webpack/examples/harmony-library/README.md

webpack.config.js

var path = require("path");
module.exports = {
	// mode: "development || "production",
	entry: "./example",
	output: {
		path: path.join(__dirname, "dist"),
		filename: "MyLibrary.umd.js",
		library: "MyLibrary",
		libraryTarget: "umd"
	}
};

dist/MyLibrary.umd.js

(function webpackUniversalModuleDefinition(root, factory) {
	if(typeof exports === 'object' && typeof module === 'object')
		module.exports = factory();
	else if(typeof define === 'function' && define.amd)
		define([], factory);
	else if(typeof exports === 'object')
		exports["MyLibrary"] = factory();
	else
		root["MyLibrary"] = factory();
})(window, function() {
return /******/ (() => { // webpackBootstrap
/******/ 	"use strict";
/******/ 	var __webpack_modules__ = ([
/* 0 */
/*!********************!*\
  !*** ./example.js ***!
  \********************/
/*! export default [provided] [maybe used (runtime-defined)] [usage prevents renaming] */
/*! export increment [provided] [maybe used (runtime-defined)] [usage prevents renaming] */
/*! export value [provided] [maybe used (runtime-defined)] [usage prevents renaming] */
/*! other exports [not provided] [maybe used (runtime-defined)] */
/*! runtime requirements: __webpack_exports__, __webpack_require__.d, __webpack_require__.r, __webpack_require__.* */
/***/ ((__unused_webpack_module, __webpack_exports__, __webpack_require__) => {

__webpack_require__.r(__webpack_exports__);
/* harmony export */ __webpack_require__.d(__webpack_exports__, {
/* harmony export */   "value": () => /* binding */ value,
/* harmony export */   "increment": () => /* binding */ increment,
/* harmony export */   "default": () => __WEBPACK_DEFAULT_EXPORT__
/* harmony export */ });
var value = 0;
function increment() {
	value++;
}
/* harmony default export */ const __WEBPACK_DEFAULT_EXPORT__ = ("MyLibrary");


/***/ })
/******/ 	]);
/************************************************************************/
/******/ 	// The module cache
/******/ 	var __webpack_module_cache__ = {};
/******/ 	
/******/ 	// The require function
/******/ 	function __webpack_require__(moduleId) {
/******/ 		// Check if module is in cache
/******/ 		if(__webpack_module_cache__[moduleId]) {
/******/ 			return __webpack_module_cache__[moduleId].exports;
/******/ 		}
/******/ 		// Create a new module (and put it into the cache)
/******/ 		var module = __webpack_module_cache__[moduleId] = {
/******/ 			i: moduleId,
/******/ 			l: false,
/******/ 			exports: {}
/******/ 		};
/******/ 	
/******/ 		// Execute the module function
/******/ 		__webpack_modules__[moduleId](module, module.exports, __webpack_require__);
/******/ 	
/******/ 		// Flag the module as loaded
/******/ 		module.l = true;
/******/ 	
/******/ 		// Return the exports of the module
/******/ 		return module.exports;
/******/ 	}
/******/ 	
/************************************************************************/
/******/ 	/* webpack/runtime/define property getters */
/******/ 	!function() {
/******/ 		// define getter functions for harmony exports
/******/ 		var hasOwnProperty = Object.prototype.hasOwnProperty;
/******/ 		__webpack_require__.d = (exports, definition) => {
/******/ 			for(var key in definition) {
/******/ 				if(hasOwnProperty.call(definition, key) && !hasOwnProperty.call(exports, key)) {
/******/ 					Object.defineProperty(exports, key, { enumerable: true, get: definition[key] });
/******/ 				}
/******/ 			}
/******/ 		};
/******/ 	}();
/******/ 	
/******/ 	/* webpack/runtime/make namespace object */
/******/ 	!function() {
/******/ 		// define __esModule on exports
/******/ 		__webpack_require__.r = (exports) => {
/******/ 			if(typeof Symbol !== 'undefined' && Symbol.toStringTag) {
/******/ 				Object.defineProperty(exports, Symbol.toStringTag, { value: 'Module' });
/******/ 			}
/******/ 			Object.defineProperty(exports, '__esModule', { value: true });
/******/ 		};
/******/ 	}();
/******/ 	
/************************************************************************/
/******/ 	// module exports must be returned from runtime so entry inlining is disabled
/******/ 	// startup
/******/ 	// Load entry module and return exports
/******/ 	return __webpack_require__(0);
/******/ })()
;
});

Info

Unoptimized

Hash: 0a1b2c3d4e5f6a7b8c9d
Version: webpack 5.0.0-beta.6
           Asset      Size
MyLibrary.umd.js  3.83 KiB  [emitted]  [name: main]
Entrypoint main = MyLibrary.umd.js
chunk MyLibrary.umd.js (main) 92 bytes (javascript) 632 bytes (runtime) [entry] [rendered]
    > ./example main
 ./example.js 92 bytes [built]
     [exports: default, increment, value]
     entry ./example main
     used a library export
     + 2 hidden chunk modules

Production mode

Hash: 0a1b2c3d4e5f6a7b8c9d
Version: webpack 5.0.0-beta.6
           Asset       Size
MyLibrary.umd.js  840 bytes  [emitted]  [name: main]
Entrypoint main = MyLibrary.umd.js
chunk MyLibrary.umd.js (main) 92 bytes (javascript) 632 bytes (runtime) [entry] [rendered]
    > ./example main
 ./example.js 92 bytes [built]
     [exports: default, increment, value]
     entry ./example main
     used a library export
     + 2 hidden chunk modules