create centralized jest config

Author: lobsterkatie

jest.config.js

@@ -0,0 +1,16 @@
+module.exports = {
+  rootDir: process.cwd(),
+  collectCoverage: true,
+  transform: {
+    '^.+\\.ts$': 'ts-jest',
+  },
+  moduleFileExtensions: ['js', 'ts'],
+  testEnvironment: 'node',
+  testMatch: ['<rootDir>/**/*.test.ts'],
+  globals: {
+    'ts-jest': {
+      tsconfig: '<rootDir>/tsconfig.test.json',
+      diagnostics: false,
+    },
+  },
+};