REACTEUSE

(REACT JS)
npx create-react-app <app>
-npm run start , build ...
-yarn start , build ...

(REACT NATIVE CLI)
npx react-native init <app>
-npx react-native start
-npx react-native run-android (run_ios)

(REACT NATIVE EXPO CLI)
expo init <app>
-npm start
const useStyles = makeStyles((theme) => ({}));
<Grid container><Grid item></Grid></Grid>
import { createMuiTheme } from '@material-ui/core/styles';

// A custom theme for this app
const theme = createMuiTheme({});

export default theme;
    db.collection('iot').doc('test')
      .get()
      .then(snapshot => {
         setData(snapshot.data())
      })
      .catch(error => {
        console.error(error)
      })
class DisplayMessages extends React.Component {
  constructor(props) {
    super(props);
    this.state = {
      input: '',
      messages: []
    }
  }
  // add handleChange() and submitMessage() methods here
  handleChange(event){
    this.setState({
      input: event.target.value,
      messages: this.state.messages
    })
  }

  submitMessage(){
    this.setState({
      input: '',
      messages: [...this.state.messages, this.state.input]
    })
  }

  render() {
    return (
      <div>
        <h2>Type in a new Message:</h2>
        { /* render an input, button, and ul here */ }
        <input onChange={this.handleChange.bind(this)} value={this.state.input}/>
        <button onClick={this.submitMessage.bind(this)}>Submit</button>
        <ul>
          {this.state.messages.map((x, i)=>{
            return <li key={i}>{x}</li>
          })}
        </ul>
        { /* change code above this line */ }
      </div>
    );
  }
};
// define ADD, addMessage(), messageReducer(), and store here:
const ADD = "ADD";
const addMessage = message => {
  return {
    type: ADD,
    message
  };
};

// Use ES6 default paramter to give the 'previousState' parameter an initial value.
const messageReducer = (previousState = [], action) => {
  // Use switch statement to lay out the reducer logic in response to different action type
  switch (action.type) {
    case ADD:
      // Use ES6 spread operator to return a new array where the new message is added to previousState
      return [...previousState, action.message];
      break;

    default:
      // A default case to fall back on in case if the update to Redux store is not for this specific state.
      return previousState;
  }
};

const store = Redux.createStore(messageReducer);
// Redux Code:
  const ADD = 'ADD';

  const addMessage = (message) => {
    return {
      type: ADD,
      message
    }
  };

  const messageReducer = (state = [], action) => {
    switch (action.type) {
      case ADD:
        return [
          ...state,
          action.message
        ];
      default:
        return state;
    }
  };



  const store = Redux.createStore(messageReducer);
  
  
 /****REACT COMPONENTS*****/
  
 // React Code:

  class DisplayMessages extends React.Component {
  
 /*CONSTRUCTOR*/
  
    constructor(props) {
      super(props);
      this.state = {
        input: '',
        messages: []
      }
      this.handleChange = this.handleChange.bind(this);
      this.submitMessage = this.submitMessage.bind(this);
    }
    
 /*METHODES*/
  
    handleChange(event) {
      this.setState({
        input: event.target.value
      });
    }
    
    
    submitMessage() {
      const currentMessage = this.state.input;
      this.setState({
        input: '',
        messages: this.state.messages.concat(currentMessage)
      });
    }
    
    
    render() {
      return (
        <div>
          <h2>Type in a new Message:</h2>
          <input
            value={this.state.input}
            onChange={this.handleChange}/><br/>
          <button onClick={this.submitMessage}>Submit</button>
          <ul>
            {this.state.messages.map( (message, idx) => {
                return (
                   <li key={idx}>{message}</li>
                )
              })
            }
          </ul>
        </div>
      );
    }
  };
  
  
 /*PROVIDER*/
  
  const Provider = ReactRedux.Provider;

/*MAIN COMPONENTS*/
  class AppWrapper extends React.Component {
    // Below is the code required to pass the test
    render() {
      return (
        <Provider store={store}>
          <DisplayMessages />
        </Provider>
      );
    }
    // Above is the code required to pass the test
  };
const state = [];

// change code below this line
const mapStateToProps = (state)=>{
  return {
    messages: state
  }
}
const addMessage = (message) => {
  return {
    type: 'ADD',
    message: message
  }
};

