Making ReactJS Realtime With Websockets

Making #ReactJS Realtime With #Websockets

  • Installation – Now, install create-react-app and also scaffold a new React app with the following commands: – npm install -g create-react-app – – create-react-app react-pusher – – Once all the necessary files are installed, change directory into react-“pusher and start the application with: – npm start – – By now,…
  • There are number of dependencies required for the application server, so let’s install them immediately: – npm install –save axios body-parser cors express pusher pusher-js – – To configure the entry point of the application, create a file called server.js and paste the code below into it: – const Pusher…
  • /ChatBox.css’; – export default ({ text, username, handleTextChange }) = ( – div – div className=”row” – div className=”col-xs-12″ – div className=”chat” – div className=”col-xs-5 col-xs-offset-3″ – input – type=”text” – value={text} – placeholder=”chat here…” – className=”form-control” – onChange={handleTextChange} – onKeyDown={handleTextChange} – / – /div – div className=”clearfix”/div – /div…
  • /avatar.png”; – export default ({ chats }) = ( – ul – {chats.map(chat = { – return ( – div – div className=”row show-grid” – div className=”col-xs-12″ – – div className=”chatMessage” – div key={chat.id} className=”box” – p – strong{chat.username}/strong – /p – p{chat.message}/p – /div – div className=”imageHolder” – img…
  • The state variables in the app are created and defined in the constructor like this: – … – class App extends Component { – constructor(props) { – super(props); – this.state = { – text: ”, – username: ”, – chats: [] – }; – } – componentDidMount() { – ……

This quick tutorial will lead you through building a basic, realtime group chat app, similar to our demo here…
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Learning React and React-Native – Jorge Rubiano – Medium

Learning React and React-Native  #react #learning #reactnative #reactjs #reactjs

  • Learning React and React-NativeExample APP React-nativeIn this article I want to show you about my learning experience using the technologies: “React” and “react-native”, in this moment I am not an expert in this topic, but I am convinced the best option for learning is to create something.Shots — Game ES6I heard about react in the past year (2016), in that year I followed the new technologies and standards in Javascript, learning about ES6, how to configure a basic environment with npm scripts, in this case I used this environment to develop simple games with ES6 and use new technologies such as Service WorkerI decided to start learn react, At first to me was complicated because I had never used webpack, the majority of tutorials I followed need configure this tool initially.Fortunately in this year emerged create-react-app, with this module is very easy to start a project with react, this module configure the environment for you.With create-react-app developed my first “Hello World”, the process was very easy, even the browser makes automatic updates, I think this is “Awesome”.
  • I read articles and saw videos about react, later I decided search a course, It called my attention “react for beginners” by Wes Bos, I learned other topics in courses the Wes Bos for example Flexbox, then I decided to take that course (React for Beginners).
  • Example Project course.The project we develop in this course is called “Catch of the day”, we not only learned about react but also firebase, in this course I understood about the JSX, state, props, components, routing, fetch data and other topics.For me this course is a good introduction to learn react, in this course we not use redux or other libraries to manage the state.Personally I liked React because I use ES6 in the process, for example .
  • reducer, arrow functions and other features , I know there are other fantastic frameworks for example AngularJS/Angular or libraries such as VueJS, At this moment for my work React is the perfect tool.

In this article I want to show you about my learning experience using the technologies: “React” and “react-native”, in this moment I am not an expert in this topic, but I am convinced the best option…
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Sharing state in a Symfony hybrid with Twig, React and other JavaScript apps

  • I still wanted to keep working with these two applications fluent, so I decided to share the state of the object via a dedicated object.
  • The way I see it is that this sharing of a state object can reduce friction on working with PHP-JavaScript hybrid applications by removing guessing variable names and inventing new data structures.
  • A while back I was working on an application where the back end is a full stack Symfony application.
  • In the end we’ll pass the Twig templating engine the object as well as the serialized state.
  • I was working on decoupling the front end completely by having the Symfony app serve only as an API backend.

Front end development has certainly grown up in the last few years. UI logic is increasingly being moved to the client side, but the tradit…
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Testing your React components with Jest snapshots

Test your react components with Jest snapshots:  by @thibaut_cheymol #reactjs #JavaScript

  • Test your react components with Jest snapshots
  • describe ( ‘ Our first snapshot test ‘ , () => { it ( ‘ Should compare the component with a snapshot ‘ , () => { const component = ‘
    Hello Jest

    ‘ expect ( component ) .

  • As we already have unit tests set up, we are going to test our first component right now.
  • Component snapshot tests are unit tests, so they are really fast, but they test your component behaviour.
  • import React , { Component } from ‘ react ‘ ; import ‘ ..

Test ReactJS and React Native components with Jest snapshots
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How to avoid refactoring in your first React.js application

How to avoid refactoring in your first #ReactJS app:

  • In the short blog post I will try to point out some pitfalls, which you should take care of if you want to avoid refactoring in your first React.js application.
  • A common pattern is to create several stateless components that just render data, and have a stateful component above them in the hierarchy that passes its state to its children via props.
  • I don’t see any reasons why not using ES6.
  • If we want to change the data of our big grid component, we have to re-initialize our grid as a jQuery object in React using the componentDidUpdate method.
  • Let’s imagine we need a big grid component, which does some complex things with cells.

Popularity of React.js is growing pretty fast and it seems like React became a compact and beautiful way of how to develop your applications. I have worked on a side project and felt like it is right time to try React. During development of my first project in React I had to do several refactorings. In this short blog post I will try to point out some pitfalls, which you should take care of if you want to avoid refactoring in your first React.js application.
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Worry-free React with create-react-app – Medium

  • Installing the create-react-app tool via npm
  • Migrating all my source files to the new folder structure generated by the create-react-app tool
  • Just run the `npm start` command and everything is compiled for you, a dev server is booted up and you can see your application running on localhost.
  • I’ve got a few more React projects in my pipeline and I’m definitely planning on using create-react-app for each fresh start of a React app.
  • You can run the `npm run eject` command and get all the dependencies and config files copied into your folder and customize them to your heart’s content.

Read the full article, click here.


@wisecobbler: “Worry free #reactjs with create-react-app”


Aside from working on my pet project, Shopsifter, and my gig as the editor of the Fullstack React newsletter, I also do contract work. I…


Worry-free React with create-react-app – Medium