Webpack compile is not a function

22.03.2021

Sponsor webpack and get apparel from the official shop! All proceeds go to our open collective! If you're still new to webpack, please read through the core concepts and this comparison to learn why you might use it over the other tools that are out in the community. First let's create a directory, initialize npm, install webpack locallyand install the webpack-cli the tool used to run webpack on the command line :. Throughout the Guides we will use diff blocks to show you what changes we're making to directories, files, and code.

webpack compile is not a function

We also need to adjust our package. This is to prevent an accidental publish of your code. If you want to learn more about the inner workings of package. Our index. This is because index. The "source" code is the code that we'll write and edit. The "distribution" code is the minimized and optimized output of our build process that will eventually be loaded in the browser.

Tweak the directory structure as follows:. To bundle the lodash dependency with index. When installing a package that will be bundled into your production bundle, you should use npm install --save.

If you're installing a package for development purposes e. More information can be found in the npm documentation. Now, since we'll be bundling our scripts, we have to update our index.

In this setup, index. By stating what dependencies a module needs, webpack can use this information to build a dependency graph. It then uses the graph to generate an optimized bundle where scripts will be executed in the correct order. The npx command, which ships with Node 8. Your output may vary a bit, but if the build is successful then you are good to go.

Also, don't worry about the warning, we'll tackle that later. Open index. If you are getting a syntax error in the middle of minified JavaScript when opening index. This is related to running npx webpack on latest Node. The import and export statements have been standardized in ES They are supported in most of the browsers at this moment, however there are some browsers that don't recognize the new syntax.

But don't worry, webpack does support them out of the box. Behind the scenes, webpack actually "transpiles" the code so that older browsers can also run it. Besides import and exportwebpack supports various other module syntaxes as well, see Module API for more information. Note that webpack will not alter any code other than import and export statements.

As of version 4, webpack doesn't require any configuration, but most projects will need a more complex setup, which is why webpack supports a configuration file. This is much more efficient than having to manually type in a lot of commands in the terminal, so let's create one:. If a webpack. We use the --config option here only to show that you can pass a configuration of any name.

This will be useful for more complex configurations that need to be split into multiple files. A configuration file allows far more flexibility than simple CLI usage. We can specify loader rules, plugins, resolve options and many other enhancements this way.Sponsor webpack and get apparel from the official shop! All proceeds go to our open collective!

It extends the Tapable class in order to register and call plugins. Most user facing plugins are first registered on the Compiler. This module is exposed as webpack. Compiler and can be used directly. See this example for more information. When developing a plugin for webpack, you might want to know where each hook is called. To learn this, search for hooks. The Compiler supports watching which monitors the file system and recompiles as files change.

When in watch mode, the compiler will emit the additional events such as watchRunwatchCloseand invalid. This is typically used in developmentusually under the hood of tools like webpack-dev-serverso that the developer doesn't need to re-compile manually every time. Watch mode can also be entered via the CLI.

The following lifecycle hooks are exposed by the compiler and can be accessed as such:. Depending on the hook type, tapAsync and tapPromise may also be available. For the description of hook types, see the Tapable docs. Called after the entry configuration from webpack options has been processed. Called while preparing the compiler environment, right after initializing the plugins in the configuration file.

Called right after the environment hook, when the compiler environment setup is complete. Hook into the compiler before it begins reading records. Executes a plugin during watch mode after a new compilation is triggered but before the compilation is actually started.

webpack compile is not a function

Executed while initializing the compilation, right before emitting the compilation event. Executed when an asset has been emitted. Provides access to information about the emitted asset, such as its output path and byte content.

Allows to use infrastructure logging when enabled in the configuration via infrastructureLogging option. Allows to log into stats when enabled, see stats. Print Section. Module Variables module. Resolvers Types Configuration Options. You are reading webpack 5 documentation. Change here to: webpack 4 documentation.

Edit Document Print Document. Hooks The following lifecycle hooks are exposed by the compiler and can be accessed as such: compiler. Callback Parameters: contextentry compiler.

Callback Parameters: compiler environment SyncHook Called while preparing the compiler environment, right after initializing the plugins in the configuration file. Callback Parameters: compiler additionalPass AsyncSeriesHook This hook allows you to do a one more additional pass of the build. Callback Parameters: compiler watchRun AsyncSeriesHook Executes a plugin during watch mode after a new compilation is triggered but before the compilation is actually started.

Callback Parameters: compilationParams thisCompilation SyncHook Executed while initializing the compilation, right before emitting the compilation event.GitHub is home to over 40 million developers working together to host and review code, manage projects, and build software together. Have a question about this project?

webpack compile is not a function

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Bug report

There is a PR for Webpack 4 support: The author warns about chunk-related issuesbut in my starter Webpack 4 beta setup, it is working. Actually I got a fix for the SyncWaterfallHook error, this seems to be due to different webpack plugin using different versions of Tapable. I tried but it does not seem to work.

Will this be fixed soon in master? I mean, webpack 4 compatibility. My index. Removing html-webpack-plugin works fine, but I have no hijacked html xD. I've only used the fork in place of the regular plugin. I was not using chunks, the project had few dependencies But I discontinued it.

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It's very weird anyway: I wrote a simple plugin on my own to put the assets into the html and exclude html-webpack-plugin possible errors.

It worked flawlessly and the error was instead fired into console at runtime it's not fired by webpack : how did it end up into the html file? Hey, what the status, any news? I did it this morning and it works flawlessly. TomasHubelbauerthat works for me, thank you! How did you get this? Still getting this error too in a react native project with styleguidist.

