generate action types
npm install babel-plugin-s2s-action-root> compose action types
```
$ npm install --save-dev babel-plugin-s2s-action-root
#### IN:
`
`
#### OUT:
`
// @flow
import type { Action as AppAction } from "../app/actionTypes";
import type { Action as BobAction } from "../bob/actionTypes";
export type Action = AppAction | BobAction;
`
``
{
['s2s-action-root', {
input: 'containers/**/actionTypes.js',
output: 'types/action.js',
globOptions: {}
}]
}
#### input
type: string
required: true
glob pattern.
#### output
type: string`
required: true
outputh path.
#### blobOptions
See https://github.com/isaacs/node-glob#options