rn-wifi-p2p/lib/module/events/subscriptions.js

React Native module for Android P2P communication using Wi-Fi Direct.

"use strict";

import { DeviceEventEmitter } from 'react-native';
const MODULE_NAME = 'RN_WIFI_P2P';
const subscriptionsMap = new Map();
export const subscribeOnEvent = (event, callback) => {
  const fullEvent = `${MODULE_NAME}_${event}`;
  const subscription = DeviceEventEmitter.addListener(fullEvent, callback);
  if (!subscriptionsMap.has(fullEvent)) {
    subscriptionsMap.set(fullEvent, new Set());
  }
  subscriptionsMap.get(fullEvent)?.add(subscription);
  return subscription;
};
export const removeAllListenersFromEvent = event => {
  const fullEvent = `${MODULE_NAME}:${event}`;
  const subs = subscriptionsMap.get(fullEvent);
  if (!subs) return;
  for (const sub of subs) {
    sub.remove();
  }
  subscriptionsMap.delete(fullEvent);
};
export const removeAllSubscriptions = () => {
  subscriptionsMap.forEach(subs => {
    subs.forEach(sub => sub.remove());
  });
  subscriptionsMap.clear();
};
export const subscribeOnThisDeviceChanged = callback => subscribeOnEvent('THIS_DEVICE_CHANGED_ACTION', callback);
export const removeAllListenersFromThisDeviceChanged = () => removeAllListenersFromEvent('THIS_DEVICE_CHANGED_ACTION');
export const subscribeOnPeersUpdates = callback => subscribeOnEvent('PEERS_UPDATED', callback);
export const removeAllListenersFromPeersUpdates = () => removeAllListenersFromEvent('PEERS_UPDATED');
export const subscribeOnConnectionInfoUpdates = callback => subscribeOnEvent('CONNECTION_INFO_UPDATED', callback);
export const removeAllListenersFromConnectionInfoUpdates = () => removeAllListenersFromEvent('CONNECTION_INFO_UPDATED');
export const subscribeOnMessageReceived = callback => subscribeOnEvent('MESSAGE_RECEIVED', callback);
export const removeAllListenersFromMessageReceived = () => removeAllListenersFromEvent('MESSAGE_RECEIVED');
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