tsconfig.json

{
  "compilerOptions": {
    "jsx": "react",
    "target": "es6",
    "module": "esnext",
    "moduleResolution": "node",
    "sourceMap": true,
    "emitDecoratorMetadata": true,
    "experimentalDecorators": true,
    "removeComments": false,
    "noImplicitAny": false,
    "suppressImplicitAnyIndexErrors": true,
    "outDir": "target/classes/static/app",
    "lib": ["dom", "es2015", "es2016", "es2017"],
    "types": ["jest", "webpack-env"],
    "allowJs": true,
    "checkJs": false,
    "baseUrl": "./",
    "paths": {
      "app/*": ["src/main/webapp/app/*"]
    },
    "importHelpers": true,
    "esModuleInterop": true,
    "allowSyntheticDefaultImports": true
  },
  "include": ["src/main/webapp/app", "src/test/javascript/spec"],
  "exclude": ["node_modules"]
}