13 KiB
13 KiB
This example shows how to use Code Splitting with entrypoint dependOn
webpack.config.js
module.exports = {
entry: {
app: { import: "./app.js", dependOn: ["react-vendors"] },
"react-vendors": ["react", "react-dom", "prop-types"]
},
optimization: {
chunkIds: "named" // To keep filename consistent between different modes (for example building only)
},
stats: {
chunks: true,
chunkRelations: true
}
};
app.js
import react from "react";
import reactDOM from "react-dom";
import propTypes from "prop-types";
console.log(react, reactDOM, propTypes);
dist/app.js
(self["webpackChunk"] = self["webpackChunk"] || []).push([["app"],{
/***/ 3:
/*!****************!*\
!*** ./app.js ***!
\****************/
/*! namespace exports */
/*! exports [not provided] [no usage info] */
/*! runtime requirements: __webpack_require__, __webpack_require__.n, __webpack_require__.r, __webpack_exports__, __webpack_require__.* */
/***/ ((__unused_webpack_module, __webpack_exports__, __webpack_require__) => {
"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony import */ var react__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! react */ 0);
/* harmony import */ var react__WEBPACK_IMPORTED_MODULE_0___default = /*#__PURE__*/__webpack_require__.n(react__WEBPACK_IMPORTED_MODULE_0__);
/* harmony import */ var react_dom__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! react-dom */ 1);
/* harmony import */ var react_dom__WEBPACK_IMPORTED_MODULE_1___default = /*#__PURE__*/__webpack_require__.n(react_dom__WEBPACK_IMPORTED_MODULE_1__);
/* harmony import */ var prop_types__WEBPACK_IMPORTED_MODULE_2__ = __webpack_require__(/*! prop-types */ 2);
/* harmony import */ var prop_types__WEBPACK_IMPORTED_MODULE_2___default = /*#__PURE__*/__webpack_require__.n(prop_types__WEBPACK_IMPORTED_MODULE_2__);
console.log((react__WEBPACK_IMPORTED_MODULE_0___default()), (react_dom__WEBPACK_IMPORTED_MODULE_1___default()), (prop_types__WEBPACK_IMPORTED_MODULE_2___default()));
/***/ })
},
0,[[3,"react-vendors"]]]);
dist/react-vendors.js
/******/ (() => { // webpackBootstrap
/******/ var __webpack_modules__ = ([
/* 0 */
/*!*******************************!*\
!*** ./node_modules/react.js ***!
\*******************************/
/*! unknown exports (runtime-defined) */
/*! runtime requirements: module */
/*! CommonJS bailout: module.exports is used directly at 1:0-14 */
/***/ ((module) => {
module.exports = 'react';
/***/ }),
/* 1 */
/*!***********************************!*\
!*** ./node_modules/react-dom.js ***!
\***********************************/
/*! unknown exports (runtime-defined) */
/*! runtime requirements: module */
/*! CommonJS bailout: module.exports is used directly at 1:0-14 */
/***/ ((module) => {
module.exports = 'react-dom';
/***/ }),
/* 2 */
/*!************************************!*\
!*** ./node_modules/prop-types.js ***!
\************************************/
/*! unknown exports (runtime-defined) */
/*! runtime requirements: module */
/*! CommonJS bailout: module.exports is used directly at 1:0-14 */
/***/ ((module) => {
module.exports = 'prop-types';
/***/ })
/******/ ]);
/* webpack runtime code */
/************************************************************************/
/******/ // 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] = {
/******/ // no module.id needed
/******/ // no module.loaded needed
/******/ exports: {}
/******/ };
/******/
/******/ // Execute the module function
/******/ __webpack_modules__[moduleId](module, module.exports, __webpack_require__);
/******/
/******/ // Return the exports of the module
/******/ return module.exports;
/******/ }
/******/
/******/ // expose the modules object (__webpack_modules__)
/******/ __webpack_require__.m = __webpack_modules__;
/******/
/************************************************************************/
/******/ /* webpack/runtime/compat get default export */
/******/ (() => {
/******/ // getDefaultExport function for compatibility with non-harmony modules
/******/ __webpack_require__.n = (module) => {
/******/ var getter = module && module.__esModule ?
