.editorconfig

# Version: 5.0.0 (Using https://semver.org/)
# Updated: 2023-09-19
# See https://github.com/RehanSaeed/EditorConfig/releases for release notes.
# See https://github.com/RehanSaeed/EditorConfig for updates to this file.
# See http://EditorConfig.org for more information about .editorconfig files.

##########################################
# Common Settings
##########################################

# This file is the top-most EditorConfig file
root = true

# All Files
[*]
charset = utf-8
indent_style = space
indent_size = 4
tab_width = 4
insert_final_newline = true
trim_trailing_whitespace = true

##########################################
# File Extension Settings
##########################################

# Visual Studio Solution Files
[*.sln]
indent_style = tab

# Visual Studio XML Project Files
[*.{csproj,vbproj,vcxproj.filters,proj,projitems,shproj}]
indent_size = 2

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

# JSON Files
[*.{json,json5,webmanifest}]
indent_size = 2

# YAML Files
[*.{yml,yaml}]
indent_size = 2

# Markdown Files
[*.{md,mdx}]
trim_trailing_whitespace = false

# Web Files
[*.{htm,html,js,jsm,ts,tsx,cjs,cts,ctsx,mjs,mts,mtsx,css,sass,scss,less,pcss,svg,vue}]
indent_size = 2

# Batch Files
[*.{cmd,bat}]
end_of_line = crlf

# Bash Files
[*.sh]
end_of_line = lf

# Makefiles
[Makefile]
indent_style = tab

##########################################
# Visual Studio Spell Checker
# https://learn.microsoft.com/visualstudio/ide/text-spell-checker
##########################################

# Note that you must have the relevant Windows language pack installed on your machine for this to work.
spelling_languages = en-GB            # NEW
spelling_error_severity = information # NEW
spelling_checkable_types =            # NEW

##########################################
# Default .NET Code Style Severities
# https://learn.microsoft.com/dotnet/fundamentals/code-analysis/configuration-options#scope
##########################################

[*.{cs,csx,cake,vb,vbx}]

# Default Severity for all .NET Code Style rules below
dotnet_analyzer_diagnostic.severity = warning

##########################################
# Language Rules - .NET
# https://learn.microsoft.com/dotnet/fundamentals/code-analysis/style-rules/language-rules
##########################################

[*.{cs,csx,cake,vb,vbx}]

# File header preferences
# file_header_template = <copyright file="{fileName}" company="PROJECT-AUTHOR">\n© PROJECT-AUTHOR\n</copyright>
# If you use StyleCop, you'll need to disable SA1636: File header copyright text should match.
# dotnet_diagnostic.SA1636.severity = none

# Expression-level preferences
dotnet_style_object_initializer = true
dotnet_style_collection_initializer = true
dotnet_style_coalesce_expression = true
dotnet_style_null_propagation = true
dotnet_style_prefer_auto_properties = true
dotnet_style_explicit_tuple_names = true
dotnet_style_prefer_inferred_tuple_names = true
dotnet_style_prefer_inferred_anonymous_type_member_names = true
dotnet_style_prefer_is_null_check_over_reference_equality_method = true
dotnet_style_prefer_conditional_expression_over_assignment = false
dotnet_diagnostic.IDE0045.severity = suggestion
dotnet_style_prefer_conditional_expression_over_return = false
dotnet_diagnostic.IDE0046.severity = suggestion
dotnet_style_prefer_compound_assignment = true
dotnet_style_prefer_simplified_interpolation = true
dotnet_style_prefer_simplified_boolean_expressions = true
dotnet_style_namespace_match_folder = true
dotnet_diagnostic.IDE0130.severity = suggestion
dotnet_style_prefer_foreach_explicit_cast_in_source = when_strongly_typed

# Field preferences
dotnet_style_readonly_field = true # NEW

# Language keyword vs. framework types preferences
dotnet_style_predefined_type_for_locals_parameters_members = true # NEW
dotnet_style_predefined_type_for_member_access = true # NEW

# Modifier preferences
dotnet_style_require_accessibility_modifiers = always # NEW

# Parameter preferences
dotnet_code_quality_unused_parameters = all

# Parentheses preferences
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

# Suppression preferences
dotnet_remove_unnecessary_suppression_exclusions = none

# "this."" preferences
dotnet_style_qualification_for_field = false
dotnet_style_qualification_for_property = false
dotnet_style_qualification_for_method = false
dotnet_style_qualification_for_event = false

