.editorconfig

# 上位ディレクトリから .editorconfig 設定を継承する場合は、以下の行を削除します
root = true

# すべてのファイル
[*]

# インデントと間隔
indent_style = space

# 文字コード
charset = utf-8-bom

# C#, CSX, VB, VBX ファイル
[*.{cs,csx,vb,vbx}]

# インデントと間隔
indent_size = 4
tab_width = 4
trim_trailing_whitespace = true

# 改行設定
end_of_line = crlf
insert_final_newline = false

# XML project files
[*.{csproj,vbproj,vcxproj,vcxproj.filters,proj,projitems,shproj}]
indent_size = 2

# XML config files
[*.{props,targets,ruleset,config,nuspec,resx,vsixmanifest,vsct}]
indent_size = 2

# JSON files
[*.json]
indent_size = 2

# Config files
[*.config]
indent_size = 2

# .env Files
[*.env]
indent_size = 2

# Powershell files
[*.ps1]
indent_size = 2

# Shell script files
[*.sh]
end_of_line = lf
indent_size = 2

# C# ファイル
[*.cs]

#### コア EditorConfig オプション ####

#### .NET コーディング規則 ####

# this. と Me. の設定
dotnet_style_qualification_for_field = false
dotnet_style_qualification_for_property = false
dotnet_style_qualification_for_method = false
dotnet_style_qualification_for_event = false

# 言語キーワードと BCL の種類の設定
dotnet_style_predefined_type_for_locals_parameters_members = true
dotnet_style_predefined_type_for_member_access = true

# かっこの設定
dotnet_style_parentheses_in_arithmetic_binary_operators = always_for_clarity
dotnet_style_parentheses_in_relational_binary_operators = always_for_clarity
dotnet_style_parentheses_in_other_binary_operators = always_for_clarity
dotnet_style_parentheses_in_other_operators = never_if_unnecessary

# 修飾子設定
dotnet_style_require_accessibility_modifiers = for_non_interface_members

# 式レベルの設定
dotnet_style_coalesce_expression = true:warning
dotnet_style_collection_initializer = true
dotnet_style_explicit_tuple_names = true
dotnet_style_namespace_match_folder = true
dotnet_style_null_propagation = true:warning
dotnet_style_object_initializer = true
dotnet_style_operator_placement_when_wrapping = beginning_of_line
dotnet_style_prefer_auto_properties = true:warning
dotnet_style_prefer_compound_assignment = true:warning
dotnet_style_prefer_conditional_expression_over_assignment = true:warning
dotnet_style_prefer_conditional_expression_over_return = true:warning
dotnet_style_prefer_inferred_anonymous_type_member_names = true
dotnet_style_prefer_inferred_tuple_names = true
dotnet_style_prefer_is_null_check_over_reference_equality_method = true:warning
dotnet_style_prefer_simplified_boolean_expressions = true
dotnet_style_prefer_simplified_interpolation = true

# フィールド設定
dotnet_style_readonly_field = true

# パラメーターの設定
dotnet_code_quality_unused_parameters = all:warning

# 抑制の設定
dotnet_remove_unnecessary_suppression_exclusions = none

# 改行設定
dotnet_style_allow_multiple_blank_lines_experimental = true
dotnet_style_allow_statement_immediately_after_block_experimental = false

# ファイルヘッダー設定
file_header_template = unset

#### C# コーディング規則 ####

# var を優先
csharp_style_var_for_built_in_types = true
csharp_style_var_when_type_is_apparent = true
csharp_style_var_elsewhere = true

# 式形式のメンバー
csharp_style_expression_bodied_constructors = true
csharp_style_expression_bodied_methods = true
csharp_style_expression_bodied_operators = true
csharp_style_expression_bodied_properties = true
csharp_style_expression_bodied_indexers = true
csharp_style_expression_bodied_accessors = true
csharp_style_expression_bodied_lambdas = when_on_single_line:warning
csharp_style_expression_bodied_local_functions = when_on_single_line:warning

# パターン マッチング設定
csharp_style_pattern_matching_over_as_with_null_check = true
csharp_style_pattern_matching_over_is_with_cast_check = true
csharp_style_prefer_switch_expression = true
csharp_style_prefer_pattern_matching = true
csharp_style_prefer_not_pattern = true

# Null チェック設定
csharp_style_conditional_delegate_call = true:warning

# 修飾子設定
csharp_prefer_static_local_function = true
csharp_preferred_modifier_order = public,private,protected,internal,static,extern,new,virtual,abstract,sealed,override,readonly,unsafe,volatile,async

# コード ブロックの設定
csharp_prefer_braces = when_multiline
csharp_prefer_simple_using_statement = true

# 'using' ディレクティブの基本設定
csharp_using_directive_placement = outside_namespace:warning

# 式レベルの設定
csharp_prefer_simple_default_expression = true:warning
csharp_style_deconstructed_variable_declaration = true
csharp_style_implicit_object_creation_when_type_is_apparent = true
csharp_style_inlined_variable_declaration = true:warning
csharp_style_pattern_local_over_anonymous_function = true:warning
csharp_style_prefer_index_operator = true:warning
csharp_style_prefer_range_operator = true:warning
csharp_style_throw_expression = true:warning
csharp_style_unused_value_assignment_preference = discard_variable
csharp_style_unused_value_expression_statement_preference = discard_variable:suggestion

