Uncaught ReferenceError: process is not defined ReactJS

Updated at 09-Nov-2022, By samar

Uncaught ReferenceError: process is not defined ReactJS

In this session, we are going to try to solve the "Uncaught ReferenceError: process is not defined ReactJS" puzzle by using the computer language.

Hello friends, Here, we will examine how to solve the error Uncaught ReferenceError: process is not defined in ReactJS in react app. There are a variety of approaches that can be taken to solve the same problem. You can install the latest script to solve the error.

  • Add latest react-scripts using npm

    You can run npm install [email protected] command to get the solution of error Uncaught ReferenceError: process is not defined ReactJS.

    npm install [email protected]
    
  • Upgrade react-scripts using package.json file

    Upgrade react-scripts using package.json file and run npm install command.

    "dependencies": {    
        "react-scripts": "5.0.0",
    }
    
  • Adding window.process to App.js

    Another solution is to add window.process to your src\App.js file.

    useEffect(() => {
        window.process = {
          ...window.process,
        };
      }, []);
    
  • What is react-scripts

    react-scripts are simply scripts to run the build tools required to transform React JSX syntax into plain JavaScript programmatically. In the past, creating a React app was a painful process. You had to go through a lot of configuration, especially with webpack and Babel. But here react-scripts make your task easy.

    "scripts: {
        "start": "react-scripts start",
        "build": "react-scripts build",
        "test": "react-scripts test",
        "eject": "react-scripts eject"
    },
    

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