function _uploadFile(t, e, o, l) {
var i = new FormData;
i.append("file", uploadDataToBlob(t)), $.ajax({
url: "/upload",
type: "POST",
data: i,
cache: !1,
dataType: "json",
processData: !1,
contentType: !1,
xhr: function r() {
var r = new XMLHttpRequest;
return r.upload.addEventListener("progress", function (t) {
t.lengthComputable && e && e(t.loaded, t.total)
}), r
},
beforeSend: function (t) {
e && e(0, 1)
},
success: function (t) {
return t.error ? l && l(t.error) : void $.each(t, function (t, e) {
o && o(e)
})
},
error: function (t) {
return l && l("Network error")
}
})
}