AllCops:
  TargetRubyVersion: 2.3
  DisplayCopNames: true
  Exclude:
    - db/schema.rb
    - "**/*/node_modules/**/*"

# Do not sort gems in Gemfile, since we are grouping them by functionality.
Bundler/OrderedGems:
  Enabled: false

# Add a comment before each gem in Gemfile.
Bundler/GemComment:
  Enabled: true

# Trailing commas are required on multiline method arguments.
Style/TrailingCommaInArguments:
  EnforcedStyleForMultiline: comma

# Trailing commas are required in multiline arrays.
Style/TrailingCommaInArrayLiteral:
  EnforcedStyleForMultiline: comma

# Trailing commas are required in multiline hashes.
Style/TrailingCommaInHashLiteral:
  EnforcedStyleForMultiline: comma

# Allow indenting multiline chained operations.
Layout/MultilineMethodCallIndentation:
  EnforcedStyle: indented

# Allow not adding parentheses around blocks in DSLs.
# E.g.:
#     expect { … }.to change { … }
Lint/AmbiguousBlockAssociation:
  Exclude:
    - spec/**/*

# Limit method length (default is 10).
Metrics/MethodLength:
  Max: 15

# Limit class length (default is 100).
Metrics/ClassLength:
  Max: 200

# Do not require `# frozen_string_literal: true` at the top of every file.
FrozenStringLiteralComment:
  Enabled: false

# Allow ASCII comments (e.g "…").
Style/AsciiComments:
  Enabled: false

# Do not comment the class we create, since the name should be self explanatory.
Documentation:
  Enabled: false

# Do not verify the length of the blocks in DSLs.
Metrics/BlockLength:
  Exclude:
    - "**/*/spec/**/*"
    - lib/tasks/**/*
    - app/admin/**/*
  ExcludedMethods:
    - included

# Allow any number of keyword arguments in methods.
Metrics/ParameterLists:
  CountKeywordArgs: false

# Prefer `a_variable_1` to `a_variable1`.
Naming/VariableNumber:
  EnforcedStyle: snake_case

# Prefer `== 0`, `< 0`, `> 0` to `zero?`, `negative?` or `positive?`,
# since they don't exist before Ruby 2.3 or Rails 5 and can be ambiguous.
Style/NumericPredicate:
  EnforcedStyle: comparison

# This cop by default assumes that `Rails.root.join('foo', 'bar')` works
# better under Windows than `Rails.root.join('foo/bar')`.
Rails/FilePath:
  EnforcedStyle: slashes

# Do not checks for the use of output safety calls like `html_safe` and `raw`,
# we know what we are doing.
Rails/OutputSafety:
  Enabled: false

# Allow `update_attribute`, we know when to use it.
Rails/SkipsModelValidations:
  Enabled: false

# Allow creating tables without timestamps, whe know what we are doing.
Rails/CreateTableWithTimestamps:
  Enabled: false

# Allow template token "%{foo}" since they are used in translation keys.
Style/FormatStringToken:
  Enabled: false

# Do not prefer `lambda` to `->` for DSLs.
Style/Lambda:
  Exclude:
    - app/graph/**/*