[js] Run prettier for the first time

lib/utils/SyncTree.js

@@ -8,7 +8,7 @@ import DatabaseSnapshot from '../modules/database/snapshot';
 import DatabaseReference from '../modules/database/reference';
 import { isString, nativeToJSError } from '../utils';
 
-type Listener = (DatabaseSnapshot) => any;
+type Listener = DatabaseSnapshot => any;
 
 type Registration = {
   key: string,
@@ -19,7 +19,7 @@ type Registration = {
   listener: Listener,
   eventRegistrationKey: string,
   ref: DatabaseReference,
-}
+};
 
 /**
  * Internally used to manage firebase database realtime event
@@ -28,16 +28,18 @@ type Registration = {
 class SyncTree {
   _nativeEmitter: NativeEventEmitter;
   _reverseLookup: { [string]: Registration };
-  _tree: { [string]: { [string]: { [string]: Listener }}};
+  _tree: { [string]: { [string]: { [string]: Listener } } };
 
   constructor() {
     this._tree = {};
     this._reverseLookup = {};
     if (NativeModules.RNFirebaseDatabase) {
-      this._nativeEmitter = new NativeEventEmitter(NativeModules.RNFirebaseDatabase);
+      this._nativeEmitter = new NativeEventEmitter(
+        NativeModules.RNFirebaseDatabase
+      );
       this._nativeEmitter.addListener(
         'database_sync_event',
-        this._handleSyncEvent.bind(this),
+        this._handleSyncEvent.bind(this)
       );
     }
   }
@@ -82,11 +84,10 @@ class SyncTree {
     return SharedEventEmitter.emit(
       eventRegistrationKey,
       new DatabaseSnapshot(registration.ref, snapshot),
-      previousChildName,
+      previousChildName
     );
   }
 
-
   /**
    * Routes native database query listener cancellation events to their js counterparts.
    *
@@ -96,7 +97,10 @@ class SyncTree {
   _handleErrorEvent(event) {
     // console.log('SyncTree.ERROR >>>', event);
     const { code, message } = event.error;
-    const { eventRegistrationKey, registrationCancellationKey } = event.registration;
+    const {
+      eventRegistrationKey,
+      registrationCancellationKey,
+    } = event.registration;
 
     const registration = this.getRegistration(registrationCancellationKey);
 
@@ -121,7 +125,9 @@ class SyncTree {
    * @return {null}
    */
   getRegistration(registration: string): Registration | null {
-    return this._reverseLookup[registration] ? Object.assign({}, this._reverseLookup[registration]) : null;
+    return this._reverseLookup[registration]
+      ? Object.assign({}, this._reverseLookup[registration])
+      : null;
   }
 
   /**
@@ -159,7 +165,9 @@ class SyncTree {
 
     for (let i = 0, len = registrations.length; i < len; i++) {
       const registration = registrations[i];
-      const subscriptions = SharedEventEmitter._subscriber.getSubscriptionsForType(registration);
+      const subscriptions = SharedEventEmitter._subscriber.getSubscriptionsForType(
+        registration
+      );
       if (subscriptions) {
         for (let j = 0, l = subscriptions.length; j < l; j++) {
           const subscription = subscriptions[j];
@@ -188,7 +196,10 @@ class SyncTree {
     const eventKeys = Object.keys(this._tree[path] || {});
 
     for (let i = 0, len = eventKeys.length; i < len; i++) {
-      Array.prototype.push.apply(out, Object.keys(this._tree[path][eventKeys[i]]));
+      Array.prototype.push.apply(
+        out,
+        Object.keys(this._tree[path][eventKeys[i]])
+      );
     }
 
     return out;
@@ -216,11 +227,17 @@ class SyncTree {
    * @param listener
    * @return {Array}
    */
-  getOneByPathEventListener(path: string, eventType: string, listener: Function): ?string {
+  getOneByPathEventListener(
+    path: string,
+    eventType: string,
+    listener: Function
+  ): ?string {
     if (!this._tree[path]) return null;
     if (!this._tree[path][eventType]) return null;
 
-    const registrationsForPathEvent = Object.entries(this._tree[path][eventType]);
+    const registrationsForPathEvent = Object.entries(
+      this._tree[path][eventType]
+    );
 
     for (let i = 0; i < registrationsForPathEvent.length; i++) {
       const registration = registrationsForPathEvent[i];
@@ -230,7 +247,6 @@ class SyncTree {
     return null;
   }
 
-
   /**
    * Register a new listener.
    *
@@ -256,7 +272,7 @@ class SyncTree {
     if (once) {
       SharedEventEmitter.once(
         eventRegistrationKey,
-        this._onOnceRemoveRegistration(eventRegistrationKey, listener),
+        this._onOnceRemoveRegistration(eventRegistrationKey, listener)
       );
     } else {
       SharedEventEmitter.addListener(eventRegistrationKey, listener);