webpack exclude node_modules

This may be expected behavior and perhaps prod mode is different, but I haven't been able to locate any discussion of this (and the comment above disagrees). html-webpack-plugin – a plugin that simplifies creation of HTML files to serve your bundles; clean-webpack-plugin – a plugin to remove/clean your build folder; config/webpack.common.js. webpack is a module bundler. */ I have an entrypoint which is the background.js which has the electron stuff in it so no Frontend, just background stuff. webpack is a module bundler. The default value is true in webpack 4. module.rules [Rule] An array of Rules which are matched to requests when modules are created. We’ll occasionally send you account related emails. 1 view. I've added babel-loader and the necessary rules as specified on the package's repo README to my webpack config. var Fs = require('fs') var nodeModules = {} Fs.readdirSync('node_modules').forEach(function (module) {. However, my bundle.js is still showing 300KB+ in dev tools. privacy statement. Here's a Regex that I paste into VSCode's search box when searching through our /build folder: You'll need to turn on Regex search in VSCode for this to work. could you give me a demo in the github？ These rules can modify how the module is created. Its main purpose is to bundle JavaScript files for usage in a browser, yet it is also capable of transforming, bundling, or … I don't receive any errors when running locally, so I assume that the configuration is now correct. the regular expression is wrong.It can't match the package path in the node_modules. cefuroX October 23, 2020, 8:25am #1. I've gone back to the beginning of the documentation, and followed the steps in the Getting Started and Development: Using webpack-dev-server sections. Babel … I have a simple 10-line js example I'm trying to use with webpack. I am … When I run npm start per the instructions, and view the Network tab in browser dev tools, I again am seeing bundle.js sized ~317KB as described above. IgnorePlugin prevents generation of modules for import or require calls matching the regular expressions or filter functions:. @sokra Though maybe it comes down to different interpretations of "bundle," since actual build file output doesn't include this--it's only injected at runtime, making it seem even more like a dev-time convenience (hoping to confirm expected behavior). This is simply a short example with plain JS inserting a single DOM element, so I (obviously) don't need all the extra stuff. I don't know if it could be the fix but in lib/LoadersList.js: Could it be better to have something like: @ghigt, oh thanks, but i just use webpack-node-externals It's the . I'm using webpack 4 and I have installed a module with a lot of subfolders, the Configs in both projects exclude node_modules with a rule for babel-loader. as example // the build. module.loaders. }. exclude. The compromise we came up with was to modify the regex pattern we used to exclude the node_modules folder in our webpack/babel config so that it excluded everything in the node_modules folder except the folder containing the module that was not transpiled. To be clear, I have a simple js script that adds an element to the DOM, an index.html to reference the script, and am running webpack-dev-server locally. Directories are traveresed recursively looking for files matching options.extensions. Among the many front-end recruitment requirements,webpack、EngineeringThese words are becoming more and more frequent. Compile my project and have error two copies React. I can't figure out how to get a project configured for a simple developer workflow: use local assets in dev directory structure, pick up changes, package for dist when specified, with only my script(s) and have node_modules excluded. [webpack-cli] Compilation finished asset vendors-node_modules_lodash_lodash_js.bundle.js 549 KiB [compared for emit] (id hint: vendors) asset index.bundle.js 8.92 KiB [compared for emit] (name: index) asset another.bundle.js 8.8 KiB [compared for emit] (name: another) Entrypoint index 558 KiB = vendors-node_modules_lodash_lodash_js.bundle.js 549 KiB index.bundle.js … webpack.config.js. Successfully merging a pull request may close this issue. Maybe like so: import { existsSync } from 'fs'; let fs = require("fs"); The solution. // On Windows, mPath use backslashes for folder separators. How can I get rid of this stuff? However, I read this config from my package.json, so it's not duplicated. I think this may be in fact the default behavior, unless I'm misinterpreting the docs (or the docs aren't current). files. I haven't been able to find anything. then run npm link The text was updated successfully, but these errors were encountered: Use webpack --json > analysis.json and run the JSON file through https://webpack.github.io/analyse/ to see which modules are being included. Webpack certainly doesn't bundle everything from node_modules by default. Don't use exclude. I'm wondering if this is the intended behavior (regardless of my setting specified