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.
Questions tagged [yarnpkg-v2]
192 questions
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Difference of yarn classic and yarn 3(node_modules) dependency management methods
I'm using yarn 3 workspace with nodelinker: node_modules option.
As far as I know, using nodelinker: node_modules manages the library in the same way as yarn classic.
what is the difference between yarn 3 and yarn classic?
I'm wondering if there's…

Jason
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1 answer
yarn 3 install provides empty node_modules + npx scripts failures
I'm migrating my node repositories to yarn berry (v3) from yarn 1. So had a basic old school package.json and yarn.lock. And only a .yarnrc file to host npmjs token at user home folder. Nothing complicated.
Everything works well with all deps and…

MathKimRobin
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2 answers
yarn: export as normal ES6 module
Take a trivial example like this:
const myFunc = () => console.log("foo");
export const funcs = {myFunc};
I want to be able to import this with the browser's import() function and be able to access mod.funcs.
If I import that source code directly…

Sam Bull
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yarn install lint and test fails randomly on jenkins ci build
Team,
I am learning yarn and it is very wierd i get no logs to see what the issue is.
my build randomly fail and when i retry they work well. also every time i retry it is fresh jenkins pod agent that runs the pipeline so there is no cache issue i…

AhmFM
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Using Angular with Yarn PNP, how to include assets since there is no node_modules anymore?
In the latest angular-cli (16.0.2), it defaults to using yarn and pnp. With Yarn PNP the node_modules are done, and the packages remain in their zipped form. This is great, but I am wondering how I might be able to include some assets into my…

jr.
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1 answer
Why is yarn create react-app ./ not working
PS C:\Users\Lewis Wachira\OneDrive\Desktop\Snack Shark Restaurant> cd clientPS C:\Users\Lewis Wachira\OneDrive\Desktop\Snack Shark Restaurant\client> yarn create react-app ./yarn create v1.22.19[1/4] Resolving packages...[2/4] Fetching…
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Is there any way to speed up the yarn linking step in a docker multi-arch build?
So I am building a repository, leveraging Yarn 2 with offline dependencies and the node-modules linker. Linking on amd64 takes about 1.5 minutes, which is ok, but on arm64 it takes almost 20 minutes.
I understand that ARM is only emulated and…

MauriceNino
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1 answer
Yarn 2 run bin script from dependency with pnp
I have a custom dependency that has a bin script registered in the package.json:
//bin part of package json
"bin": {
"test123": "./scripts/testtest.js"
}
This script simply makes a console.log.
In my libary I can execute the script with yarn…

Materno
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1 answer
GitHub ci-test throwing "Your lockfile needs to be updated" even after I committed an updated Yarn lockfile
I was trying to merge my pull request to a repository. I got this error:
error Your lockfile needs to be updated, but yarn was run with --frozen-lockfile.
I figured this was due to my changes including new packages, so the lockfile has to be…

Nathan Tew
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0 answers
Expo: "Can't find variable: BigInt" and "Invariant Violation: "main" has not been registered" after deleting yarn.lock and reinstalling
I'm not a react-native expert. But when clone this repo: deep-links-movie-tutorial. I run yarn install then the app built successfully. However, if, after cloning the repo, I delete the yarn.lock file and then run yarn install, I get the…

Lê Văn Thành
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- 2
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How to check the versions of dependencies with yarn 2?
With yarn 1, there was a way to check the currently installed packages for dependency conflicts or for other problems, with the yarn check command, as we can see, for example, here.
How can I do the same with yarn 2?

peterh
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Yarn build causes next.js site to crash for a minute till it finishes
as the title pretty much says it all, yarn next build/yarn build causes the website to return 'internal server error'.
It is hosted on ubuntu with nginx, this is the one-liner I made and use to 'deploy'
yarn next build && pm2 delete WEBSITENAME &&…

ThomasDEV
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How to properly set up new Node project with Yarn and its `pnp` strategy?
I'm thoroughly following Yarn's installation and usage manual, but immediately stumble upon this error:
enc@alpha:~/Projects/personal/yarn-test/src$ node app.js
node:internal/process/esm_loader:97
…

yar
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votes
2 answers
yarn installing esbuild "@esbuild/darwin-arm64" instead of "@esbuild/linux-arm64" on Docker
I'm setting up a Rails 7 application using Tailwind CSS and ES Build.
The application was built using the following command:
rails new app -d postgresql --css=tailwind --javascript=esbuild
When I run the application in the docker container, I keep…

RailsOverflow
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Why lerna publish command fails with 503 Service Unavailable?
Trying to execute script from package.json in folder Web "lerna publish --no-private --no-git-tag-version --no-push". Process fails with lerna ERR! E503 503 Service Unavailable - PUT. So it looks like problems with corporate proxy. But at the same…

Vera
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