Questions tagged [yarnpkg]
This tag is for Yarn v 1.x. See version-specific tags, as version differences are significant. Yarn is an open-source JavaScript package manager. With Yarn, engineers have access to the npm registry and can install packages quickly, and manage dependencies consistently across machines or in secure offline environments.
yarnpkg
4,143
questions
584
votes
9
answers
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views
Should I commit the yarn.lock file and what is it for?
Yarn creates a yarn.lock file after you perform a yarn install.
Should this be committed to the repository or ignored? What is it for?
- 10.3k
493
votes
5
answers
415k
views
How to clear cache in Yarn?
I am doing some benchmark tests for Facebook's Yarn. For this, I need to clear my global Yarn cache.
Is there a command available for this? I have force-removed my ~/.yarn-cache folder, but this ...
- 21.1k
452
votes
25
answers
452k
views
Yarn install command error No such file or directory: 'install'
I am installing sylius bundle and while install sylius I need to run yarn install So
While I run the command:
yarn install
I get the error:
ERROR: [Errno 2] No such file or directory: 'install'
- 4,777
366
votes
26
answers
551k
views
The engine "node" is incompatible with this module
I am getting below yarn error when deploying to AWS:
error [email protected]: The engine "node" is incompatible with this module. Expected version ">=6 <7 || >=8". Got "...
- 5,902
363
votes
6
answers
164k
views
What is the closest to `npm ci` in yarn
In npm, there's a ci command for installing the project with a clean state. In the documentation, it is claimed that:
It can be significantly faster than a regular npm install by skipping
certain ...
- 24.3k
324
votes
26
answers
420k
views
'TypeError [ERR_INVALID_ARG_TYPE]: The "path" argument must be of type string. Received type undefined'
I'm working on a project in React and ran into a problem that has me stumped.
Whenever I run yarn start I get this error:
TypeError [ERR_INVALID_ARG_TYPE]: The "path" argument must be of ...
- 3,351
306
votes
34
answers
410k
views
error /node_modules/node-sass: Command failed
When I tried install vue store front in my local but when I tried "yarn install" command I get following error. How can I solve this error? How can I solve this error?
error /var/www/html/vue-...
- 3,581
263
votes
24
answers
348k
views
Yarn: How to upgrade yarn version using terminal?
How should yarn be upgraded to the latest version?
- 5,007
262
votes
31
answers
561k
views
How do I uninstall Yarn?
How can I uninstall yarn? I've used it for a react-native project and now whenever I move the code out of index.ios.js or index.android.js it throws an error so I'd like to just use npm but whenever I ...
- 7,021
250
votes
6
answers
117k
views
"You are running create-react-app 4.0.3 which is behind the latest release (5.0.0)" [duplicate]
I got an error while creating a React application. How do I fix it?
- 4,607
248
votes
7
answers
213k
views
How to install package from github repo in Yarn
When I use npm install fancyapps/fancybox#v2.6.1 --save, so fancybox package at v2.6.1 tag will be installed. This behavior is described in docs
I want to ask, how to do this with yarn?
Is this ...
- 3,120
241
votes
31
answers
303k
views
Yarn - There appears to be trouble with your network connection. Retrying
I have been trying to do the quickstart guide for react native, but kept getting this error
There appears to be trouble with your network connection. Retrying...
My connection works just fine.
- 2,425
214
votes
7
answers
63k
views
When to use Yarn over NPM? What are the differences?
What are the differences between Yarn and NPM?
At the time of writing this question I can only find some articles on the Internet showing what's the Yarn equivalent of an NPM command.
Do they have the ...
- 4,101
210
votes
15
answers
297k
views
Yarn global command not working
I'm working with Yarn v0.16.1. If I understand correctly (according to the documentation), yarn global add <package> should be the equivalent of npm install -g <package>. However, when I ...
- 2,706
204
votes
12
answers
256k
views
Yarn - How do I update each dependency in package.json to the latest version?
I have a react app with deprecated dependencies. To make it work, I have to update the dependencies to their newer (but stable) versions.
As per this stakoverflow thread, to update dependencies in ...
- 13.4k
201
votes
4
answers
213k
views
How to install package with local path by Yarn? It couldn't find package
In my package.json I'm pointing local package my-custom-i18n by its relative path:
package.json
"dependencies": {
"core-js": "^2.4.1",
"my-custom-i18n": "...
- 10.3k
188
votes
15
answers
224k
views
Module not found: Error: Can't resolve 'core-js/es6'
I've got a problem with my build process in relation to my React app.
