All we need is already built into npm and TypeScript. In the next chapter, we will use this example to create a continuous integration workflow for the monorepo using a Github action. Packages 0. Call Nx command to get the list of affected projects for each specific task. This is what we are going to use for checking the pipelines that we are going to build, but our continuous integration workflow should be valid for any quantity of projects built with Node.js and E2E testing projects. tip Like Yarn, pnpm hoists all packages to the root. Now we are going to see how to create a continous integration workflow for the Nx and Pnpm monorepo using Github actions. There are many methods for installing it, you can check them all in the Pnpm installation docs. In this post we are going to see how to build a monorepo using Pnpm and Nx, that, used together, will cover all the described requirements. Nx recommends as best practices to have an app folder and a libs folder for reusable libraries, but in my opinion that structure is more recommendable if you are going to include also front-end projects or other type of not versioned and distributable applications. However, if you open that folder, you'll see that all directories and files are hidden there: This node_modules stores all the dependencies but they are hidden in .registry.npmjs.org. You can create a workspace to unite multiple projects inside a single repository. Once unsuspended, javierbrea will be able to comment and publish posts again. Built on Forem the open source software that powers DEV and other inclusive communities. (As we will see later, in reality, this script shouldn't be used very usual, because we should run only the unit tests of the affected packages, but it is added only to illustrate how to add custom scripts for making our workflow easier). Updated on May 13 3. Workspace pnpm has built-in support for monorepositories (AKA multi-package repositories, multi-project repositories, or monolithic repositories). With you every step of your journey. In the next steps we will use the two different outputs for creating different matrixes. Let's say I want to install a package in a specific package in my monorepo, how do I do this from root? With pnpm, the dependency will be stored in a content-addressable store, so: This guide will set up a simple monorepo with an Expo project. Setup mono repo support with pnpm To support a mono repo we need to setup a workspace in PNPM so it can discover all the package.json files for apps and libs in NX. This article is focused on Node.js packages, but most of the contents could be valid also for other type of projects with minimal changes. https://leveluptutorials.com/tutorials/monorepos-with-pnpm. Likewise, there is a symlink to is-positive in the node_modules directory of foo. Creating the monorepo. Inside a workspace, pnpm install installs all dependencies in all the projects. But, if you create another branch and modify the packages/sum-one/index.js file, running pnpm test:unit:affected would execute the unit tests of both packages, because modifying sum-one also affects to sum-two. From now, every time a formal release is declared in Github, the workflow will be triggered: And the packages will be built and published automatically: In this post we have seen how to build a continuous integration workflow for a Pnpm and Nx monorepo using Github actions. html 1919 Questions packages components website. Today, we are happy to announce the release of Nx 10.4 that includes the introduction of cleaner ESLint configuration, Pnpm compatibility, and more! But the problem is that we dont know which status checks will be executed on each different pull request, because not every job will be executed always. In the previous chapter of this series of posts, we analyzed the reasons for using a monorepo to maintain many Node.js dependent packages, and the requirements to have a good development and continuous integration workflow. This is a monorepo sample using pnpm while a bit overloaded with packages it shows you how easy is to create a monorepo setup with pnpm Each of the packages ( packages/**) has it's own readme to explain how to work inside that specific package Install first install pnpm npm i -g pnpm then run pnpm recursive install pnpm run build:lib reactjs 1913 Questions Now we are going to install Nx because it provides the other requirements that we saw in the previous post: Nx can also be installed globally, but I prefer to install it as a project dependency in order to define a specific version, so the same version is always used in all different local and remote environments. About. Unfortunately, using NextJS inside a monorepo takes a little bit of setup. I wanted to bring awareness that this stuff is really accessible. At this point, we are checking that every test of all affected projects is passing before allowing to merge a pull request, and we are running all tests in the main branch as an extra check. So, let's add a fake build script to the packages/sum-two/package.json file: You can check that the new script works properly by running: If the command above does not work, try cleaning the nx cache running pnpm nx reset. All commands run through root; Use in host, hook up my monorepo to render run commands; Filter and recursive "install:all": "pnpm recursive install", 1 At this point, we have a workflow that is able to detect which tasks should we execute depending on the affected projects. Nx is a set of Extensible Dev Tools for Monorepos, which we developed at Nrwl based on our experience working at Google and helping Fortune 500 enterprises build ambitious applications at scale. Then select Branches -> Add rule. string 110 Questions We are going to use the repository created in the previous post for the examples of this one. there is a small monorepo with two packages. forms 107 Questions Here we are going to use npm to install it: Now we