Merge pull request #229 from celestiaorg/hotfix/resolve-build-error

Hotfix/resolve build error

gatsby-config.js

@@ -9,7 +9,7 @@ module.exports = {
     description: `Celestia is a modular consensus and data network, built to enable anyone to easily deploy their own blockchain with minimal overhead.`,
     author: `@CelestiaOrg`,
     siteUrl: `https://celestia.org`,
-    // siteUrl: `https://dev.lazyledger.org`, <-- switch to this url for OG meta previews on https://dev.lazyledger.org
+    // siteUrl: `https://dev.lazyledger.org`, // <-- switch to this url for OG meta previews on https://dev.lazyledger.org
     image: `/celestia-default-og-image.jpg`,
   },
 
@@ -78,6 +78,16 @@ module.exports = {
       },
     },
     "gatsby-plugin-react-helmet",
+    'gatsby-plugin-sitemap',
+    {
+      resolve: 'gatsby-plugin-robots-txt',
+      options: {
+        host: "https://dev.lazyledger.org",
+        sitemap: "https://dev.lazyledger.org/sitemap.xml",
+        output: "/robots.txt",
+        policy: [{ userAgent: '*', allow: '/' }]
+      }
+    },
     {
       resolve: `gatsby-transformer-remark`,
       options: {

gatsby-ssr.js

@@ -1,34 +0,0 @@
-// Fix for Gatsby open graph meta tags are not recognized
-// Reordering metatags at build time, priorising OG graph tags first.
-// source: https://marcomelilli.com/posts/gatsby-react-helmet-og-meta-tags-are-not-recognized
-
-const { Helmet } = require("react-helmet");
-
-exports.onRenderBody = ({ setHeadComponents, setHtmlAttributes, setBodyAttributes }, pluginOptions) => {
-	const helmet = Helmet.renderStatic();
-	setHtmlAttributes(helmet.htmlAttributes.toComponent());
-	setBodyAttributes(helmet.bodyAttributes.toComponent());
-	setHeadComponents([
-		helmet.title.toComponent(),
-		helmet.link.toComponent(),
-		helmet.meta.toComponent(),
-		helmet.noscript.toComponent(),
-		helmet.script.toComponent(),
-		helmet.style.toComponent(),
-	]);
-};
-
-exports.onPreRenderHTML = ({ getHeadComponents, replaceHeadComponents }) => {
-	const headComponents = getHeadComponents();
-
-	headComponents.sort((x, y) => {
-		if (x.props && x.props["data-react-helmet"]) {
-			return -1;
-		} else if (y.props && y.props["data-react-helmet"]) {
-			return 1;
-		}
-		return 0;
-	});
-
-	replaceHeadComponents(headComponents);
-};