tsconfig.json

{
  "compilerOptions": {
    "target": "es5",
    "module": "es2015",
    "moduleResolution": "node",
    "emitDecoratorMetadata": true,
    "experimentalDecorators": true,
    "allowSyntheticDefaultImports": true,
    "sourceMap": true,
    "noEmitHelpers": true,
    "importHelpers": true,
    "noImplicitAny": false,
    "strictNullChecks": false,
    "skipDefaultLibCheck": true,
    "pretty": true,
    "baseUrl": ".",
    "typeRoots": [
      "node_modules/@types"
    ],
    "types": [
      "jasmine",
      "node"
    ],
    "lib": [
      "dom",
      "es6",
      "es2015",
      "es2016",
      "es2017"
    ]
  },
  "exclude": [
    "node_modules",
    "dist",
    "src/**/*.spec.ts",
    "src/**/*.e2e.ts",
    "src/main.server.aot.ts"
  ],
  "compileOnSave": false,
  "buildOnSave": false,
  "atom": {
    "rewriteTsconfig": false
  }
}