##########################################
# Language Rules - C#
# https://learn.microsoft.com/dotnet/fundamentals/code-analysis/style-rules/language-rules
##########################################

[*.{cs,csx,cake}]

# 'using' directive preferences
csharp_using_directive_placement = inside_namespace

# Code-block preferences
csharp_prefer_braces = true
csharp_prefer_simple_using_statement = true
dotnet_diagnostic.IDE0063.severity = suggestion
csharp_style_namespace_declarations = file_scoped
csharp_style_prefer_method_group_conversion = true # NEW
csharp_style_prefer_top_level_statements = true # NEW

# Expression-bodied members
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 = true
csharp_style_expression_bodied_local_functions = true

# Expression-level preferences
csharp_style_unused_value_expression_statement_preference = discard_variable
dotnet_diagnostic.IDE0058.severity = suggestion
csharp_style_unused_value_assignment_preference = discard_variable
dotnet_diagnostic.IDE0059.severity = suggestion
csharp_style_throw_expression = true
csharp_style_inlined_variable_declaration = true
csharp_prefer_simple_default_expression = true
csharp_style_prefer_local_over_anonymous_function = true # New
csharp_style_deconstructed_variable_declaration = true
csharp_style_prefer_index_operator = true
csharp_style_prefer_range_operator = true
csharp_style_implicit_object_creation_when_type_is_apparent = true
csharp_style_prefer_null_check_over_type_check = true
csharp_style_prefer_tuple_swap = true # NEW
csharp_style_prefer_utf8_string_literals = true # NEW

# Modifier preferences
csharp_preferred_modifier_order = public,private,protected,internal,file,static,extern,new,virtual,abstract,sealed,override,readonly,unsafe,required,volatile,async
csharp_prefer_static_local_function = true
csharp_style_prefer_readonly_struct = true # NEW
csharp_style_prefer_readonly_struct_member = true # NEW

# "null" checking preferences
csharp_style_conditional_delegate_call = true

# Pattern-matching preferences
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
csharp_style_prefer_extended_property_pattern = true # NEW

# 'var' preferences
csharp_style_var_for_built_in_types = true
csharp_style_var_when_type_is_apparent = true
csharp_style_var_elsewhere = true

# Undocumented
# https://github.com/dotnet/docs/issues/28791
csharp_style_prefer_primary_constructors = true # NEW

##########################################
# .NET Coding Conventions - .NET
# https://learn.microsoft.com/dotnet/fundamentals/code-analysis/style-rules/dotnet-formatting-options
##########################################

[*.{cs,csx,cake,vb,vbx}]

# .NET code refactoring options
# https://learn.microsoft.com/visualstudio/ide/reference/code-styles-refactoring-options
dotnet_style_operator_placement_when_wrapping = end_of_line

##########################################
# Formatting Rules - .NET
# https://learn.microsoft.com/dotnet/fundamentals/code-analysis/style-rules/dotnet-formatting-options
##########################################

[*.{cs,csx,cake,vb,vbx}]

# Using directive options
dotnet_sort_system_directives_first = true
dotnet_separate_import_directive_groups = false

##########################################
# Formatting Rules - C#
# https://learn.microsoft.com/dotnet/fundamentals/code-analysis/style-rules/csharp-formatting-options
##########################################

[*.{cs,csx,cake}]

# Newline options
# https://docs.microsoft.com/dotnet/fundamentals/code-analysis/style-rules/formatting-rules#new-line-options
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

# Indentation options
# https://docs.microsoft.com/dotnet/fundamentals/code-analysis/style-rules/formatting-rules#indentation-options
csharp_indent_case_contents = true
csharp_indent_switch_labels = true
csharp_indent_labels = no_change
csharp_indent_block_contents = true
csharp_indent_braces = false
csharp_indent_case_contents_when_block = false

# Spacing options
# https://docs.microsoft.com/dotnet/fundamentals/code-analysis/style-rules/formatting-rules#spacing-options
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_empty_square_brackets = false
csharp_space_between_square_brackets = false

# Wrap options
# https://docs.microsoft.com/dotnet/fundamentals/code-analysis/style-rules/formatting-rules#wrap-options
csharp_preserve_single_line_statements = false
csharp_preserve_single_line_blocks = true

