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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50 lines
1.0 KiB
50 lines
1.0 KiB
/** |
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* Copyright (c) 2013-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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*/ |
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'use strict'; |
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const _backPressSubscriptions = new Set(); |
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const BackHandler = { |
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exitApp: jest.fn(), |
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addEventListener: function ( |
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eventName: BackPressEventName, |
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handler: Function |
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): {remove: () => void} { |
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_backPressSubscriptions.add(handler); |
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return { |
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remove: () => BackHandler.removeEventListener(eventName, handler), |
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}; |
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}, |
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removeEventListener: function( |
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eventName: BackPressEventName, |
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handler: Function |
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): void { |
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_backPressSubscriptions.delete(handler); |
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}, |
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mockPressBack: function() { |
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let invokeDefault = true; |
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const subscriptions = [..._backPressSubscriptions].reverse(); |
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for (let i = 0; i < subscriptions.length; ++i) { |
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if (subscriptions[i]()) { |
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invokeDefault = false; |
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break; |
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} |
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} |
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if (invokeDefault) { |
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BackHandler.exitApp(); |
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} |
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}, |
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}; |
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module.exports = BackHandler;
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