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| 1 | +# Top-most EditorConfig file |
| 2 | +root = true |
| 3 | + |
| 4 | +# ─── Universal ─────────────────────────────────────────────────────────────── |
| 5 | +[*] |
| 6 | +indent_style = space |
| 7 | +indent_size = 4 |
| 8 | +end_of_line = lf |
| 9 | +charset = utf-8 |
| 10 | +trim_trailing_whitespace = true |
| 11 | +insert_final_newline = true |
| 12 | + |
| 13 | +# ─── Solution / project files ──────────────────────────────────────────────── |
| 14 | +[*.{sln,csproj,props,targets}] |
| 15 | +indent_size = 2 |
| 16 | + |
| 17 | +# ─── JSON / YAML / XML config ──────────────────────────────────────────────── |
| 18 | +[*.{json,yml,yaml,xml,config,runsettings,}] |
| 19 | +indent_size = 2 |
| 20 | + |
| 21 | +# ─── Markdown ──────────────────────────────────────────────────────────────── |
| 22 | +[*.md] |
| 23 | +trim_trailing_whitespace = false |
| 24 | + |
| 25 | +# ─── C# ────────────────────────────────────────────────────────────────────── |
| 26 | +[*.cs] |
| 27 | + |
| 28 | +# --- Formatting: indentation & spacing --------------------------------------- |
| 29 | +csharp_indent_case_contents = true |
| 30 | +csharp_indent_switch_labels = true |
| 31 | +csharp_space_after_cast = false |
| 32 | +csharp_space_after_keywords_in_control_flow_statements = true |
| 33 | +csharp_space_between_method_declaration_parameter_list_parentheses = false |
| 34 | +csharp_space_between_method_call_parameter_list_parentheses = false |
| 35 | +csharp_space_before_colon_in_inheritance_clause = true |
| 36 | +csharp_space_after_colon_in_inheritance_clause = true |
| 37 | + |
| 38 | +# --- Formatting: new lines --------------------------------------------------- |
| 39 | +csharp_new_line_before_open_brace = all |
| 40 | +csharp_new_line_before_else = true |
| 41 | +csharp_new_line_before_catch = true |
| 42 | +csharp_new_line_before_finally = true |
| 43 | +csharp_new_line_before_members_in_object_initializers = true |
| 44 | +csharp_new_line_before_members_in_anonymous_types = true |
| 45 | +csharp_new_line_between_query_expression_clauses = true |
| 46 | + |
| 47 | +# --- Formatting: wrapping ---------------------------------------------------- |
| 48 | +csharp_preserve_single_line_statements = false |
| 49 | +csharp_preserve_single_line_blocks = true |
| 50 | + |
| 51 | +# --- Language rules: this. qualification ------------------------------------- |
| 52 | +dotnet_style_qualification_for_field = false:warning |
| 53 | +dotnet_style_qualification_for_property = false:warning |
| 54 | +dotnet_style_qualification_for_method = false:warning |
| 55 | +dotnet_style_qualification_for_event = false:warning |
| 56 | + |
| 57 | +# --- Language rules: built-in type aliases ----------------------------------- |
| 58 | +dotnet_style_predefined_type_for_locals_parameters_members = true:warning |
| 59 | +dotnet_style_predefined_type_for_member_access = true:warning |
| 60 | + |
| 61 | +# --- Language rules: var usage ----------------------------------------------- |
| 62 | +csharp_style_var_for_built_in_types = false:warning |
| 63 | +csharp_style_var_when_type_is_apparent = true:suggestion |
| 64 | +csharp_style_var_elsewhere = false:suggestion |
| 65 | + |
| 66 | +# --- Language rules: expression-bodied members ------------------------------- |
| 67 | +csharp_style_expression_bodied_methods = when_on_single_line:suggestion |
| 68 | +csharp_style_expression_bodied_constructors = false:warning |
| 69 | +csharp_style_expression_bodied_operators = when_on_single_line:suggestion |
| 70 | +csharp_style_expression_bodied_properties = true:suggestion |
| 71 | +csharp_style_expression_bodied_indexers = true:suggestion |
| 72 | +csharp_style_expression_bodied_accessors = true:suggestion |
| 73 | +csharp_style_expression_bodied_lambdas = true:suggestion |
