Default swift lint file for projects

.swiftlint.yml

disabled_rules: # rule identifiers to exclude from running

  # Number of function parameters should be low.
  - function_parameter_count

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

  # Complexity of function bodies should be limited.
  - cyclomatic_complexity

  # Files should not span too many lines.
  - file_length
  
  # Closure end should have the same indentation as the line that started it.
  - closure_end_indentation

  # Identifier 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.
  - identifier_name

  # Fallthroughs can only be used if the case contains at least one other statement.
  - no_fallthrough_only # https://github.com/realm/SwiftLint/issues/2276
  
  # String enum values can be omitted when they are equal to the enumcase name.
  - redundant_string_enum_value
  
  # SwiftLint 'disable' commands are superfluous when the disabled rule would not have triggered a violation in the disabled region.
  - superfluous_disable_command

opt_in_rules: # some rules are only opt-in

  # Lines should not span too many characters.
  - line_length

  # Functions and methods parameters should be either on the same line, or one per line.
  - multiline_parameters

  # Attributes should be on their own lines in functions and types, but on the same line as variables and imports.
  - attributes
  
  # Closure expressions should have a single space inside each brace.
  - closure_spacing
  
  # Prefer checking isEmpty over comparing count to zero.
  - empty_count
  
  # Explicitly calling .init() should be avoided.
  - explicit_init
  
  # A fatalError call should have a message.
  - fatal_error_message
  
  # Prefer using .first(where:) over .filter { }.first in collections.
  - first_where
  
  # Implicitly unwrapped optionals should be avoided when possible.
  # - implicitly_unwrapped_optional
  
  # Prefer not to use extension access modifiers
  - no_extension_access_modifier
  
  # Underscores should be used as thousand separator in large decimal numbers.
  - number_separator
  
  # Operators should be surrounded by a single whitespace when they are being used.
  - operator_usage_whitespace
  
  # nil coalescing operator is only evaluated if the lhs is nil, coalescing operator with nil as rhs is redundant
  - redundant_nil_coalescing
  
  # Cases inside a switch should always be on a newline
  - unneeded_parentheses_in_closure_argument

included: # paths to include during linting. `--path` is ignored if present.
  - AppName
  - AppNameTests

excluded: # paths to ignore during linting. Takes precedence over `included`.
  - Pods/

# configurable rules can be customized from this configuration file
# binary rules can set their severity level

# Closure expressions should have a single space inside each brace.
closure_spacing: warning

# Force casts should be avoided.
force_cast: warning # implicitly

# Force unwrapping should be avoided.
# force_unwrapping: warning

# Implicitly unwrapped optionals should be avoided when possible.
# implicitly_unwrapped_optional: warning

#Force tries should be avoided.
force_try:
  severity: warning # explicitly

line_length:
  warning: 160
  ignores_comments: true
  ignores_function_declarations: true

# file_length:
#  ignore_comment_only_lines: true

# Functions bodies should not span too many lines.
function_body_length:
  warning: 100

trailing_comma:
  mandatory_comma: true

nesting:
  type_level:
    warning: 3
  function_level:
    warning: 3

reporter: "xcode" # reporter type (xcode, json, csv, checkstyle, junit, html, emoji)