impr(numbers util): add roundTo1 function

monkeytypegame · May 5, 2024 · 413a74b · 413a74b
1 parent a6a4e09
commit 413a74b
Showing 1 changed file with 9 additions and 0 deletions.
diff --git a/frontend/src/ts/utils/numbers.ts b/frontend/src/ts/utils/numbers.ts
@@ -48,6 +48,15 @@ export function median(arr: number[]): number {
   }
 }
 
+/**
+ * Rounds a number to one decimal places.
+ * @param num The number to round.
+ * @returns The input number rounded to one decimal places.
+ */
+export function roundTo1(num: number): number {
+  return Math.round((num + Number.EPSILON) * 10) / 10;
+}
+
 /**
  * Rounds a number to two decimal places.
  * @param num The number to round.