##########################################
# .NET Naming Rules
# https://learn.microsoft.com/dotnet/fundamentals/code-analysis/style-rules/naming-rules
##########################################

[*.{cs,csx,cake,vb,vbx}]

##########################################
# Styles
##########################################

# camel_case_style - Define the camelCase style
dotnet_naming_style.camel_case_style.capitalization = camel_case
# underscore -> Define the underscore camelCase style
dotnet_naming_style.prefix_underscore.capitalization = camel_case
dotnet_naming_style.prefix_underscore.required_prefix = _
# pascal_case_style - Define the PascalCase style
dotnet_naming_style.pascal_case_style.capitalization = pascal_case
# first_upper_style - The first character must start with an upper-case character
dotnet_naming_style.first_upper_style.capitalization = first_word_upper
# prefix_interface_with_i_style - Interfaces must be PascalCase and the first character of an interface must be an 'I'
dotnet_naming_style.prefix_interface_with_i_style.capitalization = pascal_case
dotnet_naming_style.prefix_interface_with_i_style.required_prefix = I
# prefix_type_parameters_with_t_style - Generic Type Parameters must be PascalCase and the first character must be a 'T'
dotnet_naming_style.prefix_type_parameters_with_t_style.capitalization = pascal_case
dotnet_naming_style.prefix_type_parameters_with_t_style.required_prefix = T
# disallowed_style - Anything that has this style applied is marked as disallowed
dotnet_naming_style.disallowed_style.capitalization  = pascal_case
dotnet_naming_style.disallowed_style.required_prefix = ____RULE_VIOLATION____
dotnet_naming_style.disallowed_style.required_suffix = ____RULE_VIOLATION____
# internal_error_style - This style should never occur... if it does, it indicates a bug in file or in the parser using the file
dotnet_naming_style.internal_error_style.capitalization  = pascal_case
dotnet_naming_style.internal_error_style.required_prefix = ____INTERNAL_ERROR____
dotnet_naming_style.internal_error_style.required_suffix = ____INTERNAL_ERROR____

##########################################
# .NET Design Guideline Field Naming Rules
# Naming rules for fields follow the .NET Framework design guidelines
# https://learn.microsoft.com/dotnet/standard/design-guidelines/
##########################################

# All public/protected/protected_internal constant fields must be PascalCase
# https://learn.microsoft.com/dotnet/standard/design-guidelines/field
dotnet_naming_symbols.public_protected_constant_fields_group.applicable_accessibilities = public, protected, protected_internal
dotnet_naming_symbols.public_protected_constant_fields_group.required_modifiers         = const
dotnet_naming_symbols.public_protected_constant_fields_group.applicable_kinds           = field
dotnet_naming_rule.public_protected_constant_fields_must_be_pascal_case_rule.symbols    = public_protected_constant_fields_group
dotnet_naming_rule.public_protected_constant_fields_must_be_pascal_case_rule.style      = pascal_case_style
dotnet_naming_rule.public_protected_constant_fields_must_be_pascal_case_rule.severity   = warning

# All public/protected/protected_internal static readonly fields must be PascalCase
# https://learn.microsoft.com/dotnet/standard/design-guidelines/field
dotnet_naming_symbols.public_protected_static_readonly_fields_group.applicable_accessibilities = public, protected, protected_internal
dotnet_naming_symbols.public_protected_static_readonly_fields_group.required_modifiers         = static, readonly
dotnet_naming_symbols.public_protected_static_readonly_fields_group.applicable_kinds           = field
dotnet_naming_rule.public_protected_static_readonly_fields_must_be_pascal_case_rule.symbols    = public_protected_static_readonly_fields_group
dotnet_naming_rule.public_protected_static_readonly_fields_must_be_pascal_case_rule.style      = pascal_case_style
dotnet_naming_rule.public_protected_static_readonly_fields_must_be_pascal_case_rule.severity   = warning

# No other public/protected/protected_internal fields are allowed
# https://learn.microsoft.com/dotnet/standard/design-guidelines/field
dotnet_naming_symbols.other_public_protected_fields_group.applicable_accessibilities = public, protected, protected_internal
dotnet_naming_symbols.other_public_protected_fields_group.applicable_kinds           = field
dotnet_naming_rule.other_public_protected_fields_disallowed_rule.symbols             = other_public_protected_fields_group
dotnet_naming_rule.other_public_protected_fields_disallowed_rule.style               = disallowed_style
dotnet_naming_rule.other_public_protected_fields_disallowed_rule.severity            = error

