@syncfusion/ej2-react-treemap

React TreeMap Component

The React TreeMap component provides a simple and effective way to visualize flat or hierarchical data as clustered rectangles with a specific, weighted attribute determining the size of each rectangle.

Getting started . Online demos . Learn more

Trusted by the world's leading companies

Setup

Create a React Application

You can use create-react-app to setup applications. To create React app, use the following command.

npx create-react-app my-app --template typescript
cd my-app
npm start

Add Syncfusion^® TreeMap package

All Syncfusion^® React packages are published in the npmjs.com registry. To install the React TreeMap package, use the following command.

npm install @syncfusion/ej2-react-treemap --save

Add TreeMap Component

In the src/App.tsx file, use the following code snippet to render the Syncfusion^® React TreeMap component.

import { React } from 'react';
import { TreeMapComponent } from '@syncfusion/ej2-react-treemap';
function App() {
    let data: any = [
    { State: 'Brazil', Count: 25 },
    { State: 'Colombia', Count: 12 },
    { State: 'Argentina', Count: 9 },
    { State: 'Ecuador', Count: 7 },
    { State: 'Chile', Count: 6 },
    { State: 'Peru', Count: 3 },
    { State: 'Venezuela', Count: 3 },
    { State: 'Bolivia', Count: 2 },
    { State: 'Paraguay', Count: 2 },
    { State: 'Uruguay', Count: 2 },
    { State: 'Falkland Islands',Count: 1 },
    { State: 'French Guiana', Count:1 },
    { State: 'Guyana', Count: 1 },
    { State: 'Suriname', Count: 1 },
  ];
   return (<TreeMapComponent height='350px' dataSource={data} weightValuePath='Count'
     leafItemSettings={{ labelPath: 'State' }}></TreeMapComponent>);
}
export default App;

Supported frameworks

TreeMap component is also offered in the following list of frameworks.

JavaScript	Angular	Vue	ASP.NET Core	ASP.NET MVC

Showcase samples

• Olympic medal categories details - Live Demo
• Countries population details - Live Demo
• Fitness Tracker - Source, Live Demo

Key features

• Data sources: Binds the treemap component with an array of JSON objects or DataManager. Both hierarchical and flat collection data sources are supported.
• Levels: Renders with any number of levels and items.
• Layout: Supports four types of layouts: square, horizontal, vertical, and auto.
• Drill-down: Provides drill-down option to have a closer look at the lower level of a hierarchy.
• Data label: Provides additional information about the nodes.
• Header template: Uses any custom HTML element to customize the header of each item.
• Label template: Uses any custom HTML element to customize the data label for each node.
• Color mapping: Applies colors to the nodes based on various conditions. Treemap supports three types of color mapping: range, equal, and desaturation.
• Legend: Provide useful information for conveying what the treemap showcases.
• Selection and highlight: Support selecting or highlighting the nodes to bring center of attraction.
• Tooltip: Provides additional information about the node on hover.
• Print and Export: Prints or exports the rendered treemap to a desired format. Exporting supports four formats: PDF, PNG, JPEG and SVG.
• Globalization: Personalize the treemap component with different languages, as well as culture-specific number, date and time formatting.
• Accessibility: Provides with built-in accessibility support which helps to access all the treemap component features through the keyboard, screen readers, or other assistive technology devices.

Resources

• Documentation
• AI Coding Assistant
• Theme Studio
• What's New
• Road Map
• E-Books

Support

Product support is available through the following mediums.

• Support ticket - Guaranteed Response in 24 hours | Unlimited tickets | Holiday support
• Community forum
• GitHub issues
• Request feature or report bug
• Live chat

Changelog

Check the changelog here. Get minor improvements and bug fixes every week to stay up to date with frequent updates.

License and copyright

This is a commercial product and requires a paid license for possession or use. Syncfusion’s licensed software, including this component, is subject to the terms and conditions of Syncfusion's EULA. To acquire a license for 140+ React UI components, you can purchase or start a free 30-day trial.

A free community license is also available for companies and individuals whose organizations have less than $1 million USD in annual gross revenue and five or fewer developers.

See LICENSE FILE for more info.

© Copyright 2026 Syncfusion^® Inc. All Rights Reserved. The Syncfusion^® Essential Studio^® license and copyright applies to this distribution.