can fill the package.json file with some basic info, and we can use Pnpm to install the dependencies. Related docs: https://pnpm.io/npmrc#node-linker Share Improve this answer Follow answered Oct 7 at 21:15 Zoltan Kochan 3,497 21 33 in npm, you can do this with something like this: 2 1 npm install react --workspace=a 2 I searched the docs and I can't find a way to do this in pnpm. For example, we can run the unit tests of sum-one: Note that we use pnpm nx to run any nx command through our workspace nx installed dependency instead of having it installed globally. In this blog post, we'll explore how to set up a simple monorepo for two npm packages. Its branching model and pipeline stages are oriented to a repository containing NPM packages, but it can be easily adapted to any other type of projects. code of conduct because it is harassing, offensive or spammy. echo "::set-output name=test-unit::$(node scripts/print-affected-array.js test:unit --all)" To speed up your tasks by leveraging Nx's powerful scheduling and caching capabilities. We have that information available in different Github Actions outputs, so we can create jobs dynamically in order to run each different task in parallel. This is the job that we are going to use to require the status check in order to let all of the other jobs finishing before allowing to merge the pull request. In this case, we cant make it incrementally because we have no branch to compare with, we are already in the main branch, so we will call to the Pnpm publish command and it will determine which packages are already published and will skip them. We will import this package and use it from the other one afterwards in order to see how we can define dependencies between projects in the monorepo workspace. TL;DR Options --offline Default: false That sure sounds relevant, so let's give it a try! firebase 177 Questions Currently, there is no way to throw a warning in this scenario. We will name sum-two to our new package, and it will depend on sum-one: Here is the content of the packages/sum-two/package.json file. As you can see, pnpm is strict not only when used with a single package.json but also in a multi-package repository. It means that both foo and bar will have access to the dependencies of each other. Adding Nx is a low impact operation that does not require any particular change to your repository like how your packages and scripts are organized. mkdir monorepo-nextjs cd monorepo-nextjs npm init Once unpublished, all posts by javierbrea will become hidden and only accessible to themselves. Dig in! As seen in the previous post, we are going to use Pnpm mainly to be able to link packages locally using its workspace feature. The example is valid if you are going to publish to the NPM registry, otherwise, you should also set up your own registry url in the Pnpm configuration before publishing. Afterwards we will expose some of the Nx commands that we need for our development workflow using our own package.json scripts. Note that here we are configuring Nx using the output from the previous job, so we have to declare the dependency using the needs property: Nx provides a command for listing the affected projects. In this post, you will see how npm Workspaces work, how to get started, and a comparison with other Workspace implementations. We will use it to get the list of projects in which each specific task should be executed. Support Monorepo. an iOS client and a web-application) These projects are most likely unrelated, loosely connected or can be connected by other means (e.g via dependency management tools) The repository is large in many ways: - Number of commits - Number of branches and/or . For example, let's add one script for running all unit tests of all packages in the workspace. DEV Community 2016 - 2022. So, I have omitted that extra configuration in order to keep the examples of this post as simple as possible. So, the things that we have to do to get the list of tasks to be executed for each affected project in an optimal format is: NOTE: If you are using a Pnpm version lower than 7.0, you should add an extra -- to the Pnpm commands before the Nx arguments: pnpm nx print-affected -- --target=[task] --files package.json --select=tasks.target.project. Now that we have defined our branching model and we know how the code is going to be promoted, lets see which tasks should the workflow run on each event of that model. Then we saw how to build a Pnpm and Nx monorepo. object 199 Questions jquery 1233 Questions In next posts of this series we'll see more advanced options. . To create the first Github action, add a file named .github/workflows/build.yml: For the moment we will add to it the configuration defining the events that will trigger it: We will need to know which is the base branch in many steps of our workflow in order to configure Nx properly and to be able to calculate the affected projects, for example. We generally use multiple git warehouses, but Monorepo's purpose is to manage multiple sub-projects with a Git repository, all submersers are stored in the root directory.packagesIn the directory, then a sub-project represents onepackage It will ignore the skipped matrixes, because sometimes no unit-test matrix will be created, or no test-e2e will be executed, etc. You can learn more about the nx interface in its API reference page. echo "::set-output name=test-e2e::$(node scripts/print-affected-array.js test:e2e origin/${{needs.branch-info.outputs.base-branch-name}})" react-hooks 181 Questions The scripts of each project can be executed independently from each package folder, and we can also define scripts for the workspace. dom 151 Questions It is called filtering in pnpm docs (see it here). vue.js 610 Questions If there was a build script in the sum-one package, it would execute it as well, because it is a dependency of the sum-two one. 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