feat: add generic type to storage interface

2 files changed, 8 insertions, 8 deletions

diff --git a/src/Storage.interface.ts b/src/Storage.interface.ts
index 3d20b542..a04cfe31 100644
--- a/src/Storage.interface.ts
+++ b/src/Storage.interface.ts
@@ -4,11 +4,11 @@ export default interface IStorage {
    getPrefix(): string;
    getBackend();
 
-   setItem(type: string, key: string, value: any): void;
-   setItem(key: string, value: any): void;
+   setItem<Data = any>(type: string, key: string, value: Data): void;
+   setItem<Data = any>(key: string, value: Data): void;
 
-   getItem(type: string, key: string): any;
-   getItem(key: string): any;
+   getItem<Data = any>(type: string, key: string): Data;
+   getItem<Data = any>(key: string): Data;
 
    removeItem(type, key): void;
    removeItem(key): void;
diff --git a/src/Storage.ts b/src/Storage.ts
index b7987a6f..a73948d0 100644
--- a/src/Storage.ts
+++ b/src/Storage.ts
@@ -121,8 +121,8 @@ export default class Storage implements IStorage {
       return Storage.backend;
    }
 
-   public setItem(type: string, key: string, value: any): void;
-   public setItem(key: string, value: any): void;
+   public setItem<Data = any>(type: string, key: string, value: Data): void;
+   public setItem<Data = any>(key: string, value: Data): void;
    public setItem(): void {
       let key: string;
       let value: any;
@@ -162,8 +162,8 @@ export default class Storage implements IStorage {
       }
    }
 
-   public getItem(type: string, key: string): any;
-   public getItem(key: string): any;
+   public getItem<Data = any>(type: string, key: string): Data;
+   public getItem<Data = any>(key: string): Data;
    public getItem(): any {
       let key: string;