From 6334fe5696d0067f19ff68e1987b95f8b47cdb94 Mon Sep 17 00:00:00 2001
From: Riku Rauhala <riku@rauhala.io>
Date: Tue, 22 Oct 2024 19:39:28 +0300
Subject: [PATCH] [TypeScript] Replace some type assertions with type
 annotations

---
 services/backend/src/services/statMerger.ts      |  4 ++--
 .../ResultTabs/panes/charts/PassRateChart.tsx    | 16 ++++++++--------
 2 files changed, 10 insertions(+), 10 deletions(-)

diff --git a/services/backend/src/services/statMerger.ts b/services/backend/src/services/statMerger.ts
index 9b482e5bc3..cc5582a23f 100644
--- a/services/backend/src/services/statMerger.ts
+++ b/services/backend/src/services/statMerger.ts
@@ -1,6 +1,6 @@
 export const populationCourseStatsMerger = (multiYearStats: any) => {
-  const courseCodes = [] as string[]
-  const stats = {} as Record<string, any>
+  const courseCodes: string[] = []
+  const stats: Record<string, any> = {}
   stats.coursestatistics = []
   stats.allStudents = 0
 
diff --git a/services/frontend/src/components/CourseStatistics/ResultTabs/panes/charts/PassRateChart.tsx b/services/frontend/src/components/CourseStatistics/ResultTabs/panes/charts/PassRateChart.tsx
index dc791b03b3..06dd2d48b2 100644
--- a/services/frontend/src/components/CourseStatistics/ResultTabs/panes/charts/PassRateChart.tsx
+++ b/services/frontend/src/components/CourseStatistics/ResultTabs/panes/charts/PassRateChart.tsx
@@ -88,10 +88,10 @@ const passRateStudentGraphOptions = (isRelative: boolean, categories: string[],
 })
 
 const getPassRateAttemptSeriesFromStats = stats => {
-  const all = [] as number[]
-  const passed = [] as number[]
-  const failed = [] as number[]
-  const enrolledNoGrade = [] as number[]
+  const all: number[] = []
+  const passed: number[] = []
+  const failed: number[] = []
+  const enrolledNoGrade: number[] = []
 
   stats.forEach(year => {
     const { passed: p, failed: f } = year.attempts.categories
@@ -119,10 +119,10 @@ const getPassRateAttemptSeriesFromStats = stats => {
 }
 
 const getPassRateStudentSeriesFromStats = stats => {
-  const all = [] as number[]
-  const passed = [] as number[]
-  const failed = [] as number[]
-  const enrolledNoGrade = [] as number[]
+  const all: number[] = []
+  const passed: number[] = []
+  const failed: number[] = []
+  const enrolledNoGrade: number[] = []
 
   stats.forEach(year => {
     all.push(year.students.total || 0)