Upgrade dependencies.

package.json

@@ -4,54 +4,54 @@
   "version": "1.1.0",
   "author": "Ruben Harutyunyan <vagr9k@gmail.com>",
   "dependencies": {
-    "gatsby": "^2.20.12",
-    "gatsby-image": "^2.3.1",
-    "gatsby-plugin-catch-links": "^2.2.1",
-    "gatsby-plugin-feed": "^2.4.1",
-    "gatsby-plugin-google-analytics": "^2.2.2",
-    "gatsby-plugin-lodash": "^3.2.1",
-    "gatsby-plugin-manifest": "^2.3.3",
-    "gatsby-plugin-netlify-cms": "^4.2.2",
-    "gatsby-plugin-nprogress": "^2.2.1",
-    "gatsby-plugin-offline": "^3.1.2",
-    "gatsby-plugin-react-helmet": "^3.2.1",
-    "gatsby-plugin-sharp": "^2.5.3",
-    "gatsby-plugin-sitemap": "^2.3.1",
-    "gatsby-plugin-twitter": "^2.2.1",
-    "gatsby-remark-autolink-headers": "^2.2.1",
-    "gatsby-remark-copy-linked-files": "^2.2.1",
-    "gatsby-remark-images": "^3.2.1",
-    "gatsby-remark-prismjs": "^3.4.1",
+    "gatsby": "^2.22.15",
+    "gatsby-image": "^2.4.5",
+    "gatsby-plugin-catch-links": "^2.3.3",
+    "gatsby-plugin-feed": "^2.5.3",
+    "gatsby-plugin-google-analytics": "^2.3.2",
+    "gatsby-plugin-lodash": "^3.3.2",
+    "gatsby-plugin-manifest": "^2.4.9",
+    "gatsby-plugin-netlify-cms": "^4.3.3",
+    "gatsby-plugin-nprogress": "^2.3.2",
+    "gatsby-plugin-offline": "^3.2.7",
+    "gatsby-plugin-react-helmet": "^3.3.2",
+    "gatsby-plugin-sharp": "^2.6.9",
+    "gatsby-plugin-sitemap": "^2.4.3",
+    "gatsby-plugin-twitter": "^2.3.2",
+    "gatsby-remark-autolink-headers": "^2.3.3",
+    "gatsby-remark-copy-linked-files": "^2.3.3",
+    "gatsby-remark-images": "^3.3.8",
+    "gatsby-remark-prismjs": "^3.5.2",
     "gatsby-remark-relative-images": "^0.3.0",
-    "gatsby-remark-responsive-iframe": "^2.3.1",
-    "gatsby-source-filesystem": "^2.2.2",
-    "gatsby-transformer-remark": "^2.7.1",
-    "gatsby-transformer-sharp": "^2.4.3",
+    "gatsby-remark-responsive-iframe": "^2.4.3",
+    "gatsby-source-filesystem": "^2.3.8",
+    "gatsby-transformer-remark": "^2.8.13",
+    "gatsby-transformer-sharp": "^2.5.3",
     "lodash": "^4.17.15",
-    "moment": "^2.24.0",
-    "netlify-cms-app": "^2.12.3",
-    "prismjs": "^1.19.0",
+    "moment": "^2.26.0",
+    "netlify-cms-app": "^2.12.13",
+    "prismjs": "^1.20.0",
     "react": "^16.13.1",
     "react-disqus-comments": "^1.4.0",
     "react-dom": "^16.13.1",
-    "react-helmet": "^5.2.1",
+    "react-helmet": "^6.0.0",
     "react-share": "^4.1.0",
     "react-twitter-widgets": "^1.7.1",
     "url-join": "^4.0.0"
   },
   "devDependencies": {
     "cli-glob": "^0.1.0",
-    "eslint": "^6.8.0",
+    "eslint": "^7.1.0",
     "eslint-config-airbnb": "^18.1.0",
-    "eslint-config-prettier": "^6.10.1",
+    "eslint-config-prettier": "^6.11.0",
     "eslint-plugin-import": "^2.20.2",
     "eslint-plugin-jsx-a11y": "^6.2.1",
-    "eslint-plugin-react": "^7.19.0",
-    "gh-pages": "^2.2.0",
-    "prettier": "^2.0.2",
+    "eslint-plugin-react": "^7.20.0",
+    "gh-pages": "^3.0.0",
+    "prettier": "^2.0.5",
     "remark-cli": "^8.0.0",
     "remark-preset-lint-recommended": "^4.0.0",
-    "stylelint": "^13.2.1",
+    "stylelint": "^13.5.0",
     "stylelint-config-prettier": "^8.0.1",
     "stylelint-config-standard": "^20.0.0",
     "write-good": "^1.0.1"

