AngularJS module "ngResourceWithDefaultUpdateAction" which add a default "update" action to every $resource.

$resource-with-default-update-action.js

angular.module('$resource-with-update-action', ['ngResource'], function($provide) {

  $provide.decorator('$resource', function($delegate) {

    var decoratedResourceFactory = function(url, paramDefaults, actions) {
      var actionsWithDefaultUpdateAction =
        angular.extend({}, { 'update': { method:'PUT' } }, actions);

      return $delegate(url, paramDefaults, actionsWithDefaultUpdateAction);
    };

    return decoratedResourceFactory;
  });
});