/******/ () => module['default'] :
/******/ () => module;
/******/ __webpack_require__.d(getter, { a: getter });
/******/ return getter;
/******/ };
/******/ })();
/******/
/******/ /* webpack/runtime/define property getters */
/******/ (() => {
/******/ // define getter functions for harmony exports
/******/ __webpack_require__.d = (exports, definition) => {
/******/ for(var key in definition) {
/******/ if(__webpack_require__.o(definition, key) && !__webpack_require__.o(exports, key)) {
/******/ Object.defineProperty(exports, key, { enumerable: true, get: definition[key] });
/******/ }
/******/ }
/******/ };
/******/ })();
/******/
/******/ /* webpack/runtime/hasOwnProperty shorthand */
/******/ (() => {
/******/ __webpack_require__.o = (obj, prop) => Object.prototype.hasOwnProperty.call(obj, prop)
/******/ })();
/******/
/******/ /* webpack/runtime/make namespace object */
/******/ (() => {
/******/ // 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 });
/******/ };
/******/ })();
/******/
/******/ /* webpack/runtime/jsonp chunk loading */
/******/ (() => {
/******/ // no baseURI
/******/
/******/ // object to store loaded and loading chunks
/******/ // undefined = chunk not loaded, null = chunk preloaded/prefetched
/******/ // Promise = chunk loading, 0 = chunk loaded
/******/ var installedChunks = {
/******/ "react-vendors": 0
/******/ };
/******/
/******/ var deferredModules = [
/******/ [0],
/******/ [1],
/******/ [2]
/******/ ];
/******/ // no chunk on demand loading
/******/
/******/ // no prefetching
/******/
/******/ // no preloaded
/******/
/******/ // no HMR
/******/
/******/ // no HMR manifest
/******/
/******/ var checkDeferredModules = () => {
/******/
/******/ };
/******/ function checkDeferredModulesImpl() {
/******/ 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;
/******/ }
/******/ if(fulfilled) {
/******/ deferredModules.splice(i--, 1);
/******/ result = __webpack_require__(__webpack_require__.s = deferredModule[0]);
/******/ }
/******/ }
/******/ if(deferredModules.length === 0) {
/******/ __webpack_require__.x();
/******/ __webpack_require__.x = () => {
/******/
/******/ }
/******/ }
/******/ return result;
/******/ }
/******/ __webpack_require__.x = () => {
/******/ // reset startup function so it can be called again when more startup code is added
/******/ __webpack_require__.x = () => {
/******/
/******/ }
/******/ chunkLoadingGlobal = chunkLoadingGlobal.slice();
/******/ for(var i = 0; i < chunkLoadingGlobal.length; i++) webpackJsonpCallback(chunkLoadingGlobal[i]);
/******/ return (checkDeferredModules = checkDeferredModulesImpl)();
/******/ };
/******/
/******/ // install a JSONP callback for chunk loading
/******/ var webpackJsonpCallback = (data) => {
/******/ var [chunkIds, moreModules, runtime, executeModules] = data;
/******/ // 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(__webpack_require__.o(installedChunks, chunkId) && installedChunks[chunkId]) {
/******/ resolves.push(installedChunks[chunkId][0]);
/******/ }
/******/ installedChunks[chunkId] = 0;
/******/ }
/******/ for(moduleId in moreModules) {
/******/ if(__webpack_require__.o(moreModules, moduleId)) {
/******/ __webpack_require__.m[moduleId] = moreModules[moduleId];
/******/ }
/******/ }
/******/ if(runtime) runtime(__webpack_require__);
/******/ parentChunkLoadingFunction(data);
/******/ while(resolves.length) {
/******/ resolves.shift()();
/******/ }
/******/
/******/ // add entry modules from loaded chunk to deferred list