| 74 | +csharp_style_expression_bodied_local_functions = when_on_single_line:suggestion |
| 75 | + |
| 76 | +# --- Language rules: pattern matching ---------------------------------------- |
| 77 | +csharp_style_pattern_matching_over_is_with_cast_check = true:warning |
| 78 | +csharp_style_pattern_matching_over_as_with_null_check = true:warning |
| 79 | +csharp_style_prefer_switch_expression = true:suggestion |
| 80 | +csharp_style_prefer_pattern_matching = true:suggestion |
| 81 | +csharp_style_prefer_not_pattern = true:suggestion |
| 82 | +csharp_style_prefer_extended_property_pattern = true:suggestion |
| 83 | + |
| 84 | +# --- Language rules: null checking ------------------------------------------- |
| 85 | +csharp_style_prefer_null_coalescing_assignment = true:warning |
| 86 | +dotnet_style_null_propagation = true:warning |
| 87 | +dotnet_style_prefer_is_null_check_for_reference_equality_checks = true:warning |
| 88 | +csharp_style_throw_expression = true:suggestion |
| 89 | +csharp_style_conditional_delegate_call = true:warning |
| 90 | + |
| 91 | +# --- Language rules: modern C# features -------------------------------------- |
| 92 | +csharp_style_prefer_primary_constructors = true:suggestion |
| 93 | +csharp_style_prefer_collection_expressions = true:suggestion |
| 94 | +csharp_prefer_simple_default_expression = true:warning |
| 95 | +csharp_style_prefer_local_over_anonymous_function = true:suggestion |
| 96 | +csharp_style_prefer_index_operator = true:suggestion |
| 97 | +csharp_style_prefer_range_operator = true:suggestion |
| 98 | +csharp_style_implicit_object_creation_when_type_is_apparent = true:suggestion |
| 99 | +csharp_style_prefer_tuple_swap = true:suggestion |
| 100 | +csharp_style_prefer_utf8_string_literals = true:suggestion |
| 101 | + |
| 102 | +# --- Language rules: using directives ---------------------------------------- |
| 103 | +csharp_using_directive_placement = outside_namespace:warning |
| 104 | +dotnet_sort_system_directives_first = true |
| 105 | +dotnet_separate_import_directive_groups = false |
| 106 | + |
| 107 | +# --- Language rules: namespace style ----------------------------------------- |
| 108 | +csharp_style_namespace_declarations = file_scoped:warning |
| 109 | + |
| 110 | +# --- Language rules: modifiers ----------------------------------------------- |
| 111 | +dotnet_style_require_accessibility_modifiers = for_non_interface_members:warning |
| 112 | +csharp_prefer_static_local_function = true:suggestion |
| 113 | +dotnet_style_readonly_field = true:warning |
| 114 | +csharp_style_prefer_readonly_struct = true:suggestion |
| 115 | +csharp_style_prefer_readonly_struct_member = true:suggestion |
| 116 | + |
| 117 | +# --- Language rules: code block preferences ---------------------------------- |
| 118 | +csharp_prefer_braces = true:warning |
| 119 | +csharp_prefer_simple_using_statement = true:suggestion |
| 120 | +csharp_style_prefer_method_group_conversion = true:suggestion |
| 121 | +csharp_style_prefer_top_level_statements = true:suggestion |
| 122 | + |
| 123 | +# --- Dotnet style: object/collection initializers ---------------------------- |
| 124 | +dotnet_style_object_initializer = true:suggestion |
| 125 | +dotnet_style_collection_initializer = true:suggestion |
| 126 | +dotnet_style_prefer_collection_expression = true:suggestion |
| 127 | +dotnet_style_explicit_tuple_names = true:warning |
| 128 | +dotnet_style_prefer_inferred_tuple_names = true:suggestion |
| 129 | +dotnet_style_prefer_inferred_anonymous_type_member_names = true:suggestion |
| 130 | +dotnet_style_prefer_auto_properties = true:suggestion |
| 131 | +dotnet_style_prefer_conditional_expression_over_assignment = true:suggestion |
| 132 | +dotnet_style_prefer_conditional_expression_over_return = true:suggestion |
| 133 | +dotnet_style_prefer_compound_assignment = true:warning |
