immutable-alt.js

const Immutable = require('immutable');

const Alt = require('alt');

const alt = new Alt();

const actions = alt.generateActions('fire');

const store = alt.createStore({
  displayName: 'ImmutableStore',
  
  bindListeners: {
    onSomething: actions.fire
  },
  
  state: Immutable.Map({}),
  
  onSomething(x) {
    // or this? this.setImmutableState('foo', x);
    this.setState(this.state.set('foo', x));
  }
});

store.getState().foo // undefined
actions.fire('hello world')
store.getState().foo // hello world