAt(i);
}
return new Blob([ia], { type: mimeString });
}
|