Replace taskable argument with name

Add name argument to workItemTypes GQL field to be able to query a specific type.
Also remove the existing (experimental) taskable argument because it becomes redundant.

Changelog: changed

app/graphql/resolvers/work_items/types_resolver.rb

@@ -7,18 +7,17 @@ class TypesResolver < BaseResolver
 
       type Types::WorkItems::TypeType.connection_type, null: true
 
-      argument :taskable, ::GraphQL::Types::Boolean,
-               required: false,
-               description: 'If `true`, only taskable work item types will be returned.' \
-                            ' Argument is experimental and can be removed in the future without notice.'
+      argument :name, Types::IssueTypeEnum,
+               description: 'Filter work item types by the given name.',
+               required: false
 
-      def resolve_with_lookahead(taskable: nil)
+      def resolve_with_lookahead(name: nil)
         context.scoped_set!(:resource_parent, object)
 
         # This will require a finder in the future when groups/projects get their work item types
         # All groups/projects use the default types for now
         base_scope = ::WorkItems::Type.default
-        base_scope = base_scope.by_type(:task) if taskable
+        base_scope = base_scope.by_type(name) if name
 
         apply_lookahead(base_scope.order_by_name_asc)
       end

doc/api/graphql/reference/index.md

@@ -20593,7 +20593,7 @@ four standard [pagination arguments](#connection-pagination-arguments):
 | Name | Type | Description |
 | ---- | ---- | ----------- |
-| <a id="groupworkitemtypestaskable"></a>`taskable` | [`Boolean`](#boolean) | If `true`, only taskable work item types will be returned. Argument is experimental and can be removed in the future without notice. |
+| <a id="groupworkitemtypesname"></a>`name` | [`IssueType`](#issuetype) | Filter work item types by the given name. |
 ##### `Group.workItems`
@@ -26023,7 +26023,7 @@ four standard [pagination arguments](#connection-pagination-arguments):
 | Name | Type | Description |
 | ---- | ---- | ----------- |
-| <a id="projectworkitemtypestaskable"></a>`taskable` | [`Boolean`](#boolean) | If `true`, only taskable work item types will be returned. Argument is experimental and can be removed in the future without notice. |
+| <a id="projectworkitemtypesname"></a>`name` | [`IssueType`](#issuetype) | Filter work item types by the given name. |
 ##### `Project.workItems`

spec/graphql/resolvers/work_items/types_resolver_spec.rb

@@ -22,10 +22,10 @@
       expect(result.to_a).to match(WorkItems::Type.default.order_by_name_asc)
     end
 
-    context 'when requesting taskable types' do
-      let(:args) { { taskable: true } }
+    context 'when filtering by type name' do
+      let(:args) { { name: 'TASK' } }
 
-      it 'returns only taskable types' do
+      it 'returns type with the given name' do
         expect(result.to_a).to contain_exactly(WorkItems::Type.default_by_type(:task))
       end
     end