Your Choice JavaScript News

React News Sunday, March 18 React native, Import, React & more…

React News TLDR / Table of Contents

  • Building Chatty — Part 1: Setup – React Native Training –
    • This is the first blog in a multipart series where we will be building Chatty, a WhatsApp clone, using React Native and Apollo. You can view the code for this part of the series here. Each part of…
    • React Native, import, export const Schema, export const Mocks, default class App
  • donavon/react-af
    • GitHub is where people build software. More than 27 million people use GitHub to discover, fork, and contribute to over 80 million projects.
    • React, import React, modern React, modern React features, React RFC
  • The Beginner’s Guide to ReactJS — Notes Part 7 – ellereeeee –
    • This section will discuss how to make a basic form with React, how to prevent default submit behavior with onSubmit, and how to get values from a form. By default, submit refreshes the page. To fix…
    • submit button, input, input type=, error,
  • Part 1GoalsHeres what we are going to accomplish in this first tutorial: – Set up our dev environmentStart a basic express serverCreate our first GraphQL SchemaStart a basic React Native clientConnect our express server and RN client with ApolloGetting startedFor this tutorial series, were going to start from absolute scratch….
  • Lets start with this basic directory structure: – /chatty – /node_modules – package.json – /server – … express files – /client – /node_modules – package.json – … RN filesWe will keep our React Native code separate from our server code.
  • Heres the terminal code to get us started: – Step 1.1: Create package.json andindex.js# make our directory – mkdir chatty – cd chatty# start yarn package managing – yarn init# build some server folders and files – mkdir server – cd server – touch index.jsSetting up the dev environmentWell start…
  • js – …import express from ‘express’;const PORT = 8080;const app = express();app.listen(PORT, () = console.log(`Server is now running on verify our setup works by running yarn start.
  • Well create a new folder /server/data and add a new file schema.js: – Step 1.5: Create basicschemaAdded const Schema = [ – `type Query { – testString: String – } – schema { – query: Query – }`, – ];export default Schema;Apollo requires a list of strings written in GraphQLs…

Tags: React Native, import, export const Schema, export const Mocks, default class App

  • One problem that React component library developers face is that they don’t control the version of React that they run on this is controlled by the consuming application.
  • emulates newer features of React on older versions, allowing developers to concentrate on the business problem and not the environment.
  • You can now code your library components as though they are running on a modern React (not all features supported… yet), even though your code may be running on an older version.
  • Here are the modern React features that you can use, even if yur code is running on older version of React 15 or React 16.
  • Starting with React 16.2, there is a new component that allows you to return multiple children.

Tags: React, import React, modern React, modern React features, React RFC

  • class NameForm extends React.Component { – handleSubmit = event = { – event.preventDefault() – } – render() { – return ( – form onSubmit={this.handleSubmit} – label – Name: – input type=text / – button type=submitSubmit/button – /label – /form – ) – } – }Now the page doesnt refresh anymore…
  • We could rewrite the code like this: – setRef = node = { – this.inputNode = node – } – render() { – return ( – form onSubmit={this.handleSubmit} – label – Name: – input type=text name=username ref={this.setRef}/ – button type=submitSubmit/button – /label – /formTL;DRThere are three ways to get the…
  • It looks like this: – class NameForm extends React.Component { – handleSubmit = event = { – event.preventDefault() – const value = – const error = this.props.getErrorMessage( – value, – ) – if (error) { – alert(`error: ${error}`) – } else { – alert(`success: ${value}`) – } – }render() {…
  • Add state after the beginning of the class body like this: – state = {error: null}Add the onChange prop to the input and assign it this.handleChange like this: – input type=text onChange={this.handleChange} name=username /The handleChange method gets the value of the input and sets error state property with the getErrorMessage…
  • The code looks like this: – handleChange = (event) = { – const {value} = event.target – this.setState({ – error: }) – }Get our error in the state at the beginning of the render method like this: – const {error} = this.stateDisable the button by default by assigning it a…

Tags: submit button, input, input type=, error,

Top React Courses

Modern React with Redux (86,762 students enrolled)

By Stephen Grider
  • Build amazing single page applications with React JS and Redux
  • Master fundamental concepts behind structuring Redux applications
  • Realize the power of building composable components
  • Be the engineer who explains how Redux works to everyone else, because you know the fundamentals so well
  • Become fluent in the toolchain supporting React, including NPM, Webpack, Babel, and ES6/ES2015 Javascript syntax

Learn more.


