/**
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* @description: base64 to blob
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*/
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export function dataURLtoBlob(base64Buf: string): Blob {
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const arr: any = base64Buf.split(',');
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const typeItem: any = arr[0];
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const mime = typeItem.match(/:(.*?);/)![1];
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const bstr = window.atob(arr[1]);
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let n = bstr.length;
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const u8arr = new Uint8Array(n);
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while (n--) {
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u8arr[n] = bstr.codePointAt(n) as any;
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}
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return new Blob([u8arr], { type: mime });
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}
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