/******/ if(executeModules) deferredModules.push.apply(deferredModules, executeModules);
/******/
/******/ // run deferred modules when all chunks ready
/******/ return checkDeferredModules();
/******/ }
/******/
/******/ var chunkLoadingGlobal = self["webpackChunk"] = self["webpackChunk"] || [];
/******/ var parentChunkLoadingFunction = chunkLoadingGlobal.push.bind(chunkLoadingGlobal);
/******/ chunkLoadingGlobal.push = webpackJsonpCallback;
/******/ })();
/******/
/************************************************************************/
/******/ // run startup
/******/ return __webpack_require__.x();
/******/ })()
;
Info
Unoptimized
asset react-vendors.js 7.48 KiB [emitted] (name: react-vendors)
asset app.js 1.43 KiB [emitted] (name: app)
chunk app.js (app) 139 bytes <{react-vendors}> [initial] [rendered]
> ./app.js app
./app.js 139 bytes [built] [code generated]
[no exports]
[used exports unknown]
entry ./app.js app
chunk react-vendors.js (react-vendors) 87 bytes (javascript) 3.42 KiB (runtime) >{app}< [entry] [rendered]
> prop-types react-vendors
> react react-vendors
> react-dom react-vendors
runtime modules 3.42 KiB 5 modules
cacheable modules 87 bytes
./node_modules/prop-types.js 31 bytes [built] [code generated]
[used exports unknown]
harmony side effect evaluation prop-types ./app.js 3:0-35
harmony import specifier prop-types ./app.js 5:29-38
cjs self exports reference ./node_modules/prop-types.js 1:0-14
entry prop-types react-vendors
./node_modules/react-dom.js 30 bytes [built] [code generated]
[used exports unknown]
harmony side effect evaluation react-dom ./app.js 2:0-33
harmony import specifier react-dom ./app.js 5:19-27
cjs self exports reference ./node_modules/react-dom.js 1:0-14
entry react-dom react-vendors
./node_modules/react.js 26 bytes [built] [code generated]
[used exports unknown]
harmony side effect evaluation react ./app.js 1:0-26
harmony import specifier react ./app.js 5:12-17
cjs self exports reference ./node_modules/react.js 1:0-14
entry react react-vendors
webpack 5.0.0-beta.32 compiled successfully
Production mode
asset react-vendors.js 1.04 KiB [emitted] [minimized] (name: react-vendors)
asset app.js 195 bytes [emitted] [minimized] (name: app)
chunk (runtime: react-vendors) app.js (app) 139 bytes <{react-vendors}> [initial] [rendered]
> ./app.js app
./app.js 139 bytes [built] [code generated]
[no exports]
[no exports used]
entry ./app.js app
chunk (runtime: react-vendors) react-vendors.js (react-vendors) 87 bytes (javascript) 3.16 KiB (runtime) >{app}< [entry] [rendered]
> prop-types react-vendors
> react react-vendors
> react-dom react-vendors
runtime modules 3.16 KiB 4 modules
cacheable modules 87 bytes
./node_modules/prop-types.js 31 bytes [built] [code generated]
[used exports unknown]
harmony side effect evaluation prop-types ./app.js 3:0-35
harmony import specifier prop-types ./app.js 5:29-38
cjs self exports reference ./node_modules/prop-types.js 1:0-14
entry prop-types react-vendors
./node_modules/react-dom.js 30 bytes [built] [code generated]
[used exports unknown]
harmony side effect evaluation react-dom ./app.js 2:0-33
harmony import specifier react-dom ./app.js 5:19-27
cjs self exports reference ./node_modules/react-dom.js 1:0-14
entry react-dom react-vendors
./node_modules/react.js 26 bytes [built] [code generated]
[used exports unknown]
harmony side effect evaluation react ./app.js 1:0-26
harmony import specifier react ./app.js 5:12-17
cjs self exports reference ./node_modules/react.js 1:0-14
entry react react-vendors
webpack 5.0.0-beta.32 compiled successfully