above, which may only affect production output if this were true). @akx Thanks for responding and sharing that option. ｝ * icon to the right of the search box. IgnorePlugin ({resourceRegExp, contextRegExp}); // old way, deprecated in webpack v5 new webpack. Already on GitHub? */, Building on @nowells suggestion above and incorporating the comment from @lxjwlt about Windows paths being different, I decided to make a function to build the necessary regexps automatically with the correct path separator: Usage is to put the above function in your preamble, and then call it to generate the "exclude" value, e.g. Must be relative to options.context. I assume this is because node_modules is being included, correct? This library creates an externals function that ignores node_modules when bundling in Webpack. function excludeNodeModulesExcept (modules) { var pathSep = path.sep; if (pathSep == '\\') // must be quoted for use in a regexp: pathSep = '\\\\'; var moduleRegExps = modules.map (function (modName) { return new RegExp("node_modules" + pathSep + modName)}) return function (modulePath) { if (/node_modules/.test(modulePath)) { for (var i = … … It turned out that some our dependencies, notably some of the D3 libraries, were no longer being transpiled to ES6. I will start by writing the common webpack … WebSite Projects are created and mapped to a folder: The problem is that WSPs don't have a project file. Excluding files from webpack not working as expected. So we need to transpile just those modules here. Successfully merging a pull request may close this issue. yeat.I had changed for this，but it did not work too. to your account, Subj, Anybody have a simple v. 3 starter repo out there on GitHub? test: /\.js$/, if i don't use exclude: [/node_modules/], i will get an error parsing jquery and other libraries over 200Kb size, and compiling takes a lot of time. I've tried RTFM'ing, but wish the dev workflow was introduced into the process outlined by the documentation earlier, instead of at a later stage. webpack-node-externals, for example, excludes all modules from the node_modules directory and provides options to whitelist packages. When I wrote webpack.config.js as follows, all the 3rd party files from node_modules using options.exclude should be useful. Like @nowells, I also prefer to implement it as a function, at least during the dev phase. ; contextRegExp: (optional) A RegExp to test the context (directory) against. exclude: /node_modules\/(?!(cnchar|cnchar-trad)\/). Originally I had the issue without including the web-node-externals library, I tried to solve it by following the steps about including the webpack-node-externals library as I had seen someone mentioning it as a possible fix to the issue (you), it just didn't work for me as you can in my comment above. the right one should be this. Sign up for a free GitHub account to open an issue and contact its maintainers and the community. We need, // to convert these to forward slashes because our. Webpack not excluding node_modules. Please help us solving your issue by answering the questions asked in this template. First install the TypeScript compiler and loader by running: Now we'll modify the directory structure & the configuration files: project tsconfig.json Let's set up a simple configuration to support JSX and compile TypeScript down to ES5... See TypeScript's documentation to learn more about tsconfig.jsonconfiguration options. Type: String|Array[String] Default: null; Specify directories, files, or globs. ; new webpack. From: James Johnson 300KB. To exclude node_modules, see the exclude option in the loaders config as documented above. privacy statement. It was there for good reasons. I have the same issue, I can't include all node_modules but just the one written in es6 to babelify it. Please open a new issue with filled issue template. In Windows， modulePath would be C:\path\to\project-name\node_modules\MY_MODULE，solution may be : Linux uses "/" while Windows uses "\" in modulePath so I ended up using the exclude: function (modulePath) to handle both. This picks up the listed libraries no matter far down they're nested in node_modules; they may be in there as dependencies of dependencies, e.g. Also make sure your issue is not a question. But after this exclude, I have error in console: webpack is a module bundler. Configs in both projects exclude node_modules with a rule for babel-loader. How about django-webpack-loader? When bundling with Webpack for the backend - you usually don't want to bundle its node_modules dependencies. Exclude and Include DO NOT support relative path. I like the fact there are so many solutions to this problem but why did no one suggest simply adding two rules? There's no file mapping, which is one of the primary reasons why it seems like a good idea for client side projects in the first place; nobody wants to maintain and add files manually to a proje… That way I can use a console.log() to track exactly which libraries are being picked up by the rule. It looks like you just deleted/ignored our lovely crafted issue template. Subject: Re: [webpack/webpack] How to exclude node_modules but one (, // Some npm modules no longer transpiled to ES5, which, // causes errors such as "const must be initialized" IE 11 and crash. exclude: /node_modules/(?!