Rails-SafeNavigation.md

Pattern: Missing safe navigation operator (&.)

Issue: -

Description

This rule converts usages of try! to &.. It can also be configured to convert try. It will convert code to use safe navigation if the target Ruby version is set to 2.3+

Examples

# ConvertTry: false
  # bad
  foo.try!(:bar)
  foo.try!(:bar, baz)
  foo.try!(:bar) { |e| e.baz }

  foo.try!(:[], 0)

  # good
  foo.try(:bar)
  foo.try(:bar, baz)
  foo.try(:bar) { |e| e.baz }

  foo&.bar
  foo&.bar(baz)
  foo&.bar { |e| e.baz }

# ConvertTry: true
  # bad
  foo.try!(:bar)
  foo.try!(:bar, baz)
  foo.try!(:bar) { |e| e.baz }
  foo.try(:bar)
  foo.try(:bar, baz)
  foo.try(:bar) { |e| e.baz }

  # good
  foo&.bar
  foo&.bar(baz)
  foo&.bar { |e| e.baz }

Default configuration

Attribute	Value
ConvertTry	false

Further Reading

• RuboCop - Rails/SafeNavigation