Editorconfig combined from Microsoft

.editorconfig

root = true

[*]
charset = utf-8
indent_size = 2
indent_style = space
insert_final_newline = true
trim_trailing_whitespace = true

[*.{ps1,psm1,cmd,bat}]
indent_size = 4
end_of_line = crlf

[*.sh]
indent_style = tab
indent_size = 4
end_of_line = lf

[*.{cs,csx,vb,vbx}]
indent_size = 4

# Avoid "this." and "Me." if not 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

# Sort using and Import directives with System.* appearing first 
# and prefer placing all using statements ouside namespace
csharp_using_directive_placement = outside_namespace:suggestion
dotnet_sort_system_directives_first = true

# Use language keywords instead of framework type names for type references
dotnet_style_predefined_type_for_locals_parameters_members = true:suggestion
dotnet_style_predefined_type_for_member_access = true:suggestion

# Suggest more modern language features when available
dotnet_style_object_initializer = true:suggestion
dotnet_style_collection_initializer = true:suggestion
dotnet_style_coalesce_expression = true:suggestion
dotnet_style_null_propagation = true:suggestion
dotnet_style_explicit_tuple_names = true:suggestion

# Code quality
dotnet_style_readonly_field = true:suggestion
dotnet_code_quality_unused_parameters = non_public:suggestion

# Expression level preferences to make code easier to read
dotnet_style_prefer_is_null_check_over_reference_equality_method = true:suggestion
dotnet_style_prefer_inferred_tuple_names = true:suggestion
dotnet_style_prefer_inferred_anonymous_type_member_names = true:suggestion
dotnet_style_prefer_auto_properties = true:suggestion
dotnet_style_prefer_conditional_expression_over_assignment = true:suggestion
dotnet_style_prefer_conditional_expression_over_return = true:suggestion

# name non-private static fields using PascalCase
dotnet_naming_rule.non_private_static_fields_should_be_pascal_case.severity = suggestion
dotnet_naming_rule.non_private_static_fields_should_be_pascal_case.symbols = non_private_static_fields
dotnet_naming_rule.non_private_static_fields_should_be_pascal_case.style = non_private_static_field_style
dotnet_naming_symbols.non_private_static_fields.applicable_kinds = field
dotnet_naming_symbols.non_private_static_fields.applicable_accessibilities = public, protected, internal, protected_internal, private_protected
dotnet_naming_symbols.non_private_static_fields.required_modifiers = static
dotnet_naming_style.non_private_static_field_style.capitalization = pascal_case

# name non-private readonly fields using PascalCase
dotnet_naming_rule.non_private_readonly_fields_should_be_pascal_case.severity = suggestion
dotnet_naming_rule.non_private_readonly_fields_should_be_pascal_case.symbols = non_private_readonly_fields
dotnet_naming_rule.non_private_readonly_fields_should_be_pascal_case.style = non_private_readonly_field_style
dotnet_naming_symbols.non_private_readonly_fields.applicable_kinds = field
dotnet_naming_symbols.non_private_readonly_fields.applicable_accessibilities = public, protected, internal, protected_internal, private_protected
dotnet_naming_symbols.non_private_readonly_fields.required_modifiers = readonly
dotnet_naming_style.non_private_readonly_field_style.capitalization = pascal_case

# name all constant fields using PascalCase
dotnet_naming_rule.constants_should_be_pascal_case.severity = suggestion
dotnet_naming_rule.constants_should_be_pascal_case.symbols = constants
dotnet_naming_rule.constants_should_be_pascal_case.style = constant_style
dotnet_naming_symbols.constants.applicable_kinds = field, local
dotnet_naming_symbols.constants.required_modifiers = const
dotnet_naming_style.constant_style.capitalization = pascal_case

# name static fields using camelCase and should have s_ prefix
dotnet_naming_rule.static_fields_should_be_camel_case.severity = suggestion
dotnet_naming_rule.static_fields_should_be_camel_case.symbols = static_fields
dotnet_naming_rule.static_fields_should_be_camel_case.style = static_field_style
dotnet_naming_symbols.static_fields.applicable_kinds = field
dotnet_naming_symbols.static_fields.required_modifiers = static
dotnet_naming_style.static_field_style.capitalization = camel_case
dotnet_naming_style.static_field_style.required_prefix = s_

