Lint examples (#4985)

* Lint examples/with-apollo-and-redux-saga

* Lint examples/with-apollo-auth

* Lint examples/with-apollo

* Lint exampels/with-google-analytics

* Lint examples/with-higher-order-component

* Lint examples/with-react-i18next

* Lint exampels/with-redux

* Lint exampels/with-relay-modern

* Lint examples/with-universal-configuration-runtime

* Add **/examples/**/lib/** to linter

examples/with-apollo-and-redux-saga/lib/placeholder/sagas.js

@@ -1,6 +1,6 @@
 import { put, takeLatest } from 'redux-saga/effects'
 import es6promise from 'es6-promise'
-import 'isomorphic-unfetch'
+import fetch from 'isomorphic-unfetch'
 
 import { actionTypes, loadDataSuccess, loadDataError } from './actions'
 

examples/with-apollo/lib/init-apollo.js

@@ -1,6 +1,4 @@
-import { ApolloClient } from 'apollo-boost'
+import { ApolloClient, InMemoryCache, HttpLink } from 'apollo-boost'
-import { HttpLink } from 'apollo-boost'
-import { InMemoryCache } from 'apollo-boost'
 import fetch from 'isomorphic-unfetch'
 
 let apolloClient = null

examples/with-apollo/lib/with-apollo-client.js

@@ -1,3 +1,4 @@
+import React from 'react'
 import initApollo from './init-apollo'
 import Head from 'next/head'
 import { getDataFromTree } from 'react-apollo'

examples/with-google-analytics/lib/gtag.js

@@ -3,7 +3,7 @@ export const GA_TRACKING_ID = '<YOUR_GA_TRACKING_ID>'
 // https://developers.google.com/analytics/devguides/collection/gtagjs/pages
 export const pageview = url => {
   window.gtag('config', GA_TRACKING_ID, {
-    page_location: url,
+    page_location: url
   })
 }
 
@@ -12,6 +12,6 @@ export const event = ({ action, category, label, value }) => {
   window.gtag('event', action, {
     event_category: category,
     event_label: label,
-    value: value,
+    value: value
   })
 }

examples/with-react-i18next/lib/withI18next.js

@@ -15,8 +15,8 @@ export const withI18next = (namespaces = ['common']) => ComposedComponent => {
       ? getInitialProps(ctx.req, namespaces)
       : await loadNamespaces({
         components: [{ props: { namespaces } }],
-          i18n: I18n,
+        i18n: I18n
-        });
+      })
 
     return {
       ...composedInitialProps,

examples/with-redux/lib/with-redux-store.js

@@ -29,7 +29,7 @@ export default (App) => {
 
       let appProps = {}
       if (typeof App.getInitialProps === 'function') {
-        appProps = await App.getInitialProps.call(App, appContext)
+        appProps = await App.getInitialProps(appContext)
       }
 
       return {

examples/with-relay-modern/lib/createRelayEnvironment.js

@@ -9,7 +9,7 @@ function fetchQuery (
   operation,
   variables,
   cacheConfig,
-  uploadables,
+  uploadables
 ) {
   return fetch(process.env.RELAY_ENDPOINT, {
     method: 'POST',

examples/with-universal-configuration-runtime/lib/env.js

@@ -1 +1 @@
-export default ('undefined' !== typeof window ? window.__ENV__ : process.env)
+export default (typeof window !== 'undefined' ? window.__ENV__ : process.env)

package.json

@@ -46,7 +46,6 @@
     "parser": "babel-eslint",
     "ignore": [
       "**/node_modules/**",
-      "**/examples/**/lib/**",
       "**/examples/with-ioc/**",
       "**/examples/with-kea/**",
       "**/examples/with-mobx/**",