React : Redux and React-React Sample

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Redux and React-React

source : counter_with_redux.rar

  

 

 

App.js
import React from “react”;
import TodosContainer from ‘./Container/TodosContainer’
import CounterContainer from ‘./Container/CounterContainer’
import Todos from  ‘./Components/Todos’
function App()
{

  return(
    <div>
      <CounterContainer></CounterContainer>
      <TodosContainer></TodosContainer>
    </div>
  )
}

export default App;
Modules/Actions.js
import { INCREASE , DECREASE } from ‘./Types’
import { CHANGE_INPUT , INSERT , TOGGLE , REMOVE } from ‘./Types’

let id = 3;

const doIncrease = () => {
    return {
        type : INCREASE ,
        payload : 1
    }
}

const doDecrease = () => {
    return {
        type : DECREASE,
        payload : -1
    }
}

const doChangeInput = (input) =>{

    return {
        type : CHANGE_INPUT,
        input : input
    }
}

const doInsert = (text) =>{

    return {
        type : INSERT ,
        todo : {
            id : id++ ,
            text ,
            done : false
        }
    }
}

const doToggle = (id) => {

    return {
        type : TOGGLE ,
        id
    }
}

const doRemove = id => {

    return {
        type : REMOVE ,
        id
    }
   
}

export  { doIncrease , doDecrease}
export { doChangeInput ,  doInsert , doToggle , doRemove }
Modules/Reducer.js
import { INCREASE , DECREASE} from ‘./Types’
import { CHANGE_INPUT , INSERT , TOGGLE , REMOVE } from ‘./Types’

const counterInit = {
    number : 0
}

function CounterReducer( state = counterInit , action)
{

    console.log(‘CounterReducer:’ , state.number)

    switch(action.type)
    {
        case INCREASE :
            return {            
                …state,
                number : state.number + action.payload
            }
       
        case DECREASE :
            return{
                …state,
                number : state.number + action.payload
            }

        default :
            return state;
    }
}

const todosInit = {

    input : ”,
    todos : [
        { id : 1 , text : ‘테스트 데이터1’ , done : true},
        { id : 2 , text : ‘테스트 데이터2 ‘ , done : false},
    ]
}

function TodosReducer(state = todosInit , action)
{

    // console.log(‘TodosReducer:’ , state.todos[0].text)

    switch(action.type)
    {
        case CHANGE_INPUT :

            console.log(‘CHANGE_INPUT’ ,state)
            return {
                …state ,
                input : action.input
            }
       
        case INSERT :
           
        console.log(‘INSERT’, action.todo)
            return {
                …state,
                todos : state.todos.concat(action.todo)
            }

        case TOGGLE :
            return {
                …state,
                todos : state.todos.map( i => {
                    return i.id === action.id ? { …i , done : !i.done} : i
                })
            }

        case REMOVE :
            return {
                …state,
                todos : state.todos.filter( i => i.id !== action.id)
            }

        default : return state
    }
}

export { CounterReducer , TodosReducer }
Modules/Reducer.js
import { INCREASE , DECREASE} from ‘./Types’
import { CHANGE_INPUT , INSERT , TOGGLE , REMOVE } from ‘./Types’

const counterInit = {
    number : 0
}

function CounterReducer( state = counterInit , action)
{

    console.log(‘CounterReducer:’ , state.number)

    switch(action.type)
    {
        case INCREASE :
            return {            
                …state,
                number : state.number + action.payload
            }
       
        case DECREASE :
            return{
                …state,
                number : state.number + action.payload
            }

        default :
            return state;
    }
}

const todosInit = {

    input : ”,
    todos : [
        { id : 1 , text : ‘테스트 데이터1’ , done : true},
        { id : 2 , text : ‘테스트 데이터2 ‘ , done : false},
    ]
}

function TodosReducer(state = todosInit , action)
{

    // console.log(‘TodosReducer:’ , state.todos[0].text)

    switch(action.type)
    {
        case CHANGE_INPUT :

            console.log(‘CHANGE_INPUT’ ,state)
            return {
                …state ,
                input : action.input
            }
       
        case INSERT :
           
        console.log(‘INSERT’, action.todo)
            return {
                …state,
                todos : state.todos.concat(action.todo)
            }

        case TOGGLE :
            return {
                …state,
                todos : state.todos.map( i => {
                    return i.id === action.id ? { …i , done : !i.done} : i
                })
            }

        case REMOVE :
            return {
                …state,
                todos : state.todos.filter( i => i.id !== action.id)
            }

        default : return state
    }
}
export { CounterReducer , TodosReducer }

 

