Скачать или смотреть Fixing the npx create-react-app Error: Missing package.json File

Learn how to resolve the `npx create-react-app` error on Windows that occurs due to spaces in your computer name and the missing package.json file.
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This video is based on the question https://stackoverflow.com/q/63978980/ asked by the user 'Sarthak Bhagwat' ( https://stackoverflow.com/u/13977486/ ) and on the answer https://stackoverflow.com/a/63979042/ provided by the user 'Sarthak Bhagwat' ( https://stackoverflow.com/u/13977486/ ) at 'Stack Overflow' website. Thanks to these great users and Stackexchange community for their contributions.

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Troubleshooting the npx create-react-app Error

When using npx create-react-app to set up a new React application, you might encounter an error stating that it "does not contain a package.json file" in the app data folder. This can be frustrating, especially if you're eager to get started with your development. Let's explore the root cause of this error and walk through the solution step-by-step.

Understanding the Problem

The error typically arises on Windows machines when the user's profile name contains spaces. This can disrupt the command execution, causing the command prompt to misinterpret the file paths required for creating your React application.

The exact message you may see looks like this:

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The Solution: Resetting the NPM Cache Path

To resolve this issue, you will need to redefine your npm cache root to avoid paths with spaces. Here’s how to do this in a few simple steps:

Step 1: Open Command Prompt as Administrator

Press the Windows key and type cmd.

Right-click on Command Prompt and choose Run as administrator.

Step 2: Navigate to User Directory

Enter the following command to navigate to the user directory:

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Step 3: Find the 8.3 DOS Path Format

Now, run the command below to display the short paths for your directories:

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This command will show you a list of directories along with their 8.3 formatted names. Look for your username in the list; it might appear as MYCOMP~1 or something similar, indicating a shorthand version of your path.

Step 4: Set the NPM Cache Path

After identifying the short path for your username, execute the following command, replacing "MYCOMP~1" with your actual short username:

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This command configures npm to use the new cache path without spaces.

Step 5: Retry Creating the React App

Now that the npm cache is set correctly, you can retry creating your React app:

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Conclusion: Happy Coding!

By following these steps, you should be able to resolve the error and successfully set up your new React application. Remember that small details like spaces in your computer's name can sometimes lead to significant hurdles. Always ensure your development environment is configured well.

Now, go ahead and enjoy coding your new React project! If you run into any other issues or have questions, feel free to seek help from the vast developer community online.