Silvia had the same issue, fixed it by installing the latest versions of my babel-loaders. Even after having updated html-webpack-plugin to the latest version a tapable resolved to 1. Lines 78 to 89 in e6e Even after update to the latest version 3. Read this thread and the solution that worked for me was to do the same as benoitkoenig proposed, after updating those dependencies the issue is gone.Sponsor webpack and get apparel from the official shop!

All proceeds go to our open collective! Closure-Compiler is a full optimizing compiler and transpiler.

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Closure-Library is a utility library designed for full compatibility with Closure-Compiler. Controls which version to use of closure-compiler. By default the plugin will attempt to automatically choose the fastest option available.

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Controls how the plugin utilizes the compiler. Defaults to false.

import / export (modules) - Beau teaches JavaScript

In order to decrease build times, this plugin by default only operates on the main compilation. Plugins such as extract-text-plugin and html-webpack-plugin run as child compilations and usually do not need transpilation or minification.

You can enable this for all child compilations by setting this option to true. For specific control, the option can be set to a function which will be passed a compilation object. Used to override the output file naming for a particular compilation. Can be used to pass flags to the java process. In this mode, the compiler rewrites CommonJS modules and hoists require calls. Some modules are not compatible with this type of rewritting. In particular, hoisting will cause the following code to execute out of order:.

Aggressive Bundle Mode utilizes a custom runtime in which modules within a chunk file are all included in the same scope. This avoids the cost of small modules. In Aggressive Bundle Mode, a file can only appear in a single output chunk. Use the Split Chunks Plugin to split duplicated files into a single output chunk.

If a module is utilized by more than one chunk, the plugin will move it up to the first common parent to prevent code duplication.Sponsor webpack and get apparel from the official shop! All proceeds go to our open collective! In this guide we will learn how to integrate TypeScript with webpack. See TypeScript's documentation to learn more about tsconfig. To learn more about webpack configuration, see the configuration concepts.

This will direct webpack to enter through. Now lets change the import of lodash in our. This is related to TypeScript configuration and mentioned in our guide only for your information. We use ts-loader in this guide as it makes enabling additional webpack features, such as importing other web assets, a bit easier. To enable source maps, we must configure TypeScript to output inline source maps to our compiled JavaScript files. The following line must be added to our TypeScript configuration:.

When installing third party libraries from npm, it is important to remember to install the typing definition for that library. These definitions can be found at TypeSearch. For example if we want to install lodash we can run the following command to get the typings for it:. For more information see this blog post. To use non-code assets with TypeScript, we need to defer the type for these imports.

This requires a custom. Let's set up a declaration for. Here we declare a new module for SVGs by specifying any import that ends in.

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We could be more explicit about it being a url by defining the type as string. Print Section. Environment Variables. Dependency Management require with expression require. Lazy Loading Example Frameworks. Advanced entry Multiple file types per entry. You are reading webpack 5 documentation. Change here to: webpack 4 documentation. Edit Document Print Document. TypeScript This guide stems from the Getting Started guide. Now let's configure webpack to handle TypeScript: webpack.

Loader ts-loader We use ts-loader in this guide as it makes enabling additional webpack features, such as importing other web assets, a bit easier. Source Maps To learn more about source maps, see the development guide.

webpack compile is not a function

The following line must be added to our TypeScript configuration: tsconfig. Using Third Party Libraries When installing third party libraries from npm, it is important to remember to install the typing definition for that library.

Importing Other Assets To use non-code assets with TypeScript, we need to defer the type for these imports. Build Performance This may degrade build performance. See the Build Performance guide on build tooling. Contributors morsdyce kkamali mtrivera byzyk EugeneHlushko.By using our site, you acknowledge that you have read and understand our Cookie PolicyPrivacy Policyand our Terms of Service.

The dark mode beta is finally here. Change your preferences any time. Stack Overflow for Teams is a private, secure spot for you and your coworkers to find and share information. My project was working fine but after installing react-redux and redux i can't start the project it shows me this error.

This is probably not a problem with npm. There is likely additional logging output above. The screenshot of error in ternimal. I ran into a problem with this same symptom after upgrading all of my node modules including react and redux, but in particular react-dev-utils to v8.

The createCompiler function has been changed to expect an object rather than multiple parameters I guess this will provide greater flexibility in the future. Learn more. Failed to compile. Asked 1 year, 1 month ago. Active 1 month ago. Viewed 7k times. My project was working fine but after installing react-redux and redux i can't start the project it shows me this error Failed to compile.

Exit status 1 npm ERR! Failed at the project 0. Rajesh Pandya 1, 4 4 gold badges 13 13 silver badges 22 22 bronze badges. Gulzar Yousaf Gulzar Yousaf 2 2 silver badges 7 7 bronze badges.

Do you have Webpack installed globally or locally? GulzarYousaf looks like you are trying to connect over an insecure connection httpyou'll need to check your npm settings.GitHub is home to over 40 million developers working together to host and review code, manage projects, and build software together. Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community. Already on GitHub?

Sign in to your account. Updated webpack to v4. Thanks for your report. It would be great if you reduce your issue to a small reproducible example. Best put this example into a github repository together with instructions how to get to the problem.

Seem like two different version of webpack are installed. Delete all webpack versions from your lockfile and reinstall. Skip to content. Dismiss Join GitHub today GitHub is home to over 40 million developers working together to host and review code, manage projects, and build software together. Sign up. New issue.

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Jump to bottom. Copy link Quote reply. Bug report "compiler. This comment has been minimized. Sign in to view. Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment. Linked pull requests.

Compiler Hooks

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