.swiftlint.yml

opt_in_rules:
- attributes
- closure_end_indentation
- closure_spacing
- empty_count
- explicit_init
- fatal_error_message
- file_header
- first_where
- implicitly_unwrapped_optional
- no_extension_access_modifier
- number_separator
- operator_usage_whitespace
- redundant_nil_coalescing
- switch_case_on_newline
- unneeded_parentheses_in_closure_argument
- vertical_parameter_alignment_on_call

disabled_rules:
- redundant_string_enum_value
- superfluous_disable_command

included:
- Source

excluded:
- Carthage

line_length:
  warning: 160
  ignores_comments: true
  ignores_function_declarations: true

file_length:
  ignore_comment_only_lines: true

file_header:
  required_pattern: ''

trailing_comma:
  mandatory_comma: true

custom_rules:
  closing_brace_whitespace:
    included: ".*.swift"
    regex: '(?:\n| {2,})\}\)? *\n *[^ \n\})\]]'
    name: "Closing Brace Whitespace"
    message: "Empty line required after closing curly braces if code with same indentation follows."
    severity: warning
  if_as_guard:
    included: ".*.swift"
    regex: '\n *if [^\{]+\{\s*(?:return|break|continue)[^\n]*\n *\}(?! *else)'
    name: "If as Guard"
    message: "Don't use an if statement to just return/break/continue – use guard for such cases instead."
    severity: warning
  late_force_unwrapping:
    included: ".*.swift"
    regex: '\(\S+\?\.\S+\)!'
    name: "Late Force Unwrapping"
    message: "Don't use ? first to force unwrap later – directly unwrap within the parantheses."
    severity: warning
  missing_docs:
    included: ".*.swift"
    regex: '\n *(?!\/\/\/)(\/\/)?[^\n\/]*\n *(?:@\S+ )*(?:public|open)'
    name: "Missing Docs"
    message: "Types, properties and methods with public or open access level should be documented."
    severity: warning
  multiple_closure_params:
    included: ".*.swift"
    regex: '\} *\) *\{'
    name: "Multiple Closure Params"
    message: "Don't use multiple in-line closures – save one or more of them to variables instead."
    severity: warning
  single_line_return:
    included: ".*.swift"
    regex: '\.\S+ *\{(?: *return|[^\n\}]+ in return) [^\}]+\}'
    name: "Single Line Return"
    message: "Remove the 'return' when returning from a single line closure."
    severity: warning
  space_before_comment:
    included: ".*.swift"
    regex: '\n[ ]{0}[^\/ \n][^\n]*\n[ ]{0}\/\/|\n[ ]{4}[^\/ \n][^\n]*\n[ ]{4}\/\/|\n[ ]{8}[^\/ \n][^\n]*\n[ ]{8}\/\/|\n[ ]{16}[^\/ \n][^\n]*\n[ ]{16}\/\/|\n[ ]{20}[^\/ \n][^\n]*\n[ ]{20}\/\/|\n[ ]{24}[^\/ \n][^\n]*\n[ ]{24}\/\/'
    name: "Space Before Comment"
    message: "Always put a space line before a comment line and always comment code beforehand."
    severity: warning
  unnecessary_case_break:
    included: ".*.swift"
    regex: '(case |default)(?:[^\n\}]+\n){2,}\s*break *\n|\n *\n *break(?:\n *\n|\n *\})'
    name: "Unnecessary Case Break"
    message: "Don't use break in switch cases – Swift breaks by default."
    severity: warning
  unnecessary_nil_assignment:
    included: ".*.swift"
    regex: 'var \S+\s*:\s*[^\s]+\?\s*=\s*nil'
    name: "Unnecessary Nil Assignment"
    message: "Don't assign nil as a value when defining an optional type – it's nil by default."
    severity: warning
  vertical_whitespaces_around_mark:
    included: ".*.swift"
    regex: '\/\/\s*MARK:[^\n]*(\n)(?!\n)|(\n\n\n)[ \t]*\/\/\s*MARK:|[^\s{]\n[^\n\/]*\/\/\s*MARK:'
    name: "Vertical Whitespaces Around MARK:"
    message: "Include a single vertical whitespace (empty line) before and after MARK: comments."
  vertical_whitespace_opening_braces:
    included: ".*.swift"
    regex: '[{(\[][ \t]*\n[ \t]*\n'
    name: "Vertical Whitespace after Opening Braces"
    message: "Don't include vertical whitespace (empty line) after opening braces."
    severity: warning
  vertical_whitespace_closing_braces:
    included: ".*.swift"
    regex: '\n[ \t]*\n[ \t]*[)}\]]'
    name: "Vertical Whitespace before Closing Braces"
    message: "Don't include vertical whitespace (empty line) before closing braces."
    severity: warning
  whitespace_comment_start:
    included: ".*.swift"
    regex: '[^:#][^:#]\/\/[^\s\/]'
    name: "Whitespace Comment Start"
    message: "A comment should always start with a whitespace."
    severity: warning