Use the RuboCop Rails config #4471
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I'm uncertain about this one. According to the documentation: "this cop checks rake task definitions to ensure they include the environment dependency. The environment dependency is essential because it loads the application code for the rake task. Without it, the rake task cannot use application code, like models." However, I don't see this cop being configured in other applications that use the Rails.yml configuration.
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What
Use the RuboCop Rails config and fix the offenses identified by the following cops:
Rails/Blank,Rails/Presence,Rails/PresentRails/DelegateRails/FilePathRails/OutputRails/RakeEnvironmentRails/TimeZoneStyle/RedundantParenthesesWhy
For consistency with other frontend applications that use the Rails configuration. See #2626
Anything else
HelperInstanceVariableoffenses are still not being detected which is because RuboCop only checks view helpers located in/app/helpers. See https://github.com/rubocop/rubocop-rails/blob/master/config/default.yml#L553-L558Rails/RakeEnvironment. RuboCop autocorrect applies this change by default, but I’m not sure whether we should keep it or if disabling that specific cop might be a better approach