Enforces a valid version identifier in package.json Enforces the use of a semanticly valid version identifier. Fail { "name": "foo", "version": "1.0" } { "name": "foo", "version": "1.0.x" } Pass { "name": "foo", "version": "1.0.0" } { "name": "foo", "version": "1.0.0-beta.1" }