Lint database.js

Author: BlooJeans

lib/modules/database.js

@@ -5,11 +5,10 @@ import {NativeModules, NativeEventEmitter} from 'react-native';
 const FirestackDatabase = NativeModules.FirestackDatabase;
 const FirestackDatabaseEvt = new NativeEventEmitter(FirestackDatabase);
 
-import promisify from '../utils/promisify'
-import { Base, ReferenceBase } from './base'
+import promisify from '../utils/promisify';
+import { Base, ReferenceBase } from './base';
 
-// subscriptionsMap === { path: { modifier: { eventType: [Subscriptions] } } }
-let dbSubscriptions = {};
+let dbSubscriptions = {}; // { path: { modifier: { eventType: [Subscriptions] } } }
 
 class DataSnapshot {
   static key:String;
@@ -36,12 +35,12 @@ class DataSnapshot {
 
   forEach(fn) {
     (this.childKeys || [])
-      .forEach(key => fn(this.value[key]))
+      .forEach(key => fn(this.value[key]));
   }
 
   map(fn) {
     let arr = [];
-    this.forEach(item => arr.push(fn(item)))
+    this.forEach(item => arr.push(fn(item)));
     return arr;
   }
 
@@ -57,9 +56,9 @@ class DatabaseOnDisconnect {
 
   setValue(val) {
     const path = this.ref.dbPath();
-    if (typeof val == 'string') {
+    if (typeof val === 'string') {
       return promisify('onDisconnectSetString', FirestackDatabase)(path, val);
-    } else if (typeof val == 'object') {
+    } else if (typeof val === 'object') {
       return promisify('onDisconnectSetObject', FirestackDatabase)(path, val);
     }
   }
@@ -102,7 +101,7 @@ class DatabaseQuery {
   }
 
   build() {
-    const argsSeparator = ':'
+    const argsSeparator = ':';
     let modifiers = [];
     if (this.orderBy) {
       modifiers.push(this.orderBy.join(argsSeparator));
@@ -114,10 +113,10 @@ class DatabaseQuery {
       .forEach(key => {
         const filter = this.filters[key];
         if (filter) {
-          const filterArgs = ([key].concat(filter)).join(argsSeparator)
+          const filterArgs = [key, filter].join(argsSeparator);
           modifiers.push(filterArgs);
         }
-      })
+      });
     return modifiers;
   }
 
@@ -180,27 +179,27 @@ class DatabaseRef extends ReferenceBase {
   setAt(val) {
     const path = this.dbPath();
     const value = this._serializeValue(val);
-    return promisify('set', FirestackDatabase)(path, value)
+    return promisify('set', FirestackDatabase)(path, value);
   }
 
   updateAt(val) {
     const path = this.dbPath();
     const value = this._serializeValue(val);
-    return promisify('update', FirestackDatabase)(path, value)
+    return promisify('update', FirestackDatabase)(path, value);
   }
 
   removeAt(key) {
     const path = this.dbPath();
-    return promisify('remove', FirestackDatabase)(path)
+    return promisify('remove', FirestackDatabase)(path);
   }
 
   push(val={}) {
     const path = this.dbPath();
     const value = this._serializeValue(val);
     return promisify('push', FirestackDatabase)(path, value)
       .then(({ref}) => {
-        return new DatabaseRef(this.db, ref.split(separator))
-      })
+        return new DatabaseRef(this.db, ref.split(separator));
+      });
   }
 
   on(evt, cb) {
@@ -214,8 +213,8 @@ class DatabaseRef extends ReferenceBase {
                   this.listeners[evt] = subscriptions;
                   callback(this);
                   return subscriptions;
-                })
-    });
+                });
+      });
   }
 
   once(evt='once', cb) {
@@ -229,18 +228,18 @@ class DatabaseRef extends ReferenceBase {
           cb(snapshot);
         }
         return snapshot;
-      })
+      });
   }
 
   off(evt='', origCB) {
     const path = this.dbPath();
     const modifiers = this.dbModifiers();
-    return this.db.off(path, modifiers, evt, origCB)
+    return this.db.off(path, modifiers, evt, origCB);
   }
 
   cleanup() {
     let promises = Object.keys(this.listeners)
-                          .map(key => this.off(key))
+                          .map(key => this.off(key));
     return Promise.all(promises);
   }
 
@@ -254,8 +253,8 @@ class DatabaseRef extends ReferenceBase {
       }
       return {
         ...sum,
-        [key]: val
-      }
+        [key]: val,
+      };
     }, {});
   }
 
@@ -267,8 +266,8 @@ class DatabaseRef extends ReferenceBase {
       }
       return {
         ...sum,
-        [key]: val
-      }
+        [key]: val,
+      };
     }, {});
   }
 
@@ -334,8 +333,8 @@ class DatabaseRef extends ReferenceBase {
   dbPath() {
     let path = this.path;
     let pathStr = (path.length > 0 ? path.join('/') : '/');
-    if (pathStr[0] != '/') {
-      pathStr = `/${pathStr}`
+    if (pathStr[0] !== '/') {
+      pathStr = `/${pathStr}`;
     }
     return pathStr;
   }
@@ -347,7 +346,7 @@ class DatabaseRef extends ReferenceBase {
   }
 
   get namespace() {
-    return `firestack:dbRef`
+    return 'firestack:dbRef';
   }
 }
 
@@ -386,7 +385,7 @@ export class Database extends Base {
       promise = this.whenReady(promisify('enablePersistence', FirestackDatabase)(enable));
       this.persistenceEnabled = enable;
     } else {
-      promise = this.whenReady(Promise.resolve({status: "Already enabled"}))
+      promise = this.whenReady(Promise.resolve({status: 'Already enabled'}))
     }
 
     return promise;
@@ -456,7 +455,7 @@ export class Database extends Base {
     const callback = (ref) => {
       const key = this._pathKey(ref.path);
       this.refs[key] = ref;
-    }
+    };
     const subscriptions = [this.successListener, this.errorListener];
     return Promise.resolve({callback, subscriptions});
   }
@@ -468,7 +467,7 @@ export class Database extends Base {
     // Remove subscription
     if (dbSubscriptions[pathKey]) {
 
-      if (!eventName || eventName === "") {
+      if (!eventName || eventName === '') {
         // remove all listeners for this pathKey
         dbSubscriptions[pathKey] = {};
       }
@@ -545,4 +544,4 @@ export class Database extends Base {
   }
 }
 
-export default Database
+export default Database;