Redux is now the famous state management library but it can be overwhelming. In this tutorial we will make a simple todo app with React, Redux and Bulma. Bulma is a awesome UI library. Here is a screenshot of what we will be making today

View Demo View Source code

Use create react app to make the react app.

yarn create react-app my-app

You will see the following packages in the package.json

  "react": "^16.5.2",
  "react-dom": "^16.5.2",
  "react-scripts": "1.1.5"

Add redux to the project

yarn add redux
yarn add react-redux

Add provider and store to the index file. Provider makes the redux store available to the components. CreateStore creates the redux store that holds the state tree. The data in the store can be changed by calling dispatch() on it. This is how the index file will look like after adding store.

// Import store to the project
import React from 'react'
import { render } from 'react-dom'
import { createStore } from 'redux'
import { Provider } from 'react-redux'
import App from './components/App'
import rootReducer from './reducers'
 
const store = createStore(rootReducer)
 
render(
  <Provider store={store}>
    <App />
  </Provider>,
  document.getElementById('root')
)

Create following folders and files to better organize the project.

|   index.css
|   index.js
|   registerServiceWorker.js
|
+---actions
|       index.js
|
+---components
|       App.js
|       App.test.js
|       Header.js
|       Main.js
|       TodoInput.js
|       Todolist.js
|
+---constants
|       ActionTypes.js
|
+---containers
|       Header.js
|       Main.js
|       VisibleTodolist.js
|
\---reducers
        index.js
        todos.js

Add two actions to the Action.js

import * as types from '../constants/ActionTypes'
 
export const addTodo = text => ({ type: types.ADD_TODO, text })
export const completeTodo = id => ({ type: types.COMPLETE_TODO, id })

Add todos reducer

import { ADD_TODO, COMPLETE_TODO } from '../constants/ActionTypes';
 
const initialState = [
  {
    id: 0,
    text: 'Wash Jeans',
    completed: false
  },
];
 
const todos = (state = initialState, action) => {
  switch (action.type) {
    case ADD_TODO:
      return [
        ...state,
        {
          id: state.reduce((maxId, todo) => Math.max(todo.id, maxId), -1) + 1,
          completed: false,
          text: action.text,
        },
      ];
    case COMPLETE_TODO:
      debugger;
      let filtertodo =  state.filter(
        todo => todo.id !== action.id
      )
      return filtertodo
    default:
      return state;
  }
}
 
export default todos

Add following code to App.js

import React, { Component } from "react";
import Header from "../containers/Header";
import Main from "./Main";
import { Hero, Section, Container } from "react-bulma-components/full";
import Navbar from "react-bulma-components/lib/components/navbar";
import { Columns } from "react-bulma-components";
class App extends Component {
  render() {
    return (
      <div>
        <Hero color="primary">
          <Hero.Head>
            <Navbar>
              <Navbar.Brand>
                <Navbar.Item renderAs="a" href="#">
                  <h1>ashish.me</h1>
                </Navbar.Item>
              </Navbar.Brand>
            </Navbar>
          </Hero.Head>
        </Hero>
        <Section>
          <Container>
            <Columns>
              <Columns.Column />
              <Columns.Column>
                <Header />
                <br />
                <Main />
              </Columns.Column>
              <Columns.Column />
            </Columns>
          </Container>
        </Section>
      </div>
    );
  }
}
 
export default App;

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