My Editor Config

.editorconfig

# http://EditorConfig.org

# top-most EditorConfig file
root = true

# Default settings:
# A newline ending every file
# Use 4 spaces as indentation
[*]
charset = utf-8
indent_style = space
indent_size = 4

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

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

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

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

# JS/TS Files
[*.{js,jsx,ts,tsx}]
quote_type = single

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

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

# Web Files
[*.{htm,html,js,ts,tsx,css,sass,scss,less,svg,vue}]
indent_size = 2
insert_final_newline = true

# C# files
# https://learn.microsoft.com/dotnet/fundamentals/code-analysis/code-style-rule-options#language-conventions
[*.{cs,csx,cake}]
# New line preferences
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 preferences
csharp_indent_block_contents = true
csharp_indent_braces = false
csharp_indent_case_contents = true
csharp_indent_switch_labels = true
csharp_indent_labels = one_less_than_current

# avoid this. unless absolutely necessary
dotnet_style_qualification_for_field = false:suggestion
dotnet_style_qualification_for_property = false:suggestion
dotnet_style_qualification_for_method = false:suggestion
dotnet_style_qualification_for_event = false:suggestion

# prefer use var
csharp_style_var_for_built_in_types = true:suggestion
csharp_style_var_when_type_is_apparent = true:suggestion
csharp_style_var_elsewhere = true:suggestion

# use language keywords instead of BCL types
dotnet_style_predefined_type_for_locals_parameters_members = true:suggestion
dotnet_style_predefined_type_for_member_access = true:suggestion

# naming conventions
# https://docs.microsoft.com/en-us/visualstudio/ide/editorconfig-naming-conventions
dotnet_naming_style.pascal_case_style.capitalization = pascal_case
dotnet_naming_style.camel_case_underscore_style.required_prefix = _
dotnet_naming_style.camel_case_underscore_style.capitalization = camel_case

# name all constant fields using PascalCase
dotnet_naming_rule.constant_fields_should_be_pascal_case.severity = suggestion
dotnet_naming_rule.constant_fields_should_be_pascal_case.symbols  = constant_fields
dotnet_naming_rule.constant_fields_should_be_pascal_case.style    = pascal_case_style

dotnet_naming_symbols.constant_fields.applicable_kinds   = field
dotnet_naming_symbols.constant_fields.required_modifiers = const

# name all static fields using PascalCase
dotnet_naming_rule.static_fields_should_be_pascal_case.severity = suggestion
dotnet_naming_rule.static_fields_should_be_pascal_case.symbols  = static_fields
dotnet_naming_rule.static_fields_should_be_pascal_case.style    = pascal_case_style

dotnet_naming_symbols.static_fields.applicable_kinds   = field
dotnet_naming_symbols.static_fields.required_modifiers = static

# private static fields should be _camelCase
dotnet_naming_rule.private_static_fields_should_be_camel_case.severity = suggestion
dotnet_naming_rule.private_static_fields_should_be_camel_case.symbols  = private_static_fields
dotnet_naming_rule.private_static_fields_should_be_camel_case.style    = camel_case_underscore_style

dotnet_naming_symbols.private_static_fields.applicable_kinds   = field
dotnet_naming_symbols.private_static_fields.required_modifiers = static
dotnet_naming_symbols.private_static_fields.applicable_accessibilities = private

# internal and private fields should be _camelCase
dotnet_naming_rule.camel_case_for_private_internal_fields.severity = suggestion
dotnet_naming_rule.camel_case_for_private_internal_fields.symbols  = private_internal_fields
dotnet_naming_rule.camel_case_for_private_internal_fields.style    = camel_case_underscore_style

dotnet_naming_symbols.private_internal_fields.applicable_kinds = field
dotnet_naming_symbols.private_internal_fields.applicable_accessibilities = private, internal

# Code style defaults
dotnet_sort_system_directives_first = true
csharp_preserve_single_line_blocks = true
csharp_preserve_single_line_statements = false

# Expression-level preferences
dotnet_style_object_initializer = true:suggestion
dotnet_style_collection_initializer = true:suggestion
dotnet_style_explicit_tuple_names = true:suggestion
dotnet_style_coalesce_expression = true:suggestion
dotnet_style_null_propagation = true:suggestion

# Expression-bodied members
csharp_style_expression_bodied_methods = false:none
csharp_style_expression_bodied_constructors = false:none
csharp_style_expression_bodied_operators = false:none
csharp_style_expression_bodied_properties = true:none
csharp_style_expression_bodied_indexers = true:none
csharp_style_expression_bodied_accessors = true:none

# Pattern matching
csharp_style_pattern_matching_over_is_with_cast_check = true:suggestion
csharp_style_pattern_matching_over_as_with_null_check = true:suggestion
csharp_style_inlined_variable_declaration = true:suggestion

# Null checking preferences
csharp_style_throw_expression = true:suggestion
csharp_style_conditional_delegate_call = true:suggestion

# Space preferences
csharp_space_after_cast = false
csharp_space_after_colon_in_inheritance_clause = true
csharp_space_after_comma = true
csharp_space_after_dot = false
csharp_space_after_keywords_in_control_flow_statements = true
csharp_space_after_semicolon_in_for_statement = true
csharp_space_around_binary_operators = before_and_after
csharp_space_around_declaration_statements = false
csharp_space_before_colon_in_inheritance_clause = true
csharp_space_before_comma = false
csharp_space_before_dot = false
csharp_space_before_open_square_brackets = false
csharp_space_before_semicolon_in_for_statement = false
csharp_space_between_empty_square_brackets = false
csharp_space_between_method_call_empty_parameter_list_parentheses = false
csharp_space_between_method_call_name_and_opening_parenthesis = false
csharp_space_between_method_call_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_declaration_parameter_list_parentheses = false
csharp_space_between_parentheses = false
csharp_space_between_square_brackets = false

# Namespace declaration preferences
csharp_style_namespace_declarations=file_scoped:suggestion