tsconfig.json

{
  "compilerOptions": {
    "outDir": "./dist",
    "target": "es2016",
    "module": "es2015",
    "moduleResolution": "bundler",
    "declaration": true,
    "declarationMap": true,
    "incremental": true,
    "forceConsistentCasingInFileNames": true,
    "newLine": "lf",
    "noEmitOnError": true,
    "resolveJsonModule": false,
    "skipLibCheck": true,
    "sourceMap": true,
    "stripInternal": true,
    "useDefineForClassFields": true,

    "noFallthroughCasesInSwitch": true,
    "noImplicitOverride": true,
    "noImplicitReturns": true,
    // "noPropertyAccessFromIndexSignature": true,
    "noUncheckedIndexedAccess": true,
    "noUnusedLocals": true,
    "noUnusedParameters": true,
    // "strict": true,

    // part of strict
    "alwaysStrict": true,
    // "noImplicitAny": true,
    "noImplicitThis": true,
    "strictBindCallApply": true,
    "strictFunctionTypes": true,
    // "strictNullChecks": true,
    // "strictPropertyInitialization": true,
    // "useUnknownInCatchVariables": true,
  },
  "include": ["src", "tests", "scripts"],
}