# 改行設定
csharp_style_allow_blank_line_after_colon_in_constructor_initializer_experimental = true
csharp_style_allow_blank_lines_between_consecutive_braces_experimental = false
csharp_style_allow_embedded_statements_on_same_line_experimental = true

#### C# 書式ルール ####
# https://docs.microsoft.com/ja-jp/dotnet/fundamentals/code-analysis/style-rules/formatting-rules

# using の整理
dotnet_separate_import_directive_groups = false
dotnet_sort_system_directives_first = false

# 改行設定
csharp_new_line_before_open_brace = all
csharp_new_line_before_else = true
csharp_new_line_before_catch = true
csharp_new_line_before_finally = true
csharp_new_line_before_members_in_object_initializers = true
csharp_new_line_before_members_in_anonymous_types = true
csharp_new_line_between_query_expression_clauses = true

# インデント設定
csharp_indent_case_contents = true
csharp_indent_switch_labels = true
csharp_indent_labels = one_less_than_current
csharp_indent_block_contents = true
csharp_indent_braces = false
csharp_indent_case_contents_when_block = true

# スペース設定
csharp_space_after_cast = false
csharp_space_after_keywords_in_control_flow_statements = true
csharp_space_between_parentheses = false
csharp_space_before_colon_in_inheritance_clause = true
csharp_space_after_colon_in_inheritance_clause = true
csharp_space_around_binary_operators = before_and_after
csharp_space_between_method_declaration_parameter_list_parentheses = false
csharp_space_between_method_declaration_empty_parameter_list_parentheses = false
csharp_space_between_method_declaration_name_and_open_parenthesis = false
csharp_space_between_method_call_parameter_list_parentheses = false
csharp_space_between_method_call_empty_parameter_list_parentheses = false
csharp_space_between_method_call_name_and_opening_parenthesis = false
csharp_space_after_comma = true
csharp_space_before_comma = false
csharp_space_after_dot = false
csharp_space_before_dot = false
csharp_space_after_semicolon_in_for_statement = true
csharp_space_before_semicolon_in_for_statement = false
csharp_space_around_declaration_statements = false
csharp_space_before_open_square_brackets = false
csharp_space_between_square_brackets = false
csharp_space_between_empty_square_brackets = false

# 折り返しの設定
csharp_preserve_single_line_statements = false
csharp_preserve_single_line_blocks = true

#### 命名スタイル ####
# https://docs.microsoft.com/ja-jp/dotnet/fundamentals/code-analysis/style-rules/naming-rules

# 名前付けルール

dotnet_naming_rule.interface_should_be_begins_with_i.severity = warning
dotnet_naming_rule.interface_should_be_begins_with_i.symbols = interface
dotnet_naming_rule.interface_should_be_begins_with_i.style = begins_with_i

dotnet_naming_rule.types_should_be_pascal_case.severity = suggestion
dotnet_naming_rule.types_should_be_pascal_case.symbols = types
dotnet_naming_rule.types_should_be_pascal_case.style = pascal_case

dotnet_naming_rule.non_field_members_should_be_pascal_case.severity = suggestion
dotnet_naming_rule.non_field_members_should_be_pascal_case.symbols = non_field_members
dotnet_naming_rule.non_field_members_should_be_pascal_case.style = pascal_case

# 記号の仕様

dotnet_naming_symbols.interface.applicable_kinds = interface
dotnet_naming_symbols.interface.applicable_accessibilities = public, internal, private, protected, protected_internal, private_protected
dotnet_naming_symbols.interface.required_modifiers = 

dotnet_naming_symbols.types.applicable_kinds = class, struct, interface, enum
dotnet_naming_symbols.types.applicable_accessibilities = public, internal, private, protected, protected_internal, private_protected
dotnet_naming_symbols.types.required_modifiers = 

dotnet_naming_symbols.non_field_members.applicable_kinds = property, event, method
dotnet_naming_symbols.non_field_members.applicable_accessibilities = public, internal, private, protected, protected_internal, private_protected
dotnet_naming_symbols.non_field_members.required_modifiers = 

# 命名スタイル

dotnet_naming_style.pascal_case.required_prefix = 
dotnet_naming_style.pascal_case.required_suffix = 
dotnet_naming_style.pascal_case.word_separator = 
dotnet_naming_style.pascal_case.capitalization = pascal_case

dotnet_naming_style.begins_with_i.required_prefix = I
dotnet_naming_style.begins_with_i.required_suffix = 
dotnet_naming_style.begins_with_i.word_separator = 
dotnet_naming_style.begins_with_i.capitalization = pascal_case

https://docs.microsoft.com/ja-jp/dotnet/fundamentals/code-analysis/code-style-rule-options
https://docs.microsoft.com/ja-jp/visualstudio/ide/create-portable-custom-editor-options?view=vs-2019
https://github.com/dotnet/roslyn/blob/main/.editorconfig