Added fbjs eslint config, fixed lint errors and warnings

.eslintrc

@@ -1,13 +1,16 @@
 {
   "extends": [
-    "eslint:recommended",
-    "plugin:react/recommended"
+    "fbjs"
   ],
   "plugins": [
     "prettier",
     "react"
   ],
   "parser": "babel-eslint",
+  "rules": {
+    "relay/graphql-naming": 0,
+    "max-len": 0
+  },
   "env": {
     "node": true,
     "browser": true

package.json

@@ -16,10 +16,14 @@
     "array-from": "^2.1.1",
     "babel-eslint": "^8.0.1",
     "eslint": "^4.8.0",
+    "eslint-config-fbjs": "^2.0.0",
     "eslint-config-react": "^1.1.7",
-    "eslint-plugin-flowtype": "^2.37.0",
+    "eslint-plugin-babel": "^4.1.2",
+    "eslint-plugin-flowtype": "^2.39.1",
+    "eslint-plugin-jsx-a11y": "^6.0.2",
     "eslint-plugin-prettier": "^2.3.1",
     "eslint-plugin-react": "^7.4.0",
+    "eslint-plugin-relay": "^0.0.19",
     "flow-bin": "^0.56.0",
     "gatsby": "^1.9.9",
     "gatsby-link": "^1.6.9",

src/components/StickyResponsiveSidebar/StickyResponsiveSidebar.js

@@ -147,7 +147,9 @@ class StickyResponsiveSidebar extends Component {
             boxShadow: '0 0 20px rgba(0, 0, 0, 0.3)',
             [media.lessThan('small')]: smallScreenBottomBarStyles,
           }}
-          onClick={this._openNavMenu}>
+          onClick={this._openNavMenu}
+          role="button"
+          tabIndex="-1">
           <Container>
             <div
               css={{

src/html.js

@@ -16,7 +16,7 @@ if (process.env.NODE_ENV === `production`) {
   try {
     stylesStr = require(`!raw-loader!../public/styles.css`);
   } catch (e) {
-    console.log(e);
+    console.error(e);
   }
 }
 

src/templates/components/MetaTitle/index.js

@@ -30,7 +30,9 @@ const MetaTitle = ({
       textTransform: 'uppercase',
       letterSpacing: '0.08em',
       ...cssProps,
-    }}>
+    }}
+    role="link"
+    tabIndex="-1">
     {children}
   </div>
 );

src/templates/components/Sidebar/Section.js

@@ -9,6 +9,7 @@
 
 'use strict';
 
+import React from 'react';
 import {colors, media} from 'theme';
 import isItemActive from 'utils/isItemActive';
 import MetaTitle from '../MetaTitle';

src/utils/isItemActive.js

@@ -26,10 +26,9 @@ const isItemActive = (location, item) => {
     }
   } else if (item.id.includes('html')) {
     return location.pathname.includes(item.id);
-  } else {
-    const slugId = location.pathname.split('/').slice(-1)[0];
-    return slugId === slugify(item.id);
   }
+  const slugId = location.pathname.split('/').slice(-1)[0];
+  return slugId === slugify(item.id);
 };
 
 export default isItemActive;