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Comments on Why is package.json needed for running a SvelteKit application?

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Why is package.json needed for running a SvelteKit application?

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I'm trying to containerize a SvelteKit application that uses the @sveltejs/adapter-node.

The Build and Deploy section from the documentation recommends to build the application, and then run the application with:

  • the output sub-directory (build)
  • the node_modules sub-directory
  • package.json

I understand the package.json file is essential during the build process for managing dependencies and scripts, but given that the application is already built and the necessary files are present in the build directory and/or node_modules, why do I still need the package.json file to run the application?

Notice the application is run using Node.js only — e.g.: node /path/to/build/, that will find and run, by default, the file index.js.

Are there specific scenarios or reasons where the absence of package.json could cause issues when running the application?

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1 comment thread

Perhaps non-standard name of main script file? (1 comment)
Perhaps non-standard name of main script file?
jmathew‭ wrote about 1 month ago

What's the value of main in the package.json? If the 'main' script to be run in the folder is anything other than index.js it would have to specified with a package.json file for node build/ to work. That might be why they require it.

In that case though, the app should work just fine with node path/to/main.js. So maybe just aesthetics? node build looks cleaner than node path/to/main.js.