feat(core) add getContext to RpcArgumentsHost

Author: kamilmysliwiec

packages/common/interfaces/features/arguments-host.interface.ts

@@ -43,6 +43,11 @@ export interface RpcArgumentsHost {
    * Returns the data object.
    */
   getData<T = any>(): T;
+
+  /**
+   * Returns the context object.
+   */
+  getContext<T = any>(): T;
 }
 
 /**

packages/core/helpers/execution-context-host.ts

@@ -43,6 +43,7 @@ export class ExecutionContextHost implements ExecutionContext {
   switchToRpc(): RpcArgumentsHost {
     return Object.assign(this, {
       getData: () => this.getArgByIndex(0),
+      getContext: () => this.getArgByIndex(1),
     });
   }