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webpack/examples/multi-compiler/README.md

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example.js

if(ENV === "mobile") {
	require("./mobile-stuff");
}
console.log("Running " + ENV + " build");

webpack.config.js

var path = require("path");
var webpack = require("../../");
module.exports = [
	{
		name: "mobile",
		entry: "./example",
		output: {
			path: path.join(__dirname, "js"),
			filename: "mobile.js"
		},
		plugins: [
			new webpack.DefinePlugin({
				ENV: JSON.stringify("mobile")
			})
		]
	},
	{
		name: "desktop",
		entry: "./example",
		output: {
			path: path.join(__dirname, "js"),
			filename: "desktop.js"
		},
		plugins: [
			new webpack.DefinePlugin({
				ENV: JSON.stringify("desktop")
			})
		]
	}
];

js/desktop.js

`/******/ (function(modules) { /* webpackBootstrap */ })` ``` javascript /******/ (function(modules) { // webpackBootstrap /******/ // The module cache /******/ var installedModules = {};

// // 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; /******/ }

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

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

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

// // define getter function for harmory exports // webpack_require.d = function(exports, name, getter) { // 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/";

// // Load entry module and return exports // return webpack_require(webpack_require.s = 0); // }) /****************/ // ([ / 0 / / unknown exports provided / / all exports used / /!!
! ./example.js ! */ // function(module, exports, webpack_require) {

if(false) { require("./mobile-stuff"); } console.log("Running " + "desktop" + " build");

// } /***/ ]);


# js/mobile.js

``` javascript
/******/ (function(modules) { // webpackBootstrap
/******/ 	// The module cache
/******/ 	var installedModules = {};

/******/ 	// 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;
/******/ 	}


/******/ 	// expose the modules object (__webpack_modules__)
/******/ 	__webpack_require__.m = modules;

/******/ 	// expose the module cache
/******/ 	__webpack_require__.c = installedModules;

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

/******/ 	// define getter function for harmory exports
/******/ 	__webpack_require__.d = function(exports, name, getter) {
/******/ 		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/";

/******/ 	// Load entry module and return exports
/******/ 	return __webpack_require__(__webpack_require__.s = 1);
/******/ })
/************************************************************************/
``` javascript /******/ ([ /* 0 */ /* unknown exports provided */ /* all exports used */ /*!*************************!*\ !*** ./mobile-stuff.js ***! \*************************/ /***/ function(module, exports) {

// mobile only stuff

// }, / 1 / / unknown exports provided / / all exports used / /!****************!
! ./example.js ! **************/ // function(module, exports, webpack_require) {

if(true) { webpack_require(/*! ./mobile-stuff */ 0); } console.log("Running " + "mobile" + " build");

// } /***/ ]);


# Info

## Uncompressed

Hash: 4b2d49e03773278d9a9728f5d936e54472e7499c Version: webpack 2.1.0-beta.25 Child mobile: Hash: 4b2d49e03773278d9a97 Version: webpack 2.1.0-beta.25 Time: 116ms Asset Size Chunks Chunk Names mobile.js 2.92 kB 0 [emitted] main Entrypoint main = mobile.js chunk {0} mobile.js (main) 114 bytes [entry] [rendered] > main [1] ./example.js [0] ./mobile-stuff.js 20 bytes {0} [built] cjs require ./mobile-stuff [1] ./example.js 2:1-26 [1] ./example.js 94 bytes {0} [built] Child desktop: Hash: 28f5d936e54472e7499c Version: webpack 2.1.0-beta.25 Time: 98ms Asset Size Chunks Chunk Names desktop.js 2.68 kB 0 [emitted] main Entrypoint main = desktop.js chunk {0} desktop.js (main) 94 bytes [entry] [rendered] > main [0] ./example.js [0] ./example.js 94 bytes {0} [built]


## Minimized (uglify-js, no zip)

Hash: 4b2d49e03773278d9a9728f5d936e54472e7499c Version: webpack 2.1.0-beta.25 Child mobile: Hash: 4b2d49e03773278d9a97 Version: webpack 2.1.0-beta.25 Time: 228ms Asset Size Chunks Chunk Names mobile.js 563 bytes 0 [emitted] main Entrypoint main = mobile.js chunk {0} mobile.js (main) 114 bytes [entry] [rendered] > main [1] ./example.js [0] ./mobile-stuff.js 20 bytes {0} [built] cjs require ./mobile-stuff [1] ./example.js 2:1-26 [1] ./example.js 94 bytes {0} [built] Child desktop: Hash: 28f5d936e54472e7499c Version: webpack 2.1.0-beta.25 Time: 211ms Asset Size Chunks Chunk Names desktop.js 543 bytes 0 [emitted] main Entrypoint main = desktop.js chunk {0} desktop.js (main) 94 bytes [entry] [rendered] > main [0] ./example.js [0] ./example.js 94 bytes {0} [built]