React

React Lifecycle

React Component Lifecycle

Reading Time: 5 minutes A react component has certain lifecycle methods in which we can insert our own code and execute it at a particular moment during the lifecycle of the component. A react component can go through different sets of lifecycle methods depending upon in which phase the component is. These Phases are Mounting, Updating, and Unmounting. Mounting Following is the order of execution for the methods, when Continue Reading

Use State React Hook

React Hooks: useState – Part 2

Reading Time: 3 minutes As we can discuss a lot about React Hooks in React Hooks: Introduction – Part 1. In this blog, we are going to discuss the useState hook in detail. As this hook let us use state without writing a class. This hook is the equivalent of this.state/this.setState for functional components. Declaring a state variable useState is a named export from react so to use it, Continue Reading

Channels in redux-saga

Reading Time: 3 minutes What are the channels? Are they useful to us in day to day programming? We’ll be going through this blog that channels are played really a major role in redux-saga. Channels: Channels are of 3 types which are used to perform 3 different things, here I will brief you about those channels here but will explain in detail a bit later. Action Channels: Action channel Continue Reading

Redux Saga Effects

Reading Time: 6 minutes Effects are the kind of utility that’s provided by the redux-saga package. when u invokes effects it returns object contains instructions which redux-saga interprets. The effects don’t have any special property outside the redux-saga application because it’s redux-saga that generates side effects like API call database or something else, The effect itself doesn’t actually do anything. If you don’t know how to create a Saga, Continue Reading

React Hooks: Introduction – Part 1

Reading Time: 3 minutes React hooks were introduced at React Conf October 2018 to introduce state management and side-effects in functional components. They have become a game-changer for a lot of developers. These hooks change the fundamental mindset because of switching from class-based components to functional components with hooks. In this blog post, we will get an overview of these hooks, with the look of how the same logic Continue Reading

Create your saga with redux-saga

Reading Time: 3 minutes After reading this blog, you will be able to understand the brief about what is redux-saga. Also you able to install, configure, and create the basic saga in your application. So, before we get any deeper, it’s important to note, that the actual term “saga”. A saga in general programming series of reversible transactions, the saga is designed to replace single huge, locking transactions. eg: Continue Reading

Progressive Web App Testing with Cypress.io

Reading Time: 4 minutes A few days back during a client presentation, we were discussing different tools that can help us to perform end to end testing of a web app developed on some emerging technologies like Ionic, React, Angular and Vue. I am a super fan of selenium for testing different web apps and also have used Protractor for testing some of the angular based applications but this Continue Reading

How data is handled between Components in React (State vs Props)

Reading Time: 3 minutes Prerequisites : Basic understanding of React. Here’s a blog you can refer to : Getting Started with React PROPS Every component in react have a property called props associated to it. This lets you make a single component that is used in many different places in your app, with slightly different properties in each place. If we write a react component in es5, it’s nothing Continue Reading

Getting Started with React

Reading Time: 3 minutes React (sometimes called React.js or ReactJS) is an open-source JavaScript library for building user interfaces. It allows developers to create large web-applications that use data that can change over time, without reloading the page. It aims primarily to provide speed, simplicity and scalability. React is flexible. You can create a separate project on react, or you can add it to an existing code base of Continue Reading

Getting started with ReactJS, Play 2.4.x, Scala, Anorm and WebJars

Reading Time: 2 minutes playing-reactjs This blog describes a basic example to render UI using React(A JavaScript library for building user interfaces) with Play 2.4.x, Scala, Anorm and WebJars. It also demonstrates the use of evolution in Play 2.4.x This is a classic CRUD application, backed by a JDBC database. It demonstrates: Handling asynchronous results, Handling time-outs Achieving, Futures to use more idiomatic error handling. Accessing a JDBC database, Continue Reading