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Using OpenLayers 6 with React Functional Components and Hooks

Here is a sample application that demonstrates how to integrate OpenLayers with React Functional Components including:

  • creating a wrapper component (MapWrapper.js)
  • using hooks to initialize the map and add features from props
  • get/set component state from within an OpenLayers event handler using refs
  • Fetch and parse GeoJSON features from a mock API (done inside App.js)

An example application featuring OpenLayers and React Functional Components

Install

Install the dependencies with the following command:

npm install

Launch with Development Server

To run a development build and launch the development server, execute:

npm start

Once completed, the app should be avialable from http://localhost:3000/

Development Environment

This application was developed using create-react-app, with Node version v12.16.1

Supplemental Blog Post

Here is a blog post I created that explains the integration in further detail: https://taylor.callsen.me/using-openlayers-with-react-functional-components/

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A sample application that demonstrates how to integrate OpenLayers with React Functional Components.

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