Only when carryover is true

Author: Leonabcd123

frontend/src/ts/test/test-input.ts

@@ -453,11 +453,11 @@ function updateOverlap(now: number): void {
 }
 
 function carryoverFirstKeypress(
-  lastKey: string,
+  lastKey: string | undefined,
   lastKeyData: Keydata | undefined,
 ): void {
   // Carry over
-  if (lastKeyData !== undefined) {
+  if (lastKey !== undefined && lastKeyData !== undefined) {
     keypressTimings = {
       spacing: {
         first: lastKeyData.timestamp,
@@ -477,19 +477,24 @@ function carryoverFirstKeypress(
 }
 
 export function resetKeypressTimings(carryover: boolean): void {
-  // Because keydown triggers before input, we need to grab the first keypress data here and carry it over
-
-  // Take the key with the largest index
-  const lastKey = Object.keys(keyDownData).reduce((a, b) => {
-    const aIndex = keyDownData[a]?.index;
-    const bIndex = keyDownData[b]?.index;
-    if (aIndex === undefined) return b;
-    if (bIndex === undefined) return a;
-    return aIndex > bIndex ? a : b;
-  }, "");
-
-  // Get the data
-  const lastKeyData = keyDownData[lastKey];
+  let lastKey;
+  let lastKeyData;
+
+  if (carryover) {
+    // Because keydown triggers before input, we need to grab the first keypress data here and carry it over
+
+    // Take the key with the largest index
+    lastKey = Object.keys(keyDownData).reduce((a, b) => {
+      const aIndex = keyDownData[a]?.index;
+      const bIndex = keyDownData[b]?.index;
+      if (aIndex === undefined) return b;
+      if (bIndex === undefined) return a;
+      return aIndex > bIndex ? a : b;
+    }, "");
+
+    // Get the data
+    lastKeyData = keyDownData[lastKey];
+  }
 
   keypressTimings = {
     spacing: {