Rails-DeprecatedActiveModelErrorsMethods.md

Pattern: Use of deprecated ActiveModel#errors

Issue: -

Description

This rule checks direct manipulation of ActiveModel#errors as hash. These operations are deprecated in Rails 6.1 and will not work in Rails 7.

Examples

# bad
user.errors[:name] << 'msg'
user.errors.messages[:name] << 'msg'

# good
user.errors.add(:name, 'msg')

# bad
user.errors[:name].clear
user.errors.messages[:name].clear

# good
user.errors.delete(:name)

Further Reading

• Rails - Rails/DeprecatedActiveModelErrorsMethods