use standard tsconfig and central jest config in node integration test package

Author: lobsterkatie

packages/node-integration-tests/jest.config.js

@@ -1,10 +1,6 @@
-const config = {
-  transform: {
-    '^.+\\.ts$': 'ts-jest',
-  },
-  testEnvironment: 'node',
+const baseConfig = require('../../jest.config.js');
+
+module.exports = {
+  ...baseConfig,
   testMatch: ['**/test.ts'],
-  moduleFileExtensions: ['js', 'ts'],
 };
-
-module.exports = config;

packages/node-integration-tests/tsconfig.json

@@ -1,9 +1,11 @@
 {
   "extends": "../../tsconfig.json",
+
+  "include": ["**/*.ts"],
+
   "compilerOptions": {
+    // package-specific options
     "esModuleInterop": true,
-    "types": ["jest", "node"]
-  },
-  "include": ["**/*.ts", "jest.config.js"],
-  "exclude": ["node_modules"]
+    "types": ["node"]
+  }
 }

packages/node-integration-tests/tsconfig.test.json

@@ -0,0 +1,12 @@
+{
+  "extends": "./tsconfig.json",
+
+  "include": ["**/*.ts"],
+
+  "compilerOptions": {
+    // should include all types from `./tsconfig.json` plus types for all test frameworks used
+    "types": ["node", "jest"]
+
+    // other package-specific, test-specific options
+  }
+}