// change code below this line
const mapDispatchToProps = (dispatch) => {
    return {
        submitNewMessage: (message)=>{
            dispatch(addMessage(message))
        }
    }
}
const addMessage = (message) => {
  return {
    type: 'ADD',
    message: message
  }
};

const mapStateToProps = (state) => {
  return {
    messages: state
  }
};

const mapDispatchToProps = (dispatch) => {
  return {
    submitNewMessage: (message) => {
      dispatch(addMessage(message));
    }
  }
};

class Presentational extends React.Component {
  constructor(props) {
    super(props);
  }
  render() {
    return <h3>This is a Presentational Component</h3>
  }
};

const connect = ReactRedux.connect;
// change code below this line

const ConnectedComponent = connect(mapStateToProps, mapDispatchToProps) (Presentational)
// Redux:
const ADD = 'ADD';

const addMessage = (message) => {
  return {
    type: ADD,
    message: message
  }
};

const messageReducer = (state = [], action) => {
  switch (action.type) {
    case ADD:
      return [
        ...state,
        action.message
      ];
    default:
      return state;
  }
};

const store = Redux.createStore(messageReducer);

// React:
class Presentational extends React.Component {
  constructor(props) {
    super(props);
    this.state = {
      input: '',
      messages: []
    }
    this.handleChange = this.handleChange.bind(this);
    this.submitMessage = this.submitMessage.bind(this);
  }
  handleChange(event) {
    this.setState({
      input: event.target.value
    });
  }
  submitMessage() {
    const currentMessage = this.state.input;
    this.setState({
      input: '',
      messages: this.state.messages.concat(currentMessage)
    });
  }
  render() {
    return (
      <div>
        <h2>Type in a new Message:</h2>
        <input
          value={this.state.input}
          onChange={this.handleChange}/><br/>
        <button onClick={this.submitMessage}>Submit</button>
        <ul>
          {this.state.messages.map( (message, idx) => {
              return (
                 <li key={idx}>{message}</li>
              )
            })
          }
        </ul>
      </div>
    );
  }
};

// React-Redux:
const mapStateToProps = (state) => {
  return { messages: state }
};

const mapDispatchToProps = (dispatch) => {
  return {
    submitNewMessage: (newMessage) => {
       dispatch(addMessage(newMessage))
    }
  }
};

const Provider = ReactRedux.Provider;
const connect = ReactRedux.connect;

// define the Container component here:
const Container = connect(mapStateToProps,mapDispatchToProps)(Presentational)

class AppWrapper extends React.Component {
  constructor(props) {
    super(props);
  }
  render() {
    // complete the return statement:
    return (
      <Provider store={store}>
        <Container />
      </Provider>
      );
  }
};
// Redux:
const ADD = 'ADD';

const addMessage = (message) => {
  return {
    type: ADD,
    message: message
  }
};

const messageReducer = (state = [], action) => {
  switch (action.type) {
    case ADD:
      return [
        ...state,
        action.message
      ];
    default:
      return state;
  }
};

const store = Redux.createStore(messageReducer);

// React:
const Provider = ReactRedux.Provider;
const connect = ReactRedux.connect;

// Change code below this line
class Presentational extends React.Component {
  constructor(props) {
    super(props);
    
    // Remove property 'messages' from Presentational's local state
    this.state = {
      input: ''
    }
    this.handleChange = this.handleChange.bind(this);
    this.submitMessage = this.submitMessage.bind(this);
  }
  handleChange(event) {
    this.setState({
      input: event.target.value
    });
  }
  submitMessage() {
  
    // Call 'submitNewMessage', which has been mapped to Presentational's props, with a new message;
    // meanwhile, remove the 'messages' property from the object returned by this.setState().
    this.props.submitNewMessage(this.state.input);
    this.setState({
      input: ''
    });
  }
  render() {
    return (
      <div>
        <h2>Type in a new Message:</h2>
        <input
          value={this.state.input}
          onChange={this.handleChange}/><br/>
        <button onClick={this.submitMessage}>Submit</button>
        <ul>
           {/* The messages state is mapped to Presentational's props; therefore, when rendering,
               you should access the messages state through props, instead of Presentational's
               local state. */}
          {this.props.messages.map( (message, idx) => {
              return (
                 <li key={idx}>{message}</li>
              )
            })
          }
        </ul>
      </div>
    );
  }
};
// Change code above this line

