This app provides monitoring and information features for the common freifunk user and the technical stuff of a freifunk community.
Code base is taken from a TUM Practical Course project and added here to see if Freifunk Altdorf can use it.
https://www.freifunk-altdorf.de
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39 lines
863 B
39 lines
863 B
/** |
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* Copyright (c) 2015-present, Facebook, Inc. |
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* |
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* This source code is licensed under the MIT license found in the |
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* LICENSE file in the root directory of this source tree. |
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* |
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* @providesModule SceneTracker |
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* @flow |
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*/ |
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'use strict'; |
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type Scene = {name: string}; |
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let _listeners: Array<(scene: Scene) => void> = []; |
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let _activeScene = {name: 'default'}; |
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const SceneTracker = { |
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setActiveScene(scene: Scene) { |
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_activeScene = scene; |
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_listeners.forEach((listener) => listener(_activeScene)); |
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}, |
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getActiveScene(): Scene { |
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return _activeScene; |
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}, |
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addActiveSceneChangedListener(callback: (scene: Scene) => void): {remove: () => void} { |
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_listeners.push(callback); |
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return { |
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remove: () => { |
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_listeners = _listeners.filter((listener) => callback !== listener); |
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}, |
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}; |
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}, |
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}; |
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module.exports = SceneTracker;
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