tsconfig.json

{
  "include": ["src"],
  "exclude": ["node_modules", "js/**/*", "ts/**/*"],
  "compilerOptions": {
    "strict": true,
    "outDir": "js",
    "declaration": true,
    "declarationDir": "ts",
    "emitDeclarationOnly": true,
    "lib": ["ESNext", "DOM", "webworker", "DOM.Iterable"],
    "module": "ESNext",
    "target": "ESNext",
    "moduleResolution": "Node",
    "moduleDetection": "force",
    "allowSyntheticDefaultImports": true,
    "forceConsistentCasingInFileNames": true,
    "noImplicitAny": true,
    "strictNullChecks": true,
    "noImplicitReturns": true,
    "pretty": true,
    "noUnusedLocals": true,
    "noUnusedParameters": true,
    "noImplicitOverride": true,
    "noFallthroughCasesInSwitch": true,
    "importHelpers": true,
    "tsBuildInfoFile": null,
    "incremental": true,
    "resolveJsonModule": true,
    "allowArbitraryExtensions": true,
    "verbatimModuleSyntax": true,
    "assumeChangesOnlyAffectDirectDependencies": true,
    "esModuleInterop": true,
    "sourceRoot": ".",
    "inlineSourceMap": true,
    "inlineSources": true,
    "skipLibCheck": true,
    "baseUrl": ".",
    "types": ["node"]
  }
}