use different eslint config for es6 and es5

scripts/bench/benchmarks/hacker-news/build.js

@@ -1,11 +1,9 @@
 'use strict';
 
-const {
-  join,
-} = require('path');
+const {join} = require('path');
 
 async function build(reactPath, asyncCopyTo) {
-    // copy the UMD bundles
+  // copy the UMD bundles
   await asyncCopyTo(
     join(reactPath, 'build', 'dist', 'react.production.min.js'),
     join(__dirname, 'react.production.min.js')

scripts/bench/benchmarks/hacker-news/generate.js

@@ -1,16 +1,20 @@
 'use strict';
 
 const fetch = require('node-fetch');
-const { writeFileSync } = require('fs');
+const {writeFileSync} = require('fs');
 const stories = 50;
 
 async function getStory(id) {
-  const storyRes = await fetch(`https://hacker-news.firebaseio.com/v0/item/${id}.json`);
+  const storyRes = await fetch(
+    `https://hacker-news.firebaseio.com/v0/item/${id}.json`
+  );
   return await storyRes.json();
 }
 
 async function getTopStories() {
-  const topStoriesRes = await fetch('https://hacker-news.firebaseio.com/v0/topstories.js');
+  const topStoriesRes = await fetch(
+    'https://hacker-news.firebaseio.com/v0/topstories.js'
+  );
   const topStoriesIds = await topStoriesRes.json();
 
   const topStories = [];
@@ -20,7 +24,10 @@ async function getTopStories() {
     topStories.push(await getStory(topStoriesId));
   }
 
-  writeFileSync('top-stories.json', `window.stories = ${JSON.stringify(topStories)}`);
+  writeFileSync(
+    'top-stories.json',
+    `window.stories = ${JSON.stringify(topStories)}`
+  );
 }
 
-getTopStories();
+getTopStories();