[nodejs] Trigger the event loop to be processed

[Fredrik O]

I need to call a function synchronously which trigger the event loop to be 
processed before the function returns. Pseudo code:


require('fs').exists('file', function() {
   // This function should be fired even for the while-loop below
});

while(true) {
  runEventLoop();  // process the eventloop, so all asynchronous tasks will 
be run anyway
}


Is there any inbuilt function for that?


Thanks in advance!

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