tsconfig.json

{
  "compilerOptions": {
    /* Visit https://aka.ms/tsconfig.json to read more about this file */

    /* Language and Environment */
    "target": "esnext" /* Set the JavaScript language version for emitted JavaScript and include compatible library declarations. */,

    /* Modules */
    "module": "commonjs" /* Specify what module code is generated. */,
    "rootDir": "./src" /* Specify the root folder within your source files. */,

    /* Emit */
    "declaration": true /* Generate .d.ts files from TypeScript and JavaScript files in your project. */,
    "sourceMap": true /* Create source map files for emitted JavaScript files. */,
    "outDir": "./dist" /* Specify an output folder for all emitted files. */,

    /* Interop Constraints */
    "esModuleInterop": true /* Emit additional JavaScript to ease support for importing CommonJS modules. This enables `allowSyntheticDefaultImports` for type compatibility. */,
    "forceConsistentCasingInFileNames": true /* Ensure that casing is correct in imports. */,

    /* Type Checking */
    "strict": true /* Enable all strict type-checking options. */,
    "noImplicitAny": true /* Enable error reporting for expressions and declarations with an implied `any` type.. */,
    "strictNullChecks": true /* When type checking, take into account `null` and `undefined`. */,
    "strictFunctionTypes": true /* When assigning functions, check to ensure parameters and the return values are subtype-compatible. */,

    /* Completeness */
    "skipLibCheck": true /* Skip type checking all .d.ts files. */
  },
  "include": ["src"]
}