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What is purpose of the property "private" in package.json?

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What are private NPM packages?

With npm private packages, you can use the npm registry to host code that is only visible to you and chosen collaborators, allowing you to manage and use private code alongside public code in your projects. Private packages always have a scope, and scoped packages are private by default.

What is the purpose of the package JSON file?

The package. json file is the heart of any Node project. It records important metadata about a project which is required before publishing to NPM, and also defines functional attributes of a project that npm uses to install dependencies, run scripts, and identify the entry point to our package.

Why does json need package-lock?

The goal of package-lock. json file is to keep track of the exact version of every package that is installed so that a product is 100% reproducible in the same way even if packages are updated by their maintainers. This solves a very specific problem that package.


From the NPM docs on package.json:

private

If you set "private": true in your package.json, then npm will refuse to publish it.

This is a way to prevent accidental publication of private repositories.