tsconfig.json

{
  "compileOnSave": false,
  "compilerOptions": {
    "outDir": "./dist/out-tsc",
    "baseUrl": "src",
    "sourceMap": true,
    "declaration": false,
    "moduleResolution": "node",
    "emitDecoratorMetadata": true,
    "experimentalDecorators": true,
    "target": "es5",
    "allowSyntheticDefaultImports": true,
    "typeRoots": [
      "node_modules/@types"
    ],
    "lib": [
      "es2016",
      "dom",
      "es2017.object",
      "es2016.array.include"
    ],
    "module": "es2015"
  },
  "angularCompilerOptions": {
    "enableIvy": true,
    "allowEmptyCodegenFiles": true
  },
  "include": [
    "src/main.ts",
    "src/polyfills.ts",
    "src/environments/environment.ts",
    "src/**/*.component.ts",
    "src/**/*.module.ts",
    "src/**/*.routes.ts"
  ],
  "exclude": [
    "node_modules",
    "**/*.spec.ts"
  ]
}