The Tor Browser / file comparison
comparison: addon-sdk/source/lib/sdk/model/core.js
addon-sdk/source/lib/sdk/model/core.js
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| 1 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 2 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 3 * file, You can obtain one at http://mozilla.org/MPL/2.0/. | |
| 4 */ | |
| 5 | |
| 6 "use strict"; | |
| 7 | |
| 8 module.metadata = { | |
| 9 "stability": "unstable" | |
| 10 }; | |
| 11 | |
| 12 const { dispatcher } = require("../util/dispatcher"); | |
| 13 | |
| 14 | |
| 15 // Define `modelFor` accessor function that can be implemented | |
| 16 // for different types of views. Since view's we'll be dealing | |
| 17 // with types that don't really play well with `instanceof` | |
| 18 // operator we're gonig to use `dispatcher` that is slight | |
| 19 // extension over polymorphic dispatch provided by method. | |
| 20 // This allows models to extend implementations of this by | |
| 21 // providing predicates: | |
| 22 // | |
| 23 // modelFor.when($ => $ && $.nodeName === "tab", findTabById($.id)) | |
| 24 const modelFor = dispatcher("modelFor"); | |
| 25 exports.modelFor = modelFor; |
