From b16a2495612aa12abbf122dc71c7b368958310cf Mon Sep 17 00:00:00 2001
From: Noel Kwan <noelkwan1998@gmail.com>
Date: Thu, 19 Sep 2024 21:56:26 +0800
Subject: [PATCH] typecheck

---
 dashboard/components/RelationDependencyGraph.tsx | 2 +-
 dashboard/pages/dependency_graph.tsx             | 6 +++---
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/dashboard/components/RelationDependencyGraph.tsx b/dashboard/components/RelationDependencyGraph.tsx
index 03579bec4f060..3ee3f7bf61b68 100644
--- a/dashboard/components/RelationDependencyGraph.tsx
+++ b/dashboard/components/RelationDependencyGraph.tsx
@@ -66,7 +66,7 @@ export default function RelationDependencyGraph({
   nodes: RelationPoint[]
   selectedId: string | undefined
   setSelectedId: (id: string) => void
-  backPressures: Map<string, number> // relationId-relationId->back_pressure_rate})
+  backPressures?: Map<string, number> // relationId-relationId->back_pressure_rate})
 }) {
   const [modalData, setModalId] = useCatalogModal(nodes.map((n) => n.relation))
 
diff --git a/dashboard/pages/dependency_graph.tsx b/dashboard/pages/dependency_graph.tsx
index ba75d8beb2281..9217a4d05e2ef 100644
--- a/dashboard/pages/dependency_graph.tsx
+++ b/dashboard/pages/dependency_graph.tsx
@@ -178,14 +178,14 @@ export default function StreamingGraph() {
   }, [backPressureDataSource, toast, resetEmbeddedBackPressures])
 
   // Get relationId-relationId -> backpressure rate map
-  const backPressures = useMemo(() => {
+  const backPressures: Map<string, number> | undefined = useMemo(() => {
     if (!fragmentVertexToRelationMap) {
-      return new Map()
+      return new Map<string, number>()
     }
     let inMap = fragmentVertexToRelationMap.inMap
     let outMap = fragmentVertexToRelationMap.outMap
     if (prometheusMetrics || embeddedBackPressureInfo) {
-      let map = new Map()
+      let map = new Map<string, number>()
 
       if (backPressureDataSource === "Embedded" && embeddedBackPressureInfo) {
         const metrics = calculateBPRate(