Checks if the reducer is valid
npm install is-valid-redux-reducerisValidReduxReducer
====
Checks if the reducer is valid

npm install --save is-valid-redux-reducer javascript
import isValidReduxReducer from 'is-valid-redux-reducer'expect(isValidReduxReducer({})).to.be.false
expect(isValidReduxReducer((state, action) => state)).to.be.false
expect(isValidReduxReducer((state, action) => ({}))).to.be.false
expect(isValidReduxReducer((state = {}, action) => state)).to.be.true
``