tsconfig.json

{
    "compilerOptions": {
        /* Basic Options */
        "target": "ESNext",
        "module": "commonjs",
        "outDir": "",
        "rootDir": "src",
        "removeComments": true,

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

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

        /* Module Resolution Options */
        "noImplicitUseStrict": true,

        /* Advanced Options */
        "skipLibCheck": true /* Skip type checking of declaration files. */,
        "forceConsistentCasingInFileNames": true /* Disallow inconsistently-cased references to the same file. */,
        "allowSyntheticDefaultImports": true
    }
}