Package & Module

   ...

   "description": "A nice greeter",

   "main": "lib/index.js",

   "types": "lib/index.d.ts",

   ...

import { ZipCodeValidator } from "./ZipCodeValidator"; // import something exported

import { ZipCodeValidator as ZCV } from "./ZipCodeValidator"; // import & rename

import * as validator from "./ZipCodeValidator"; // import entire module with a name

import "./my-module.js"; // for side-effect only

import Validator from "ModuleWithDefault" // import the default export

// Import CommonJS compatible module

import module = require("module")

export default something; // export default, each module can has only one default

export interface StringValidator {...}

export const numberRegexp = ...;

export class ZipCodeValidator implements StringValidator {...}

export { SomethingAlreadyDefined };

export { SomethingAlreadyDefined as exportedName };

// Re-export

export {ZipCodeValidator as RegExpBasedZipCodeValidator} from "./ZipCodeValidator";

export * from "./StringValidator"; 

// CommonJS 'exports' compatible export

export = ZipCodeValidator;

declare module "*.vue" {

  import Vue from "vue";

  export default Vue;

}