|
|
||
|---|---|---|
| .. | ||
| node_modules | ||
| README.md | ||
| build.js | ||
| pageA.js | ||
| pageB.js | ||
| pageC.js | ||
| template.md | ||
| utility1.js | ||
| utility2.js | ||
| utility3.js | ||
| webpack.config.js | ||
README.md
This example shows how to create an explicit vendor chunk as well as a common chunk for code shared among entry points. In this example, we have 3 entry points: pageA, pageB, and pageC. Those entry points share some of the same utility modules, but not others. This configuration will pull out any modules common to at least 2 bundles and place it in the common bundle instead, all while keeping the specified vendor libraries in their own bundle by themselves.
To better understand, here are the entry points and which utility modules they depend on:
pageAutility1utility2
pageButility2utility3
pageCutility2utility3
Given this configuration, webpack will produce the following bundles:
vendor- webpack runtime
vendor1vendor2
commonutility2utility3
pageApageAutility1
pageBpageB
pageCpageC
With this bundle configuration, you would load your third party libraries, then your common application code, then your page-specific application code.
webpack.config.js
var path = require("path");
module.exports = {
// mode: "development" || "production",
entry: {
pageA: "./pageA",
pageB: "./pageB",
pageC: "./pageC"
},
optimization: {
splitChunks: {
cacheGroups: {
commons: {
chunks: "initial",
minChunks: 2,
maxInitialRequests: 5, // The default limit is too small to showcase the effect
minSize: 0 // This is example is too small to create commons chunks
},
vendor: {
test: /node_modules/,
chunks: "initial",
name: "vendor",
priority: 10,
enforce: true
}
}
}
},
output: {
path: path.join(__dirname, "dist"),
filename: "[name].js"
}
};
dist/vendor.js
(window["webpackJsonp"] = window["webpackJsonp"] || []).push([[1],{
/***/ 1:
/*!*********************************!*\
!*** ./node_modules/vendor1.js ***!
\*********************************/
/*! no static exports found */
/***/ (function(module, exports) {
module.exports = "vendor1";
/***/ }),
/***/ 5:
/*!*********************************!*\
!*** ./node_modules/vendor2.js ***!
\*********************************/
/*! no static exports found */
/***/ (function(module, exports) {
module.exports = "vendor2";
/***/ })
}]);
dist/commons~pageA~pageB~pageC.js
(window["webpackJsonp"] = window["webpackJsonp"] || []).push([[2],{
/***/ 3:
/*!*********************!*\
!*** ./utility2.js ***!
\*********************/
/*! no static exports found */
/***/ (function(module, exports) {
module.exports = "utility2";
/***/ })
}]);
dist/commons~pageB~pageC.js
(window["webpackJsonp"] = window["webpackJsonp"] || []).push([[4],{
/***/ 6:
/*!*********************!*\
!*** ./utility3.js ***!
\*********************/
/*! no static exports found */
/***/ (function(module, exports) {
module.exports = "utility3";
/***/ })
}]);
dist/pageA.js
/******/ (function(modules) { /* webpackBootstrap */ })
/******/ (function(modules) { // webpackBootstrap
/******/ // install a JSONP callback for chunk loading
/******/ function webpackJsonpCallback(data) {
/******/ var chunkIds = data[0];
/******/ var moreModules = data[1];
/******/ var executeModules = data[2];
/******/
/******/ // add "moreModules" to the modules object,
/******/ // then flag all "chunkIds" as loaded and fire callback
/******/ var moduleId, chunkId, i = 0, resolves = [];
/******/ for(;i < chunkIds.length; i++) {
/******/ chunkId = chunkIds[i];
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/******/ deferredModules.push.apply(deferredModules, executeModules || []);
/******/
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/******/ l: false,
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/******/ };
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/******/ __webpack_require__.p = "dist/";
/******/
/******/ var jsonpArray = window["webpackJsonp"] = window["webpackJsonp"] || [];
/******/ var oldJsonpFunction = jsonpArray.push.bind(jsonpArray);
/******/ jsonpArray.push = webpackJsonpCallback;
/******/ jsonpArray = jsonpArray.slice();
/******/ for(var i = 0; i < jsonpArray.length; i++) webpackJsonpCallback(jsonpArray[i]);
/******/ var parentJsonpFunction = oldJsonpFunction;
/******/
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/******/ // add entry module to deferred list
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/******/ return checkDeferredModules();
/******/ })
/************************************************************************/
/******/ ([
/* 0 */
/*!******************!*\
!*** ./pageA.js ***!
