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Questions tagged [yarnpkg-v2]

Use this tag for version specific questions about Yarn version 2.x. Yarn is an open-source JavaScript package manager created by Facebook, Exponent, Google, and Tilde. When using this tag also include the more generic [yarnpkg] tag where possible.

192 questions
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Can you use Yarn2 PnP "zero-installs" on a machine without Yarn?

I'm playing with Yarn 2's "zero install" stuff for a minor tool to address one of my boss's random allergies. (He takes umbrage at the expectation of having to run npm i on a cloned repo to make it work and insists putting node_modules into version…
millimoose
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How can bundle a monorepo node project into a single file? trying with ncc

so I've got a tree something like ├── package.json ├── tsconfig.json └── packages ├── lib1 │   ├── package.json │   ├── src │   │   ├── index.ts │   └── tsconfig.json ├── lib2 │   ├── package.json │   ├── src │  …
xenoterracide
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1 answer

How to configure Yarn Berry, Eslint with GlobalCache in VsCode?

Is there a way to install EsLint with Yarn Berry with yarn option enableGlobalCache: true in VsCode ? I installed the ESLint (dbaeumer.vscode-eslint) extension and all dependencies : "devDependencies": { "@babel/core": ">=7.12.0 <8.0.0", …
Vincent
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ts-jest disable babel, babel still appears to be running

So the docs say it should not be; but I'm seeing this output. ➤ YN0000: [@bb/graph]: [BABEL] Note: The code generator has deoptimised the styling of /home/runner/work/services/services/.pnp.js as it exceeds the max of 500KB. > yarn info -A…
xenoterracide
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2 answers

How do I downgrade from Yarn2 to Yarn1?

I'm using macOS and after installing Yarn2 several important tools no longer function. I've logged issues with them but in the meantime I need to get back to Yarn Classic. brew uninstall yarn and then tried brew install yarn@1.22.5 but this failed…
BillSaysThis
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1 answer

Yarn 2: `yarn version check` during CI always errors

When running yarn version check locally everything goes smoothly and reports issues correctly, however when our Github Action runs it we get the following error: YN0001: UsageError: No ancestor could be found between any of HEAD and main,…
jjenzz
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2 answers

How to list and use packages in Yarn 2?

Since I'm a beginner with Yarn, therefore I have followed the current Yarn tutorial, and it describes Yarn 2. So I have installed Yarn 2. yarn --version command gives 2.0.0-rc.34. But Yarn 2 seems to lack a command to show the list of the packages…
Kydesnic
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Storybook 5.3 issue with yarn version 2

For a project requirement, I am configuring storybook 5.3 for react component development. I am using Yarn version 2 as the package manager.I've done all the steps mentioned in the storybook tutorial. but when starting the storybook using 'yarn…
vimal
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How does Yarn install decide whether to throw YN0070 and use node_modules vs PnP?

I have 2 different branches in my project. When I do yarn install in one of them, it starts off with: ➤ YN0070: Migrating from Yarn 1; automatically enabling the compatibility node-modules linker ... then continues. This creates a .yarnrc.yml file…
Nathan Tew
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Run Yeoman via `yarn dlx`

I am looking to dabble in VS Code extension development. Their documentation suggests using Yeoman to generate the base project. I use yarn as my Node package manager, so I need to use yarn dlx to run the command (yarn global installs are no longer…
dawsonc623
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.pnp.cjs gets deleted when running yarn install

We have a project running with yarn PnP and things were running smoothly. In my local machine, however, I must have done something wrong because now whenever I run "yarn install" the .pnp.cjs file and .pnp.loader.mjs are getting deleted.
Lucas
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Prevent dev dependencies in Yarn 3 cache folder with PNP

I am utilizing Yarn 3 with the Plug'n'Play (PNP) feature for zero-installation of the dependencies in my development environment, which works well. However, when I run a production build, the .yarn/cache folder also includes dev-dependencies,…
ashish67
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How to add package from sub-directory of monorepo with yarn

I have a fork of the expo monorepo that has changes in only one of the sub-packages (e.g. expo-speech). I want to import only that sub-package in my application. Given these parameters: GitHub organization: my-org Repo: expo Branch:…
gabe
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Why am i receiving so many warnings about peer dependencies when using Yarn?

I have just started using Yarn for the first time in a bare react native project. I started adding all dependencies that I need one-by-one. When I ran this one yarn add geofirestore, it showed many warnings after adding it: Now, every time I run a…
showtime
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How to set yarn version for a specific project

I have 2 projects which I need to run parallely on my local machine. Problem is, one of the project is using Yarn 3 and other one is using Yarn 1. Steps given on Yarn's website https://yarnpkg.com/getting-started/install, sets the version globally,…
Mahesh
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