old_contents: import App from "./App";
  
  export default class Action {
      dispatchAction(...args) {
          return App.dispatchAction(...args);
      }
  
      get logger() {
          return App.logger(this.ns);
      }
  
      get events() {
          return App.events;
      }
  
      publish(ev, ...args) {
          return App.events.publish(`${this.ns}.${ev}`, ...args);
      }
  
      get ns() {
          return this._ns || "app";
      }
      set ns(namespace) {
          this._ns = namespace;
      }
  
      static ns(key) { // Decorator for easily adding namespace.
          return (ActionWithNS) => ActionWithNS.prototype.ns = key;
      }
  }
  
new_contents: import App from "./App";
  
  export default class Action {
      dispatchAction(...args) {
          return App.dispatchAction(...args);
      }
  
      get logger() {
          return App.logger(this.ns);
      }
  
      get events() {
          return App.events;
      }
  
      publish(ev, ...args) {
          return App.events.publish(`${this.ns}.${ev}`, ...args);
      }
  
      get ns() {
          return this._ns || "app";
      }
      set ns(namespace) {
          this._ns = namespace;
      }
  
      static ns(key) { // Decorator for easily adding namespace.
          return (ActionWithNS) => {
              ActionWithNS.prototype.ns = key;
          };
      }
  }
  
subject: Fix `ns` decorator. Don't return a value.