.rubocop.yml

AllCops:
  TargetRubyVersion: 2.6

# It's very common to do this.
#
# f.input :thing,
#   key: value,
#   this: that
Layout/ArgumentAlignment:
  Enabled: false

Layout/EmptyLinesAroundAccessModifier:
  EnforcedStyle: 'around'

Layout/CaseIndentation:
  EnforcedStyle: 'end'

# Makes the "block" of modified methods obvious. We prefer inline modifiers.
Layout/IndentationConsistency:
  EnforcedStyle: 'indented_internal_methods'

Layout/MultilineArrayBraceLayout:
  EnforcedStyle: 'new_line'

Layout/MultilineMethodCallBraceLayout:
  EnforcedStyle: 'new_line'

# good
# foo.bar
#   .this
#   .that
Layout/MultilineMethodCallIndentation:
  Enabled: false

# We have widescreens.
Layout/LineLength:
  Max: 100

Layout/SpaceAroundMethodCallOperator:
  Enabled: true

# Useful to separate conceptual expressions.
Layout/SpaceInsideParens:
  Enabled: false
Layout/SpaceInsideBlockBraces:
  Enabled: false
Layout/SpaceInsideHashLiteralBraces:
  Enabled: false
Layout/TrailingEmptyLines:
  Enabled: false

Lint/RaiseException:
  Enabled: true

Lint/StructNewOverride:
  Enabled: true

# Has no effect on anything.
Layout/TrailingWhitespace:
  Enabled: false

Metrics/MethodLength:
  # The default of 10 is too tight.
  Max: 30

Style/ExponentialNotation:
  Enabled: true

# Turn this on if we upgrade to Ruby 3.0.
Style/FrozenStringLiteralComment:
  Enabled: false

Style/HashEachMethods:
  Enabled: true

Style/HashTransformKeys:
  Enabled: true

Style/HashTransformValues:
  Enabled: true

# `unless cond` confuses a lot of people. Don't enforce it.
Style/NegatedIf:
  Enabled: false

# These are handy for clarity over large text blocks, not just for
# avoiding escaping quotes.
Style/RedundantPercentQ:
  Enabled: false

# It's important to know if it's really returning a value,
# or if it just happens to be the last evaluated expression.
Style/RedundantReturn:
  Enabled: false

# Doesn't hurt to have them, and it can add grammatical clarity.
Style/Semicolon:
  Enabled: false

# This is a place where inconsistency is fine.
# Editor coloring will catch a mistake.
Style/StringLiterals:
  Enabled: false