cellsysArt/utils/utils.js

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JavaScript
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2025-01-03 09:52:13 +08:00
export function base64toFile(dataurl, filename = "file") {
let arr = dataurl.split(",");
let mime = arr[0].match(/:(.*?);/)[1];
let suffix = mime.split("/")[1];
let bstr = window.atob(arr[1]);
let n = bstr.length;
let u8arr = new Uint8Array(n);
while (n--) {
u8arr[n] = bstr.charCodeAt(n);
}
return new File([u8arr], `${filename}.${suffix}`, {
type: mime,
});
}