用于responseType arraybuffer的xmlHttpRequest GET在电子中获得空响应

Question

I am using electron version 1.7.9. I need to download a zip file in my app. Following code is used for the same.

  var urlFetch = <path to the zip file I want to download> var xhr = new XMLHttpRequest(); xhr.open('GET', urlFetch, true); xhr.responseType = "arraybuffer"; xhr.onloadend = function () { var status = xhr.status; if (status == 200) { if (undefined !== xhr.response) { successCallback(xhr.response); } else { failureCallback(); } } else { console.error("Failed to fetch " + urlFetch + ", status - " + status); failureCallback(); } }; xhr.send(); 

On Windows 10 as well as on MacOs HighSierra, this code always gets undefined xhr.response in spite of status being 200.

xhr.responseText is populated with string, but what I need is the binary data of the zip file that I can use to store into a file for further use.

I have also tried adding following, but with no success.

 xhr.setRequestHeader("Content-Type", "application/zip"); 

Is there anything missing in the way I am coding or is this a bug in electron/chrome etc.?

The same code works perfectly outside of electron in a stand alone HTML.

Answer 1

The problem was with the node js module xmlHttpRequest which was included. Things started working when I removed this module. I was not able to see the XHR requests in the "network" tab of dev tools in my electron app. After removing the module, I can now see the requests and things work as desired.