I recently published my first
npm package and it was easier than I thought it would be. I had a quick and dirty idea of a package that I wanted to exist but couldn’t find so I wrote some code to handle what I needed. I was my first customer before my package was even published. To test out my package locally I ran
npm link my-package in another
Node project that would be consuming my package. From there I was able to test my code and make sure everything functioned as intended.
The next step was to publish. After two commands my package was live in the
npm login and
npm publish. That’s it.
There are some final words I wanted to say regarding my package’s
package.json. There are four keys that I needed to pay attention to before I published my package and they were
main represents the file path to the main
npm init defaults this to
index.js, but my main file was in another folder and named file. The value for this key is a string representing a path from the root of the project to the entry point file.
keywords is solely for discoverability. It’s like SEO for
npm. I found some other packages similar to mine and added some of their keywords so I would be grouped with their packages. The value for this key is an array of strings.
files because I hosted other code in my package’s repo that I used to test it out. Using
npm specifically which files and paths should be included in the package. This helps keep the size in check. Dependency bloat is something that most
files is an array of strings that represent files and paths that should be included.
version is incredibly important for publishing packages. To publish new changes for a package, I first needed to increment the version following semantic versioning. The value for this key is a string representing the version as