package.json 中的version可以手动修改，也可以通过npm命令管理
{
"version": "0.0.1"
}
查看帮助
$ npm version -h
npm version
Bump a package version
Usage:
npm version [ | major | minor | patch | premajor | preminor | prepatch | prerelease | from-git]
Options:
[--allow-same-version] [--no-commit-hooks] [--no-git-tag-version] [--json]
[--preid prerelease-id] [--sign-git-tag]
[-w|--workspace [-w|--workspace ...]]
[-ws|--workspaces] [--include-workspace-root]
alias: verison
Run "npm help version" for more info
使用示例
$ npm version major
v1.0.0
$ npm version minor
v1.1.0
$ npm version patch
v1.1.1
$ npm version premajor
v2.0.0-0
$ npm version prepatch
v2.0.1-0
$ npm version prerelease
v2.0.1-1
参考 图文结合简单易学的 npm 包的发布流程
