npm ls [[<@scope>/]<pkg> ...] / パッケージの依存関係を表示 / "This command will print to stdout all the versions of packages that are installed, as well as their dependencies when --all is specified, in a tree structure."
"Publishes a package to the registry so that it can be installed by name. All files in the package directory are included if no local .gitignore or .npmignore file exists."
outdated | npm Documentation : "This command will check the registry to see if any (or, specific) installed packages are currently outdated." インストールしてあるパッケージ・モジュールの最新バージョンを知るためのコマンド
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npm-ls | npm Docs
https://docs.npmjs.com/cli/test/
About semantic versioning | npm Docs
https://docs.npmjs.com/cli/publish/
About two-factor authentication | npm Docs
https://docs.npmjs.com/cli/install.html/
https://docs.npmjs.com/cli/outdated/
