.editorconfig Template

Purpose

.editorconfig defines formatting and analyzer behaviour across IDEs and build tools.

Template

root = true

[*]
charset = utf-8
end_of_line = crlf
insert_final_newline = true
trim_trailing_whitespace = true

[*.{cs,csx}]
indent_style = space
indent_size = 4

# C# style
csharp_style_namespace_declarations = file_scoped:warning
csharp_style_var_for_built_in_types = true:suggestion
csharp_style_var_when_type_is_apparent = true:suggestion
csharp_style_var_elsewhere = false:suggestion
csharp_prefer_braces = true:warning
csharp_style_expression_bodied_methods = false:suggestion
csharp_style_expression_bodied_properties = true:suggestion

# .NET style
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
dotnet_style_require_accessibility_modifiers = always:warning
dotnet_style_readonly_field = true:warning

# Naming
dotnet_naming_rule.private_fields_should_be_camel_case.severity = warning
dotnet_naming_rule.private_fields_should_be_camel_case.symbols = private_fields
dotnet_naming_rule.private_fields_should_be_camel_case.style = prefix_underscore

dotnet_naming_symbols.private_fields.applicable_kinds = field
dotnet_naming_symbols.private_fields.applicable_accessibilities = private

dotnet_naming_style.prefix_underscore.required_prefix = _
dotnet_naming_style.prefix_underscore.capitalization = camel_case

# Analyzer severity examples
dotnet_diagnostic.CA2007.severity = none
dotnet_diagnostic.CA1822.severity = suggestion
dotnet_diagnostic.CA1848.severity = suggestion

Project Tuning

Teams may tune analyzer severities but must not weaken security, correctness or reliability rules without approval.