Add tests

jest.config.js

@@ -0,0 +1,14 @@
+module.exports = {
+    transform: {
+        "^.+\\.ts$": "ts-jest"
+    },
+    moduleFileExtensions: [
+        'js',
+        'ts',
+        'd.ts'
+    ],
+    testMatch: [
+        '**/test/**/*.test.ts'
+    ],
+    testEnvironment: 'node'
+};

package.json

@@ -18,6 +18,7 @@
     "@babel/preset-env": "^7.9.5",
     "@types/config": "^0.0.36",
     "@types/express": "^4.17.6",
+    "@types/jest": "^25.2.1",
     "@types/node": "^13.13.2",
     "babel-loader": "^8.1.0",
     "concurrently": "^5.1.0",

test/ExampleApp.test.ts

@@ -0,0 +1,5 @@
+describe('Write your tests', () => {
+    test('Remove this when you have some tests', () => {
+        expect(false).toBe(true);
+    });
+});