I always get the following error:
Module not found: Error: Can't resolve 'core-js/es6'
if I use this in a polyfill.js:
import '...
- 2,092
179
votes
15
answers
99k
views
error: no template named 'remove_cv_t' in namespace 'std'; did you mean 'remove_cv'?
My problem seems similar to this issue, except it happens when I run yarn install in a rails app.
When I run yarn install, it runs successfully for some time, then
../src/libsass/src/ast.hpp:1614:25: ...
- 48.3k
179
votes
7
answers
121k
views
Should I commit yarn.lock and package-lock.json files?
We're using yarn for all our deterministic pkg installations but don't prevent the user from using npm - I'm guessing having both these files will cause issues however. Should one be added to your ....
- 2,040
177
votes
5
answers
177k
views
npm equivalent of yarn resolutions?
Is there an npm equivalent of the yarn resolutions functionality? There is no mention of it in the npm package.json docs.
For example, I want to install [email protected] and one of its dependencies (@lerna/...
- 3,268
169
votes
19
answers
328k
views
Support for the experimental syntax 'jsx' isn't currently enabled
I'm trying to run very simple code, but I'm getting an error, I didn't use the create react app!
It looks like my babel.config.js file is being ignored!
This is the structure of my small project:
My ...
- 1,921
163
votes
3
answers
127k
views
What is the equivalent of "npm install <package_name> --save" in Yarn?
I am using Yarn to install the dependencies of my project. What is the equivalent of "npm install <package_name> --save " in Yarn to update the entry in my package.json file? I can use ...
- 3,204
161
votes
4
answers
74k
views
How do you resolve Git conflicts in yarn.lock
When multiple Git branches modify the dependencies in a project that uses Yarn, it is likely to introduce a conflict in the yarn.lock file. It is not a good idea to delete and regenerate the yarn.lock ...
- 22.3k
153
votes
2
answers
105k
views
Run yarn in a different path
Is there a way to specify a working directory for yarn? This would be different then the --modules-folder option. Specifically, I'm trying to run the yarn install command from a location outside of ...
- 2,617
146
votes
3
answers
103k
views
How do I override nested dependencies with `yarn`?
If my package has these dependencies
{ "name": "my-package",
"dependencies": { "foobar":"~1.0.3", "baz":"2.0.9" }
And the foobar package has these dependencies
{ "name": "foobar",
"dependencies"...
- 38.7k
145
votes
3
answers
100k
views
What does 'has unmet peer dependency' mean when installing a package with yarn?
I have a fresh install of yarn (via npm install yarn -g) and tried to install a few packages with
yarn add vue-loader babel-loader style-loader css-loader file-loader webpack
I then got a few ...
- 29.1k
144
votes
3
answers
173k
views
How to update package-lock.json without doing npm install?
Question
What is the way to update/generate package-lock.json without making a real installation of node_modules (what npm install does)?
I want just a valid package-lock.json based on my package.json,...
- 17.3k
142
votes
12
answers
125k
views
Yarn ERROR: There are no scenarios; must have at least one
I tried to install Yarn and when I used the yarn command I got:
00h00m00s 0/0: : ERROR: There are no scenarios; must have at least one.
my yarn --version is 0.32. Why doesn't it work?
- 60k
142
votes
9
answers
154k
views
Why is WSL extremely slow when compared with native Windows NPM/Yarn processing?
I am working with WSL a lot lately because I need some native UNIX tools (and emulators aren't good enough). I noticed that the speed difference when working with NPM/Yarn is incredible.
I conducted a ...
- 1,868
138
votes
12
answers
100k
views
is there a yarn alternative for npm audit?
need pinned resolution feature of yarn, but also want to audit with npm audit? Is there a yarn alternative to npm audit? Or, alternately, will pinning resolutions of dependencies of dependencies work ...
- 2,537
137
votes
3
answers
86k
views
When installing packages with Yarn, what does "incorrect peer dependency" mean?
I've just cloned a repo, which recommends the use of Yarn to install dependencies. When I run yarn install, it seems to be okay, but it provides this warning:
yarn install v0.20.3
[1/4] 🔍 Resolving ...
- 12.3k
129
votes
6
answers
161k
views
How to ignore incompatible engine "node" error on installing npm dependencies with yarn?
Given this package.json:
{
"name": "yarn-install-fail",
"version": "1.0.0",
"description": "",
"main": "index.js",
"scripts": {},
"author": "",
"license": "ISC",
"dependencies": {
...
- 64.7k
126
votes
8
answers
248k
views
How do I force Yarn to reinstall a package?
My project has a dependency that I sometimes get from a package server and sometimes get from a local copy I have on my machine. As a result, I frequently need to have Yarn switch where it looks for ...
