A proposal on refactoring https://github.com/angular/angular.js/blob/master/src/ngResource/resource.js#L480-L493 towards making jshint happy.

resource-style-refactor-proposal.js

if (action.isArray) {
  if (!angular.isArray(data)) {
    throw $resourceMinErr('badcfg', 'Error in resource configuration. Expected response to contain an array but got an object');
  }

  value.length = 0;
  forEach(data, function(item) {
    value.push(new Resource(item));
  });
} else {
  if (angular.isArray(data)) {
    throw $resourceMinErr('badcfg', 'Error in resource configuration. Expected response to contain an object but got an array');
  }

  copy(data, value);
  value.$promise = promise;
}