webpack/examples/extra-async-chunk-advanced

example.js

require(["./a", "./b", "./c"], function(a, b, c) {});

require.ensure(["./a"], function(require) {
	require("./b");
	require("./d");
});

require.ensure(["./a", "./e"], function(require) {
	require("./a");
	require.ensure(["./b"], function(require) {
		require("./f");
	});
	require.ensure(["./b"], function(require) {
		require("./g");
	});
});

webpack.config.js

var path = require("path");
var CommonsChunkPlugin = require("../../lib/optimize/CommonsChunkPlugin");
module.exports = {
	plugins: [
		new CommonsChunkPlugin({
			name: "main",
			async: "async1"
		}),
		new CommonsChunkPlugin({
			name: "main",
			async: "async2",
			minChunks: 2
		}),
		new CommonsChunkPlugin({
			async: true
		}),
	]
}

js/output.js

`/******/ (function(modules) { /* webpackBootstrap */ })`

``` javascript /******/ (function(modules) { // webpackBootstrap /******/ // install a JSONP callback for chunk loading /******/ var parentJsonpFunction = window["webpackJsonp"]; /******/ window["webpackJsonp"] = function webpackJsonpCallback(chunkIds, moreModules, executeModules) { /******/ // add "moreModules" to the modules object, /******/ // then flag all "chunkIds" as loaded and fire callback /******/ var moduleId, chunkId, i = 0, resolves = [], result; /******/ for(;i < chunkIds.length; i++) { /******/ chunkId = chunkIds[i]; /******/ if(installedChunks[chunkId]) /******/ resolves.push(installedChunks[chunkId][0]); /******/ installedChunks[chunkId] = 0; /******/ } /******/ for(moduleId in moreModules) { /******/ if(Object.prototype.hasOwnProperty.call(moreModules, moduleId)) { /******/ modules[moduleId] = moreModules[moduleId]; /******/ } /******/ } /******/ if(parentJsonpFunction) parentJsonpFunction(chunkIds, moreModules, executeModules); /******/ while(resolves.length) /******/ resolves.shift()();

/******/ };

// // The module cache // var installedModules = {};

// // objects to store loaded and loading chunks // var installedChunks = { // 7: 0 // };

// // The require function // function webpack_require(moduleId) {

// // Check if module is in cache // if(installedModules[moduleId]) /******/ return installedModules[moduleId].exports;

// // Create a new module (and put it into the cache) // var module = installedModules[moduleId] = { // i: moduleId, // l: false, // exports: {} // };

// // Execute the module function // modules[moduleId].call(module.exports, module, module.exports, webpack_require);

// // Flag the module as loaded // module.l = true;

// // Return the exports of the module // return module.exports; /******/ }

// // This file contains only the entry chunk. // // The chunk loading function for additional chunks // webpack_require.e = function requireEnsure(chunkId) { // if(installedChunks[chunkId] === 0) /******/ return Promise.resolve();

// // an Promise means "currently loading". // if(installedChunks[chunkId]) { // return installedChunks[chunkId][2]; // } // // start chunk loading // var head = document.getElementsByTagName('head')[0]; // var script = document.createElement('script'); // script.type = 'text/javascript'; // script.charset = 'utf-8'; // script.async = true; /******/ script.timeout = 120000;

// if (webpack_require.nc) { // script.setAttribute("nonce", webpack_require.nc); // } // script.src = webpack_require.p + "" + chunkId + ".output.js"; // var timeout = setTimeout(onScriptComplete, 120000); // script.onerror = script.onload = onScriptComplete; // function onScriptComplete() { // // avoid mem leaks in IE. // script.onerror = script.onload = null; // clearTimeout(timeout); // var chunk = installedChunks[chunkId]; // if(chunk !== 0) { // if(chunk) chunk[1](new Error('Loading chunk ' + chunkId + ' failed.')); // installedChunks[chunkId] = undefined; // } // };

// var promise = new Promise(function(resolve, reject) { // installedChunks[chunkId] = [resolve, reject]; // }); // installedChunks[chunkId][2] = promise;

// head.appendChild(script); // return promise; /******/ };

// // expose the modules object (webpack_modules) // webpack_require.m = modules;

// // expose the module cache // webpack_require.c = installedModules;

// // identity function for calling harmony imports with the correct context // webpack_require.i = function(value) { return value; };

// // define getter function for harmony exports // webpack_require.d = function(exports, name, getter) { // if(!webpack_require.o(exports, name)) { // Object.defineProperty(exports, name, { // configurable: false, // enumerable: true, // get: getter // }); // } // };

// // getDefaultExport function for compatibility with non-harmony modules // webpack_require.n = function(module) { // var getter = module && module.__esModule ? // function getDefault() { return module['default']; } : // function getModuleExports() { return module; }; // webpack_require.d(getter, 'a', getter); // return getter; // };

// // Object.prototype.hasOwnProperty.call // webpack_require.o = function(object, property) { return Object.prototype.hasOwnProperty.call(object, property); };

// // webpack_public_path // webpack_require.p = "js/";

// // on error function for async loading // webpack_require.oe = function(err) { console.error(err); throw err; };

// // Load entry module and return exports // return webpack_require(webpack_require.s = 7); // }) /******************************************************************/

</details>
``` javascript
/******/ ({