const mapStateToProps = (state) => {
  return {messages: state}
};

const mapDispatchToProps = (dispatch) => {
  return {
    submitNewMessage: (message) => {
      dispatch(addMessage(message))
    }
  }
};

const Container = connect(mapStateToProps, mapDispatchToProps)(Presentational);

class AppWrapper extends React.Component {
  render() {
    return (
      <Provider store={store}>
        <Container/>
      </Provider>
    );
  }
};
import React from 'react'
import ReactDOM from 'react-dom'
import { Provider, connect } from 'react-redux'
import { createStore, combineReducers, applyMiddleware } from 'redux'
import thunk from 'redux-thunk'

import rootReducer from './redux/reducers'
import App from './components/App'

const store = createStore(
  rootReducer,
  applyMiddleware(thunk)
);

ReactDOM.render(
  <Provider store={store}>
    <App/>
  </Provider>,
  document.getElementById('root')
);


// Only change code below this line
import React from 'react';
import ReactDOM from 'react-dom';

class MyForm extends React.Component {
  constructor(props) {
    super(props);
    this.state = { username: '' };
  }
  myChangeHandler = (event) => {
    this.setState({username: event.target.value});
  }
  render() {
    return (
      <form>
      <h1>Hello {this.state.username}</h1>
      <p>Enter your name:</p>
      <input
        type='text'
        onChange={this.myChangeHandler}
      />
      </form>
    );
  }
}

ReactDOM.render(<MyForm />, document.getElementById('root'));
import React,{ Component } from 'react'
  
class Form extends Component{ 
  constructor(props){ 
    super(props) 
    this.state = { email:'',name:'', age:null, address:'',phoneNo:''} 
    this.handleChange = this.handleChange.bind(this) 
    this.handleSubmit = this.handleSubmit.bind(this) 
  } 
  
  // Form submitting logic, prevent default page refresh  
  handleSubmit(event){ 
    const { email, name, age, address, phoneNo } = this.state 
    event.preventDefault() 
    alert(` 
      ____Your Details____\n 
      Email : ${email} 
      Name : ${name} 
      Age : ${age} 
      Address : ${address} 
      Phone No : ${phoneNo} 
    `) 
  } 
  
  // Method causes to store all the values of the  
  // input field in react state single method handle  
  // input changes of all the input field using ES6  
  // javascript feature computed property names 
  handleChange(event){ 
    this.setState({ 
      // Computed property names 
      // keys of the objects are computed dynamically 
      [event.target.name] : event.target.value 
    }) 
  } 
  
  // Return a controlled form i.e. values of the  
  // input field not stored in DOM values are exist  
  // in react component itself as state 
  render(){ 
    return( 
      <form onSubmit={this.handleSubmit}> 
        <div> 
          <label htmlFor='email'>Email</label> 
          <input  
            name='email'
            placeholder='Email' 
            value = {this.state.email} 
            onChange={this.handleChange} 
          /> 
        </div> 
        <div> 
          <label htmlFor='name'>Name</label> 
          <input 
            name='name' 
            placeholder='Name'
            value={this.state.name} 
            onChange={this.handleChange} 
          /> 
        </div> 
        <div> 
          <label htmlFor='age'>Age</label> 
          <input 
            name='age' 
            placeholder='Age'
            value={this.state.age} 
            onChange={this.handleChange} 
          /> 
        </div> 
        <div> 
          <label htmlFor='address'>Address</label> 
          <input 
            name='address' 
            placeholder='Address'
            value={this.state.address} 
            onChange={this.handleChange} 
          /> 
        </div> 
        <div> 
          <label htmlFor='phoneNo'>Phone Number</label> 
          <input 
            name='phoneNo' 
            placeholder='Phone No'
            value={this.state.phoneNo} 
            onChange={this.handleChange} 
          /> 
        </div> 
        <div> 
          <button>Create Account</button> 
        </div> 
      </form> 
    ) 
  } 
} 
  
export default Form
// setter
localStorage.setItem('myData', data);
 
// getter
localStorage.getItem('myData');
 
// remove
localStorage.removeItem('myData');
 
// remove all
localStorage.clear();
import axios from "axios";
import { redirect } from "helpers/historyDom";

import store from 'app/store';
import  {logout} from 'app/actions/authAction';
// const { default: axios } = require("axios");

