tsconfig.json

{
    "compilerOptions": {
        /* Visit https://aka.ms/tsconfig.json to read more about this file */
        "target": "es2017", /* Specify ECMAScript target version: 'ES3' (default), 'ES5', 'ES2015', 'ES2016', 'ES2017', 'ES2018', 'ES2019', 'ES2020', or 'ESNEXT'. */
        "module": "commonjs", /* Specify module code generation: 'none', 'commonjs', 'amd', 'system', 'umd', 'es2015', 'es2020', or 'ESNext'. */
        "outDir": "./lib", /* Redirect output structure to the directory. */
        "rootDir": "./src", /* Specify the root directory of input files. Use to control the output directory structure with --outDir. */
        "strict": true, /* Enable all strict type-checking options. */
        "noUnusedLocals": true, /* Report errors on unused locals. */
        "noUnusedParameters": true, /* Report errors on unused parameters. */
        "noImplicitReturns": true, /* Report error when not all code paths in function return a value. */
        "noFallthroughCasesInSwitch": true, /* Report errors for fallthrough cases in switch statement. */
        "noUncheckedIndexedAccess": true, /* Include 'undefined' in index signature results */
        "moduleResolution": "node", /* Specify module resolution strategy: 'node' (Node.js) or 'classic' (TypeScript pre-1.6). */
        "baseUrl": "./", /* Base directory to resolve non-absolute module names. */
        "esModuleInterop": true, /* Enables emit interoperability between CommonJS and ES Modules via creation of namespace objects for all imports. Implies 'allowSyntheticDefaultImports'. */
        "skipLibCheck": true, /* Skip type checking of declaration files. */
        "forceConsistentCasingInFileNames": true, /* Disallow inconsistently-cased references to the same file. */
        "declaration": true, /* Generate .d.ts files for every TypeScript or JavaScript file inside your project. */
        "declarationDir": "./types", /* Offers a way to configure the root directory for where declaration files are emitted. */
        "resolveJsonModule": true /* Allows importing modules with a ‘.json’ extension, which is a common practice in node projects. */
    },
    "include": [
        "src/**/*"
    ]
}