Fix singular file skip screen and add back link modification

dev-test/config.yml

@@ -106,6 +106,38 @@ collections: # A list of collections the CMS should be able to edit
               - { label: 'Name', name: 'name', widget: 'string', hint: 'First and Last' }
               - { label: 'Description', name: 'description', widget: 'markdown' }
 
+  - name: 'settings-singular'
+    label: 'Settings Singular'
+    icon: 'settings'
+    delete: false # Prevent users from deleting documents in this collection
+    editor:
+      preview: false
+    files:
+      - name: 'general'
+        label: 'Site Settings'
+        file: '_data/settings.json'
+        description: 'General Site Settings'
+        fields:
+          - { label: 'Global title', name: 'site_title', widget: 'string' }
+          - label: 'Post Settings'
+            name: posts
+            widget: 'object'
+            fields:
+              - {
+                  label: 'Number of posts on frontpage',
+                  name: front_limit,
+                  widget: number,
+                  min: 1,
+                  max: 10,
+                }
+              - { label: 'Default Author', name: author, widget: string }
+              - {
+                  label: 'Default Thumbnail',
+                  name: thumb,
+                  widget: image,
+                  class: 'thumb',
+                  required: false,
+                }
   - name: 'kitchenSink' # all the things in one entry, for documentation and quick testing
     label: 'Kitchen Sink'
     folder: '_sink'

packages/netlify-cms-core/src/components/App/App.js

@@ -74,13 +74,16 @@ function getDefaultPath(collections) {
 
 /**
  * Returns default collection name if only one collection
- * 
+ *
  * @param {Collection} collection
  * @returns {string}
  */
 function getDefaultCollectionPath(collection) {
   if (collection.has('files') && collection.get('files').size === 1) {
-    return `/collections/${collection.get('name')}/entries/${collection.get('files').first().get('name')}`;
+    return `/collections/${collection.get('name')}/entries/${collection
+      .get('files')
+      .first()
+      .get('name')}`;
   }
 
   return null;
@@ -97,7 +100,7 @@ function RouteInCollectionDefault({ collections, render, ...props }) {
           return <Redirect to={defaultPath} />;
         }
 
-        const defaultCollectionPath = getDefaultCollectionPath(collections);
+        const defaultCollectionPath = getDefaultCollectionPath(collectionExists);
         if (defaultCollectionPath !== null) {
           return <Redirect to={defaultCollectionPath} />;
         }

packages/netlify-cms-core/src/components/Editor/Editor.js

@@ -447,6 +447,10 @@ function mapStateToProps(state, ownProps) {
     editorBackLink = `/workflow`;
   }
 
+  if (collection.has('files') && collection.get('files').size === 1) {
+    editorBackLink = '/';
+  }
+
   if (collection.has('nested') && slug) {
     const pathParts = slug.split('/');
     if (pathParts.length > 2) {