// main.js
import Vue from 'vue';
import { reduxStorePlugin } from 'redux-vue';
import AppStore from './AppStore';
import App from './Component/App';

// install redux-vue
Vue.use(reduxStorePlugin);

new Vue({
    store: AppStore,
    render(h) {
    	return <App />
	}
});

// store.js
import { createStore } from 'redux';

const initialState = {
  todos: []
};

const reducer = (state = initialState, action) => {
  switch(action.type){
    case 'ADD_TODO':
      return {
        ...state,
        todos: [...state.todos, action.data.todo]
      }

    default:
      return state;
    }
}

const AppStore = createStore(reducer);

export default AppStore;

// components/App.js

import { connect } from 'redux-vue';

const App = {
	props: {
		todos: {
			type: Array,
		},
		addTodo: {
			type: Function,
		},
	},

	methods: {
		handleAddTodo() {
			const todo = this.$refs.input.value;
			this.addTodo(todo);
		}
	},

	render(h) {
		return <div>
			<ul>
				{this.todos.map(todo => <li>{todo}</li>)}
			</ul>

			<div>
				<input type="text" ref="input" />
				<button on-click={this.handleAddTodo}>add todo</button>
			</div>
		</div>
	}
};

function mapStateToProps(state) {
	return {
		todos: state.todos
	};
}

function mapActionToProps(dispatch) {
	return {
		addTodo(todo) {
			dispatch({
				type: 'ADD_TODO',
				data: { todo }
			})
		}
	}
}

export default connect(mapStateToProps, mapActionToProps)(App);

// components/Comp.js
<template>
  <div>
    Hello world!
  </div>
</template>

<script>
export default {
  name: 'my-comp',
}
</script>

<style >
</style>

// components/App.js
import { connect } from 'redux-vue'

import Comp from './Comp'


const mapStateToProps = (state) => ({})

const mapDispatchToProps = (dispatch) => ({})

export default connect(mapStateToProps, mapDispatchToProps)(Comp)