From 62778c708bb997169ce61807b2766369dcd148cc Mon Sep 17 00:00:00 2001
From: Vince Picone <vpicone@gmail.com>
Date: Mon, 10 Feb 2020 14:59:48 -0600
Subject: [PATCH] fix: enhance mediumposts component closes #692, closes #593
 (#710)

---
 packages/example/gatsby-config.js             |  1 +
 packages/gatsby-theme-carbon/gatsby-config.js | 23 ++++++----
 packages/gatsby-theme-carbon/gatsby-node.js   | 44 ++++++++++++++-----
 3 files changed, 48 insertions(+), 20 deletions(-)

diff --git a/packages/example/gatsby-config.js b/packages/example/gatsby-config.js
index 219368cad..8894dbcb8 100644
--- a/packages/example/gatsby-config.js
+++ b/packages/example/gatsby-config.js
@@ -21,6 +21,7 @@ module.exports = {
       resolve: 'gatsby-theme-carbon',
       options: {
         isSearchEnabled: true,
+        mediumAccount: 'carbondesign',
         repository: {
           baseUrl:
             'https://github.com/carbon-design-system/gatsby-theme-carbon',
diff --git a/packages/gatsby-theme-carbon/gatsby-config.js b/packages/gatsby-theme-carbon/gatsby-config.js
index e8720c7e0..caa50f37b 100644
--- a/packages/gatsby-theme-carbon/gatsby-config.js
+++ b/packages/gatsby-theme-carbon/gatsby-config.js
@@ -18,10 +18,22 @@ module.exports = themeOptions => {
     lunrOptions = defaultLunrOptions,
     repository,
     pngCompressionSpeed = 4, // default for gatsby-plugin-sharp
-    mediumAccount = 'carbondesign',
+    mediumAccount = '',
     gatsbyRemarkPlugins = [],
   } = themeOptions;
 
+  const optionalPlugins = [];
+
+  if (mediumAccount) {
+    optionalPlugins.push({
+      resolve: 'gatsby-source-medium-feed',
+      options: {
+        userName: mediumAccount, // Medium user name
+        name: 'MediumFeed', // GraphQL query AllMediumFeed
+      },
+    });
+  }
+
   const defaultRemarkPlugins = [
     { resolve: `gatsby-remark-unwrap-images` },
     { resolve: `gatsby-remark-smartypants` },
@@ -121,13 +133,6 @@ module.exports = themeOptions => {
         },
       },
       `gatsby-plugin-react-helmet`,
-      {
-        resolve: 'gatsby-source-medium-feed',
-        options: {
-          userName: mediumAccount, // Medium user name
-          name: 'MediumFeed', // GraphQL query AllMediumFeed
-        },
-      },
-    ],
+    ].concat(optionalPlugins),
   };
 };
diff --git a/packages/gatsby-theme-carbon/gatsby-node.js b/packages/gatsby-theme-carbon/gatsby-node.js
index 296062976..ebe057b22 100644
--- a/packages/gatsby-theme-carbon/gatsby-node.js
+++ b/packages/gatsby-theme-carbon/gatsby-node.js
@@ -50,17 +50,39 @@ exports.onCreatePage = (
 // were providing at least 1 nested page, but that resulted in the bottom navigation to that page
 // reading "Resources: Resources" (as an example). By overriding the type definitions for
 // NavItemsYaml we can allow the title to be nullable, which fixes this issue.
-exports.sourceNodes = ({ actions }) => {
+
+// Create medium feed schema incase the plugin isn't used or you're on an ✈️
+exports.createSchemaCustomization = ({ actions, schema }) => {
   const { createTypes } = actions;
-  const typeDefs = `
-    type NavItemsYamlPage {
-      title: String
-      path: String!
-    }
-    type NavItemsYaml implements Node {
-      title: String!
-      pages: [NavItemsYamlPage]!
-    }
-  `;
+
+  const typeDefs = [
+    `
+  type NavItemsYamlPage {
+    title: String
+    path: String!
+  }
+  type NavItemsYaml implements Node {
+    title: String!
+    pages: [NavItemsYamlPage]!
+  }`,
+    schema.buildObjectType({
+      name: 'MediumFeed',
+      interfaces: ['Node'],
+      fields: {
+        author: 'String',
+        slug: 'String',
+        thumbnail: 'String',
+        title: 'String',
+        link: 'String',
+        date: {
+          type: 'Date',
+          extensions: {
+            dateformat: {},
+          },
+        },
+      },
+    }),
+  ];
+
   createTypes(typeDefs);
 };