Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide. Why does the sentence uses a question form, but it is put a period in the end? Eg. More information about dealing with version mismatches can found in a further article of this series. 2021-12-23: Updated for Angular CLI 13.1.x One application can dynamically run code from another bundle or build, on the client and the server. How to interpret the output of a Generalized Linear Model with R lmer. would this work across different repositories, where configuring the 'paths' inside of tsconfig wouldn't be able to point to a path in a repository recieving a service? I'm using (at the moment) Angular 11.0.0-next and Webpack 5, which is only available as an opt-in with ng11 . In my project I have some library aliases like the following, To make this work in my webpack config. live preview Check out this live module federation example on StackBlitz. We've also used the main federated module as a shared library for all of our applications. In my previous article, Ive shown how to use Module Federation which is part of webpack beginning with version 5 to implement microfrontends. I don't know how it would find files that are not local to the project that is being built, unless you included it as an NPM package or something. This syntax allows you to provide additional hints to each shared package where you define the package name as the key, and the value as an object containing hints to modify sharing behavior. 2022 Moderator Election Q&A Question Collection, Angular CLI Project Missing Module Errors After Git Pull, Could not find module "@angular-devkit/build-angular", WP5 Module Federation: Singleton instantiated multiple times, Webpack Module Federation Unsatisfied version 11.x.x of shared singleton module @angular/common (required ^7.2.0), Error when adding Datepicker to a remote component in module federation, React Module Federation - Uncaught Error: Shared module is not available for eager consumption: webpack/sharing/consume/default/react/react. I'm going to note that my project is an NX Monorepo using Angular CLI. LO Writer: Easiest way to put line of words into table as rows (list). While its obvious that the project shell contains the code for the shell, mfe1 stands for Micro Frontend 1. There are no errors or anything -- things just don't work like you expect. main renders modules from the remote menu and a module from the appropriate micro frontend, in this illustration subscriptions. This simplifies the use of module federation and the resulting source code, which does not require additional microfrontend frameworks. When webpack goes to bundle the code it needs to be able to find it. 18. So, if you run into this issue take a look at your dependencies and make sure you're sharing everything you need. Manfred Steyer Trainer and Consultant with focus on Angular Singleton or modules without fallback will throw, otherwise fallback is used, // the required version of the shared module, Move common modules into the parent chunk, Passing the minChunks property a function, Combining implicit common vendor chunks and manifest file, Multiple compressed versions of assets for different algorithm. . The setup is rather straightforward and enables dynamic imports from other micro frontends in runtime. Since this post is about showcasing a component UI library, I am going to skip some of the setup boilerplate explained in my last post and walk you through what were working with. There is active webpack bug regarding that. is a trainer and consultant with a focus on Angular. If you're using path aliases in your tsconfig, you are used to importing local libraries like "@common/my-lib", but you can't share modules by alias in your webpack config. To learn more, see our tips on writing great answers. Why is SQL Server setup recommending MAXDOP 8 here? The ModuleFederationPlugin allows a build to provide or consume modules with other independent builds at runtime. This file is where we add in the wiring for the hosts, remotes, shared code, and shared dependencies in the Module Federation plugin. How to generate a horizontal histogram with words? This hint will allow webpack to include the provided and fallback module directly instead of fetching the library via an asynchronous request. https://github.com/webpack/webpack/issues/15164. How to generate a horizontal histogram with words? // there is no version check for the required version, // so it will always use the higher version found, // it will use the highest lodash version that is >= 4.17 and < 5, // it will always use the shared version, but print a warning when the shared vue is < 2.6.5 or >= 3, // it will emit a warning if the shared vue is < 2.6.5 or >= 3, // it will throw an error when the shared vue is < 2.6.5 or >= 3, // the "vue" package will be used as a provided and fallback module, // under this name the shared module will be placed in the share scope, // share scope with this name will be used, // only a single version of the shared module is allowed, // don't use shared version when version isn't valid. Making statements based on opinion; back them up with references or personal experience. Make a wide rectangle