80 lines
1.9 KiB
JavaScript
80 lines
1.9 KiB
JavaScript
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/**
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* @flow
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*/
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import { NativeModules, NativeEventEmitter } from 'react-native';
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import Log from '../utils/log';
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import EventEmitter from './../utils/eventEmitter';
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const FirebaseModule = NativeModules.RNFirebase;
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const FirebaseModuleEvt = new NativeEventEmitter(FirebaseModule);
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const logs = {};
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type FirebaseOptions = {};
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// TODO cleanup
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export class Base extends EventEmitter {
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constructor(firebase: Object, options: FirebaseOptions = {}) {
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super();
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this.firebase = firebase;
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this.eventHandlers = {};
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this.options = Object.assign({}, firebase.options, options);
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}
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// Logger
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get log(): Log {
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if (!logs[this.namespace]) logs[this.namespace] = new Log(this.namespace, this.firebase._debug);
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return logs[this.namespace];
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}
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/**
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* app instance
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**/
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get app(): Object {
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return this.firebase.app;
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}
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whenReady(promise: Promise<*>): Promise<*> {
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return this.firebase.configurePromise.then(() => promise);
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}
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// Event handlers
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// proxy to firebase instance
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_on(name, cb, nativeModule) {
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return new Promise((resolve) => {
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// if (!this.eventHandlers[name]) {
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// this.eventHandlers[name] = {};
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// }
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if (!nativeModule) {
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nativeModule = FirebaseModuleEvt;
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}
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const sub = nativeModule.addListener(name, cb);
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this.eventHandlers[name] = sub;
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resolve(sub);
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});
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}
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_off(name) {
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return new Promise((resolve) => {
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if (this.eventHandlers[name]) {
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const subscription = this.eventHandlers[name];
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subscription.remove(); // Remove subscription
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delete this.eventHandlers[name];
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resolve(subscription);
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}
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});
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}
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}
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export class ReferenceBase extends Base {
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constructor(firebase: Object, path: string) {
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super(firebase);
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this.path = path || '/';
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}
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get key(): string|null {
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return this.path === '/' ? null : this.path.substring(this.path.lastIndexOf('/') + 1);
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}
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}
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