Don't capitalize QueryType fields and other fixes

https://gitlab.com/gitlab-org/gitlab/-/issues/322508

lib/gitlab/graphql/docs/helper.rb

@@ -28,7 +28,7 @@ module Gitlab
         end
 
         def render_name_and_description(object)
-          content = "### #{object[:name].camelcase}\n"
+          content = "### #{object[:name]}\n"
 
           if object[:description].present?
             content += "\n#{object[:description]}"
@@ -53,14 +53,6 @@ module Gitlab
             ]
         end
 
-        def render_argument(argument)
-          '| %s | %s | %s |' % [
-            render_name(argument),
-            render_description(argument),
-            render_field_type(argument[:type][:info])
-          ]
-        end
-
         def render_enum_value(value)
           '| %s | %s |' % [
             render_name(value),

lib/gitlab/graphql/docs/templates/default.md.haml

@@ -21,21 +21,19 @@
 \
 
 :plain
-  ## Queries
+  ## `Query` type
 
-  Queries are used to get the resources, filter or query them.
-
-  For more information, visit [Queries and Mutations](https://graphql.org/learn/queries/).
+  The `Query` type contains the API's top-level entry points for all executable queries.
 \
 
 - sorted_by_name(queries).each do |query|
-
   = render_name_and_description(query)
   - unless query[:arguments].empty?
-    ~ "| Name | Description | Type |"
-    ~ "| ----- | ---- | ----------- |"
+    ~ "#### Arguments\n"
+    ~ "| Name | Type | Description |"
+    ~ "| ---- | ---- | ----------- |"
     - sorted_by_name(query[:arguments]).each do |argument|
-      = render_argument(argument)
+      = render_field(argument)
     \
 
 :plain

spec/lib/gitlab/graphql/docs/renderer_spec.rb

@@ -53,13 +53,15 @@ RSpec.describe Gitlab::Graphql::Docs::Renderer do
       context 'query generation' do
         let(:expectation) do
           <<~DOC
-            ### Foo
+            ### foo
 
             List of objects.
 
-            | Name | Description | Type |
-            | ----- | ---- | ----------- |
-            | `id` | ID of the object. | ID |
+            #### Arguments
+
+            | Name | Type | Description |
+            | ---- | ---- | ----------- |
+            | `id` | ID | ID of the object. |
           DOC
         end