Returns the basename of a feature file minus its extension (for client side/browser)

basename.js

var FEATURE_FILE_EXTENSION = /\.feature$/;

function featureFileBasenameWithoutExtension(featureFilePath) {
  var lastDirectoryIndex = featureFilePath.lastIndexOf('/')
  var filenameIndex = lastDirectoryIndex > -1 ? lastDirectoryIndex + 1 : 0;
  var filename = featureFilePath.substring(filenameIndex);

  return filename.replace(FEATURE_FILE_EXTENSION, '');
}

var trial1 = featureFileBasenameWithoutExtension('features/tasty/my_New_FEATure_file.feature.feature');
var trial2 = featureFileBasenameWithoutExtension('ben.feature');
var trial3 = featureFileBasenameWithoutExtension('features/tasty/bobby.feature.feature');

console.log(trial1);
console.log(trial2);
console.log(trial3);