Check if section prop is defined

Author: lorensr

src/components/App.js

@@ -8,7 +8,6 @@ import TableOfContents from './TableOfContents'
 import Section from './Section'
 import CurrentUser from './CurrentUser'
 import Profile from './Profile'
-import Reviews from './Reviews'
 
 const Book = ({ user }) => (
   <div>

src/components/Section.js

@@ -22,7 +22,9 @@ class Section extends Component {
   }
 
   componentDidMount() {
-    this.viewedSection(get(this, 'props.section.id'))
+    if (this.props.section) {
+      this.viewedSection(this.props.section.id)
+    }
   }
 
   componentDidUpdate(prevProps) {

src/index.js

@@ -2,25 +2,16 @@ import React from 'react'
 import ReactDOM from 'react-dom'
 import { ApolloProvider } from 'react-apollo'
 import { BrowserRouter } from 'react-router-dom'
-import { MuiThemeProvider, createMuiTheme } from 'material-ui/styles'
 
 import './index.css'
 import registerServiceWorker from './registerServiceWorker'
 import App from './components/App'
 import { apollo } from './lib/apollo'
 
-const GRAPHQL_PINK = '#e10098'
-
-const theme = createMuiTheme({
-  palette: { primary: { main: GRAPHQL_PINK } }
-})
-
 ReactDOM.render(
   <BrowserRouter>
     <ApolloProvider client={apollo}>
-      <MuiThemeProvider theme={theme}>
-        <App />
-      </MuiThemeProvider>
+      <App />
     </ApolloProvider>
   </BrowserRouter>,
   document.getElementById('root')

src/lib/apollo.js

@@ -7,8 +7,6 @@ import { getMainDefinition } from 'apollo-utilities'
 import { setContext } from 'apollo-link-context'
 import { getAuthToken } from 'auth0-helpers'
 
-import { errorLink } from './errorLink'
-
 const httpLink = createHttpLink({
   uri: 'https://api.graphql.guide/graphql'
 })
@@ -39,7 +37,7 @@ const wsLink = new WebSocketLink({
   }
 })
 
-const networkLink = split(
+const link = split(
   ({ query }) => {
     const { kind, operation } = getMainDefinition(query)
     return kind === 'OperationDefinition' && operation === 'subscription'
@@ -48,8 +46,6 @@ const networkLink = split(
   authedHttpLink
 )
 
-const link = errorLink.concat(networkLink)
-
 const cache = new InMemoryCache()
 
 export const apollo = new ApolloClient({ link, cache })

src/lib/withAuth.js

@@ -10,9 +10,6 @@ export const USER_QUERY = gql`
       email
       photo
       hasPurchased
-      favoriteReviews {
-        id
-      }
     }
   }
 `