Декларации типов и файлы d.ts

export declare function parse(input: string): Result;

export function sum(a: number, b: number) {
  return a + b;
}

export function convert(value: string): number;
export function convert(value: number): string;

export {};
declare global {
  interface Window { appVersion: string }
}

export {};
interface Window { appVersion: string }

declare function legacyFormat(value: string): string;

declare module "legacy-parser" {
  export function parse(input: string): unknown;
}

declare module "legacy-parser";

declare function createClient(): Client;
export = createClient;

{
  "main": "./dist/index.js",
  "types": "./dist/index.d.ts"
}

{
  "compilerOptions": {
    "declaration": true,
    "declarationMap": true
  }
}

// Фрагмент для анализа
npm pack --dry-run

import { createClient } from "typed-client";
const client = createClient({ timeoutMs: 500 });

import { createClient } from "typed-client";
// @ts-expect-error — пакет не публикует internalConnect
import { internalConnect } from "typed-client";

export declare function parse(input: string): Result;

// package.json
// exports: { ".": "./dist/index.js", "./testing": "./dist/testing.js" }

export interface Client {
  readonly version: string;
  transport: InternalSocket;
  request(url: string): Promise<unknown>;
}

export declare function parse(input: string): Promise<Result>;