index.js
function(data) {
  return _.reduce(data, function(results, errors, filePath) {
    if (check(errors).is.not('empty')) {
      results[filePath] = errors;
    }
    return results;
  }, {});
}
function(data) {
  return _.reduce(data, function(results, errors, filePath) {
    if (check(errors).is.not('empty')) {
      results[filePath] = errors;
    }
    return results;
  }, {});
}
/*
compressResultData

Remove file paths without any linting errors from the overall linting results.