Move services to public (#6156)

Signed-off-by: Andrey Sobolev <haiodo@gmail.com>

plugins/diffview-resources/src/utils.ts

@@ -0,0 +1,37 @@
+//
+// Copyright © 2023 Hardcore Engineering Inc.
+//
+// Licensed under the Eclipse Public License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License. You may
+// obtain a copy of the License at https://www.eclipse.org/legal/epl-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+//
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+import { type DiffFile } from '@hcengineering/diffview'
+
+export function isDevNullName (name: string): boolean {
+  return name === '/dev/null'
+}
+
+export function getFileName (file: DiffFile): string {
+  const { oldName, newName } = file
+  return isDevNullName(newName) ? oldName : newName
+}
+
+export function formatFileName (file: DiffFile): string {
+  const { oldName, newName } = file
+
+  if (oldName !== newName && !isDevNullName(oldName) && !isDevNullName(newName)) {
+    return oldName + ' → ' + newName
+  } else if (!isDevNullName(newName)) {
+    return newName
+  } else {
+    return oldName
+  }
+}