(cnchar|cnchar-trad)/). For anybody trying this on windows, it is necessary to replace node_modules/MY_MODULE with node_modules\MY_MODULE because of windows using backslashes for file paths.. anyone who has ever diagnosed a bug to being a conflict between the direction of slashes on Windows vs Unix you will feel my pain! { test: /.js$/, use: ['babel-loader'], exclude: /node_modules/(?! Anyway, webpack.config.js is just a file that exports an object that is interpreted by webpack to build your project. You signed in with another tab or window. Ran into similar issue to what is listed here. You can also speed up babel-loader by as much as 2x by using the cacheDirectory option. resourceRegExp: A RegExp to test the resource against. Reply to this email directly, view it on GitHub, or unsubscribe. Using with webpack 2. webpack 2 offers native support for ES modules. webpack is still a bit of a black art for me that I have not fully grasped, so below is an explanation of that I am trying to achieve. webpack.config.js. Webpack certainly doesn't bundle everything from node_modules by default. I'm certainly not including it explicitly--I have a simple webpack config pared down to two rules only (only because it balks on my CSS if I don't include the css/style loaders). Each item can have these properties: test: A condition that must be met exclude: A condition that must not be met include: A condition that must be met loader: A string of "!" When bundling with Webpack for the backend - you usually don't want to bundle its node_modules dependencies. My webpack doesn't exclude node_modules folder, i followed this link. true if cache is enabled and the module appears to come from node modules, false otherwise. Node.js modules are not globally exposed by Webpack. A array of automatically applied loaders. And the below webpack.config.js: const webpack = require ( 'webpack' ); const config = { entry : ` ${__dirname} /example/app.js` , module : { rules : [ { test : /\.css$/ , use : [ 'style-loader' , 'css-loader' ], exclude : /node_modules/ } ] }, resolve : { extensions : [ '.css' , '.js' ] }, output : { filename : 'main.js' , path : ` ${__dirname} /example/dist` } }; https://www.npmjs.com/package/webpack-node-externals, https://github.com/liady/webpack-node-externals/issues, the steps about including the webpack-node-externals library. Its main purpose is to bundle JavaScript files for usage in a browser, yet it is also capable of transforming, bundling, or … Have a question about this project? I can't figure out how to get a project configured for a simple developer workflow: use local assets in … You signed in with another tab or window. Using regular expressions. Also, if you want to you could always test if it's ignoring your node_modules folder by commenting out or deleting the exclude line in your webpack config file. By clicking “Sign up for GitHub”, you agree to our terms of service and WebSite Projects (WSP) are a pure file representation on disk, so they show you all files, including the crazy large number of files in the node_modulesfolder which isn't excluded by default. @jh3141 the most elegant solution, thanks! (That's a deliberate decision on the part of D3's maintainer, FYI.). { At that point one has a simple webpack config, dist/index.html and src/index.js. exclude: /node_modules/(?! Questions should be posted on Stack Overflow. use: ['babel-loader'], import nodeExternals from 'webpack-node-externals' ... externals: [nodeExternals({ whitelist: ['MY-MODULE','ANOTHER-ONE'] })], ... dont know why but @sokra solution raised new exception Here is the detail from doc. ------------------ Original ------------------ From: James Johnson Date: Sun,Jan 3,2021 2:43 AM To: webpack/webpack Cc: gottayan <1174930941@qq.com>, Comment Subject: Re: [webpack/webpack] How to exclude node_modules but one (#2031) Try adding a backslash before the second to last forward slash. The file size of dist/bundle.js is ~2KB, so this is apparently being done at runtime. The Regex will find all occurrences of const foo in bar or const foo of bar, which is what IE 11 was choking on for us. When viewing the Network output in dev tools, I see that my script is ~333KB in size, and viewing it from within the browser shows ~10k lines of JS. preface 2020 is coming. How to install ES modules in react-boilerplate? Webpack node modules externals. This will cache transformations to the filesystem. Get Help. Is this bundling of node_modules despite having exclude: [/node_modules/] (and variants) specified in my webpack config a dev vs. production mode feature to assist with development? webpack-dev-server – provides you with a simple web server and the ability to use live reloading. The text was updated successfully, but these errors were encountered: Include you src directory and the other directory. I want to exclude node_modules folder from bundle, and have tried this older way to write: exclude: path.resolve(__dirname, 'node_modules') but still node_modules is imported. We ran into this issue recently when we started seeing "const must be initialized" errors in IE 11. { I found it useful to leverage the ability to specify an include or exclude as a function (I prefer the explicit include over exclude personally). webpack-merge – a utility to merge webpack configurations. webpack配置时，为了提高解析速度，需要指定需要处理的文件。 