MS Edge - readEntries() doesn't work

[Daniel Kln]

Hello everyone,

i want to traverse a file system like in following example: 

function traverse(entry, path) { 
  path = path || ""; 
  if (entry.isFile) { 
    // Get file 
    item.file(function(file) { 
      console.log("File:", path + file.name); 
    }); 
  } else if (entry.isDirectory) { 
    // Get folder contents 
    var dirReader = entry.createReader(); 
    dirReader.readEntries(function(entries) { 
      for (var i = 0; i < entries.length; i++) { 
        traverse(entries[i], path + entry.name + "/"); 
      } 
    }); 
  } 
} 

dropArea.addEventListener("drop", function(e) { 
  e.preventDefault(); 
  var items = event.dataTransfer.items; 
  for (var i = 0; i < items.length; i++) { 
    var entry = items[i].webkitGetAsEntry(); 
    if (entry) { 
      traverse(entry); 
    } 
  } 
}, false);


My problem is, that in MS Edge it doesn't work. the error callback just returns 
'unknown error'.
And i have really no idea why it is not working in MS Edge. FF and Chrome are 
ok. 

I am using GWT 2.7 --> an update to 2.8 is not possible because i have to use 
Java 6.

I really hope that anyone of you has any idea for me

Best Regards 

Daniel 

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