function(data) {
    if (this.app) {
      data._app = this.app;
    }
    if (this.model) {
      data._model = this.model;
    }
    if (this.collection) {
      data._collection = this.collection;
    }
    data._view = this;
    return data;
  }
function(data) {
    if (this.app) {
      data._app = this.app;
    }
    if (this.model) {
      data._model = this.model;
    }
    if (this.collection) {
      data._collection = this.collection;
    }
    data._view = this;
    return data;
  }
function ( data ) { if ( this . app ) { data . _app = this . app ; } if ( this . model ) { data . _model = this . model ; } if ( this . collection ) { data . _collection = this . collection ; } data . _view = this ; return data ; }
Add special properties `_app` and `_model` or `_collection` to pass to
the templates.
Add special properties _app and _model or _collection to pass to the templates .