fix(ts): fix build and tests tsconfig.json

jest.config.ts

@@ -5,6 +5,14 @@ const config: JestConfigWithTsJest = {
   testEnvironment: "node",
   reporters: ["default", "jest-junit"],
   coverageProvider: "v8",
+  transform: {
+    "^.+\\.m?[tj]sx?$": [
+      "ts-jest",
+      {
+        tsconfig: "tests/tsconfig.json",
+      },
+    ],
+  },
 };
 
 export default config;

tests/tsconfig.json

@@ -4,4 +4,7 @@
     "declaration": true,
     "module": "commonjs"
   },
+  "files": [
+    "./index.d.ts"
+  ]
 }

tsconfig.json

@@ -6,9 +6,6 @@
     "sourceMap": true,
     "outDir": "./lib",
   },
-  "files": [
-    "./tests/index.d.ts"
-  ],
   "include": [
     "src"
   ],