slimReduxQuickStart.js

import { createSlimReduxStore } from 'slim-redux';

// Create a store with initial state = 0
var store = createSlimReduxStore(0);

// Make sure we see any store changes in the console
store.subscribe(() =>
  console.log(store.getState())
)

// Register a change with the actionType 'INCREMENT' and the appropriate reducer.
// This returns a change-trigger function (see below)
const increment = store.createChangeTrigger({
  actionType: 'INCREMENT',
  reducer: (state, payload, action) => {
    return state + payload.value;
  }
});

// Note that the hereby registered reducer would also process 'DECREMENT' actions
// from the rest of your redux code.
const decrement = store.createChangeTrigger({
  actionType: 'DECREMENT',
  reducer: (state, payload, action) => {
    return state - payload.value;
  }
});

// Trigger a store-change - that is: Dispatch the action:
// {type: 'INCREMENT', payload: {value: 10}}
increment({value: 10});
increment({value: 23});

decrement({value: 31});
decrement({value: 11});