tsconfig.json

{
  "compilerOptions": {
    // Project composition
    "composite": true,
    "incremental": true,

    "declaration": true,
    "declarationMap": true,
    "sourceMap": true,
    "noEmitOnError": true,

    // Build target
    "target": "ES2018",
    "lib": ["ES2018"],
    "module": "NodeNext",
    "moduleResolution": "NodeNext",
    "skipLibCheck": true,

    // Strict
    "strict": true,
    "forceConsistentCasingInFileNames": true,
    "verbatimModuleSyntax": true,
    "noFallthroughCasesInSwitch": true,
    "noImplicitReturns": true,
    // "noPropertyAccessFromIndexSignature": true,
    "noUncheckedIndexedAccess": true,
    "noUnusedLocals": true,
    "noUnusedParameters": true,

    // Spec compliance
    "useDefineForClassFields": true
  },
  "references": [
    { "path": "./src/tsconfig.json" },
    { "path": "./utils-src/node/tsconfig.json" },
    { "path": "./utils-src/web/tsconfig.json" },
    { "path": "./__tests__/tsconfig.json" }
  ],
  "files": []
}