add declare and fix other issues with typescript types

index.d.ts

@@ -1,28 +1,29 @@
-export default class Kareem {
-  static skipWrappedFunction(): SkipWrappedFunction;
-  static overwriteMiddlewareResult(): OverwriteMiddlewareResult;
+declare module "kareem" {
+  export default class Kareem {
+    static skipWrappedFunction(): SkipWrappedFunction;
+    static overwriteMiddlewareResult(): OverwriteMiddlewareResult;
 
-  pre(name: string | RegExp, fn: Function): this;
-  pre(name: string | RegExp, options: Record<string, any>, fn: Function, error?: any, unshift?: boolean): this;
-  post(name: string | RegExp, fn: Function): this;
-  post(name: string | RegExp, options: Record<string, any>, fn: Function, unshift?: boolean): this;
+    pre(name: string | RegExp, fn: Function): this;
+    pre(name: string | RegExp, options: Record<string, any>, fn: Function, error?: any, unshift?: boolean): this;
+    post(name: string | RegExp, fn: Function): this;
+    post(name: string | RegExp, options: Record<string, any>, fn: Function, unshift?: boolean): this;
 
-  clone(): this;
-  merge(other: Kareem, clone?: boolean): Kareem;
+    clone(): Kareem;
+    merge(other: Kareem, clone?: boolean): this;
 
-  createWrapper(name: string, fn: Function, context?: any, options?: any): Function;
-  createWrapperSync(name: string, fn: Function): Function;
-  hasHooks(name: string): boolean;
-  filter(fn: Function): Kareem;
+    createWrapper(name: string, fn: Function, context?: any, options?: any): Function;
+    createWrapperSync(name: string, fn: Function): Function;
+    hasHooks(name: string): boolean;
+    filter(fn: Function): Kareem;
 
-  wrap(name: string, fn: Function, context: any, args: any[], options?: any): Function;
+    wrap(name: string, fn: Function, context: any, args: any[], options?: any): Function;
 
-  execPostSync(name: string, context: any, args: any[]): any;
-  execPost(name: string, context: any, args: any[], options?: any, callback?: Function): void;
-  execPreSync(name: string, context: any, args: any[]): any;
-  execPre(name: string, context: any, args: any[], callback?: Function): void;
-}
-
-class SkipWrappedFunction {}
-class OverwriteMiddlewareResult {}
+    execPostSync(name: string, context: any, args: any[]): any;
+    execPost(name: string, context: any, args: any[], options?: any, callback?: Function): void;
+    execPreSync(name: string, context: any, args: any[]): any;
+    execPre(name: string, context: any, args: any[], callback?: Function): void;
+  }
 
+  class SkipWrappedFunction {}
+  class OverwriteMiddlewareResult {}
+}