Large file upload with WebSocket

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Use web workers for large files processing instead doing it in main thread and upload chunks of file data using file.slice().

This article helps you to handle large files in workers. change XHR send to Websocket in main thread.

//Messages from worker
function onmessage(blobOrFile) {
 ws.send(blobOrFile);
}

//construct file on server side based on blob or chunk information.

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