tsconfig.base.json

{
  "compilerOptions": {
    "allowJs": true,
    "allowSyntheticDefaultImports": true,
    "allowUnreachableCode": false,
    "alwaysStrict": true,
    "checkJs": true,
    "declaration": true,
    "declarationMap": true,
    "esModuleInterop": true,
    "experimentalDecorators": true,
    "forceConsistentCasingInFileNames": true,
    "jsx": "preserve",
    "lib": ["dom", "dom.iterable", "es2017"],
    "module": "esnext",
    "moduleResolution": "node",
    "newLine": "lf",
    "noImplicitAny": false,
    "noImplicitReturns": true,
    "noUnusedLocals": false,
    "noUnusedParameters": false,
    "outDir": "dist",
    "preserveWatchOutput": true,
    "resolveJsonModule": true,
    "skipLibCheck": true,
    "sourceMap": true,
    "strict": true,
    "strictNullChecks": true,
    "target": "esnext",
    "useDefineForClassFields": false,
    "types": ["node"]
  },
  "exclude": ["node_modules/**", "**/dist/**"]
}