💁 show a message to your users to upgrade Node instead of a stacktrace
It's common for new Node users to miss or not understand engines warning when installing a CLI. This package displays a beginner-friendly message if their Node version is below the one expected.
$ node -v0.12$ modern-climodern-cli requires at least version 6 of Node, please upgrade
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npm install please-upgrade-node
please-upgrade-node at the top of your CLI
#!/usr/bin/env nodeconst pkg =pkg // <- Must run BEFORE requiring any other modules// ...
Set in your
package.json the required Node version
>= is the only operator supported by
You can set custom
message function if needed
Important: to keep
message function compatible with older versions of Node, avoid using ES6 features like
=> or string interpolation.
- pkg-ok - 👌 Prevents publishing a module with bad paths
- husky - 🐶 Git hooks made easy
- update-notifier - Update notifications for your CLI app
Thanks to zeit/serve for the error message inspiration.