\******************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {
var vendor1 = __webpack_require__(/*! vendor1 */ 1);
var utility1 = __webpack_require__(/*! ./utility1 */ 2);
var utility2 = __webpack_require__(/*! ./utility2 */ 3);
module.exports = "pageA";
/***/ }),
/* 1 */,
/* 2 */
/*!*********************!*\
!*** ./utility1.js ***!
\*********************/
/*! no static exports found */
/***/ (function(module, exports) {
module.exports = "utility1";
/***/ })
/******/ ]);
dist/pageB.js
/******/ (function(modules) { // webpackBootstrap
/******/ // install a JSONP callback for chunk loading
/******/ function webpackJsonpCallback(data) {
/******/ var chunkIds = data[0];
/******/ var moreModules = data[1];
/******/ var executeModules = data[2];
/******/
/******/ // add "moreModules" to the modules object,
/******/ // then flag all "chunkIds" as loaded and fire callback
/******/ var moduleId, chunkId, i = 0, resolves = [];
/******/ for(;i < chunkIds.length; i++) {
/******/ chunkId = chunkIds[i];
/******/ if(installedChunks[chunkId]) {
/******/ resolves.push(installedChunks[chunkId][0]);
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/******/ installedChunks[chunkId] = 0;
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/******/ modules[moduleId] = moreModules[moduleId];
/******/ }
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/******/
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/******/ deferredModules.push.apply(deferredModules, executeModules || []);
/******/
/******/ // run deferred modules when all chunks ready
/******/ return checkDeferredModules();
/******/ };
/******/ function checkDeferredModules() {
/******/ var result;
/******/ for(var i = 0; i < deferredModules.length; i++) {
/******/ var deferredModule = deferredModules[i];
/******/ var fulfilled = true;
/******/ for(var j = 1; j < deferredModule.length; j++) {
/******/ var depId = deferredModule[j];
/******/ if(installedChunks[depId] !== 0) fulfilled = false;
/******/ }
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/******/ deferredModules.splice(i--, 1);
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/******/ return result;
/******/ }
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/******/ var installedModules = {};
/******/
/******/ // object to store loaded and loading chunks
/******/ // undefined = chunk not loaded, null = chunk preloaded/prefetched
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/******/ __webpack_require__.p = "dist/";
/******/
/******/ var jsonpArray = window["webpackJsonp"] = window["webpackJsonp"] || [];
/******/ var oldJsonpFunction = jsonpArray.push.bind(jsonpArray);
/******/ jsonpArray.push = webpackJsonpCallback;
/******/ jsonpArray = jsonpArray.slice();
/******/ for(var i = 0; i < jsonpArray.length; i++) webpackJsonpCallback(jsonpArray[i]);
/******/ var parentJsonpFunction = oldJsonpFunction;
/******/
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/******/ // add entry module to deferred list
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/******/ ({
/***/ 4:
/*!******************!*\
!*** ./pageB.js ***!