/***/ 7:
/* unknown exports provided */
/* all exports used */
/*!********************!*\
  !*** ./example.js ***!
  \********************/
/***/ function(module, exports, __webpack_require__) {

Promise.all/* require */([__webpack_require__.e(1), __webpack_require__.e(0), __webpack_require__.e(4)]).then(function() { var __WEBPACK_AMD_REQUIRE_ARRAY__ = [__webpack_require__(/*! ./a */ 0), __webpack_require__(/*! ./b */ 1), __webpack_require__(/*! ./c */ 2)]; (function(a, b, c) {}.apply(null, __WEBPACK_AMD_REQUIRE_ARRAY__));}).catch(__webpack_require__.oe);

Promise.all/* require.ensure */([__webpack_require__.e(1), __webpack_require__.e(0), __webpack_require__.e(3)]).then((function(require) {
	__webpack_require__(/*! ./b */ 1);
	__webpack_require__(/*! ./d */ 3);
}).bind(null, __webpack_require__)).catch(__webpack_require__.oe);

Promise.all/* require.ensure */([__webpack_require__.e(1), __webpack_require__.e(2)]).then((function(require) {
	__webpack_require__(/*! ./a */ 0);
	Promise.all/* require.ensure */([__webpack_require__.e(0), __webpack_require__.e(6)]).then((function(require) {
		__webpack_require__(/*! ./f */ 5);
	}).bind(null, __webpack_require__)).catch(__webpack_require__.oe);
	Promise.all/* require.ensure */([__webpack_require__.e(0), __webpack_require__.e(5)]).then((function(require) {
		__webpack_require__(/*! ./g */ 6);
	}).bind(null, __webpack_require__)).catch(__webpack_require__.oe);
}).bind(null, __webpack_require__)).catch(__webpack_require__.oe);


/***/ }

/******/ });

Info

Uncompressed

Hash: 632a15ef6fe4372394ce
Version: webpack 2.2.0-rc.2
      Asset       Size  Chunks             Chunk Names
0.output.js  218 bytes       0  [emitted]  async2
1.output.js  209 bytes       1  [emitted]  async1
2.output.js  212 bytes       2  [emitted]  
3.output.js  212 bytes       3  [emitted]  
4.output.js  212 bytes       4  [emitted]  
5.output.js  212 bytes       5  [emitted]  
6.output.js  212 bytes       6  [emitted]  
  output.js    6.98 kB       7  [emitted]  main
Entrypoint main = output.js
chunk    {0} 0.output.js (async2) 21 bytes {2} {7} [rendered]
    > async commons duplicate [7] ./example.js 1:0-52
    > async commons duplicate [7] ./example.js 3:0-6:2
    > async commons duplicate [7] ./example.js 10:1-12:3
    > async commons duplicate [7] ./example.js 13:1-15:3
    [1] ./b.js 21 bytes {0} [built]
        amd require ./b [7] ./example.js 1:0-52
        cjs require ./b [7] ./example.js 4:1-15
        require.ensure item ./b [7] ./example.js 10:1-12:3
        require.ensure item ./b [7] ./example.js 13:1-15:3
chunk    {1} 1.output.js (async1) 21 bytes {7} [rendered]
    > async commons [7] ./example.js 1:0-52
    > async commons [7] ./example.js 3:0-6:2
    > async commons [7] ./example.js 8:0-16:2
    [0] ./a.js 21 bytes {1} [built]
        amd require ./a [7] ./example.js 1:0-52
        require.ensure item ./a [7] ./example.js 3:0-6:2
        require.ensure item ./a [7] ./example.js 8:0-16:2
        cjs require ./a [7] ./example.js 9:1-15
chunk    {2} 2.output.js 21 bytes {7} [rendered]
    > [7] ./example.js 8:0-16:2
    [4] ./e.js 21 bytes {2} [built]
        require.ensure item ./e [7] ./example.js 8:0-16:2
chunk    {3} 3.output.js 21 bytes {7} [rendered]
    > [7] ./example.js 3:0-6:2
    [3] ./d.js 21 bytes {3} [built]
        cjs require ./d [7] ./example.js 5:1-15
chunk    {4} 4.output.js 21 bytes {7} [rendered]
    > [7] ./example.js 1:0-52
    [2] ./c.js 21 bytes {4} [built]
        amd require ./c [7] ./example.js 1:0-52
chunk    {5} 5.output.js 21 bytes {2} [rendered]
    > [7] ./example.js 13:1-15:3
    [6] ./g.js 21 bytes {5} [built]
        cjs require ./g [7] ./example.js 14:2-16
chunk    {6} 6.output.js 21 bytes {2} [rendered]
    > [7] ./example.js 10:1-12:3
    [5] ./f.js 21 bytes {6} [built]
        cjs require ./f [7] ./example.js 11:2-16
chunk    {7} output.js (main) 362 bytes [entry] [rendered]
    > main [7] ./example.js 
    [7] ./example.js 362 bytes {7} [built]