##########################################
# StyleCop Field Naming Rules
# Naming rules for fields follow the StyleCop analyzers
# This does not override any rules using disallowed_style above
# https://github.com/DotNetAnalyzers/StyleCopAnalyzers
##########################################

# All constant fields must be PascalCase
# https://github.com/DotNetAnalyzers/StyleCopAnalyzers/blob/master/documentation/SA1303.md
dotnet_naming_symbols.stylecop_constant_fields_group.applicable_accessibilities = public, internal, protected_internal, protected, private_protected, private
dotnet_naming_symbols.stylecop_constant_fields_group.required_modifiers         = const
dotnet_naming_symbols.stylecop_constant_fields_group.applicable_kinds           = field
dotnet_naming_rule.stylecop_constant_fields_must_be_pascal_case_rule.symbols    = stylecop_constant_fields_group
dotnet_naming_rule.stylecop_constant_fields_must_be_pascal_case_rule.style      = pascal_case_style
dotnet_naming_rule.stylecop_constant_fields_must_be_pascal_case_rule.severity   = warning

# All static readonly fields must be PascalCase
# https://github.com/DotNetAnalyzers/StyleCopAnalyzers/blob/master/documentation/SA1311.md
dotnet_naming_symbols.stylecop_static_readonly_fields_group.applicable_accessibilities = public, internal, protected_internal, protected, private_protected, private
dotnet_naming_symbols.stylecop_static_readonly_fields_group.required_modifiers         = static, readonly
dotnet_naming_symbols.stylecop_static_readonly_fields_group.applicable_kinds           = field
dotnet_naming_rule.stylecop_static_readonly_fields_must_be_pascal_case_rule.symbols    = stylecop_static_readonly_fields_group
dotnet_naming_rule.stylecop_static_readonly_fields_must_be_pascal_case_rule.style      = pascal_case_style
dotnet_naming_rule.stylecop_static_readonly_fields_must_be_pascal_case_rule.severity   = warning

# No non-private instance fields are allowed
# https://github.com/DotNetAnalyzers/StyleCopAnalyzers/blob/master/documentation/SA1401.md
dotnet_naming_symbols.stylecop_fields_must_be_private_group.applicable_accessibilities = public, internal, protected_internal, protected, private_protected
dotnet_naming_symbols.stylecop_fields_must_be_private_group.applicable_kinds           = field
dotnet_naming_rule.stylecop_instance_fields_must_be_private_rule.symbols               = stylecop_fields_must_be_private_group
dotnet_naming_rule.stylecop_instance_fields_must_be_private_rule.style                 = disallowed_style
dotnet_naming_rule.stylecop_instance_fields_must_be_private_rule.severity              = error

# Private fields must be underscore
# https://github.com/DotNetAnalyzers/StyleCopAnalyzers/blob/master/documentation/SA1306.md

dotnet_naming_symbols.stylecop_private_fields_group.applicable_accessibilities = private
dotnet_naming_symbols.stylecop_private_fields_group.applicable_kinds           = field
dotnet_naming_rule.stylecop_private_fields_must_be_camel_case_rule.symbols     = stylecop_private_fields_group
dotnet_naming_rule.stylecop_private_fields_must_be_camel_case_rule.style       = prefix_underscore
dotnet_naming_rule.stylecop_private_fields_must_be_camel_case_rule.severity    = warning

# Local variables must be camelCase
# https://github.com/DotNetAnalyzers/StyleCopAnalyzers/blob/master/documentation/SA1312.md
dotnet_naming_symbols.stylecop_local_fields_group.applicable_accessibilities = local
dotnet_naming_symbols.stylecop_local_fields_group.applicable_kinds           = local
dotnet_naming_rule.stylecop_local_fields_must_be_camel_case_rule.symbols     = stylecop_local_fields_group
dotnet_naming_rule.stylecop_local_fields_must_be_camel_case_rule.style       = camel_case_style
dotnet_naming_rule.stylecop_local_fields_must_be_camel_case_rule.severity    = silent

