testacular-watcher.js

exports.watch = function(patterns, excludes, fileList, watchEvents) {
  var options = {
    ignorePermissionErrors: true,
    ignored: createIgnore(excludes)
  };
  var chokidarWatcher = new chokidar.FSWatcher(options);

  watchPatterns(patterns, chokidarWatcher);

  var bind = function(fn) {
    return function(path) {
      return fn.call(fileList, helper.normalizeWinPath(path));
    };
  };

  var watchEventToHandler = {
    'add':    bind.call(null, fileList.addFile),
    'change': bind.call(null, fileList.changeFile),
    'unlink': bind.call(null, fileList.removeFile)
  };

  // register events
  watchEvents.forEach(function(eventName) {
    chokidarWatcher.on(eventName, watchEventToHandler[eventName]);
  });

  // register events
  // chokidarWatcher.on(constant.FILE_ADD, bind(fileList.addFile))
  //                .on(constant.FILE_CHANGE, bind(fileList.changeFile))
  //                .on(constant.FILE_UNLINK, bind(fileList.removeFile));

  return chokidarWatcher;
};