# name instance fields using camelCase and start with _
dotnet_naming_rule.instance_fields_should_be_camel_case.severity = suggestion
dotnet_naming_rule.instance_fields_should_be_camel_case.symbols = instance_fields
dotnet_naming_rule.instance_fields_should_be_camel_case.style = instance_field_style
dotnet_naming_symbols.instance_fields.applicable_kinds = field
dotnet_naming_style.instance_field_style.capitalization = camel_case
dotnet_naming_style.instance_field_style.required_prefix = _

# name locals and parameters using camelCase
dotnet_naming_rule.locals_should_be_camel_case.severity = suggestion
dotnet_naming_rule.locals_should_be_camel_case.symbols = locals_and_parameters
dotnet_naming_rule.locals_should_be_camel_case.style = camel_case_style
dotnet_naming_symbols.locals_and_parameters.applicable_kinds = parameter, local
dotnet_naming_style.camel_case_style.capitalization = camel_case

# name local functions using PascalCase
dotnet_naming_rule.local_functions_should_be_pascal_case.severity = suggestion
dotnet_naming_rule.local_functions_should_be_pascal_case.symbols = local_functions
dotnet_naming_rule.local_functions_should_be_pascal_case.style = local_function_style
dotnet_naming_symbols.local_functions.applicable_kinds = local_function
dotnet_naming_style.local_function_style.capitalization = pascal_case

# name rest of items using PascalCase
dotnet_naming_rule.members_should_be_pascal_case.severity = suggestion
dotnet_naming_rule.members_should_be_pascal_case.symbols = all_members
dotnet_naming_rule.members_should_be_pascal_case.style = pascal_case_style
dotnet_naming_symbols.all_members.applicable_kinds = *
dotnet_naming_style.pascal_case_style.capitalization = pascal_case

[*.{cs,csx}]
# Modifier preferences
csharp_preferred_modifier_order = public,private,protected,internal,static,extern,new,virtual,abstract,sealed,override,readonly,unsafe,volatile,async:suggestion

# 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_case_contents_when_block = true
csharp_indent_switch_labels = true
csharp_indent_labels = one_less_than_current

# 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 = do_not_ignore
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

# Prefer "var" for built in types and when type is apparent. Otherwise, use explicit type
csharp_style_var_for_built_in_types = true:suggestion
csharp_style_var_when_type_is_apparent = true:suggestion
csharp_style_var_elsewhere = false:suggestion

# Put braces for single line expression such as if during code generation
csharp_prefer_braces = true:refactoring

# Preserve single line block but not statement
# https://docs.microsoft.com/en-us/visualstudio/ide/editorconfig-formatting-conventions?view=vs-2019
csharp_preserve_single_line_blocks = true
csharp_preserve_single_line_statements = false

# csharp 7.1+ and 8 features make code easier to read, this is only applicable when csharp version supports it
# https://docs.microsoft.com/en-us/visualstudio/ide/editorconfig-language-conventions?view=vs-2019
csharp_prefer_simple_default_expression = true:suggestion
csharp_prefer_static_local_function = true:suggestion
csharp_prefer_simple_using_statement = true:suggestion
csharp_style_prefer_switch_expression = true:suggestion

# 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

# Use array[^1] instead of array[array.Length - 1]
csharp_style_prefer_index_operator = true:suggestion
# Use array[^..4] instead of array[array.Length - 4]
csharp_style_prefer_range_operator = true:suggestion
# Prefer local function
csharp_style_pattern_local_over_anonymous_function = true:suggestion

# Expression-bodied members
# You can choose whether to use expression bodied method, constructors and operators.
# However, generated code will not use this style
csharp_style_expression_bodied_methods = false:refactoring
csharp_style_expression_bodied_constructors = false:refactoring
csharp_style_expression_bodied_operators = false:refactoring

# Suggest to use it on properties,indexers,accessors,lambdas and local functions
csharp_style_expression_bodied_properties = true:suggestion
csharp_style_expression_bodied_indexers = true:suggestion
csharp_style_expression_bodied_accessors = true:suggestion
csharp_style_expression_bodied_lambdas = true:suggestion
csharp_style_expression_bodied_local_functions = true:suggestion