| 134 | +dotnet_style_prefer_simplified_interpolation = true:suggestion |
| 135 | +dotnet_style_prefer_simplified_boolean_expressions = true:warning |
| 136 | +dotnet_style_operator_placement_when_wrapping = beginning_of_line |
| 137 | + |
| 138 | +# --- Naming conventions ------------------------------------------------------ |
| 139 | +# Interfaces: IPascalCase |
| 140 | +dotnet_naming_rule.interface_should_be_prefixed_with_i.severity = warning |
| 141 | +dotnet_naming_rule.interface_should_be_prefixed_with_i.symbols = interface |
| 142 | +dotnet_naming_rule.interface_should_be_prefixed_with_i.style = prefix_i_style |
| 143 | + |
| 144 | +dotnet_naming_symbols.interface.applicable_kinds = interface |
| 145 | +dotnet_naming_symbols.interface.applicable_accessibilities = public, internal |
| 146 | + |
| 147 | +dotnet_naming_style.prefix_i_style.required_prefix = I |
| 148 | +dotnet_naming_style.prefix_i_style.capitalization = pascal_case |
| 149 | + |
| 150 | +# Type parameters: TPascalCase |
| 151 | +dotnet_naming_rule.type_parameters_should_be_prefixed_with_t.severity = warning |
| 152 | +dotnet_naming_rule.type_parameters_should_be_prefixed_with_t.symbols = type_parameter |
| 153 | +dotnet_naming_rule.type_parameters_should_be_prefixed_with_t.style = prefix_t_style |
| 154 | + |
| 155 | +dotnet_naming_symbols.type_parameter.applicable_kinds = type_parameter |
| 156 | +dotnet_naming_style.prefix_t_style.required_prefix = T |
| 157 | +dotnet_naming_style.prefix_t_style.capitalization = pascal_case |
| 158 | + |
| 159 | +# Private fields: _camelCase |
| 160 | +dotnet_naming_rule.private_fields_should_be_camel_case.severity = warning |
| 161 | +dotnet_naming_rule.private_fields_should_be_camel_case.symbols = private_fields |
| 162 | +dotnet_naming_rule.private_fields_should_be_camel_case.style = underscore_camel_case_style |
| 163 | + |
| 164 | +dotnet_naming_symbols.private_fields.applicable_kinds = field |
| 165 | +dotnet_naming_symbols.private_fields.applicable_accessibilities = private, protected |
| 166 | + |
| 167 | +dotnet_naming_style.underscore_camel_case_style.required_prefix = _ |
| 168 | +dotnet_naming_style.underscore_camel_case_style.capitalization = camel_case |
| 169 | + |
| 170 | +# Async methods: PascalCaseAsync |
| 171 | +dotnet_naming_rule.async_methods_end_in_async.severity = warning |
| 172 | +dotnet_naming_rule.async_methods_end_in_async.symbols = async_methods |
| 173 | +dotnet_naming_rule.async_methods_end_in_async.style = end_in_async_style |
| 174 | + |
| 175 | +dotnet_naming_symbols.async_methods.applicable_kinds = method |
| 176 | +dotnet_naming_symbols.async_methods.required_modifiers = async |
| 177 | + |
| 178 | +dotnet_naming_style.end_in_async_style.required_suffix = Async |
| 179 | +dotnet_naming_style.end_in_async_style.capitalization = pascal_case |
| 180 | + |
| 181 | +# Constants: PascalCase |
| 182 | +dotnet_naming_rule.constants_should_be_pascal_case.severity = warning |
| 183 | +dotnet_naming_rule.constants_should_be_pascal_case.symbols = constants |
| 184 | +dotnet_naming_rule.constants_should_be_pascal_case.style = pascal_case_style |
| 185 | + |
| 186 | +dotnet_naming_symbols.constants.applicable_kinds = field, local |
| 187 | +dotnet_naming_symbols.constants.required_modifiers = const |
| 188 | + |
| 189 | +dotnet_naming_style.pascal_case_style.capitalization = pascal_case |
| 190 | + |
| 191 | +# ─── Analyzer severity overrides ───────────────────────────────────────────── |
| 192 | +[*.cs] |
| 193 | +# Treat style violations as build warnings (enforced in CI via -warnaserror) |
| 194 | +dotnet_analyzer_diagnostic.category-Style.severity = warning |
| 195 | +# Uncomment to escalate to errors in CI: |
| 196 | +# dotnet_analyzer_diagnostic.category-Style.severity = error |
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