/* creating custom axios  */
const axiosIntercept = axios.create({
    //baseURL : process.env.REACT_APP_API_URL , 
    //timeout : 200 , 
    headers : {
        'Content-Type': 'application/json',
        'Authorization' : `Token ${localStorage.getItem('god_token')}` , 
    },
});

/* callback to clear storage and local state */
const clearStorage = async (_callback) => {
    // await localStorage.clear()
    await store.dispatch(logout())
    _callback();
}
 
const requestHandler = (request) => {
    // console.log(request)
    request.headers.Authorization = `Token ${localStorage.getItem('god_token')}` ;
    return request ;
};
 
const responseHandler  = (response) => {
    if(response.status === 401){
        // console.log(response)
        // console.log("got yaaaaaaaaaaaaaaaaaa response")
        clearStorage(()=>{
            redirect('/Connexion')
        })
    }
    return response

};


const errorHandler = (error) => {
    if(error.response.status === 401){
        clearStorage(()=>{
            redirect('/Connexion')
        })
    };
    return Promise.reject(error)
    // return error
};


axiosIntercept.interceptors.request.use(
    (request) => requestHandler(request) ,
    (error) => errorHandler(error) ,
);


axiosIntercept.interceptors.response.use(
    (request) => responseHandler(request) ,
    (error) => errorHandler(error) ,
);

export default  axiosIntercept ;

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כמה עוד נשאר למשלוח חינם גם לעגלה ולצקאאוט הוספת צ'קבוקס לאישור דיוור בצ'קאאוט הסתרת אפשרויות משלוח אחרות כאשר משלוח חינם זמין דילוג על מילוי כתובת במקרה שנבחרה אפשרות איסוף עצמי הוספת צ'קבוקס לאישור דיוור בצ'קאאוט שינוי האפשרויות בתפריט ה-סידור לפי בווקומרס שינוי הטקסט "אזל מהמלאי" הערה אישית לסוף עמוד העגלה הגבלת רכישה לכל המוצרים למקסימום 1 מכל מוצר קבלת שם המוצר לפי ה-ID בעזרת שורטקוד הוספת כפתור וואטסאפ לקנייה בלופ ארכיון מוצרים הפיכה של מיקוד בצ'קאאוט ללא חובה מעבר ישיר לצ'קאאוט בלחיתה על הוספה לסל (דילוג עגלה) התראה לקבלת משלוח חינם בדף עגלת הקניות גרסה 1 התראה לקבלת משלוח חינם בדף עגלת הקניות גרסה 2 קביעה של מחיר הזמנה מינימלי (מוצג בעגלה ובצ'קאאוט) העברת קוד הקופון ל-ORDER REVIEW העברת קוד הקופון ל-ORDER REVIEW Kadence WooCommerce Email Designer קביעת פונט אסיסנט לכל המייל בתוסף מוצרים שאזלו מהמלאי - יופיעו מסומנים באתר, אבל בתחתית הארכיון הוספת כפתור "קנה עכשיו" למוצרים הסתרת אפשרויות משלוח אחרות כאשר משלוח חינם זמין שיטה 2 שינוי סימן מטבע ש"ח ל-ILS להפוך סטטוס הזמנה מ"השהייה" ל"הושלם" באופן אוטומטי תצוגת הנחה באחוזים שינוי טקסט "בחר אפשרויות" במוצרים עם וריאציות חיפוש מוצר לפי מק"ט שינוי תמונת מוצר לפי וריאציה אחרי בחירה של וריאציה אחת במקרה של וריאציות מרובות הנחה קבועה לפי תפקיד בתעריף קבוע הנחה קבועה לפי תפקיד באחוזים הסרה של שדות משלוח לקבצים וירטואליים הסתרת טאבים מעמוד מוצר הצגת תגית "אזל מהמלאי" בלופ המוצרים להפוך שדות ל-לא חובה בצ'קאאוט שינוי טקסט "אזל מהמלאי" לוריאציות שינוי צבע ההודעות המובנות של ווקומרס הצגת ה-ID של קטגוריות המוצרים בעמוד הקטגוריות אזל מהמלאי- שינוי ההודעה, תגית בלופ, הודעה בדף המוצר והוספת אזל מהמלאי על וריאציה הוספת שדה מחיר ספק לדף העריכה שינוי טקסט אזל מהמלאי