From 594e291207947173b0d1631df522450248ab4c4f Mon Sep 17 00:00:00 2001
From: Riley Jones <rileyjones@google.com>
Date: Wed, 30 Aug 2023 22:08:46 +0000
Subject: [PATCH] add missing type

---
 tensorboard/webapp/metrics/store/metrics_reducers.ts | 10 ++++++++++
 tensorboard/webapp/metrics/store/metrics_types.ts    |  9 +++++++++
 tensorboard/webapp/metrics/testing.ts                | 10 ++++++++++
 3 files changed, 29 insertions(+)

diff --git a/tensorboard/webapp/metrics/store/metrics_reducers.ts b/tensorboard/webapp/metrics/store/metrics_reducers.ts
index 07e1177d77..57b77cacb1 100644
--- a/tensorboard/webapp/metrics/store/metrics_reducers.ts
+++ b/tensorboard/webapp/metrics/store/metrics_reducers.ts
@@ -453,6 +453,16 @@ const {initialState, reducers: namespaceContextedReducer} =
       settings: METRICS_SETTINGS_DEFAULT,
       settingOverrides: {},
       visibleCardMap: new Map<ElementId, CardId>(),
+      previousCardInteractions: {
+        tagFilters: [],
+        pins: [],
+        clicks: [],
+      },
+      newCardInteractions: {
+        tagFilters: [],
+        pins: [],
+        clicks: [],
+      },
     },
 
     /** onNavigated */
diff --git a/tensorboard/webapp/metrics/store/metrics_types.ts b/tensorboard/webapp/metrics/store/metrics_types.ts
index b3364cc196..c89368db7b 100644
--- a/tensorboard/webapp/metrics/store/metrics_types.ts
+++ b/tensorboard/webapp/metrics/store/metrics_types.ts
@@ -27,6 +27,7 @@ import {
 } from '../data_source';
 import {
   CardId,
+  CardIdWithMetadata,
   CardMetadata,
   CardUniqueInfo,
   HistogramMode,
@@ -166,6 +167,12 @@ export type CardStepIndexMap = Record<
   CardStepIndexMetaData | null
 >;
 
+export type CardInteractions = {
+  tagFilters: string[];
+  pins: CardIdWithMetadata[];
+  clicks: CardIdWithMetadata[];
+};
+
 export type CardToPinnedCard = Map<NonPinnedCardId, PinnedCardId>;
 
 export type PinnedCardToCard = Map<PinnedCardId, NonPinnedCardId>;
@@ -254,6 +261,8 @@ export interface MetricsNonNamespacedState {
    * Map from ElementId to CardId. Only contains all visible cards.
    */
   visibleCardMap: Map<ElementId, CardId>;
+  previousCardInteractions: CardInteractions;
+  newCardInteractions: CardInteractions;
 }
 
 export type MetricsState = NamespaceContextedState<
diff --git a/tensorboard/webapp/metrics/testing.ts b/tensorboard/webapp/metrics/testing.ts
index fbb8a94f76..42d4d5be70 100644
--- a/tensorboard/webapp/metrics/testing.ts
+++ b/tensorboard/webapp/metrics/testing.ts
@@ -112,6 +112,16 @@ function buildBlankState(): MetricsState {
     isSettingsPaneOpen: false,
     isSlideoutMenuOpen: false,
     tableEditorSelectedTab: DataTableMode.SINGLE,
+    previousCardInteractions: {
+      tagFilters: [],
+      pins: [],
+      clicks: [],
+    },
+    newCardInteractions: {
+      tagFilters: [],
+      pins: [],
+      clicks: [],
+    },
   };
 }