This setup generates a code-coverage report and uses ts-jest which allows us to use TypeScript. To get our tests to run, we need to create a Jest configuration file located at the root of our project ( ). The package.json needs to modified to NPM where to find the packages will be located. npm install -save-dev typescript jest ts-jest packages will be located in the packages directory. We'll be using jest as the test framework. As we see later, lerna and yarn workspaces give us the ability to build libraries and apps in a single repo without forcing us to publish to npm or other registries. Managing these dependencies are implemented by symlinks. checkout - node/install: install-yarn: true node-version: 16.13 - run. Next we can install some dependencies that we'll use to compile and test our packages. Packages might have dependency relations between each other. version: 2.1 orbs: node: circleci/nodex.y jobs: install-node-example: docker. The first thing we need to do is create a directory for our project and initiate a private NPM package. ui typescript client & server with eslint linting and yarn workspaces. Step 1: Setting up the top-level NPM project 01ms Dependencies esextended or qb-core Check my other scripts: ESX QB. In a couple of steps I'll walk through setting up a multi-package mon0-repo for a TypeScript project that uses Jest for testing. After figuring out how to do it, I thought I'd share this for those who are looking to do the same. It wasn't immediately clear how to set this up. While I was setting up a project, I tried to search for a way to combine workspaces with scoped packages. Since version 7 NPM follows suit by adding support for workspaces, opening up the world of multi-package tooling for NPM-only users. this.Lerna and Yarn workspaces provide tools to ease the lives of multi-package mono-repo maintainers. Process.exitCode = await ( || ), binPath. To avoid unexpected results, please rename the script in package.json`) Ĭonst dir = await this.getBinaryPackageDirectory(fs, path, cmd, ownPackageJson) Ĭonst pkg = JSON.parse(await fs.promises.readFile(path.join(dir, "package.json"), "utf-8")) Ĭonst packageRelativeBinPath = typeof pkg.bin = "object"Ĭonst binPath = path.join(dir, packageRelativeBinPath) "start-storybook": ,įor (const k of Object.keys(npmBinsToPackageName)) ' is defined in package.json but the 'plugin-root-bin' also defined it. Packages don't have to be added as depenendencies everywhere. When running inside of an individual package. Plugin that automatically runs selected binaries from the root, even eslint-disable import/no-unresolved, */ Any explanations or links highly appreciated □īeta Was this translation helpful? Give feedback. What was wrong with existing approach? I want to be able to control commons packages in one place and define execute scripts per package when I need to. separation of concerns I would like to isolate many scripts per package, there are enough existing use cases (noted in comments above).How to use it Add the following in a package.json file. Yarn will use a single lockfile rather than a different one for each project, which means fewer conflicts and easier reviews. scalability consider 20 packages in monorepo, won't scale (to me) to handle all scripts in single root file All your project dependencies will be installed together, giving Yarn more latitude to better optimize them.simplicity define top level dependencies in one place must be supported in monorepo.Running these commands in the root? defining the package scripts there? Maybe I missed something, if anyone can share a link please do (find this discussion wasn't easy) Feels like a breaking change and migration should provide enough information or recommended solution to minimize side effects. It would be nice to have official migration steps to handle this one. I tried it, some of the scripts still produce unexpected results so it won't work out of the box for migration of existing projects / monorepos.
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