Update GraphQL queries for WPGraphQL 0.12.1

Update GraphQL queries as part of the move from WPGraphQL 0.9.1 to 0.12.1

See #17

See #16

Author: salcode

lib/api.js

@@ -71,14 +71,18 @@ export async function getAllPostsForHome(preview) {
             slug
             date
             featuredImage {
-              sourceUrl
+              node {
+                sourceUrl
+              }
             }
             author {
-              name
-              firstName
-              lastName
-              avatar {
-                url
+              node {
+                name
+                firstName
+                lastName
+                avatar {
+                  url
+                }
               }
             }
           }
@@ -122,10 +126,14 @@ export async function getPostAndMorePosts(slug, preview, previewData) {
       slug
       date
       featuredImage {
-        sourceUrl
+        node {
+          sourceUrl
+        }
       }
       author {
-        ...AuthorFields
+        node {
+          ...AuthorFields
+        }
       }
       categories {
         edges {
@@ -157,7 +165,9 @@ export async function getPostAndMorePosts(slug, preview, previewData) {
               excerpt
               content
               author {
-                ...AuthorFields
+                node {
+                  ...AuthorFields
+                }
               }
             }
           }