What is the point of package lock json?

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.

Should you Version package lock json?

It is highly recommended you commit the generated package lock to source control: this will allow anyone else on your team, your deployments, your CI/continuous integration, and anyone else who runs npm install in your package source to get the exact same dependency tree that you were developing on.

Why is package lock json changed?

json can override package-lock. json whenever a newer version is found for a dependency in package. json . If you want to pin your dependencies effectively, you now must specify the versions without a prefix, e.g., you need to write them as 1.2.

What is the difference between package lock and package json?

package-lock. json will simply avoid this general behavior of installing updated minor version so when someone clones your repo and run npm install in their machine. NPM will look into package-lock. json and install exact versions of the package as the owner has installed so it will ignore the ^ and ~ from package.

Can I modify package-lock json?

A key point here is that install can alter package-lock. json if it registers that it’s outdated. For example, if someone manually alters package. json — say, for example, they remove a package since it’s just a matter of removing a single line — the next time that someone runs npm install , it will alter package-lock.

Should I commit changes to package lock?

Is it OK to delete package lock json?

Conclusion: don’t ever delete package-lock. json . Yes, for first level dependencies if we specify them without ranges (like “react”: “16.12. 0” ) we get the same versions each time we run npm install .

How does package-lock json gets updated?

package-lock. json is updated with every normal npm install to constantly reflect the packages that were used on the last build. To use exactly the versions pinned in package-lock. json , one needs to use the npm ci command (npm docs).

How is package-lock updated?

When you npm install some-package , the lock file is updated automatically. When you update the version of a package in your package. json and run npm install , the package-lock. json file will get updated automatically.

What happens if I delete json package lock?

So when you delete package-lock. json, all those consistency goes out the window. Every node_module you depend on will be updated to the latest version it is theoretically compatible with. This means no major changes, but minors and patches.

How is package-lock json updated?