tsconfig.json

{
  "compilerOptions": {
    "allowSyntheticDefaultImports": true,
    "strictNullChecks": true,
    "target": "es2017",
    "module": "commonjs",
    "isolatedModules": true,
    "typeRoots": ["node_modules/@types"],
    "lib": ["dom", "es2017"],
    "experimentalDecorators": true,
    "esModuleInterop": true,
    "noImplicitAny": true,
    "noImplicitReturns": true,
    "noUnusedLocals": true,
    "suppressImplicitAnyIndexErrors": true,
    "noImplicitThis": true,
    "downlevelIteration": true,
    "noEmitHelpers": true,
    "importHelpers": true,
    "plugins": [
      {
        "name": "typescript-tslint-plugin",
        "ignoreDefinitionFiles": true
      }
    ]
  },
  "include": [
    "benchmark",
    "example-runner",
    "generator",
    "script",
    "src",
    "test",
    "test262"
  ],
  "exclude": [
    "benchmark/sample",
    "example-runner/example-repos"
  ]
}