The dropzone component will accept six event handlers. This also includes defining some interface for its props, or component API. The first thing we need is to define the file dropzone component. Lastly, we will also memoize every component using memo HOC. Next, we will also use useEffect hook for attaching event listeners and observing dropzone’s state. That’s basically it.įor state management, we will use the React useState hook. The logic for dropzone will require us to handle few drag and drop events, some simple state management for active state and processing of dropped files. However, this is not necessarily the truth. The idea of custom file dropzone component may look complicated. We will replace it later with the file dropzone and list of files. However, you can leave the content of the App component as it is for now. This includes the logo and the content of App.tsx. Using the create-react-app template will generate some stuff we can remove. This class will apply some CSS styles to highlight the dropzone. This means when someone drags a file over it. We will use this library for appending class to the file dropzone when it is active. This will give us all resources we need, almost.Īlong with the default React and TypeScript dependencies, we will also add classnames library. We will create this app using the create-react-app, with the TypeScript template ( -template typescript flag). In this tutorial we will create a simple file dropzone from scratch without any special dependencies.
#React dropzone uploader how to#
You will learn how to handle various drag and drop events, how to process dropped files and how to create a simple API for reusable dropzone component.ĭemo on Codesandbox.
This tutorial will help you create your own simple file dropzone. There are various solutions for file dropzones. Conclusion: How to create file dropzone in React and TypeScript.Creating the App component and making it work.
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