tsconfig.json

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

    /* Language and Environment */
    "target": "es5" /* Set the JavaScript language version for emitted JavaScript and include compatible library declarations. */,

    /* Modules */
    "module": "CommonJS" /* Specify what module code is generated. */,
    "moduleResolution": "node" /* Specify how TypeScript looks up a file from a given module specifier. */,

    /* JavaScript Support */
    "allowJs": false /* Allow JavaScript files to be a part of your program. Use the `checkJS` option to get errors from these files. */,

    /* Emit */
    "declaration": true /* Generate .d.ts files from TypeScript and JavaScript files in your project. */,
    "outDir": "./dist",
    "stripInternal": true /* Disable emitting declarations that have `@internal` in their JSDoc comments. */,
    // "declarationDir": "./dist/types" /* Specify the output directory for generated declaration files. */,

    /* Interop Constraints */
    "allowSyntheticDefaultImports": true /* Allow 'import x from y' when a module doesn't have a default export. */,
    "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. */,
    "useUnknownInCatchVariables": true /* Type catch clause variables as 'unknown' instead of 'any'. */,
    "alwaysStrict": true /* Ensure 'use strict' is always emitted. */,
    "noUnusedLocals": true /* Enable error reporting when a local variables aren't read. */,

    /* Completeness */
    "skipDefaultLibCheck": true /* Skip type checking .d.ts files that are included with TypeScript. */
  }
}