nRedux.stub.ts

import {INgRedux} from 'ng-redux';

export default class NgReduxStub implements INgRedux {
  private selectedState: any;
  private target: any;
  private mapState: (state: any) => Object;

  push(selectedState: any) {
    if (!_.isPlainObject(selectedState)) {
      throw 'selectedState must be a plain object';
    }

    this.selectedState = selectedState;
    this.updateTarget();
  }

  connect(
    mapStateToTarget: (state: any) => Object,
    mapDispatchToTarget?: Object | ((dispatch: Function) => Object)
    ): (target: Function | Object) => () => void {
    this.mapState = mapStateToTarget;
    return (target: Function | Object) => {
      this.target = target;
      this.updateTarget();
      return () => { };
    };
  }

  updateTarget() {
    if (!this.target || !this.mapState || !this.selectedState) {
      return;
    }

    if (_.isFunction(this.target)) {
      this.target(this.mapState(this.selectedState));
      return;
    }
    _.assign(this.target, this.mapState(this.selectedState));
  }


  //This properties are useless (right now) for testing, only there to comply with the interface
  getReducer(): Redux.Reducer {
    return undefined;
  };

  replaceReducer() {
    return undefined;
  }

  dispatch() {
    return undefined;
  }

  getState() {
    return undefined;
  }

  subscribe() {
    return undefined;
  }

}