Commit f8d06159 authored by Vincent Bechu's avatar Vincent Bechu

[util] Add base64toBlob function

parent 7abe77f8
......@@ -188,6 +188,34 @@
util.dataURItoBlob = dataURItoBlob;
function base64toBlob(b64Data, contentType, sliceSize) {
contentType = contentType || '';
sliceSize = sliceSize || 512;
var byteCharacters = window.atob(b64Data),
byteArrays = [],
slice,
byteArray,
byteNumbers = [],
offset,
i;
for (offset = 0; offset < byteCharacters.length; offset += sliceSize) {
slice = byteCharacters.slice(offset, offset + sliceSize);
for (i = 0; i < slice.length; i += 1) {
byteNumbers[i] = slice.charCodeAt(i);
}
byteArray = new Uint8Array(byteNumbers);
byteArrays.push(byteArray);
}
return new Blob(byteArrays, {type: contentType});
}
util.base64toBlob = base64toBlob;
// tools
function checkId(argument_list, storage, method_name) {
if (typeof argument_list[0] !== 'string' || argument_list[0] === '') {
......
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