logout redirects to root route if no redirect prop is passed

spec/route.logout.spec.js

@@ -10,6 +10,9 @@ describe('Logout Route', () => {
   beforeEach(() => {
     auth0MockResult = {
       logout: jest.fn(),
+      options: {
+        rootRoute: '/',
+      },
     }
 
     window.ReactRouterAuth0Provider = auth0MockResult
@@ -30,4 +33,14 @@ describe('Logout Route', () => {
     expect(redirect).toHaveLength(1)
     expect(redirect.prop('to').pathname).toEqual('/logged-out')
   })
+
+  it('redirects to root route when redirect prop not present', () => {
+    window.ReactRouterAuth0Provider.options.rootRoute = '/default'
+
+    const wrapper = shallow(<LogoutRoute />)
+    const redirect = wrapper.find(Redirect)
+
+    expect(redirect).toHaveLength(1)
+    expect(redirect.prop('to').pathname).toEqual('/default')
+  })
 })

src/route.logout.jsx

@@ -4,6 +4,10 @@ import { Route, Redirect } from 'react-router-dom'
 export default class LogoutRoute extends Route {
   render() {
     window.ReactRouterAuth0Provider.logout()
-    return <Redirect to={{ pathname: this.props.redirect }} />
+
+    const redirect = this.props.redirect ||
+      window.ReactRouterAuth0Provider.options.rootRoute
+
+    return <Redirect to={{ pathname: redirect }} />
   }
 }