This is the message output when you want to update the version of a package and you execute a (not good) command without thinking about it.
$ yarn upgrade [package name]
Usage Error: Couldn't find a script named "upgrade".
This section describes how to check and take action when this message is output.
目次
Checking the version of yarn
Check the version of yarn. This is something we wanted to carry out before running it.
$ yarn --version
3.4.1
Upgrading the package
When the version of yarn is 3.4.1, it changes to the following command, so run yarn up
to update it.
$ yarn up [package name]
yarn up | Yarn
Upgrade dependencies across the project.
The yarn upgrade
command is for Yarn 1 (Classic), so use yarn up
if the version is 2 or higher.
Yarn
Fast, reliable, and secure dependency management.
Summary
It is recommended that the version of the CLI is recognised and executed so that the correct commands can be executed.