out of T-Pipes without loops, Replacing outdoor electrical box at end of conduit, What does puncturing in cryptography mean. For example, it is likely that components that were compiled with completely different Angular versions will not work together at runtime. It either compiles and runs and creates two instances, or it fails to compile citing a missing module depending on how i mess up my configuration I'm sure. Module Federation Sharing Library Code; . shared It uses the router to lazy load a FlightModule: However, the path mfe1/Module which is imported here, does not exist within the shell. For example, you have to ensure that the components that are only loaded at runtime and that were not yet known when compiling also interact as desired. Would it be illegal for me to act as a Civillian Traffic Enforcer? Shared Configs map.config.json contains a global object of local and remote endpoint URLs. This is particularly important in angular for things like global auth services. How do I simplify/combine these two methods for finding the smallest and largest int in an array? I highly recommend you checking out Jack Herringtons's Youtube Video "How to build a resilient shared Header/Footer using Module Federation", where he walks you through the process of creating a resilient federated header / footer using a mix of techniques (including MF), custom React error boundaries and Yarn workspaces. I prefer women who cook good food, who speak three languages, and who go mountain hiking - what if it is a woman who only has one of the attributes? Then with the help of my co-creator and the founder of Webpack it was turned into one of the most exciting features in the Webpack 5 core (there's some cool stuff in there, and the new API is really powerful and clean). However, when dealing with it, several additional questions come in mind: Our free eBook (about 100 pages) covers all these questions and more: The implementation of microfrontends has so far involved numerous tricks and workarounds. It has routes defined within in the AppModule: In order to make it possible to load the FlightsModule into the shell, we also need to expose it via the remotes webpack configuration: The configuration shown here exposes the FlightsModule under the public name Module. 2021-08-08: Updated for Angular CLI 12.x Creating a federated UI library this way works really well, and something that I feel could be quite advantageous for larger teams working with Single Page Applications wanting to have an option to NPM or the like. This is often known as Micro-Frontends, but is not limited to that. The promise of rapid delivery of performant product-based user experiences has never been more achievable through module federation. Best way to get consistent results when baking a purposely underbaked mud cake. Each project exposes code that will be consumed by others. When the migration is complete, you will access your Teams at stackoverflowteams.com, and they will no longer appear in the left sidebar on stackoverflow.com. next step on music theory as a guitar player. Assigning a new port for ng serve so that several projects can be served simultaneously. This is a tiny file generated by webpack when building the remote. In order to make module federation work, we need to bootstrap the app asynchronously. Why are only 2 out of the 3 boosters on Falcon Heavy reused? But, if I put eager=false, how can the code retrieve the library when needed? To improve performance, libraries can be shared and strategies for dealing with incompatible versions can be configured. Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide. I started from a working example, then generated a new lib (ng generate library mdmf-shared) and exposed a single Injectable from the library's public-api.I import this service into my shell and my microfrontend with no . The upcoming Webpack 5 will bring lots of goodies to improve both developer experience and build time, but none of them is as ground-breaking as the new Module Federation.. Up until today, the implementation of micro front-end strategy seems to only bring increased complexity and inconsistent performance where the bad outweighs the good. Now on to the actual UI library exposed by the UI team through MF, btw - read my previous post about micro-frontends SPAs using MF if you feel you need more examples to follow along. This approach is good for prototyping, but it will not allow you to scale to large production environment given that libraries like react and react-dom will require additional requirements. Asking for help, clarification, or responding to other answers. Low-level concepts We distinguish between . It does this by pulling them out of the the build pipeline and out of your apps. Let's explore some of the patterns and use-cases for module federation. While this doent seem to make a lot of sense at first glance, its a typical pattern you find in Module Federation-based applications. This is a typical pattern when using Module Federation. I'm working on a new project using Angular 11 and Webpack 5. Array syntax This syntax allows you to share libraries with package name only.
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