# This rule should never fire.  However, it's included for at least two purposes:
# First, it helps to understand, reason about, and root-case certain types of issues, such as bugs in .editorconfig parsers.
# Second, it helps to raise immediate awareness if a new field type is added (as occurred recently in C#).
dotnet_naming_symbols.sanity_check_uncovered_field_case_group.applicable_accessibilities = *
dotnet_naming_symbols.sanity_check_uncovered_field_case_group.applicable_kinds           = field
dotnet_naming_rule.sanity_check_uncovered_field_case_rule.symbols  = sanity_check_uncovered_field_case_group
dotnet_naming_rule.sanity_check_uncovered_field_case_rule.style    = internal_error_style
dotnet_naming_rule.sanity_check_uncovered_field_case_rule.severity = error


##########################################
# Other Naming Rules
##########################################

# All of the following must be PascalCase:
# - Namespaces
#   https://learn.microsoft.com/dotnet/standard/design-guidelines/names-of-namespaces
#   https://github.com/DotNetAnalyzers/StyleCopAnalyzers/blob/master/documentation/SA1300.md
# - Classes and Enumerations
#   https://learn.microsoft.com/dotnet/standard/design-guidelines/names-of-classes-structs-and-interfaces
#   https://github.com/DotNetAnalyzers/StyleCopAnalyzers/blob/master/documentation/SA1300.md
# - Delegates
#   https://learn.microsoft.com/dotnet/standard/design-guidelines/names-of-classes-structs-and-interfaces#names-of-common-types
# - Constructors, Properties, Events, Methods
#   https://learn.microsoft.com/dotnet/standard/design-guidelines/names-of-type-members
dotnet_naming_symbols.element_group.applicable_kinds = namespace, class, enum, struct, delegate, event, method, property
dotnet_naming_rule.element_rule.symbols              = element_group
dotnet_naming_rule.element_rule.style                = pascal_case_style
dotnet_naming_rule.element_rule.severity             = warning

# Interfaces use PascalCase and are prefixed with uppercase 'I'
# https://learn.microsoft.com/dotnet/standard/design-guidelines/names-of-classes-structs-and-interfaces
dotnet_naming_symbols.interface_group.applicable_kinds = interface
dotnet_naming_rule.interface_rule.symbols              = interface_group
dotnet_naming_rule.interface_rule.style                = prefix_interface_with_i_style
dotnet_naming_rule.interface_rule.severity             = warning

# Generics Type Parameters use PascalCase and are prefixed with uppercase 'T'
# https://learn.microsoft.com/dotnet/standard/design-guidelines/names-of-classes-structs-and-interfaces
dotnet_naming_symbols.type_parameter_group.applicable_kinds = type_parameter
dotnet_naming_rule.type_parameter_rule.symbols              = type_parameter_group
dotnet_naming_rule.type_parameter_rule.style                = prefix_type_parameters_with_t_style
dotnet_naming_rule.type_parameter_rule.severity             = warning

# Function parameters use camelCase
# https://learn.microsoft.com/dotnet/standard/design-guidelines/naming-parameters
dotnet_naming_symbols.parameters_group.applicable_kinds = parameter
dotnet_naming_rule.parameters_rule.symbols              = parameters_group
dotnet_naming_rule.parameters_rule.style                = camel_case_style
dotnet_naming_rule.parameters_rule.severity             = warning

##########################################
# License
##########################################
# The following applies as to the .editorconfig file ONLY, and is
# included below for reference, per the requirements of the license
# corresponding to this .editorconfig file.
# See: https://github.com/RehanSaeed/EditorConfig
#
# MIT License
#
# Copyright (c) 2017-2019 Muhammad Rehan Saeed
# Copyright (c) 2019 Henry Gabryjelski
#
# Permission is hereby granted, free of charge, to any
# person obtaining a copy of this software and associated
# documentation files (the "Software"), to deal in the
# Software without restriction, including without limitation
# the rights to use, copy, modify, merge, publish, distribute,
# sublicense, and/or sell copies of the Software, and to permit
# persons to whom the Software is furnished to do so, subject
# to the following conditions:
#
# The above copyright notice and this permission notice shall be
# included in all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
# OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
# HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
# WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
# OTHER DEALINGS IN THE SOFTWARE.
##########################################

##########################################
# Custom config for this project (OpenChess)
##########################################
[*.{cs,vb}]