filereader.js

    chrome.runtime.getPackageDirectoryEntry(function (dir) {
      window.dir = dir;

      console.log(dir)

      dir.getFile('version.txt', {}, function (fe) {

        /**
         * @var File file
         */
        fe.file(function (file) {

          if (file.lastModified > lastModified) {
            chrome.runtime.reload();
          }
          
          //var lastModified = file.lastModified;
          //console.log(lastModified)

          //var reader = new FileReader();
          //reader.onloadend = function (e) {
          //  //var txtArea = document.createElement('textarea');
          //  //txtArea.value = this.result;
          //  //document.body.appendChild(txtArea);
          //  console.log(this.result)
          //};
          //
          //var gg = reader.readAsText(file);
          //console.log('gg', gg)
          //

        }, null);
      })



      
    })