fix: query totalCount on its own

CHANGELOG.md

@@ -17,6 +17,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ### Fixed	
 
 - Fixed a server crash that occourred if an entity property is named `localized`.
+- A bug where the field `totalCount` could not be queried on its own
 
 ### Removed
 

lib/resolvers/parse/util/index.js

@@ -16,9 +16,8 @@ const _filterOutDuplicateColumnsSelections = selections => {
 }
 
 const getPotentiallyNestedNodesSelections = selections => {
-  const nodesSelections = selections.filter(selection => selection.name.value === CONNECTION_FIELDS.nodes)
-  if (nodesSelections.length === 0) return selections
-  return _filterOutDuplicateColumnsSelections(selections)
+  const isConnection = selections.some(selection => Object.values(CONNECTION_FIELDS).includes(selection.name.value))
+  return isConnection ? _filterOutDuplicateColumnsSelections(selections) : selections
 }
 
 module.exports = { getPotentiallyNestedNodesSelections }

test/tests/queries/totalCount.test.js

@@ -38,6 +38,27 @@ describe('graphql - queries with totalCount', () => {
     expect(response.data).toEqual({ data })
   })
 
+  test('query selecting only totalCount', async () => {
+    const query = gql`
+      {
+        AdminService {
+          Books {
+            totalCount
+          }
+        }
+      }
+    `
+    const data = {
+      AdminService: {
+        Books: {
+          totalCount: 5
+        }
+      }
+    }
+    const response = await POST('/graphql', { query })
+    expect(response.data).toEqual({ data })
+  })
+
   test('query with totalCount and simple filter', async () => {
     const query = gql`
       {