tsconfig.json

{
    "compilerOptions": {
        /* Basic Options */
        "target": "ES2019",
        "module": "ESNext",
        "moduleResolution": "node",
        "outDir": "./dist",
        "declarationDir": "./dist",
        "removeComments": true,
        "importHelpers": true,
        "downlevelIteration": true,
        "declaration": true,
        "sourceMap": true,

        /* Strict Type-Checking Options */
        "strict": true,
        "resolveJsonModule": true,
        "noImplicitAny": true,
        "strictNullChecks": true,
        "strictFunctionTypes": true,
        "strictBindCallApply": true,
        "strictPropertyInitialization": true,
        "noImplicitThis": true,
        "alwaysStrict": true,

        /* Additional Checks */
        "noImplicitReturns": true,
        "noFallthroughCasesInSwitch": true,

        /* Module Resolution Options */
        "baseUrl": ".",
        "allowSyntheticDefaultImports": true,
        "esModuleInterop": true
    },
    "include": ["./src/**/*"],
    "exclude": ["node_modules", "dist"]
}