src/components/Disqus/Disqus.jsx

@@ -7,7 +7,7 @@ class Disqus extends Component {
   constructor(props) {
     super(props);
     this.state = {
-      toasts: []
+      toasts: [],
     };
     this.notifyAboutComment = this.notifyAboutComment.bind(this);
     this.onSnackbarDismiss = this.onSnackbarDismiss.bind(this);

src/components/Footer/Footer.jsx

@@ -21,7 +21,8 @@ class Footer extends Component {
             <button>Subscribe</button>
           </Link>
           <h4>
-            Based on{" "}
+            Based on
+            {" "}
             <a href="https://github.com/Vagr9K/gatsby-advanced-starter">
               Gatsby Advanced Starter
             </a>

src/components/PostListing/PostListing.jsx

@@ -27,7 +27,8 @@ class PostListing extends React.Component {
           <Link to={post.path} key={post.title}>
             <h1>{post.title}</h1>
           </Link>
-        ))}
+        ))
+}
       </div>
     );
   }

src/components/SEO/SEO.jsx

@@ -1,5 +1,5 @@
 import React, { Component } from "react";
-import Helmet from "react-helmet";
+import { Helmet } from "react-helmet";
 import urljoin from "url-join";
 import moment from "moment";
 import config from "../../../data/SiteConfig";
@@ -26,7 +26,7 @@ class SEO extends Component {
       image = config.siteLogo;
     }
 
-    const getImagePath = imageURI => {
+    const getImagePath = (imageURI) => {
       if (
         !imageURI.match(
           `(https?|ftp|file)://[-A-Za-z0-9+&@#/%?=~_|!:,.;]+[-A-Za-z0-9+&@#/%=~_|]`
@@ -55,12 +55,12 @@ class SEO extends Component {
       "@type": "Person",
       name: config.userName,
       email: config.userEmail,
-      address: config.userLocation
+      address: config.userLocation,
     };
 
     const logoJSONLD = {
       "@type": "ImageObject",
-      url: getImagePath(config.siteLogo)
+      url: getImagePath(config.siteLogo),
     };
 
     const blogURL = urljoin(config.siteUrl, config.pathPrefix);
@@ -70,8 +70,8 @@ class SEO extends Component {
         "@type": "WebSite",
         url: blogURL,
         name: title,
-        alternateName: config.siteTitleAlt ? config.siteTitleAlt : ""
-      }
+        alternateName: config.siteTitleAlt ? config.siteTitleAlt : "",
+      },
     ];
     if (postSEO) {
       schemaOrgJSONLD.push(
@@ -85,10 +85,10 @@ class SEO extends Component {
               item: {
                 "@id": postURL,
                 name: title,
-                image
-              }
-            }
-          ]
+                image,
+              },
+            },
+          ],
         },
         {
           "@context": "http://schema.org",
@@ -102,10 +102,10 @@ class SEO extends Component {
           publisher: {
             ...authorJSONLD,
             "@type": "Organization",
-            logo: logoJSONLD
+            logo: logoJSONLD,
           },
           datePublished,
-          description
+          description,
         }
       );
     }

src/layout/index.jsx

@@ -1,5 +1,5 @@
 import React from "react";
-import Helmet from "react-helmet";
+import { Helmet } from "react-helmet";
 import config from "../../data/SiteConfig";
 import "./index.css";
 

src/pages/about.jsx

@@ -1,5 +1,5 @@
 import React, { Component } from "react";
-import Helmet from "react-helmet";
+import { Helmet } from "react-helmet";
 import Layout from "../layout";
 import About from "../components/About/About";
 import config from "../../data/SiteConfig";

src/templates/category.jsx

@@ -1,5 +1,5 @@
 import React from "react";
-import Helmet from "react-helmet";
+import { Helmet } from "react-helmet";
 import { graphql } from "gatsby";
 import Layout from "../layout";
 import PostListing from "../components/PostListing/PostListing";

src/templates/landing.jsx

@@ -1,5 +1,5 @@
 import React from "react";
-import Helmet from "react-helmet";
+import { Helmet } from "react-helmet";
 import { graphql } from "gatsby";
 import Layout from "../layout";
 import PostListing from "../components/PostListing/PostListing";

src/templates/listing.jsx

@@ -1,5 +1,5 @@
 import React from "react";
-import Helmet from "react-helmet";
+import { Helmet } from "react-helmet";
 import { graphql, Link } from "gatsby";
 import Layout from "../layout";
 import PostListing from "../components/PostListing/PostListing";

src/templates/post.jsx

@@ -1,5 +1,5 @@
 import React from "react";
-import Helmet from "react-helmet";
+import { Helmet } from "react-helmet";
 import { graphql } from "gatsby";
 import Layout from "../layout";
 import UserInfo from "../components/UserInfo/UserInfo";

src/templates/tag.jsx

@@ -1,5 +1,5 @@
 import React from "react";
-import Helmet from "react-helmet";
+import { Helmet } from "react-helmet";
 import { graphql } from "gatsby";
 import Layout from "../layout";
 import PostListing from "../components/PostListing/PostListing";