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node.jsnpmyarnpkg

Why doesn't my 'npm install --global yarn' work?

After running npm install --global yarn, I get an output that says:

> [email protected] preinstall C:\Users\(me)\AppData\Roaming\npm\node_modules\yarn
> :; (node ./preinstall.js > /dev/null 2>&1 || true)

C:\Users\(me)\AppData\Roaming\npm\yarn -> C:\Users\(me)\AppData\Roaming\npm\node_modules\yarn\bin\yarn.js
C:\Users\(me)\AppData\Roaming\npm\yarnpkg -> C:\Users\(me)\AppData\Roaming\npm\node_modules\yarn\bin\yarn.js
+ [email protected]
updated 1 package in 0.389s

When I run "yarn serve" it tells me that 'yarn' is not recognized as a command. I've tried this in powershell and CMD and neither works.

Solution

  • It ended up being a path issue. I used npm list -g to reveal where yarn was installed. Then I searched for "Edit the environment variables" in Windows and added the containing folder to the PATH.

    I also updated my node and npm to the latest versions before doing these steps.