man npm-deprecate (3): Deprecate a version of a package

SYNOPSIS

npm.commands.deprecate(args, callback)

This command will update the npm registry entry for a package, providing a deprecation warning to all who attempt to install it.

The 'args' parameter must have exactly two elements:

•: package[@version]
: The version portion is optional, and may be either a range, or a specific version, or a tag.
•: message
: The warning message that will be printed whenever a user attempts to install the package.

Note that you must be the package owner to deprecate something. See the owner and adduser help topics.

To un-deprecate a package, specify an empty string ("") for the message argument.