React Component Type

In order to give you more control over the form and function of each component it replaces Bootstraps JavaScript with React. These options each have advantages and disadvantages some giving you more protection against style conflicts or allowing you to directly refer to props or other dynamic data.

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ReactElement is also the return type of ReactcreateElement.

React component type. In this guide you will learn how to statically type Reactjs components using the compile-to-JavaScript language TypeScript. Create a Class Component. Each component is built to be easily accessible important for front-end framework building.

Import React FC from react. React Class Components. This is an alias for FunctionalComponent which is also acceptable.

It has one required property a function which will return a ReactElement or null. In this example we are using a class component but the same functionality could also be applied to function components or components created by Reactmemo or ReactforwardRef. For an intrinsic element typeof Component will be the string literal for the intrinsic you used.

Using TypeScript with React allows you to develop strongly-typed components that have identifiable props and state objects which will ensure any usages of your components are type checked by the compiler. Typeof Component is the component type of the React element. Plain Cascading Style Sheets CSS inline styles with JavaScript-style objects and JSS a library for creating CSS with JavaScript.

The correct type for a functional component is ReactFunctionComponent or ReactFC which is a shortcut alias for it. The component also requires a render method this method. A ReactElement takes a single type argument typeof Component.

When an invalid. Thankfully we can make use of the React types library by simply importing the FC type. In this example were using PropTypesstring.

PropTypes exports a range of validators that can be used to make sure the data you receive is valid. The FC type simply add. FC switch tab case 1.

In this tutorial youll learn three different ways to style React components. ReactPropTypesequalTo function component return function validatepropValue key componentName location propFullName const prop propValuekey if proptype. It has a few optional properties such as propTypes contextTypes defaultProps and displayName.

When creating a React component the components name must start with an upper case letter. React Class Components were introduced with JavaScript ES6 because JS classes were made available to the language. Next on our list of React UI component libraries is React Bootstrap a UI kit that retains its Bootstrap core.

Well also import ReactElement which will be the return signature of the function import React FC ReactElement from react. A deep dive into generic React components in TypeScript - generics assertion functions type narrowing the whole bunch. The component has to include the extends ReactComponent statement this statement creates an inheritance to ReactComponent and gives your component access to ReactComponents functions.

Sometimes they are called React ES6 class components as well. Having at least JavaScript ES6 at your disposal you no longer had to use Reacts createClass method. A function component is of type ReactFunctionComponent and it has an alias ReactFC to keep things nice and short.

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