liudong
2023-05-29 340f156319b863525e50e900c58e59b86ecb3d5e
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"use strict";
 
var Event = require("./event");
 
function ProgressEvent(type, progressEventRaw, target) {
    this.initEvent(type, false, false, target);
    this.loaded =
        typeof progressEventRaw.loaded === "number"
            ? progressEventRaw.loaded
            : null;
    this.total =
        typeof progressEventRaw.total === "number"
            ? progressEventRaw.total
            : null;
    this.lengthComputable = Boolean(progressEventRaw.total);
}
 
ProgressEvent.prototype = new Event();
 
ProgressEvent.prototype.constructor = ProgressEvent;
 
module.exports = ProgressEvent;