I used yarn v1 as the build system in the local environment because VSCode didn't recognize yarn v3.
I might also have to apply the local environment to yarn v3 someday because being differences build system in the local and production environments have a risk of breaking the build system.
https://github.com/users/hokke-nikuatsu/projects/2/views/1?pane=issue&itemId=48379959
I used yarn v1 as the build system in the local environment because VSCode didn't recognize yarn v3. I might also have to apply the local environment to yarn v3 someday because being differences build system in the local and production environments have a risk of breaking the build system.