.swiftlint.yml

opt_in_rules: # rules enabled
  - closing_brace
  #Closing brace with closing parenthesis should not have any whitespaces in the middle.

  - closure_spacing
  #Closure expressions should have a single space inside each brace.
  
  - colon
  #Colons should be next to the identifier when specifying a type and next to the key in dictionary literals.
  
  - comma
  #There should be no space before and one after any comma.
  
  - empty_parentheses_with_trailing_closure
  #When using trailing closures, empty parentheses should be avoided after the method call.

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

  - operator_usage_whitespace
  #Operators should be surrounded by a single whitespace when they are being used.

  - redundant_discardable_let
  #Prefer _ = foo() over let _ = foo() when discarding a result from a function.

  - redundant_nil_coalescing
  #nil coalescing operator is only evaluated if the lhs is nil, coalescing operator with nil as rhs is redundant

  - redundant_optional_initialization
  #Initializing an optional variable with nil is redundant.

  - redundant_void_return
  #Returning Void in a function declaration is redundant.

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

  - sorted_imports
  #Imports should be sorted.

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

  - trailing_comma
  #Trailing commas in arrays and dictionaries should be avoided/enforced.
  
  - trailing_newline
  #Files should have a single trailing newline.

  - trailing_semicolon
  #Lines should not have trailing semicolons.

  - trailing_whitespace
  #Lines should not have trailing whitespace.

  - unneeded_parentheses_in_closure_argument
  #Parentheses are not needed when declaring closure arguments.

  - unused_closure_parameter
  #Unused parameter in a closure should be replaced with _.

  - vertical_whitespace
  #Limit vertical whitespace to a single empty line
  
  - void_return
  #Prefer -> Void over -> ().

  - force_cast
  #Force casts should be avoided.
  
  - force_try
  #Force tries should be avoided.
  
  - force_unwrapping
  #Force unwrapping should be avoided.

  - implicitly_unwrapped_optional
  #Implicitly unwrapped optionals should be avoided when possible.

  - empty_string
  #Prefer checking isEmpty over comparing string to an empty string literal.

  - fallthrough
  #Fallthrough should be avoided.
  
  - unneeded_break_in_switch
  #Avoid using unneeded break statements.
  
  - syntactic_sugar
  #Shorthand syntactic sugar should be used, i.e. [Int] instead of Array.
  
  - control_statement 
  #if,for,while,do,catch statements shouldn't wrap their conditionals or arguments in parentheses.
  
  - todo
  # TODOs and FIXMEs should be resolved.

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

  - mark
  # MARK comment should be in valid format. e.g. '// MARK: ...' or '// MARK: - ...'

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

  - first_where
  # Prefer using .first(where:) over .filter { }.first in collections.

  - for_where
  # where clauses are preferred over a single if inside a for.
  
  - shorthand_operator
  # Prefer shorthand operators (+=, -=, *=, /=) over doing the operation and assigning.
    
  - private_action
  # IBActions should be private.
  
  - private_outlet
  # IBOutlets should be private to avoid leaking UIKit to higher layers.

disabled_rules:
  - cyclomatic_complexity
  - empty_enum_arguments
  - file_length
  - type_body_length
  - inclusive_language
  - vertical_parameter_alignment
  - vertical_parameter_alignment_on_call
  - conditional_returns_on_newline
  - function_body_length

included:
  - MacMagazine
  - MacMagazineTests
  - MacMagazineWatchExtension
  - MacMagazineNotificationServiceExtension
  - MacMagazineWidgetExtension
excluded: # paths to ignore during linting. Takes precedence over `included`.
  - Pods

# Configuration: for each rules we can customise its behaviour
force_cast: warning
force_try: warning
force_unwrapping: warning
shorthand_operator: warning
line_length:
  warning: 200