84 lines
2.3 KiB
JavaScript
84 lines
2.3 KiB
JavaScript
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/**
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* @flow
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*/
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import { NativeModules } from 'react-native';
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import Log from '../utils/log';
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import { nativeWithApp } from './../utils';
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import INTERNALS from './../internals';
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// logging instances
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const logs = {};
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export default class ModuleBase {
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constructor(firebaseApp, options, moduleName) {
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this._options = Object.assign({}, options);
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this._module = moduleName;
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this._firebaseApp = firebaseApp;
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this._appName = firebaseApp.name;
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this._namespace = `${this._appName}:${this._module}`;
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// check if native module exists as all native modules are now optionally part of build
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const nativeModule = NativeModules[`RNFirebase${moduleName}`];
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if (!nativeModule) {
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throw new Error(INTERNALS.STRINGS.ERROR_MISSING_MODULE(moduleName));
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}
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// used by the modules that extend ModuleBase to access their native module counterpart
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this._native = nativeWithApp(this._appName, nativeModule);
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}
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/**
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* Returns the FirebaseApp instance for current module
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* @return {*}
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*/
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get app() {
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return this._firebaseApp;
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}
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get log(): Log {
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if (logs[this._namespace]) return logs[this._namespace];
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return logs[this._namespace] = Log.createLogger(
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`🔥 ${this._namespace.toUpperCase()}`,
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);
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}
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/*
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* Proxy functions to shared event emitter instance
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* https://github.com/facebook/react-native/blob/master/Libraries/EventEmitter/EventEmitter.js
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*/
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get sharedEventEmitter() {
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return INTERNALS.SharedEventEmitter;
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}
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get addListener() {
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return INTERNALS.SharedEventEmitter.addListener.bind(INTERNALS.SharedEventEmitter);
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}
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get on() {
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return INTERNALS.SharedEventEmitter.addListener.bind(INTERNALS.SharedEventEmitter);
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}
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get emit() {
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return INTERNALS.SharedEventEmitter.emit.bind(INTERNALS.SharedEventEmitter);
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}
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get listeners() {
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return INTERNALS.SharedEventEmitter.listeners.bind(INTERNALS.SharedEventEmitter);
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}
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hasListeners(eventType: string): Boolean {
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const subscriptions = INTERNALS.SharedEventEmitter._subscriber.getSubscriptionsForType(eventType);
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return subscriptions && subscriptions.length;
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}
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get removeListener() {
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return INTERNALS.SharedEventEmitter.removeListener.bind(INTERNALS.SharedEventEmitter);
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}
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get removeAllListeners() {
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return INTERNALS.SharedEventEmitter.removeAllListeners.bind(INTERNALS.SharedEventEmitter);
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}
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}
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