From df4947d22ae2ee51be1a040813a9af8a236ada2e Mon Sep 17 00:00:00 2001
From: Damjan Bursac <damjan.bursac@united.cloud>
Date: Thu, 16 May 2019 08:53:40 +0200
Subject: [PATCH] Remove self and fix warnings

---
 src/Store.ts | 41 +++++++++++++++++++----------------------
 1 file changed, 19 insertions(+), 22 deletions(-)

diff --git a/src/Store.ts b/src/Store.ts
index c38c5dc..b72f3d3 100644
--- a/src/Store.ts
+++ b/src/Store.ts
@@ -12,14 +12,14 @@ export default class Store {
   private eventEmitter: EventEmitter;
 
   // Use to count number of store objects created. Determine database name
-  private static storeCount: number = 0
-  private readonly currentStoreCount: number = 0
+  private static storeCount: number = 0;
+  private readonly currentStoreCount: number = 0;
 
   /** @var {string} osName - Object store name */
-  private readonly osName: string = 'chunks'
+  private readonly osName: string = 'chunks';
 
   constructor (chunkLength: number) {
-    this.currentStoreCount = Store.storeCount
+    this.currentStoreCount = Store.storeCount;
     this.chunkLength = chunkLength;
 
     this.eventEmitter = new EventEmitter();
@@ -30,18 +30,18 @@ export default class Store {
 
     let request = this.idb.open(this.getDatabaseName(), 1);
 
-    Store.storeCount++
+    Store.storeCount++;
 
     request.onerror = (ev) => {
       // Don't forget to handle errors!
-    }
+    };
 
     request.onsuccess = (ev: any) => {
       this.db = ev.target.result;
 
       // EventEmmitter.emit('dbOpened')
       this.eventEmitter.notify()
-    }
+    };
 
     request.onupgradeneeded = (ev: any) => {
       // Save the IDBDatabase interface
@@ -54,7 +54,6 @@ export default class Store {
 
   // TODO define cb parameters
   public get (index: number, options, cb: Function) {
-    let self = this
     if (typeof options === 'function') {
       return this.get(index, null, options)
     }
@@ -69,20 +68,20 @@ export default class Store {
 
       transaction.onerror = (ev) => {
         // Don't forget to handle errors!
-      }
+      };
 
       this.resolveRequest(request, (err, ev) => {
-        let target = <IDBRequest> ev.target
+        let target = <IDBRequest> ev.target;
         if (target.result === undefined) {
           // cb(null, new Buffer(0))
           this.nextTick(cb, new Error('Try to access non-existent index'))
         } else {
           const buffer = new Buffer(target.result);
           if (!options) {
-            return self.nextTick(cb, null, buffer)
+            return this.nextTick(cb, null, buffer)
           }
-          const offset = options.offset || 0
-          const length = options.length || (target.result.length - offset)
+          const offset = options.offset || 0;
+          const length = options.length || (target.result.length - offset);
           cb(null, buffer.slice(offset, offset + length))
         }
       })
@@ -91,8 +90,6 @@ export default class Store {
 
   // TODO define cb parameters
   public put (index: number, chunkBuffer: Buffer, cb: (err: Error, ev?: Event) => void) {
-    let self = this
-
     if (typeof cb !== 'function') {
       cb = (err: Error, ev?: Event): void => {}
     }
@@ -102,13 +99,13 @@ export default class Store {
     }
 
     this.executeFn(() => {
-      let transaction = self.db.transaction('torrent_chunk_store', 'readwrite')
+      let transaction = this.db.transaction(this.osName, 'readwrite');
 
       transaction.onerror = (ev) => {
         // Don't forget to handle errors!
-      }
+      };
 
-      let request = transaction.objectStore(this.osName).put(chunkBuffer, index)
+      let request = transaction.objectStore(this.osName).put(chunkBuffer, index);
 
       this.resolveRequest(request, (err, ev) => {
         cb(err, ev)
@@ -118,7 +115,7 @@ export default class Store {
 
   public close (cb) {
     if (this.closed) return this.nextTick(cb, new Error('Storage is closed'));
-    if (!this.db) return this.nextTick(cb, undefined)
+    if (!this.db) return this.nextTick(cb, undefined);
     this.closed = true;
     this.nextTick(cb, null, null);
   }
@@ -128,7 +125,7 @@ export default class Store {
     // For indexeddb would be different:
     // -- Close would empty database
     // -- Destroy should delete database
-    this.close(cb)
+    this.close(cb);
     this.idb.deleteDatabase(this.getDatabaseName())
   }
 
@@ -142,7 +139,7 @@ export default class Store {
    * Get database name based on storeCount
    */
   private getDatabaseName () {
-    const databaseName = 'torrent_chunk_store'
+    const databaseName = 'torrent_chunk_store';
 
     if (this.currentStoreCount === 0) {
       return databaseName
@@ -159,7 +156,7 @@ export default class Store {
   private resolveRequest (request: IDBRequest, cb?: (err: Error, ev?: Event) => void) {
     request.onsuccess = (ev) => {
       cb(null, ev)
-    }
+    };
 
     request.onerror = () => {
       cb(request.error)