How to use npm-check-updates

What is npm-check-updates?

npm-check-updates makes it easy to upgrade your library based on CUI.

With this library, you can make only major updates or only minor updates.

I will explain how to use it in detail from the next section.

How to use

First, install npm-check-updates in your environment.

$ npm i -g npm-check-updates

After installation, you will be able to use the following commands.

$ ncu

execute that command, the following result will be output to CUI.

What does each color mean?

Red = major upgrade (and all major version zero)
Cyan = minor upgrade
Green = patch upgrade

If you run the ncu command without any options, a major update will occur.

So, if you only want to do patch updates, run the ncu command with the following options:

$ ncu -u --target patch

The execution result is here.

I also tried running a minor update command

$ ncu -u --target minor

I’m seeing some red messages, but this doesn’t seem to be a major upgrade.

Conclusion

I often get notified of vulnerabilities on npm, so I’m very grateful to be able to upgrade easily.

Referenced articles

npm-check-updatesを使ってサクッとライブラリをアップデートする - その辺にいるWebエンジニアの備忘録

https://github.com/raineorshine/npm-check-updates