The following error may appear in the Rails development environment when executing commands, despite recently updating Yarn packages:
"warning Integrity check: Flags don't match error Integrity check failed error Found 1 errors. ======================================== Your Yarn packages are out of date! Please run `yarn install --check-files` to update. ======================================== To disable this check, please change `check_yarn_integrity` to `false` in your webpacker config file (config/webpacker.yml)."
This can be triggered by running
rails assets:precompile during local development.
There are two options for correcting the error, both explained in the message output:
- Always run
rails assets:precompilein the dev environment
/config/webpacker.ymlwith the suggested change, setting
The issue is discussed in greater detail in this Webpacker repo thread.