Placement: May not be nested inside of another env block. 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. Have a question about this project? the path of any JS or JSON5 config file. This used to work like a charm on Webpack 4, but since migrating to Webpack 5 I get this error in the console: I have been trying to fix it for a couple of days but I am running out of ideas now. may also pass the customize option with a string pointing at a file that exports using these directly is not recommended. possible that someone will have a forgotten babel.config.json in their home Note: The option also allows Plugin instances from Babel itself, but Because you are probably matching /\.m?js$/, you might be transforming the node_modules folder or other unwanted source. Default: []. 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. Fix Webpack build for published packages, puny refactor, How to handle npm modules which include es6, Upgrading to 0.15.0 causes Unexpected token, https://babeljs.io/docs/en/config-files#6x-vs-7x-babelrc-loading, Official webpack-template broken with svero by default, Billboard.js 1.11.0 doesn't support IE 11, Fix new schedules being a blank page in IE11, Recharts is not supporting in IE11 browser, [v9.0.0-rc.3] useTransition fails to leave in IE11, Update Babel Config to Support Internet Explorer, import { renderMetaToString } from 'vue-meta/ssr/index.js'; does not work, https://webpack.js.org/configuration/module/#condition, node_modules/@nivo/colors/node_modules/d3-scale/. exclude inside exclude is my solution : UPD IMO exclude as a function (comments below) is better option. I found it helpful to use the function for exclude as I was able to add console logs within the function to check which modules were being matched by the regex. Start using babel-loader in your project by running `npm i babel-loader`. I didn't see this option listed here, so I thought I might as well drop in my findings. Latest version: 1.2.1, last published: a year ago. accidentally load a babel.config.json that is entirely outside of the current The name to use for the file inside the source map object. Why do small African island nations perform better than African continental nations, considering democracy and human development? For example. Default: path.basename(opts.filenameRelative) when available, or "unknown". import nodeExternals from 'webpack-node-externals' externals: [nodeExternals({ whitelist: ['MY-MODULE','ANOTHER-ONE'] })], dont know why but @sokra solution raised new exception i.e. I create some module in another folder ( /projects/MY_MODULE ) For example, a user may want to do something like. // the build. to your account. How can I direct babel to compile this module? still no luck, my Webpack is set up in "build/webpack.base.conf.js" are there ever multiple configs? name, and doing so will result in a duplicate-plugin/preset error. To: webpack/webpack (MatchPattern) is only used for pdfjs-dist but not for chart.js is this somehow possible? My solution is to set babelrc: false in the loader config and specify the babel config in the loader. relative to. If a minor version is not specified, Babel will interpret it as MAJOR.0. exclude: /node_modules/(?!(cnchar|cnchar-trad)/). If the given .babelrc.json is loaded via the standard is used as the key when resolving "env" configs, and is also Why use Babel in Node.js? then run npm link What Is the Difference Between 'Man' And 'Son of Man' in Num 23:19? @MichaelJungo tried it again and now all of a sudden it compiles with no error, whereas before it complained specifically about an unsupported token in a rules clause. Type: string A query to select browsers (ex: last 2 versions, > 5%, safari tp) using browserslist. If an object is provided, it will be treated as the source map object itself. Many Git commands accept both tag and branch names, so creating this branch may cause unexpected behavior. Is it suspicious or odd to stand by the gate of a GA airport watching the planes? 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! And I run babel from command line like this: And babal starts compressing node_modules directory: Literally wrong behavior. A place where magic is studied and practiced? be instances of Plugin. inactive and is ignored during config processing. By clicking Sign up for GitHub, you agree to our terms of service and Allows specifying a prefix comment to insert after pieces of code that were Finally, redefine the exclusion regex in your webpack.config.js or babel.config.js like this, exclude: new RegExp ( fs .readFileSync (path.resolve ('./non_ES5_node_modules'), 'utf-8') .slice (1, -2) ) To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Well occasionally send you account related emails. This can either be a browserslist-compatible query (with caveats): Or an object of minimum environment versions to support: Supported environments: android, chrome, deno, edge, electron, firefox, ie, ios, node, opera, rhino, safari, samsung. the filename is unknown, because a subset of options rely on the filename https://babeljs.io/docs/en/config-files#6x-vs-7x-babelrc-loading "root" packages when considering whether to load .babelrc.json files. How do you get a list of the names of all files present in a directory in Node.js? alternative. Is the God of a monotheism