.swiftlint.yml

# https://github.com/realm/SwiftLint 配置

disabled_rules:
  # 国外这政治正确哦，像 black、master、slave 这种都是禁用词
  - inclusive_language

  # 限制行长度过时了，老式文本编辑器才需要，Xcode 换行的渲染不错，没必要。
  # 另一种观点是一行一个参数看着更清楚，有必要换行的情形要么是参数多了，要么传参位置有长表达式。极端的例子，没人会把所有两个参数的都另起一行吧？
  # 参数过多是接口设计问题，长表达式赋值到一个变量就完了，参数换行更清楚是伪命题。
  # 我讨厌参数换行的理由是它影响了编辑器原本的自动换行，尤其当窗口比较窄时，手动加的换行很容易一团糟。
  - line_length

  # 声明多个协议喜欢这种写法
  #
  # struct Some: P1,
  #     P2,
  #     P3
  # {
  # }
  - opening_brace

  # 有时要用、有时只判空，这样切换方便一些
  - unused_optional_binding

# 筛选后开了很多可选规则
# 几乎用不到、不合理的规则删去了，注释的是看情况可以开的
opt_in_rules:
  - anyobject_protocol
  - array_init
  # - attributes
  - closure_body_length
  # - closure_end_indentation
  - closure_spacing
  - collection_alignment
  # - conditional_returns_on_newline
  - contains_over_filter_count
  - contains_over_filter_is_empty
  - contains_over_first_not_nil
  - contains_over_range_nil_comparison
  - convenience_type
  - empty_collection_literal
  - empty_string
  - empty_xctest_method
  - enum_case_associated_values_count
  # - expiring_todo
  # - explicit_enum_raw_value
  - explicit_init
  - explicit_self
  # - explicit_type_interface
  - extension_access_modifier
  # - fallthrough
  - file_name_no_space
  # - file_name
  - first_where
  # - force_unwrapping
  # - function_default_parameter_at_end
  - identical_operands
  - implicit_return
  # - implicitly_unwrapped_optional
  - legacy_multiple
  - legacy_random
  # - let_var_whitespace
  - literal_expression_end_indentation
  - lower_acl_than_parent
  - modifier_order
  # - multiline_arguments_brackets
  # - multiline_arguments
  # - multiline_function_chains
  - multiline_literal_brackets
  # - multiline_parameters_brackets
  # - multiline_parameters
  # - no_extension_access_modifier
  # - no_grouping_extension
  - nslocalizedstring_key
  # - object_literal
  - operator_usage_whitespace
  - overridden_super_call
  # - pattern_matching_keywords
  - prefer_self_type_over_type_of_self
  # - private_action
  - reduce_into
  - redundant_nil_coalescing
  - redundant_type_annotation
  # - required_enum_case
  - single_test_class
  - sorted_imports
  - static_operator
  - switch_case_on_newline
  - toggle_bool
  # - trailing_closure
  # - unavailable_function
  - unneeded_parentheses_in_closure_argument
  # - untyped_error_in_catch
  - unused_import
  - vertical_parameter_alignment_on_call
  # - vertical_whitespace_between_cases
  - vertical_whitespace_closing_braces
  # - vertical_whitespace_opening_braces
  - xct_specific_matcher
  # - yoda_condition

  # 开发三方库有用
  # - explicit_acl
  # - explicit_top_level_acl
  # - fatal_error_message
  # - file_header
  - missing_docs
  # - nslocalizedstring_require_bundle

excluded:
  - "App/Development Content/*.playground"
  - B9Doc
  - Carthage
  - Frameworks
  - Pods

# 针对每条规则的配置（请按字母顺序排序）
# https://realm.github.io/SwiftLint/rule-directory.html

file_length:
  ignore_comment_only_lines: true

identifier_name:
  # 变量名长度我推荐的原则是作用域越大，命名应该越长、越详细；
  # 反之在一个代码块内，上下没几行就声明了一个变量，不应该起长名字，
  # 这种情况我习惯用类型的缩写，省事，不用花心思想名字，也不影响可读性。
  excluded:
    - i       # loop
    - j       # loop
    - k       # loop
    - as      # cast
    - e       # error
    - id      # identifier
    - c       # RFAPI, context
    - sf      # guard self
    - x
    - y
    - z
    - x1
    - x2
    - y1
    - y2
    - vc      # view controller
    - v       # view
    - tv      # table view
    - lv      # list view
    - sv      # scroll view
    - cb      # callback
    - ds      # dataSource
    - ip      # indexPath
    - db      # database
    - on      # on/off
    - to      # from/to

implicit_return:
  # 默认 closure, function, getter，仅 getter 就可以了，闭包和方法里用不合适
  included:
    - getter

large_tuple:
  # 默认数量有点太少了，允许三个成员比较合适
  warning: 3
  error: 4

# line_length:
#   ignores_urls: true
#   ignores_function_declarations: true
#   ignores_comments: true
#   ignores_interpolated_strings: true

type_name:
  excluded:
    - ID      # identifier

vertical_whitespace:
  # 默认1，有时为了分区代码块隔两行
  max_empty_lines: 2