Modules/RootReducer.js
 
import {combineReducers} from ‘redux’
import  { CounterReducer , TodosReducer } from ‘./Reducer’
const RootReducer = combineReducers({

    counter : CounterReducer ,
    todos : TodosReducer
})
export default  RootReducer;
Modules/RootStore.js
import { createStore } from ‘redux’
import RootReducer from ‘./RootReducer’

const RootStore = createStore(RootReducer)
export default RootStore;
Modules/Types.js
 
const INCREASE = “INCREASE”
const DECREASE = “DECREASE”

const CHANGE_INPUT = “CHANGE_INPUT”
const INSERT = “INSERT”
const TOGGLE = “TOGGLE”
const REMOVE = “REMOVE”

export {INCREASE , DECREASE , CHANGE_INPUT , INSERT , TOGGLE , REMOVE}
Container/CounterContainer.js
import Counter  from ‘../Components/Counter’
import { doIncrease , doDecrease } from ‘../Modules/Actions’
import { connect } from ‘react-redux’

function CounterContainer(props){

    return(
        <Counter number={props.number} onIncrease={props.onIncrease} onDecrease={props.onDecrease}></Counter>
    )
}

const mapStateToProps = (state) => {

    return    {
        number : state.counter.number    
    }
}

/*
const mapDispatchToProps = (dispatch) => {

    return {
        onIncrease : () => { dispatch(doIncrease()) } ,
        onDecrease : () => { dispatch(doDecrease()) }
    }
}
*/

const mapDispatchToProps = {

    onIncrease : doIncrease() ,
    onDecrease : doDecrease()
}

export default connect(mapStateToProps,mapDispatchToProps)(CounterContainer);
Container/TodosContainer.js
import React from ‘react’
import { connect } from ‘react-redux’
import  { doChangeInput ,  doInsert , doToggle , doRemove } from ‘../Modules/Actions’
import Todos from ‘../Components/Todos’
constTodosContainer = ({input , todos ,  changeInput , insert , toggle , remove}) =>
{
   
    return(
        <Todos
            input={input}
            todos={todos}
            onChangeInput={changeInput}
            onInsert={insert}
            onToggle={toggle}
            onRemove={remove}
        ></Todos>
    )
}

const mapStateToProps = (state) =>{

    return {
        input : state.todos.input,
        todos :  state.todos.todos
    }

}

const mapDispatchToProps = (dispatch) => {

    return {

        changeInput : (v) => dispatch(doChangeInput(v)),
        insert : (v) => dispatch(doInsert(v)),
        toggle : (v) => dispatch(doToggle(v)) ,
        remove : (v) => dispatch(doRemove(v))
    }

}

export default connect(mapStateToProps,mapDispatchToProps)(TodosContainer)
Components/Counter.js
import React from ‘react’
import { doIncrease , doDecrease} from ‘../Modules/Actions’
import {connect} from ‘react-redux’
function Counter({number , onIncrease , onDecrease}){

    return(
        <div>
            <h1>{number}</h1>
            <div>
                <button onClick={onIncrease}>+</button>
                <button onClick={onDecrease}>-</button>
            </div>
        </div>
    )
}

const mapStateToProps = (state) =>
{
    return {
        number : state.counter.number
    }
}

const mapDispatchToProps = (dispatch) => {

    return{
        onIncrease : () => dispatch(doIncrease()) ,
        onDecrease : () => dispatch(doDecrease())

    }
}

export default connect(mapStateToProps,mapDispatchToProps)(Counter);
Components/Todos.js
import React from ‘react’
import {useRef} from ‘react’

const css = “cursor:pointer”

function TodosItem({todo , onToggle , onRemove})
{
   
   
    return(
        <div  style={{css}}onClick={()=>onToggle(todo.id)}>
            <input type=”checkbox” checked={todo.done} readOnly ></input>
            <span style={{ textDecoration: todo.done ? ‘line-through’ : ‘none’}}>{todo.text}</span>
            <button onClick={()=>onRemove(todo.id)}>삭제</button>
        </div>
    )

}

function Todos({input , todos , onChangeInput , onInsert , onToggle , onRemove})
{

    const inputfocus = useRef();

    const onSubmit = (e) => {
       
        e.preventDefault();        

        if (input !== “”)
        {
            onInsert(input)
            onChangeInput(“”)
            inputfocus.current.focus();
        }
       
    }

    const onChange = (e) => {  
         onChangeInput(e.target.value)
    }

 
    return(
        <div>
            <form onSubmit={onSubmit}>
                <input onChange={onChange} value={input} ref={inputfocus}></input>
                <button type=”submit”>등록하기</button>
            </form>
            <div>
                {
                    todos.map( i => {                      
                        return <TodosItem key={i.id} todo={i} onToggle={onToggle} onRemove={onRemove} ></TodosItem>                        
                    })
                }                
            </div>
        </div>

    )

}

export default Todos;

source : counter_with_redux.rar

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