What is the package-lock.json file?

The importance of a file that often goes unnoticed

Screenshot of a package-lock.json file.

In any NPM project, the file package-lock.json often goes unnoticed because our attention is focused on the package.json file. This week a co-worker asked me what this file was for, and this has been the perfect excuse to write this little post.
As you know, the package.json file is where you will list your…