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egghead.io

RTK Query Basics: Query Endpoints, Data Flow and TypeScript

via egghead.io

Overview

Almost every React application needs to fetch data from a server and cache the result between renders. Traditionally, in-memory API Caching is something that has been done in React applications either on a per-component-level, which lead to application state running out of sync, or using a global state like Redux, which required a lot of hand-written code. RTK Query is part of the official Redux Toolkit and provides an application-global API cache that abstracts most of that hand-written code away, leading to a lot more readable code bases. It also offers a lot of advanced features like auto-generated hooks In this course, you will learn about - Using `createApi` to define multiple endpoints to interact with your API - The auto generated `useQuery` hooks and how to use them in your application - The RTK Query Dataflow and the role of the `baseQuery` function - The Redux Devtools “RTK Query” Monitor and which actions are flowing though your app - How to use RTK Query either with an `ApiProvider` or a pre-existing Redux store - Using RTK Query with TypeScript

Syllabus

  • Course Introduction and Application Walk through for RTK Query Basics
  • Set up RTK Query with createAPI and ApiProvider that Serve Fake Data
  • Fetch Data from a Live Endpoint with RTK Query
  • Pass Query Arguments to RTK Query Hooks
  • Refactor RTK Query Endpoints to use baseQuery to Remove Code Duplication
  • Refactor baseQuery to use RTK Query fetchBaseQuery
  • Convert a RTK Query Application to TypeScript
  • Explore Redux Devtools to Understand Your RTK Query App Data Fetching Behavior
  • Refactor RTK Query to Use a Normal Redux Toolkit Store

Taught by

Lenz Weber-Tronic

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