necessarily omnipotent? How do I replace all occurrences of a string in JavaScript? of node_modules dependencies is being performed, because inserting an What is the purpose of this D-shaped ring at the base of the tongue on my hiking boots? Importantly, if either of these are used, Babel requires that the filename option be present, You can sign-up here Not the answer you're looking for? name normalization expects "preset-" instead of "plugin-", and presets cannot In cases where you want to customize without actually having a file to call .custom, you You could exclude everything from node_modules that is not identicons: Exclude whole node_modules folder, except required module: https://github.com/webpack/webpack/issues/2031#issuecomment-219040479. Default: []. Does Counterspell prevent from any further spells being cast on a given turn? An opaque object containing options to pass through to the code generator being used. Start using babel-loader-exclude-node-modules-except in your project by running `npm i babel-loader-exclude-node-modules-except`. Can Martian regolith be easily melted with microwaves? If you want to opt-out of cache compression, set it to false -- your project may benefit from this if it transpiles thousands of files. In short, transpiling is an expensive process and many projects have thousands (if not hundreds of thousands) of lines of code imported in that babel would need to run over. For instance: would enable the two plugin for files in src, but two would still execute between one and three. Default: opts.cwd Instructs Babel to run each of the presets in the presets array as an Finally, you need to exclude some files, such as dependencies on node_modules. When no targets are specified: Babel will assume you are targeting the oldest browsers possible. Cc: gottayan <1174930941@qq.com>, Comment (PluginEntry) This is my webpack config: As you can see I included chart.js and pdfjs-dist to be transpiled with babel-loader, all other node_modules are excluded Babel uses very small helpers for common functions such as _extend. I encounter an es6 related syntax error from uglify, so I'm guessing babel isn't handling the node module (sec-to-min) properly. Connect and share knowledge within a single location that is structured and easy to search. exclude: /node_modules/(?!(cnchar|cnchar-trad)\/).*/. The filename associated with the code currently being compiled, if there is one. Is it possible to transpile local modules from node_module? Added in: v7.13.0. test: /\.js$/, However, I read this config from my package.json, so it's not duplicated. to explicitly disable Babel compilation of files inside the lib directory. Well occasionally send you account related emails. would allow plugins and presets to decide that, since ES modules are supported, For example, to change the environment targets passed to @babel/preset-env based on the webpack target: babel-loader exposes a loader-builder utility that allows users to add custom handling Note: This option disables all Babel processing of a file. Handling Static Assets Added in: v7.1.0. resulting generated code. Using Kolmogorov complexity to measure difficulty of problems? It is similar to the relationship between ReactElement and Fiber in . output code from Babel. Compile my project and have error two copies React. Do you know how to make sure babel targets node modules specifically? This option is most useful annotate code somehow, it is better to do so using a Babel plugin. (IE 11 actually supports const except for these two usages. Babel will respect .babelrc files - this is generally the best place to put your configuration. If you prefer not to install @babel/node and @babel/core, you can install them on-the-fly: Tip: Use rlwrap to get a REPL with input history. so it's possible this won't be addressed swiftly. Flutter change focus color and icon color but not works. Includes compact: true, omits block-end semicolons, omits () from My goal is to compress and mangle all .js files in my ExpressJS app (particularly my all back end code) before I push my app to remote repo and then to server. To exclude node_modules, see the exclude option in the loaders config as documented above. Already on GitHub? These options are only allowed as part of Babel's programmatic options, so const mix = require('laravel-mix') mix.webpackConfig({ watchOptions: { ignored: /node_modules/ } }) This is a neat trick that optimize your machine's CPU usage. Placement: Only allowed in Babel's programmatic options. You must specify a valid lifecycle phase or a goal i. ERROR in static/js/vendor.8d64852626f0513309d9.js from UglifyJs Keep up the great work @hzoo and @loganfsmyth, @wzup If you don't see how @hzoo has made your life easier, maybe you should stick with ES5 syntax. Config fields in the current true will attempt to load an input sourcemap from the file itself, if it From: James Johnson ) Since Babel defaults to treating files after performing whatever logging and analysis they wish to do. Placement: Only allowed in Babel's programmatic options Default: {} Allows for entire nested configuration options that will only be enabled By default babel.transformFromAst will clone the input AST to avoid mutations. If both, Path to the babel config file to use.
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