How to make create-react-app use npm instead of yarn?
You can either 1) Remove yarn.lock, and running npm i, or 2) Run create-react-app app –use-npm
yarnpkg
Issue with babel-jest dependency when running npm start in a React app
I just had the same problem. For some reason the package ended up in a node_modules directory in my home directory. It also gave me the exact same error for the jest package. I’m not sure of the correct way to fix this as npm uninstall -g babel-jest and yarn global remove babel-jest do not … Read more
Yarn v2 gitignore
See the Questions & Answers section of the documentation. It has changed several times, so for the most up to date answer just click that link! But in the StackOverflow spirit of “no link-only answers” here’s a snapshot: Which files should be gitignored? If you’re using Zero-Installs: .yarn/* !.yarn/cache !.yarn/patches !.yarn/plugins !.yarn/releases !.yarn/sdks !.yarn/versions If … Read more
How to know the version of currently installed package from yarn.lock
Since, you know the name of the package, do this: yarn list –pattern <package_name> The above command will get you all installed versions of a package at any depth. For example, I have different versions of camelcase library installed at various depths. On running the command : yarn list –pattern “camelcase”, this is the output: … Read more
Install devDependencies and dependencies together with yarn
I don’t think it is possible. Documentation does not specify such option, and if you provide at least one flag modifying type of dependencies – all dependencies specified in a command will become this type. If you really want to be one command to paste into command line you could do this: yarn add react … Read more
Yarn: unable to verify the first certificate
If the certificate is unable to be verfied, you can open set strict-ssl to false. You should be able to configure this by runnning yarn config set “strict-ssl” false -g But the command is currently not working, see issue 980. As an alternative you can navigate to C:\Users\\ and open .yarnrc and manually update it … Read more
How to sync `yarn.lock` with `package.json`?
Run yarn install, or just yarn. The lock file is updated in its entirety on any change to dependencies, i.e. when you run a yarn command. From the Yarn docs: Your yarn.lock file is auto-generated and should be handled entirely by Yarn. As you add/upgrade/remove dependencies with the Yarn CLI, it will automatically update your … Read more
What is the difference between yarn.lock and npm’s shrinkwrap?
The yarn.lock file is quite similar to other package managers’ lock files, especially Rust’s Cargo package manager, which has Cargo.lock. The idea of these lock files is to represent a consistent set of packages that should always work. npm stores dependency ranges in the package.json file, which means that when someone installs your package, they … Read more
What is main difference between yarn and npm? [closed]
There were times when we had only npm but it had so many issues with resolving dependencies and caching that another tool has born (yarn). Usually it was using local cache to resolve dependencies and it was crucial for example while running CI jobs which are almost always ran in same environment and high bandwidth … Read more
How to increase the timeout for `yarn install`
Try using the network-timeout flag with a delay in milliseconds, like this: yarn install –network-timeout 1000000000