\******************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {
var vendor2 = __webpack_require__(/*! vendor2 */ 5);
var utility2 = __webpack_require__(/*! ./utility2 */ 3);
var utility3 = __webpack_require__(/*! ./utility3 */ 6);
module.exports = "pageB";
/***/ })
/******/ });
dist/pageC.js
/******/ (function(modules) { // webpackBootstrap
/******/ // install a JSONP callback for chunk loading
/******/ function webpackJsonpCallback(data) {
/******/ var chunkIds = data[0];
/******/ var moreModules = data[1];
/******/ var executeModules = data[2];
/******/
/******/ // add "moreModules" to the modules object,
/******/ // then flag all "chunkIds" as loaded and fire callback
/******/ var moduleId, chunkId, i = 0, resolves = [];
/******/ for(;i < chunkIds.length; i++) {
/******/ chunkId = chunkIds[i];
/******/ if(installedChunks[chunkId]) {
/******/ resolves.push(installedChunks[chunkId][0]);
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/******/ installedChunks[chunkId] = 0;
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/******/ modules[moduleId] = moreModules[moduleId];
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/******/
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/******/ deferredModules.push.apply(deferredModules, executeModules || []);
/******/
/******/ // run deferred modules when all chunks ready
/******/ return checkDeferredModules();
/******/ };
/******/ function checkDeferredModules() {
/******/ var result;
/******/ for(var i = 0; i < deferredModules.length; i++) {
/******/ var deferredModule = deferredModules[i];
/******/ var fulfilled = true;
/******/ for(var j = 1; j < deferredModule.length; j++) {
/******/ var depId = deferredModule[j];
/******/ if(installedChunks[depId] !== 0) fulfilled = false;
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/******/
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/******/ jsonpArray = jsonpArray.slice();
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/************************************************************************/
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/***/ 7:
/*!******************!*\
!*** ./pageC.js ***!
\******************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {
var utility2 = __webpack_require__(/*! ./utility2 */ 3);
var utility3 = __webpack_require__(/*! ./utility3 */ 6);
module.exports = "pageC";
/***/ })
/******/ });
Info
Unoptimized
Hash: 0a1b2c3d4e5f6a7b8c9d
Version: webpack 4.20.1
Asset Size Chunks Chunk Names
pageA.js 6.7 KiB 0 [emitted] pageA
vendor.js 536 bytes 1 [emitted] vendor
commons~pageA~pageB~pageC.js 269 bytes 2 [emitted] commons~pageA~pageB~pageC
pageB.js 6.5 KiB 3 [emitted] pageB
commons~pageB~pageC.js 269 bytes 4 [emitted] commons~pageB~pageC
pageC.js 6.45 KiB 5 [emitted] pageC
Entrypoint pageA = vendor.js commons~pageA~pageB~pageC.js pageA.js
Entrypoint pageB = vendor.js commons~pageA~pageB~pageC.js commons~pageB~pageC.js pageB.js
Entrypoint pageC = commons~pageA~pageB~pageC.js commons~pageB~pageC.js pageC.js
chunk {0} pageA.js (pageA) 165 bytes ={1}= ={2}= [entry] [rendered]
> ./pageA pageA
[0] ./pageA.js 137 bytes {0} [built]
single entry ./pageA pageA
[2] ./utility1.js 28 bytes {0} [built]
cjs require ./utility1 [0] ./pageA.js 2:15-36