The Complete React Native and Redux Course (53,888 students enrolled)

By Stephen Grider
  • Create real-world native apps using React Native
  • Make truly reusable components that look great
  • Understand the terminology and concepts of Redux
  • Prototype and deploy your own applications to the Apple and Google Play Stores
  • Get up to speed with React design principles and methodologies
  • Discover mobile design patterns used by experienced engineers

Learn more.


Advanced React and Redux (35,016 students enrolled)

By Stephen Grider
  • Build a scaleable API with authentication using Express, Mongo, and Passport
  • Learn the differences between cookie-based and token-based authentication
  • Figure out what a Higher Order Component and how to use it to write dramatically less code
  • Write Redux middleware from scratch to uncover what is happening behind the scenes with Redux
  • Set up your own testing environment with Mocha and Chai
  • Realize the power of building composable components

Learn more.


React Redux React-Router: From Beginner to Paid Professional (11,715 students enrolled)

By Leonardo Daniel
  • Building your amazing web applications with React JS and Redux
  • Getting a high-paying job as a front-end developer
  • Getting experience through doing many exercises. Re-enforcing your knowledge of ES6, advanced JavaScript, Redux, React through attempting a lot of quizzes. Practice makes perfect.
  • Becoming familiar with the technologies supporting React, including NPM, Webpack, Babel, and ES6/ES2015.

Learn more.


React Native: Advanced Concepts (16,058 students enrolled)

By Stephen Grider
  • Make compelling applications using expert-level features of React Native
  • Create amazingly smooth and performant animations
  • Build new React Native apps with Expo
  • Understand the latest Navigation options for new React Native apps
  • Add logic to your Firebase backend with Google Cloud Functions
  • Update your users with cross platform Push Notifications
  • Handle your users going offline with Redux Persist

Learn more.


React JS and Redux - Mastering Web Apps (54,299 students enrolled)

By David Katz
  • Develop entire React JS and Redux applications from scratch.
  • Build applications that deal with APIs and web requests.
  • Discuss ES6 and advanced JavaScript.
  • Create web apps with full authentication, and real-time database.

Learn more.


React basic in just 1 hour (22,331 students enrolled)

By Leo Trieu
  • Taste of how to build your very first React component.
  • How to handle event in components.
  • Understand two key concepts of React: State and Props.
  • How to reuse and nest components.
  • How to transfer data between Parent, Child components.
  • How to work with Array, Form

Learn more.


Meteor and React for Realtime Apps (7,889 students enrolled)

By Stephen Grider
  • Create interactive web apps amazingly fast
  • Build amazing single page applications with Meteor and React JS
  • Master fundamental concepts behind structuring Meteor applications
  • Learn the true purpose of Meteor in a modern application
  • Be the engineer who explains how Meteor works to everyone else, because you know the fundamentals so well
  • Build and prototype interesting personal projects in a weekend

Learn more.


GraphQL with React: The Complete Developers Guide (14,683 students enrolled)

By Stephen Grider
  • Build amazing single page applications with React JS and GraphQL
  • Master fundamental concepts behind structuring GraphQL servers
  • Realize the power of building flexible data schemas
  • Be the engineer who explains how GraphQL works to everyone else, because you know the fundamentals so well
  • Become fluent in the ecosystem supporting GraphQL, including the differences between Apollo and Relay

Learn more.


Essentials in JavaScript ES6 - A Fun and Clear Introduction (40,155 students enrolled)

By David Katz
  • Create ES6 applications from the ground up.
  • Use the terminal/command-line application and a code editor to code.
  • Look at ES6 code and understand keyword and concepts.
  • Create live development servers with Webpack.

Learn more.


The Full JavaScript & ES6 Tutorial - (including ES7 & React) (55,808 students enrolled)

By David Katz
  • Code in JavaScript like a pro.
  • Code in es6 comfortably, using all the new features.
  • Build es6 projects from the ground up using tools like webpack and babel.
  • Create a basic ReactJS application from scratch.

Learn more.