tsconfig.json

{
  "compileOnSave": false,
  "compilerOptions": {
    "outDir": "./dist/out-tsc",
    "sourceMap": true,
    "declaration": false,
    "moduleResolution": "node",
    "emitDecoratorMetadata": true,
    "experimentalDecorators": true,
    "target": "es5",
    "typeRoots": [
      "node_modules/@types"
    ],
    "lib": [
      "es2017",
      "dom"
    ],
    "plugins": [
      {
          "name": "tslint-language-service",
          // on Windows, this might trigger issues and should be removed
          // see the notice here: https://github.com/angelozerr/tslint-language-service#tslint-language-service
          // and the issue here: https://github.com/Microsoft/TypeScript/issues/15344
          "disableNoUnusedVariableRule": false
      }
    ]
  }
}