.swiftlint.yml

# Rules
only_rules:
  # Closing brace with closing parenthesis should not have any whitespaces in
  # the middle.
  - closing_brace

  # Colons should be next to the identifier when specifying a type.
  - colon

  # There should be no space before and one after any comma.
  - comma

  # Repeated `let` statements in conditional binding cascade should be avoided.
  # - conditional_binding_cascade

  # if,for,while,do statements shouldn't wrap their conditionals in parentheses.
  - control_statement

  # Create custom rules by providing a regex string. Optionally specify what
  # syntax kinds to match against, the severity level, and what message to
  # display.
  # - custom_rules

  # Complexity of function bodies should be limited.
  # - cyclomatic_complexity

  # Prefer checking `isEmpty` over comparing `count` to zero.
  # - empty_count

  # Arguments can be omitted when matching enums with associated types if they
  # are not used.
  - empty_enum_arguments

  # Prefer `() -> ` over `Void -> `.
  - empty_parameters

  # Files should not span too many lines.
  # - file_length

  # Force casts should be avoided.
  # - force_cast

  # Force tries should be avoided.
  # - force_try

  # Force unwrapping should be avoided.
  # - force_unwrapping

  # Functions bodies should not span too many lines.
  # - function_body_length

  # Number of function parameters should be low.
  # - function_parameter_count

  # Files should not contain leading whitespace.
  # - leading_whitespace

  # Struct extension properties and methods are preferred over legacy functions
  # - legacy_cggeometry_functions

  # Struct-scoped constants are preferred over legacy global constants.
  # - legacy_constant

  # Swift constructors are preferred over legacy convenience functions.
  # - legacy_constructor

  # Lines should not span too many characters.
  - line_length

  # MARK comment should be in valid format.
  - mark

  # Public declarations should be documented.
  # - missing_docs

  # Types should be nested at most 1 level deep, and statements should be nested
  # at most 5 levels deep.
  # - nesting

  # Opening braces should be preceded by a single space and on the same line as
  # the declaration.
  - opening_brace

  # Operators should be surrounded by a single whitespace when defining them.
  # - operator_whitespace

  # Return arrow and return type should be separated by a single space or on a
  # separate line.
  # - return_arrow_whitespace

  # Else and catch should be on the same line, one space after the previous
  # declaration.
  # - statement_position

  # TODOs and FIXMEs should be avoided.
  # - todo

  # Limit vertical whitespace to a three empty lines (rule configuration is below)
  - vertical_whitespace

  # Files should have a single trailing newline.
  - trailing_newline

  # Lines should not have trailing semicolons.
  - trailing_semicolon

  # Lines should not have trailing whitespace.
  # - trailing_whitespace

  # Type bodies should not span too many lines.
  # - type_body_length

  # Type name should only contain alphanumeric characters, start with an
  # uppercase character and span between 3 and 40 characters in length.
  # - type_name

  # Documented declarations should be valid.
  # - valid_docs

  # Variable names should only contain alphanumeric characters and start with a
  # lowercase character or should only contain capital letters. In an exception
  # to the above, variable names may start with a capital letter when they are
  # declared static and immutable. Variable names should not be too long or too
  # short.
  # - variable_name

# Rules configuration
vertical_whitespace:
  max_empty_lines: 3
  severity: error

line_length: 160

control_statement:
  severity: error

# Excluded files and folders
excluded:
  - BuildTools