1 files changed, 24 insertions, 0 deletions

diff --git a/viewer/src/@types/Operation.ts b/viewer/src/@types/Operation.ts
new file mode 100644
index 0000000..e7aad27
--- /dev/null
+++ b/viewer/src/@types/Operation.ts
@@ -0,0 +1,24 @@
+/* ldgallery - A static generator which turns a collection of tagged
+--             pictures into a searchable web gallery.
+--
+-- Copyright (C) 2019-2020  Guillaume FOUET
+--
+-- This program is free software: you can redistribute it and/or modify
+-- it under the terms of the GNU Affero General Public License as
+-- published by the Free Software Foundation, either version 3 of the
+-- License, or (at your option) any later version.
+--
+-- This program is distributed in the hope that it will be useful,
+-- but WITHOUT ANY WARRANTY; without even the implied warranty of
+-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+-- GNU Affero General Public License for more details.
+--
+-- You should have received a copy of the GNU Affero General Public License
+-- along with this program.  If not, see <https://www.gnu.org/licenses/>.
+*/
+
+export enum Operation {
+  INTERSECTION = "",
+  ADDITION = "+",
+  SUBSTRACTION = "-",
+};