2 files changed, 10 insertions, 3 deletions

diff --git a/viewer/src/@types/tag/Operation.ts b/viewer/src/@types/tag/Operation.ts
new file mode 100644
index 0000000..a0de92b
--- /dev/null
+++ b/viewer/src/@types/tag/Operation.ts
@@ -0,0 +1,5 @@
+export enum Operation {
+    INTERSECTION = '',
+    ADDITION = '+',
+    SUBSTRACTION = '-',
+};
\ No newline at end of file
diff --git a/viewer/src/@types/tag/index.d.ts b/viewer/src/@types/tag/index.d.ts
index 30bbebb..6a0c605 100644
--- a/viewer/src/@types/tag/index.d.ts
+++ b/viewer/src/@types/tag/index.d.ts
@@ -4,9 +4,11 @@ declare namespace Tag {
         items: Gallery.Item[];
         children: Index;
     }
-    interface NodeWithParent extends Node {
-        parent: Node;
+    interface Search extends Node {
+        parent?: Node;
+        operation: string; // Enum Operation
+        display: string;
     }
-    type Search = Node | NodeWithParent;
+    type SearchByOperation = { [index: string]: Tag.Search[] };
     type Index = { [index: string]: Node };
 }
\ No newline at end of file