Install eslint and prettier.

app/src/components/feed.js

@@ -1,18 +1,16 @@
-import React from "react";
-import { Nav } from "react-bootstrap";
+import React from "react"
+import { Nav } from "react-bootstrap"
 import { StaticQuery, graphql } from "gatsby"
-import '../styles/sidebar.css'
+import "../styles/sidebar.css"
 import BookCard from "../components/bookcard"
 
-export default ({data, limit}) => {
-    return data.allBooksJson.edges.map(function(x, index) {
-        console.log(index, limit)
-        if(!limit || index < limit){
-            return (
-              <BookCard book={x.node} key={x.node.id} />
-            )
-        } else {
-            return null;
-        }
-    })
-};
+export default ({ data, limit }) => {
+  return data.allBooksJson.edges.map(function(x, index) {
+    console.log(index, limit)
+    if (!limit || index < limit) {
+      return <BookCard book={x.node} key={x.node.id} />
+    } else {
+      return null
+    }
+  })
+}