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
685 B
39 lines
685 B
/** |
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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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* @providesModule BlobRegistry |
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* @flow |
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* @format |
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*/ |
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const registry: {[key: string]: number} = {}; |
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const register = (id: string) => { |
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if (registry[id]) { |
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registry[id]++; |
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} else { |
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registry[id] = 1; |
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} |
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}; |
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const unregister = (id: string) => { |
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if (registry[id]) { |
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registry[id]--; |
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if (registry[id] <= 0) { |
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delete registry[id]; |
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} |
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} |
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}; |
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const has = (id: string) => { |
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return registry[id] && registry[id] > 0; |
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}; |
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module.exports = { |
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register, |
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unregister, |
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has, |
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};
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