gkueny

//...
import Logout from './logout';
//...
class App extends Component {
  constructor() {
    super();
    this.state = {
      token: null
    };
  }

gkueny

<Router>
  <AppComponent>
    <Route exact path="/" component={HomeComponent} />
    <Route path="/login" component={LoginComponent} />
    <ProtectedRoute path="/admin" component={AdminComponent} />
  </AppComponent>
</Router>

gkueny

import React, {Component} from 'react';
import * as firebase      from 'firebase';

class HaveToLogginComponent extends Component {
    
    constructor() {
        super();
        this.state = {
            authenticate : false   
        }

gkueny

// File : src/actions/chat.actions.js

import {UPDATEMESSAGES} from './actions.type';

export function updateMessage(messages) {

    return {
        type: UPDATEMESSAGES,
        data: {
            messages

gkueny

// initialisation du state
this.state = {
    myText  : "",   // notre texte
    foo     : 1     // un nombre quelconque
}