react-native-firebase/lib/firebase.js

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/**
* @providesModule Firebase
* @flow
*/
import { NativeModules, NativeEventEmitter } from 'react-native';
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import { isObject, isString } from './utils';
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import INTERNALS from './internals';
import PACKAGE from './../package.json';
import FirebaseApp from './firebase-app';
// module imports
import AdMob, { statics as AdMobStatics } from './modules/admob';
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import Auth, { statics as AuthStatics } from './modules/auth';
import Analytics from './modules/analytics';
import Crash from './modules/crash';
import Performance from './modules/perf';
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import RemoteConfig from './modules/config';
import Storage, { statics as StorageStatics } from './modules/storage';
import Database, { statics as DatabaseStatics } from './modules/database';
import Messaging, { statics as MessagingStatics } from './modules/messaging';
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const FirebaseCoreModule = NativeModules.RNFirebase;
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class FirebaseCore {
constructor() {
this._nativeEmitters = {};
this._nativeSubscriptions = {};
for (let i = 0, len = FirebaseCoreModule.apps.length; i < len; i++) {
const app = FirebaseCoreModule.apps[i];
const options = Object.assign({}, app);
delete options.name;
INTERNALS.APPS[app.name] = new FirebaseApp(app.name, options);
INTERNALS.APPS[app.name]._initializeApp(true);
}
}
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/**
* Web SDK initializeApp
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*
* @param options
* @param name
* @return {*}
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*/
initializeApp(options: Object = {}, name: string): FirebaseApp {
if (!isObject(options)) {
throw new Error(INTERNALS.STRINGS.ERROR_INIT_OBJECT);
}
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// todo validate required options
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if (name && !isString(name)) {
throw new Error(INTERNALS.STRINGS.ERROR_INIT_STRING_NAME);
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}
const _name = (name || INTERNALS.STRINGS.DEFAULT_APP_NAME).toUpperCase();
if (!INTERNALS.APPS[_name]) {
INTERNALS.APPS[_name] = new FirebaseApp(_name, options);
// only initialize if certain props are available
if (options.databaseURL && options.apiKey) {
INTERNALS.APPS[_name]._initializeApp();
}
}
return INTERNALS.APPS[_name];
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}
/**
* Retrieves a Firebase app instance.
*
* When called with no arguments, the default app is returned.
* When an app name is provided, the app corresponding to that name is returned.
*
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* @param name
* @return {*}
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*/
app(name?: string): FirebaseApp {
const _name = name ? name.toUpperCase() : INTERNALS.STRINGS.DEFAULT_APP_NAME;
const app = INTERNALS.APPS[_name];
if (!app) throw new Error(INTERNALS.STRINGS.ERROR_APP_NOT_INIT(_name));
return app;
}
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/**
* A (read-only) array of all initialized apps.
* @return {Array}
*/
get apps(): Array<Object> {
return Object.values(INTERNALS.APPS);
}
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/**
* The current RNFirebase SDK version.
*/
get SDK_VERSION() {
return PACKAGE.version;
}
/**
* Returns props from the android GoogleApiAvailability sdk
* @android
* @return {RNFirebase.GoogleApiAvailabilityType|{isAvailable: boolean, status: number}}
*/
get googleApiAvailability(): GoogleApiAvailabilityType {
return FirebaseCoreModule.googleApiAvailability || { isAvailable: true, status: 0 };
}
/*
* MODULES
*/
get admob() {
return this._appNamespaceOrStatics('admob', AdMobStatics, AdMob);
}
get auth() {
return this._appNamespaceOrStatics('auth', AuthStatics, Auth);
}
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get analytics() {
return this._appNamespaceOrStatics('analytics', {}, Analytics);
}
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get config() {
return this._appNamespaceOrStatics('config', {}, RemoteConfig);
}
get crash() {
return this._appNamespaceOrStatics('crash', {}, Crash);
}
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get database() {
return this._appNamespaceOrStatics('database', DatabaseStatics, Database);
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}
get messaging() {
return this._appNamespaceOrStatics('messaging', MessagingStatics, Messaging);
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}
get perf() {
return this._appNamespaceOrStatics('perf', DatabaseStatics, Performance);
}
get storage() {
return this._appNamespaceOrStatics('storage', StorageStatics, Storage);
}
/*
* CONFIG METHODS
*/
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/**
* Set the global logging level for all logs.
*
* @param booleanOrDebugString
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*/
setLogLevel(booleanOrDebugString) {
INTERNALS.OPTIONS.logLevel = booleanOrDebugString;
Log.setLevel(booleanOrDebugString);
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}
/*
* INTERNALS
*/
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/**
* Subscribe to a native event for js side distribution by appName
* React Native events are hard set at compile - cant do dynamic event names
* so we use a single event send it to js and js then internally can prefix it
* and distribute dynamically.
*
* @param eventName
* @param nativeEmitter
* @private
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*/
_subscribeForDistribution(eventName, nativeEmitter) {
if (!this._nativeSubscriptions[eventName]) {
nativeEmitter.addListener(eventName, (event) => {
if (event.appName) {
// native event has an appName property - auto prefix and internally emit
INTERNALS.SharedEventEmitter.emit(`${event.appName}-${eventName}`, event);
} else {
// standard event - no need to prefix
INTERNALS.SharedEventEmitter.emit(eventName, event);
}
});
this._nativeSubscriptions[eventName] = true;
}
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}
/**
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*
* @param namespace
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* @param statics
* @return {function(FirebaseApp=)}
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* @private
*/
_appNamespaceOrStatics(namespace, statics = {}): Function {
const getNamespace = (app?: FirebaseApp) => {
let _app = app;
// throw an error if it's not a valid app instance
if (_app && !(_app instanceof FirebaseApp)) throw new Error(INTERNALS.STRINGS.ERROR_NOT_APP(namespace));
// default to the 'DEFAULT' app if no arg provided - will throw an error
// if default app not initialized
else if (!_app) _app = this.app(INTERNALS.STRINGS.DEFAULT_APP_NAME);
return INTERNALS.APPS[_app.name][namespace](_app);
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};
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Object.assign(getNamespace, statics);
return getNamespace;
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}
/**
*
* @param name
* @param nativeModule
* @return {*}
* @private
*/
_getOrSetNativeEmitter(name, nativeModule) {
if (this._nativeEmitters[name]) {
return this._nativeEmitters[name];
}
return this._nativeEmitters[name] = new NativeEventEmitter(nativeModule);
}
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}
export default new FirebaseCore();