Minimized (uglify-js, no zip)

Hash: 632a15ef6fe4372394ce
Version: webpack 2.2.0-rc.2
      Asset      Size  Chunks             Chunk Names
0.output.js  50 bytes       0  [emitted]  async2
1.output.js  49 bytes       1  [emitted]  async1
2.output.js  51 bytes       2  [emitted]  
3.output.js  51 bytes       3  [emitted]  
4.output.js  51 bytes       4  [emitted]  
5.output.js  51 bytes       5  [emitted]  
6.output.js  51 bytes       6  [emitted]  
  output.js   1.81 kB       7  [emitted]  main
Entrypoint main = output.js
chunk    {0} 0.output.js (async2) 21 bytes {2} {7} [rendered]
    > async commons duplicate [7] ./example.js 1:0-52
    > async commons duplicate [7] ./example.js 3:0-6:2
    > async commons duplicate [7] ./example.js 10:1-12:3
    > async commons duplicate [7] ./example.js 13:1-15:3
    [1] ./b.js 21 bytes {0} [built]
        amd require ./b [7] ./example.js 1:0-52
        cjs require ./b [7] ./example.js 4:1-15
        require.ensure item ./b [7] ./example.js 10:1-12:3
        require.ensure item ./b [7] ./example.js 13:1-15:3
chunk    {1} 1.output.js (async1) 21 bytes {7} [rendered]
    > async commons [7] ./example.js 1:0-52
    > async commons [7] ./example.js 3:0-6:2
    > async commons [7] ./example.js 8:0-16:2
    [0] ./a.js 21 bytes {1} [built]
        amd require ./a [7] ./example.js 1:0-52
        require.ensure item ./a [7] ./example.js 3:0-6:2
        require.ensure item ./a [7] ./example.js 8:0-16:2
        cjs require ./a [7] ./example.js 9:1-15
chunk    {2} 2.output.js 21 bytes {7} [rendered]
    > [7] ./example.js 8:0-16:2
    [4] ./e.js 21 bytes {2} [built]
        require.ensure item ./e [7] ./example.js 8:0-16:2
chunk    {3} 3.output.js 21 bytes {7} [rendered]
    > [7] ./example.js 3:0-6:2
    [3] ./d.js 21 bytes {3} [built]
        cjs require ./d [7] ./example.js 5:1-15
chunk    {4} 4.output.js 21 bytes {7} [rendered]
    > [7] ./example.js 1:0-52
    [2] ./c.js 21 bytes {4} [built]
        amd require ./c [7] ./example.js 1:0-52
chunk    {5} 5.output.js 21 bytes {2} [rendered]
    > [7] ./example.js 13:1-15:3
    [6] ./g.js 21 bytes {5} [built]
        cjs require ./g [7] ./example.js 14:2-16
chunk    {6} 6.output.js 21 bytes {2} [rendered]
    > [7] ./example.js 10:1-12:3
    [5] ./f.js 21 bytes {6} [built]
        cjs require ./f [7] ./example.js 11:2-16
chunk    {7} output.js (main) 362 bytes [entry] [rendered]
    > main [7] ./example.js 
    [7] ./example.js 362 bytes {7} [built]