- 15.6k
120
votes
10
answers
162k
views
I have a "license" in my package.json, why is npm/yarn saying it is missing?
On running yarn install I see a warning every time that there is no license filed even though I have defined one:
$ jq . package.json
{
"name": "license-example",
"version": "1.0.0",
"main": "...
- 64.7k
117
votes
2
answers
144k
views
Node engine 8.x or 10.x in package.json
I tried to specify the node engine in a package.json to accept both 8 and 10 version.
I tried to type this:
"engines": {
"node": "8.x|10.x"
},
But running yarn results in:
The engine "node" is ...
- 31.4k
111
votes
6
answers
148k
views
Yarn not installing in nvm version node version
I'm running into an issue with yarn when I change my nvm version of node.
I noticed when I check my ~/.nvm folder I see two node versions.
v8.11.0
v8.11.3.
I installed yarn globally. using npm ...
- 5,609
104
votes
10
answers
202k
views
How do I change the version of yarn used?
I used Homebrew to install yarn. Running yarn -v shows that I currently use 0.23.2. I ran brew upgrade yarn to get the latest version, which is 0.24.6.
After Homebrew successfully upgrades yarn, I run ...
- 10.1k
103
votes
7
answers
243k
views
What does " yarn build " command do? Are " npm build " and "yarn build" similar commands?
What does yarn build command do ?
Are yarn build and npm build the same? If not what's the difference?
- 1,435
102
votes
8
answers
115k
views
How to install a list of many global packages with Yarn
yarn install -h suggests that the -g (global) option is DEPRECATED. How am I supposed to indicate that I want a bunch of packages (from package.json / yarn.lock files) to be installed globally?
...
- 3,056
101
votes
7
answers
123k
views
Docker COPY files using glob pattern?
I have a monorepo managed by Yarn, I'd like to take advantage of the Docker cache layers to speed up my builds, to do so I'd like to first copy the package.json and yarn.lock files, run yarn install ...
- 14.6k
99
votes
18
answers
46k
views
Could not find plugin "proposal-numeric-separator"
How to fix Could not find plugin "proposal-numeric-separator", I get this error when I try to build my React application, I have not ejected the application yet:
./src/index.js
Error: [BABEL] /home/...
user7075574
97
votes
3
answers
107k
views
How can I update/downgrade package version with yarn?
I have a package and I want to downgrade the version use. How can I do this with yarn "dependencies"?
- 1,081
92
votes
7
answers
174k
views
punycode is deprecated in npm - what should I replace it with?
I'm using the npm module punycode in my Angular project.
VsCode tells me it's deprecated and https://nodejs.org/api/punycode.html#punycode_punycode
confirms:
The version of the punycode module ...
- 8,091
87
votes
22
answers
104k
views
An unexpected error occurred: "EPERM: operation not permitted in Yarn
I am having problems installing new npm packages with Yarn. Every time I go on to add a new package it's throwing me this error. But when I delete my node_modules folder and run Yarn, everything works ...
- 3,476
87
votes
7
answers
82k
views
How can I version bump all my dependencies?
Having yarn outdated is quite informative but I'd like to avoid running over package by package doing yarn upgrade.
From yarn's documentation, just yarn upgrade without arguments is said to upgrade ...
- 3,613
85
votes
5
answers
93k
views
Jest test fails with "window is not defined"
I am trying to get started with state-of-the-art web development learning React and Redux.
Right now I am stuck at getting tests running. For some reason, Jest fails with
Task :frontend:test
yarn jest ...
- 2,129
84
votes
4
answers
58k
views
Why wouldn't I use npm to install yarn?
In the blog post announcing yarn (an alternative npm client) they say, "The easiest way to get started is to run npm install -g yarn". But if you go to the "install yarn" page in their docs, "npm ...
- 1,235
83
votes
6
answers
85k
views
Install Yarn Ubuntu 16.04 (Linux Mint 18.1)
I have a new installation of Linux Mint 18.1 with Ubuntu 16.04.
I have installed Node 6.10.0.
When doing the command that indicates the documentation of Yarn:
sudo apt-get update && sudo apt-...
- 1,819
83
votes
6
answers
49k
views
How can I update global packages in Yarn?
I tried some possible CLI commands but none seem to actually update the packages installed with yarn global add.
yarn global upgrade & yarn upgrade global both don't work correctly. Is there a ...
- 1,191
82
votes
4
answers
142k
views
What is the difference between yarn run and npm start?
Is yarn run intended to be the equivalent of npm start?
- 7,633