BuildScripts/xcode/.swiftlint.yml

opt_in_rules:

  # performance

  - first_where
  - last_where
  - empty_string
  - empty_count

  # idiomatic

  - legacy_random
  - pattern_matching_keywords
  - redundant_nil_coalescing
  - redundant_type_annotation
  - static_operator
  - toggle_bool
  - joined_default_parameter
  - implicitly_unwrapped_optional
  - convenience_type
  - object_literal
  - force_unwrapping
  - force_cast
  - force_try
  - fatal_error_message
  - extension_access_modifier
  - explicit_init

  # style

  - literal_expression_end_indentation
  - multiline_function_chains
  - multiline_literal_brackets
  - multiline_parameters
  - operator_usage_whitespace
  - switch_case_on_newline
  - unneeded_parentheses_in_closure_argument
  - vertical_parameter_alignment_on_call
  - vertical_whitespace_between_cases
  - vertical_whitespace_closing_braces
  - yoda_condition
  - number_separator
  - let_var_whitespace
  - implicit_return
  - conditional_returns_on_newline
  - closure_spacing
  - closure_end_indentation

  # lint

  - private_action
  - private_outlet
  - prohibited_super_call
  - unused_import
  - unused_private_declaration
  - identical_operands
  - overridden_super_call

excluded:
  - Carthage
  - Pods
  - Generated

line_length: 128

cyclomatic_complexity:
  ignores_case_statements: true

type_body_length:
  - 500 # warning
  - 700 # error

file_length:
  warning: 500
  error: 1200

function_parameter_count:
  error: 5

identifier_name:
  excluded:
    - id
    - ok
    - URL
    - x
    - y
    - z

warning_threshold: 1

custom_rules:

  # General

  uiwebview_disabled:
    included: ".*.swift"
    name: "UIWebView Usage Disabled"
    regex: 'UIWebView'
    message: "Do not use UIWebView. Use WKWebView Instead. https://developer.apple.com/reference/uikit/uiwebview"
    severity: error

  native_print:
    name: "print -> DDLog"
    regex: '(print|NSLog)\('
    message: "Please use CocoaLumberjack instead `print` and `NSlog`"
    severity: error

  uiedge_insets_zero:
    name: "UIEdgeInsets .zero"
    regex: '\(top: 0, left: 0, bottom: 0, right: 0\)'
    message: "Please use short init `.zero`."
    severity: error

  let_variable:
    name: "Let Variable"
    regex: 'var\s\w*(:|(\s=))\sVariable'
    message: "Please make variable using `let`."
    severity: error

  marks_style:
    name: "Marks"
    regex: '// MARK: -?[a-zA-Z0-9]'
    message: "Marks should follow the following structure: // MARK: - Comment."
    severity: warning

  no_header_comments:
    name: "Header Comments"
    regex: '//\s*Created by.*\s*//\s*Copyright'
    match_kinds:
      - comment
    message: "Template header comments should be removed."

  unnecessary_type:
   name: "Unnecessary Type"
   regex: '[ @a-zA-Z]*(?:let|var)\s\w*: ([a-zA-Z0-9]*)\?? = \1'
   message: "Type definition not needed"
   severity: error

  unowned:
    name: "Unowned"
    regex: 'unowned'
    message: "Please use `weak` instead. "
    severity: error

  continue_keyword:
    name: "Continue"
    regex: 'continue'
    message: "Don't use continue instruction"
    severity: error
    match_kinds: keyword

  cyrillic_strings:
    name: "Cyrillic strings"
    regex: '[а-яА-Я]+'
    message: "Localize or translate"
    severity: error
    match_kinds:
    - identifier
    - string

  too_many_empty_spaces:
    name: "Too many empty spaces"
    regex: '(?!\n)[^ \n]+ {2,}.+'
    message: "Remove excess empty spaces"
    severity: warning
    match_kinds:
      - argument
      - attribute.builtin
      - attribute.id
      - buildconfig.id
      - buildconfig.keyword
      - identifier
      - keyword
      - number
      - objectliteral
      - parameter
      - placeholder
      # - string # all except string literals
      # - comment # and comments
      # - comment.mark
      # - comment.url
      # - doccomment
      # - doccomment.field
      - string_interpolation_anchor
      - typeidentifier

  # Rx

  unused_map_parameter:
    name: "Unused map parameter"
    regex: '.map\s*\{\s*_\s*in'
    message: "Replace Rx.map operator with replace(with:) or asVoid(). For Sequence.map consider using forEach."
    severity: warning

  # LeadKit

  multiple_add_subview:
    name: "Multiple addSubview calls"
    regex: '(^\s*\w*\.?)(addSubview)\([\w]+\)\n\1\2'
    message: "Replace multiple addSubview calls with single addSubviews."
    severity: warning