Are there npm version prerelease identifiers?
Starting with npm 6.4.0 you can use the –preid option of npm version like this: $ npm version prerelease –preid=alpha v0.1.1-alpha.0 $ npm version prerelease –preid=alpha v0.1.1-alpha.1 $ npm version prerelease –preid=alpha v0.1.1-alpha.2