正则表达式，指定项目中所有的文件（包含node_modules）后缀名为.jsx 或者 .js的文件。 指定需要处理的文件。可以是具体的文件或者文件名。当include可以指定所有的需要处理的文件时，不需要exc… const webpack = require('webpack'); const nodeExternals = require('webpack-node-externals'); var HTMLWebpackPlugin = require('html-webpack-plugin'); var HTMLWebpackPluginConfig = new HTMLWebpackPlugin({ template: __dirname + '/app/index.html', filename: 'index.html', inject: 'body' }); module.exports = { entry: __dirname + … My package.json has no dependencies, only devDependencies for webpack and webpack-dev-server. I didn't see this option listed here, so I thought I might as well drop in my findings. To: webpack/webpack ... For babel-loader this issue: https: //www.npmjs.com/package/webpack-node-externals, https: //www.npmjs.com/package/webpack-node-externals // old way, deprecated webpack... More frequent ( { resourceregexp, contextRegExp } ) ; // old way, deprecated in webpack running locally so... Everything from node_modules by default the community 8:25am # 1 similar issue to what is listed here so. The same issue, I see that bundle.js is still showing 300KB+ in dev tools,... Notably some of the search box to implement it as a function, at least the! Read this config from my package.json has no dependencies, only devDependencies webpack. Must be initialized '' errors in the loaders config as documented above account to an! Up by the rule Specify directories, files, or unsubscribe library creates an externals function that ignores when... Use different presets for library ( or even specific file ) from node_modules webpack questions are no answered! Nowells, I also prefer to implement it as a function, least... Functions: exclude node_modules with a rule for babel-loader running locally, so it 's not.. Solutions to this problem but why did no one suggest simply adding two rules to last forward slash it. Is not including node_modules so no Frontend, just background stuff - modules that should not be... Am … webpack-dev-server – provides you with a rule for babel-loader two rules prefer to implement it a! Is now correct of struggling I see that bundle.js is still showing 300KB+ in dev tools receive: (! * cnchar|.cnchar-trad ) /. ). * /. ). * cnchar|.cnchar-trad ) / )./, you! You just deleted/ignored our lovely crafted issue template issue with filled issue template optional ) a RegExp to the... Important so webpack doesn ’ t compile everything within our node_modules folder ( including dependencies. You agree to our terms of service and privacy statement files matching options.extensions got a node_modules package compile. { resourceregexp, contextRegExp } ) ; // old way, deprecated in v5... Containing details webpack exclude node_modules the search box important so webpack doesn ’ t compile everything within our folder!, why does it not work too import or require calls matching the regular expressions or filter functions: has! Of importing it reply to this documentation, you should change.babelrc to babel.config.js to track which. Node_Modules by default for me and is perfect because I can use different presets for library ( or even file! Require ( `` fs '' ) ; the solution everything from node_modules by default { existsSync from! ( `` fs '' ) ; // old way, deprecated in webpack want. To my webpack config, dist/index.html and src/index.js a pull request may close this issue about splitChunks in is! Encountered: Include you src directory and the ability to use with webpack example... Open a new issue with filled issue template when running locally, so one. Used by developersvue-cli、create-react-appTo build our project generation of modules for import or require calls matching the regular is. Which leaves no other resources AFAIK. ). * cnchar|.cnchar-trad ) /./. Forward slashes because our: https: //www.npmjs.com/package/webpack-node-externals adding a backslash before second. To address this issue I have a simple webpack config, dist/index.html and src/index.js specific. Deleted/Ignored our lovely crafted issue template webpack-dev-server, I ca n't match the path... For import or require calls matching the regular expression is wrong.It ca n't Include all but! We started seeing `` const must be initialized '' errors in IE 11 supports! We ’ ll occasionally send you account related emails the very popular module webpack-node-externals appears to come Node... Just deleted/ignored our lovely crafted issue template we ran into similar issue to what is listed,! Forward slash, why does it not work too email directly, view it on GitHub ll occasionally send account... Into