diff --git a/packages/shared/src/SortedMap/SortedMap.test.ts b/packages/shared/src/SortedMap/SortedMap.test.ts
index 7234a9a9..c52cc45b 100644
--- a/packages/shared/src/SortedMap/SortedMap.test.ts
+++ b/packages/shared/src/SortedMap/SortedMap.test.ts
@@ -2,7 +2,7 @@ import { describe, expect, it } from "vitest";
 
 import RBSortedMap from "../../../../tests/RBSortedMap.ts";
 
-import SortedMap from "./SortedMap.tsx";
+import SortedMap from "./SortedMap.ts";
 
 function runTestsForMap(MapConstructor: any, mapName: string) {
   describe(mapName, () => {
diff --git a/packages/shared/src/SortedMap/SortedMap.tsx b/packages/shared/src/SortedMap/SortedMap.ts
similarity index 94%
rename from packages/shared/src/SortedMap/SortedMap.tsx
rename to packages/shared/src/SortedMap/SortedMap.ts
index 6cceac4e..f31b535d 100644
--- a/packages/shared/src/SortedMap/SortedMap.tsx
+++ b/packages/shared/src/SortedMap/SortedMap.ts
@@ -10,7 +10,12 @@ export class SortedMap<K, V> {
 
     if (compare) {
       if (typeof compare === "string") {
-        this.compare = (a, b) => (a[1][compare] > b[1][compare] ? 1 : a[1][compare] < b[1][compare] ? -1 : 0);
+        this.compare = (a, b) =>
+          (a[1] as any)[compare] > (b[1] as any)[compare]
+            ? 1
+            : (a[1] as any)[compare] < (a[1] as any)[compare]
+              ? -1
+              : 0;
       } else {
         this.compare = compare;
       }
diff --git a/packages/shared/tsconfig.json b/packages/shared/tsconfig.json
index ddb91693..315053bd 100644
--- a/packages/shared/tsconfig.json
+++ b/packages/shared/tsconfig.json
@@ -13,6 +13,7 @@
     "outDir": "dist",
     "skipLibCheck": true
   },
+  "exclude": ["src/**/*.test.ts"],
   "include": ["src/**/*.ts", "src/.d.ts"],
   "files": ["src/index.ts"]
 }