Benefits of using React with TypeScript

I am a passionate React JS developer and I strongly advocate using React with TypeScript. It is more than just being a replacement of React PropTypes, as TypeScript brings several larger key benefits to the React ecosystem…

1. READABILITY AND VALIDATION

What is fundamental to TypeScript is its optional, statically-typed system. Types can be added to variables, functions, properties, etc. and helps make the code more readable and bug-free for React developers if they use React with TypeScript. Types also help when using libraries and frameworks, as they let developers know exactly what type of data the APIs expect. More specifically it eliminates the usage of React’s PropTypes, and therefore makes it easier for React developers to code.

2. STRONG TOOLS FOR FAST APP DEVELOPMENT

Typescript’s Intellisense is a huge help towards fast app development. All the best IDE’s available today including VSCode, Atom, WebStorm, Visual Studio, Eclipse support code completion, and so much more, as they provide better autocomplete and snippet generation. In all, using React with TypeScript brings these strong IDEs they into the foray enabling a better and faster app development experience to React developers.

3. INTERFACES

TypeScript provides Interfaces to React developers, thus enabling complex Type definitions. This is helpful when we have a complex type that we want to use in our application, such as an object containing sub properties. Using Interfaces results in strict, in-time checks, which in turn reduces the number of possible bugs you might have produced without it. So code quality and simplification are other advantages that using React with Typescript brings to the table.

4. DECLARATION FILES

The Typescript community has released several Typescript Declaration files for popularly used JavaScript libraries. DefinitelyTyped is the most popular repository of Declaration Files for many JavaScript libraries most of which do not provide their own declaration files. This enables developers using React with Typescript to leverage from many useful JavaScript libraries as if they were TypeScript libraries.

5. STATE OF THE ART JAVASCRIPT

TypeScript offers support for the latest and evolving JavaScript features, including those from ECMAScript 2015 and future proposals, like async functions and decorators, to help build robust components. These features are available at development time for high-confidence app development but are compiled into simple JavaScript that targets ECMAScript 3 (or newer) environments. It therefore gives the ability to developers using React with TypeScript, to compile down to a version of JavaScript that runs on all browsers.

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