webpack/examples/harmony/README.md

13 KiB

example.js

import { increment as inc } from './increment';
var a = 1;
inc(a); // 2

// async loading
import("./async-loaded").then(function(asyncLoaded) {
	console.log(asyncLoaded);
});

increment.js

import { add } from './math';
export function increment(val) {
    return add(val, 1);
};

dist/output.js

/******/ (() => { // webpackBootstrap
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/******/ 	var __webpack_modules__ = ([
/* 0 */
/*!********************!*\
  !*** ./example.js ***!
  \********************/
/*! exports [not provided] [no usage info] */
/*! runtime requirements: __webpack_require__, __webpack_require__.r, __webpack_exports__, __webpack_require__.e, __webpack_require__.* */
/***/ ((__unused_webpack_module, __webpack_exports__, __webpack_require__) => {

__webpack_require__.r(__webpack_exports__);
/* harmony import */ var _increment__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! ./increment */ 1);

var a = 1;
(0,_increment__WEBPACK_IMPORTED_MODULE_0__.increment)(a); // 2

// async loading
__webpack_require__.e(/*! import() */ 35).then(__webpack_require__.bind(null, /*! ./async-loaded */ 3)).then(function(asyncLoaded) {
	console.log(asyncLoaded);
});


/***/ }),
/* 1 */
/*!**********************!*\
  !*** ./increment.js ***!
  \**********************/
/*! export increment [provided] [no usage info] [missing usage info prevents renaming] */
/*! other exports [not provided] [no usage info] */
/*! runtime requirements: __webpack_require__, __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 */   "increment": () => /* binding */ increment
/* harmony export */ });
/* harmony import */ var _math__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! ./math */ 2);

function increment(val) {
    return (0,_math__WEBPACK_IMPORTED_MODULE_0__.add)(val, 1);
};


/***/ }),
/* 2 */
/*!*****************!*\
  !*** ./math.js ***!
  \*****************/
/*! export add [provided] [no usage info] [missing usage info prevents renaming] */
/*! other exports [not provided] [no usage info] */
/*! 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 */   "add": () => /* binding */ add
/* harmony export */ });
function add() {
	var sum = 0, i = 0, args = arguments, l = args.length;
	while (i < l) {
		sum += args[i++];
	}
	return sum;
}


/***/ })
/******/ 	]);
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;

Info

Unoptimized

Hash: 0a1b2c3d4e5f6a7b8c9d
Version: webpack 5.0.0-beta.6
       Asset       Size
35.output.js  751 bytes  [emitted]
   output.js   10.9 KiB  [emitted]  [name: main]
Entrypoint main = output.js
chunk 35.output.js 24 bytes [rendered]
    > ./async-loaded ./example.js 6:0-24
 ./async-loaded.js 24 bytes [built]
     [exports: answer]
     [used exports unknown]
     import() ./async-loaded ./example.js 6:0-24
chunk output.js (main) 400 bytes (javascript) 4.85 KiB (runtime) [entry] [rendered]
    > ./example.js main
 ./example.js 175 bytes [built]
     [no exports]
     [used exports unknown]
     entry ./example.js main
 ./increment.js 90 bytes [built]
     [exports: increment]
     [used exports unknown]
     harmony side effect evaluation ./increment ./example.js 1:0-47
     harmony import specifier ./increment ./example.js 3:0-3
 ./math.js 135 bytes [built]
     [exports: add]
     [used exports unknown]
     harmony side effect evaluation ./math ./increment.js 1:0-29
     harmony import specifier ./math ./increment.js 3:11-14
     + 6 hidden chunk modules

Production mode

Hash: 0a1b2c3d4e5f6a7b8c9d
Version: webpack 5.0.0-beta.6
       Asset       Size
35.output.js  126 bytes  [emitted]
   output.js   1.87 KiB  [emitted]  [name: main]
Entrypoint main = output.js
chunk 35.output.js 24 bytes [rendered]
    > ./async-loaded ./example.js 6:0-24
 ./async-loaded.js 24 bytes [built]
     [exports: answer]
     import() ./async-loaded ./example.js + 2 modules ./example.js 6:0-24
chunk output.js (main) 400 bytes (javascript) 4.85 KiB (runtime) [entry] [rendered]
    > ./example.js main
 ./example.js + 2 modules 400 bytes [built]
     [no exports]
     [no exports used]
     entry ./example.js main
     + 6 hidden chunk modules