Struggling with setting up and installing the MDX transformer plugin (as well as its dependencies) on a Gatsby site

  • Task: Currently working on setting up a basic blog using Gatsby

  • Results:

    • Expected Result: Following the tutorial guide as expected
    • Actual Result: Encountering Dependency tree error at certain steps & also receiving a warning message stating 
      34 vulnerabilities (11 moderate, 23 high)
      whenever using npm to install something in this project

  • Approach: Referencing the guide provided here, and facing the error mentioned in Task to install MDX transformer plugin

Inquiries:

  1. How to tackle this specific dependency tree problem and how to address similar issues with npm in general?
  2. Regarding the warnings related to vulnerable packages - How serious are they and how should they be managed?
Command-used: npm install gatsby-plugin-mdx @mdx-js/mdx@v1 @mdx-js/react@v1
Output/Console Error:
npm ERR! code ERESOLVE
npm ERR! ERESOLVE unable to resolve dependency tree
npm ERR! (Full error message details available in the provided links)

Updates:

Update 1:

After attempting a recommendation from a fellow Stack Overflow user, encountered a new error! Ignoring the dependency tree issue with 'skip legacy tree' is not effective. Any further suggestions from Gatsby users?

gatsby develop

 ERROR #11901  COMPILATION

Failed to compile Gatsby files (Error):

Could not resolve module "@parcel/namer-default" from
"<home-folder>/codeSpace/siteByGatsby/sv3/my-gatsby-site/node\_modules/@gatsbyjs/parcel-namer-relative-to-cwd/lib/index.js".

not finished compile gatsby files - 0.778s
javascriptnpmgatsby

Answer №1

Perhaps not the standard practice, but you can execute the following command:

npm install gatsby-plugin-mdx @mdx-js/mdx@v1 @mdx-js/react@v1 --legacy-peer-deps

By doing this, you are essentially informing npm that you are willing to install peer dependencies. This situation arises when you are utilizing [email protected] in your project, while the packages you wish to install require a lower version of React. Hence, this particular error is being generated by NPM.

The cautionary tale is that there could be a vulnerability within a package dependency that you are overlooking, which may pose a risk in terms of security. Proceed with caution when installing peer dependencies.

Executing the above code should work just fine, even if it requests a downgrade of the React version.

Consider whether you truly need [email protected], or if an older version would suffice for your project. Evaluate the necessity of the latest features released.

This explains why many developers do not immediately adopt the newest React version for their projects. It involves depending on packages maintained by individual developers or a supportive community to align with React's latest updates.

Here are the main actions you can take:

  • Install the legacy dependencies
  • Adjust React to match the required version in the dependency tree for your desired packages
  • Consider alternative packages or check their GitHub for unreleased versions not yet on NPMjs

Hope this information proves useful :)

Additional Note:

Remember to inform your hosting provider about the force-installed packages using --legacy-peer-deps when migrating this project. This can be done by setting an environment variable on the hosting platform or adding the following to a .npmrc file:

legacy-peer-deps=true

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