code style

lib/Storage.js

@@ -2,38 +2,38 @@
 
 class JsStorage {
   constructor() {
-    this.db = {};
+    this.db = {}
   }
 
   get(key) {
-    return this.db[key];
+    return this.db[key]
   }
 
   get_or_element(key, defaultElement) {
-    const element = this.db[key];
+    const element = this.db[key]
     if (element === undefined) {
-        return defaultElement;
+      return defaultElement
     } else {
-        return element
+      return element
     }
   }
 
   put(key, value) {
     if (key === undefined || value === undefined) {
-        throw Error('key or value is undefined')
+      throw Error('key or value is undefined')
     }
-    this.db[key] = value;
+    this.db[key] = value
   }
 
   del(key) {
-    delete this.db[key];
+    delete this.db[key]
   }
 
   put_batch(key_values) {
     key_values.forEach(element => {
-        this.db[element.key] = element.value;
-    });
+      this.db[element.key] = element.value
+    })
   }
 }
 
-module.exports = JsStorage;
+module.exports = JsStorage