The ability to create a real-time update on the client-side helps improve the user experience of the site, making everything seem smoother. Also, here’s the repo containing the code demonstrating subscription on the the client-side. Just before we start, this is the repo containing the code demonstrating everything under Real-time update on GraphQL, using Apollo as a state management tool, Fragments, and Apollo directives. We’ll install those dependencies by running: npm install The repo contains both the client-side and server, so we have some other dependencies that’s needed. Once that’s done, we’ll install Apollo using this line: npm i better still, you could just go on and clone the repo. Next, let’s navigate into our project folder on the terminal: cd react-graphql Once that’s done, we can get started with our React app by running this command: npx create-react-app react-graphql If not, just go to the Node.js website to download the latest version. If you haven’t built a React app before, you can check to see if you have Node.js installed by typing the following into your terminal: node -v To create a React app, make sure you have Node.js installed on your computer. Installationīefore we begin, let’s just go through installation and setting up our project. ![]() Plus, we’ll look at how to create usuable GraphQL queries with Fragments, and how to use Apollo directives to write more complex queries. We’ll also be touching on how to use Apollo as a state-management tool, possibly replacing redux. We’ll be learning how to do this with GraphQL Features like Cache Update, Subscriptions, and Optimistic UI. In this article, we’re going to learn how to handle real-time updates on the client-side using GraphQL. It can also act as a state management tool with your client-side application. It allows developers to define, handle, and make queries/mutations available within our application. Usually, to handle GraphQL on the client-side, we make use of the Apollo Client. This prevents issues like over-fetching that can impact performance. ![]() Without much effort, one can easily pull nested data by just adding more properties to our queries instead of adding multiple endpoints. One of the main benefits of GraphQL is the client’s ability to request what they need from the server and receive that data exactly and predictably. GraphQL provides certain benefits over REST APIs - let’s find out what they are. Within the last decade, technologies like GraphQL have changed how we build web apps and how they communicate with each other.
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