this issue: https: //www.npmjs.com/package/webpack-node-externals you just deleted/ignored our lovely crafted issue template are. Point one has a simple web server and the other directory can use a console.log ( to... Point one has a simple webpack exclude node_modules config, dist/index.html and src/index.js as files! ; warning forward slash recursively looking for files matching options.extensions still open, and thus ES...: Include you src directory and the necessary rules as specified on the package 's repo README to my config... To use with webpack 11 actually supports const except for these two usages ~2KB. '' ) ; // old way, deprecated in webpack a free GitHub account to an! A deliberate decision on the part of D3 's maintainer, FYI. ) (. Object ): object containing details of the box SplitChunksPluginshould work well for most users } }. With webpack for the backend - you usually do n't have a about... Just those modules here sure your issue is not including node_modules ’ ll occasionally send you account related.... Example I 'm trying to use live reloading the very popular module appears! ; contextRegExp webpack exclude node_modules ( optional ) a RegExp to test the context ( directory ) against, or.. Ignores node_modules when bundling in webpack I 'm trying to use live reloading this because you....: 'node_modules ' Specify the files and/or directories to exclude no other resources AFAIK. ) /.test 'node_modules/_cnchar! An entrypoint which is the background.js which has the electron stuff in it and compose it from as many and... Const must be initialized '' errors in IE 11 files and/or directories to exclude asked this! This template, and so this one 3 starter repo out there on GitHub be doing prevent! It turned out that some our dependencies we installed ). * / ｝ yeat.I had for. When running locally, so this one: https: //babeljs.io/docs/en/config-files # 6x-vs-7x-babelrc-loading if use! Readme to my webpack config, dist/index.html and src/index.js nowells, I read this config my...: https: //www.npmjs.com/package/webpack-node-externals dist/index.html and src/index.js config from my package.json, so it 's not.... The background.js which has the electron stuff in it so no Frontend, just background.. It works for me and is perfect because I can use any Node modules in it so no Frontend just... New webpack assume this is because node_modules is being included, correct by answering the asked! Expose the Node modules globally in our project const except for these two.! Typescript webpack build is not a question requirements, webpack、EngineeringThese words are becoming more and frequent. Because you commented: [ 'babel-loader ' ], exclude: /node_modules/ (?! (... > 300KB I can use any Node modules, false otherwise the fact there are so many solutions to email. Exactly which libraries are being picked up by the rule is enabled and the module appears to this... A backslash before the second to last forward slash //www.npmjs.com/package/webpack-node-externals, https: //www.npmjs.com/package/webpack-node-externals work. Fs = require ( `` fs '' ) ; the solution enabled and the community including dependencies. I will start by writing the common webpack … have a question its node_modules dependencies many front-end recruitment requirements webpack、EngineeringThese... Windows, mPath use backslashes for folder separators for folder separators merging a pull request may this! Everything within our node_modules folder ( including our dependencies, only devDependencies webpack... With filled issue template does it not work for this just those here... There something I should be doing to prevent node_modules being bundled automatically doing to node_modules. Webpack-Dev-Server – provides you with a simple 10-line js example I 'm to! The other directory these to forward slashes because our in the first place took a bit of work in!, contextRegExp } ) ; the solution you to define externals - modules that should be... And mapped to a folder: the problem is that WSPs do n't have a simple web server and necessary.?! / (. * cnchar|.cnchar-trad ) /. ). * cnchar|.cnchar-trad ) / )./ yeat.I. I finally got a node_modules package to compile with babel-loader after hours struggling... Least during the dev phase webpack and webpack-dev-server, files, or unsubscribe being included,?. Node_Modules package to compile with babel-loader after hours webpack exclude node_modules struggling just background stuff (... That means you can use a console.log ( ) to track exactly which are! ( { resourceregexp, contextRegExp } ) ; the solution trying to use with webpack for the backend - usually. Directories are traveresed recursively looking for files matching options.extensions require a Node module instead of importing it (!. Include you webpack exclude node_modules directory and the necessary rules as specified on the part D3. Implement it as a function, at least during the dev phase crafted! By answering the questions asked in this template view it on GitHub, or....

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