chunk {1} vendor.js (vendor) 54 bytes ={0}= ={2}= ={3}= ={4}= [initial] [rendered] split chunk (cache group: vendor) (name: vendor)
> ./pageA pageA
> ./pageB pageB
2 modules
chunk {2} commons~pageA~pageB~pageC.js (commons~pageA~pageB~pageC) 28 bytes ={0}= ={1}= ={3}= ={4}= ={5}= [initial] [rendered] split chunk (cache group: commons) (name: commons~pageA~pageB~pageC)
> ./pageA pageA
> ./pageB pageB
> ./pageC pageC
[3] ./utility2.js 28 bytes {2} [built]
cjs require ./utility2 [0] ./pageA.js 3:15-36
cjs require ./utility2 [4] ./pageB.js 2:15-36
cjs require ./utility2 [7] ./pageC.js 1:15-36
chunk {3} pageB.js (pageB) 137 bytes ={1}= ={2}= ={4}= [entry] [rendered]
> ./pageB pageB
[4] ./pageB.js 137 bytes {3} [built]
single entry ./pageB pageB
chunk {4} commons~pageB~pageC.js (commons~pageB~pageC) 28 bytes ={1}= ={2}= ={3}= ={5}= [initial] [rendered] split chunk (cache group: commons) (name: commons~pageB~pageC)
> ./pageB pageB
> ./pageC pageC
[6] ./utility3.js 28 bytes {4} [built]
cjs require ./utility3 [4] ./pageB.js 3:15-36
cjs require ./utility3 [7] ./pageC.js 2:15-36
chunk {5} pageC.js (pageC) 102 bytes ={2}= ={4}= [entry] [rendered]
> ./pageC pageC
[7] ./pageC.js 102 bytes {5} [built]
single entry ./pageC pageC
Production mode
Hash: 0a1b2c3d4e5f6a7b8c9d
Version: webpack 4.20.1
Asset Size Chunks Chunk Names
commons~pageA~pageB~pageC.js 96 bytes 0 [emitted] commons~pageA~pageB~pageC
vendor.js 134 bytes 1 [emitted] vendor
commons~pageB~pageC.js 97 bytes 2 [emitted] commons~pageB~pageC
pageA.js 1.52 KiB 3 [emitted] pageA
pageB.js 1.49 KiB 4 [emitted] pageB
pageC.js 1.48 KiB 5 [emitted] pageC
Entrypoint pageA = vendor.js commons~pageA~pageB~pageC.js pageA.js
Entrypoint pageB = vendor.js commons~pageA~pageB~pageC.js commons~pageB~pageC.js pageB.js
Entrypoint pageC = commons~pageA~pageB~pageC.js commons~pageB~pageC.js pageC.js
chunk {0} commons~pageA~pageB~pageC.js (commons~pageA~pageB~pageC) 28 bytes ={1}= ={2}= ={3}= ={4}= ={5}= [initial] [rendered] split chunk (cache group: commons) (name: commons~pageA~pageB~pageC)
> ./pageA pageA
> ./pageB pageB
> ./pageC pageC
[0] ./utility2.js 28 bytes {0} [built]
cjs require ./utility2 [2] ./pageA.js 3:15-36
cjs require ./utility2 [5] ./pageB.js 2:15-36
cjs require ./utility2 [7] ./pageC.js 1:15-36
chunk {1} vendor.js (vendor) 54 bytes ={0}= ={2}= ={3}= ={4}= [initial] [rendered] split chunk (cache group: vendor) (name: vendor)
> ./pageA pageA
> ./pageB pageB
2 modules
chunk {2} commons~pageB~pageC.js (commons~pageB~pageC) 28 bytes ={0}= ={1}= ={4}= ={5}= [initial] [rendered] split chunk (cache group: commons) (name: commons~pageB~pageC)
> ./pageB pageB
> ./pageC pageC
[1] ./utility3.js 28 bytes {2} [built]
cjs require ./utility3 [5] ./pageB.js 3:15-36
cjs require ./utility3 [7] ./pageC.js 2:15-36
chunk {3} pageA.js (pageA) 165 bytes ={0}= ={1}= [entry] [rendered]
> ./pageA pageA
[2] ./pageA.js 137 bytes {3} [built]
single entry ./pageA pageA
[4] ./utility1.js 28 bytes {3} [built]
cjs require ./utility1 [2] ./pageA.js 2:15-36
chunk {4} pageB.js (pageB) 137 bytes ={0}= ={1}= ={2}= [entry] [rendered]
> ./pageB pageB
[5] ./pageB.js 137 bytes {4} [built]
single entry ./pageB pageB
chunk {5} pageC.js (pageC) 102 bytes ={0}= ={2}= [entry] [rendered]
> ./pageC pageC
[7] ./pageC.js 102 bytes {5} [built]
single entry ./pageC pageC