The Tor Browser / file diff

     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/addon-sdk/source/lib/sdk/model/core.js	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,25 @@
     1.4 +/* This Source Code Form is subject to the terms of the Mozilla Public
     1.5 + * License, v. 2.0. If a copy of the MPL was not distributed with this
     1.6 + * file, You can obtain one at http://mozilla.org/MPL/2.0/.
     1.7 + */
     1.8 +
     1.9 +"use strict";
    1.10 +
    1.11 +module.metadata = {
    1.12 +  "stability": "unstable"
    1.13 +};
    1.14 +
    1.15 +const { dispatcher } = require("../util/dispatcher");
    1.16 +
    1.17 +
    1.18 +// Define `modelFor` accessor function that can be implemented
    1.19 +// for different types of views. Since view's we'll be dealing
    1.20 +// with types that don't really play well with `instanceof`
    1.21 +// operator we're gonig to use `dispatcher` that is slight
    1.22 +// extension over polymorphic dispatch provided by method.
    1.23 +// This allows models to extend implementations of this by
    1.24 +// providing predicates:
    1.25 +//
    1.26 +// modelFor.when($ => $ && $.nodeName === "tab", findTabById($.id))
    1.27 +const modelFor = dispatcher("modelFor");
    1.28 +exports.modelFor = modelFor;