react-native-firebase/lib/firebase-app.js

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import { NativeModules } from 'react-native';
import INTERNALS from './internals';
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import { isObject } from './utils';
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';
const FirebaseCoreModule = NativeModules.RNFirebase;
export default class FirebaseApp {
constructor(name: string, options: Object = {}) {
this._name = name;
this._namespaces = {};
this._options = Object.assign({}, options);
// native ios/android to confirm initialized
this._initialized = false;
this._nativeInitialized = false;
// modules
this.admob = this._staticsOrModuleInstance(AdMobStatics, AdMob);
this.auth = this._staticsOrModuleInstance(AuthStatics, Auth);
this.analytics = this._staticsOrModuleInstance({}, Analytics);
this.config = this._staticsOrModuleInstance({}, RemoteConfig);
this.crash = this._staticsOrModuleInstance({}, Crash);
this.database = this._staticsOrModuleInstance(DatabaseStatics, Database);
this.messaging = this._staticsOrModuleInstance(MessagingStatics, Messaging);
this.perf = this._staticsOrModuleInstance({}, Performance);
this.storage = this._staticsOrModuleInstance(StorageStatics, Storage);
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this._extendedProps = {};
}
/**
*
* @param native
* @private
*/
_initializeApp(native = false) {
if (native) {
// for apps already initialized natively that
// we have info from RN constants
this._initialized = true;
this._nativeInitialized = true;
} else {
FirebaseCoreModule.initializeApp(this._name, this._options, (error, result) => {
this._initialized = true;
INTERNALS.SharedEventEmitter.emit(`AppReady:${this._name}`, { error, result });
});
}
}
/**
*
* @return {*}
*/
get name() {
if (this._name === INTERNALS.STRINGS.DEFAULT_APP_NAME) {
// ios and android firebase sdk's return different
// app names - so we just return what the web sdk
// would if it was default.
return '[DEFAULT]';
}
return this._name;
}
/**
*
* @return {*}
*/
get options() {
return Object.assign({}, this._options);
}
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/**
* Undocumented firebase web sdk method that allows adding additional properties onto
* a firebase app instance.
*
* See: https://github.com/firebase/firebase-js-sdk/blob/master/tests/app/firebase_app.test.ts#L328
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*
* @param props
*/
extendApp(props: Object) {
if (!isObject(props)) throw new Error(INTERNALS.ERROR_MISSING_ARG('Object', 'extendApp'));
const keys = Object.keys(props);
for (let i = 0, len = keys.length; i < len; i++) {
const key = keys[i];
if (!this._extendedProps[key] && Object.hasOwnProperty.call(this, key)) {
throw new Error(INTERNALS.ERROR_PROTECTED_PROP(key));
}
this[key] = props[key];
this._extendedProps[key] = true;
}
}
/**
*
* @return {Promise}
*/
delete() {
if (this._name === INTERNALS.STRINGS.DEFAULT_APP_NAME && this._nativeInitialized) {
return Promise.reject(
new Error('Unable to delete the default native firebase app instance.'),
);
}
return FirebaseCoreModule.deleteApp(this._name);
}
/**
*
* @return {*}
*/
onReady(): Promise {
if (this._initialized) return Promise.resolve(this);
return new Promise((resolve, reject) => {
INTERNALS.SharedEventEmitter.once(`AppReady:${this._name}`, ({ error }) => {
if (error) return reject(new Error(error)); // error is a string as it's from native
return resolve(this); // return app
});
});
}
/**
*
* @param name
* @param statics
* @param InstanceClass
* @return {function()}
* @private
*/
_staticsOrModuleInstance(statics = {}, InstanceClass): Function {
const getInstance = () => {
const _name = `_${InstanceClass._NAMESPACE}`;
if (!this._namespaces[_name]) {
this._namespaces[_name] = new InstanceClass(this);
}
return this._namespaces[_name];
};
Object.assign(getInstance, statics, {
nativeModuleExists: !!NativeModules[InstanceClass._NATIVE_MODULE],
});
return getInstance;
}
}