Cleanup tests

package.json

@@ -11,7 +11,7 @@
   ],
   "scripts": {
     "test": "jest",
-    "build": "rimraf lib && tsc"
+    "build": "rimraf lib && tsc -p ./tsconfig.build.json"
   },
   "dependencies": {
     "@jest/environment": "^24.3.0",

src/__tests__/index.test.ts

@@ -1,14 +1,22 @@
-
-const JSDomEnvironment = jest.requireActual("../index");
+import JSDomEnvironment from "../";
 
 describe("JSDomEnvironment", () => {
+  let instance: JSDomEnvironment | undefined;
+
+  afterEach(async () => {
+    if (instance) {
+      await instance.teardown();
+      instance = undefined;
+    }
+  });
+
   it("should configure setTimeout/setInterval to use the browser api", () => {
-    const env1 = new JSDomEnvironment({});
+    instance = new JSDomEnvironment({} as any);
 
-    env1.fakeTimers.useFakeTimers();
+    instance.fakeTimers!.useFakeTimers();
 
-    const timer1 = env1.global.setTimeout(() => {}, 0);
-    const timer2 = env1.global.setInterval(() => {}, 0);
+    const timer1 = instance.global.setTimeout(() => {}, 0);
+    const timer2 = instance.global.setInterval(() => {}, 0);
 
     [timer1, timer2].forEach(timer => {
       expect(typeof timer).toBe("number");

tsconfig.build.json

@@ -0,0 +1,4 @@
+{
+  "extends": "./tsconfig",
+  "exclude": ["src/**/__mocks__/*", "src/**/__tests__/*"]
+}

tsconfig.json

@@ -12,6 +12,5 @@
     "strict": true,
     "target": "es5"
   },
-  "include": ["src/**/*"],
-  "exclude": ["src/**/__mocks__/*", "src/**/__tests__/*"]
+  "include": ["src/**/*"]
 }