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		Qowaiv.Analyzers.CSharp

Qowaiv (static code) analyzers

Contains Roslyn (static code) diagnostic analyzers.

Rules

• QW0001 - Use a testable Time Provider
• QW0003 - Decorate pure functions
• QW0004 - Characters with Trojan Horse potential are not allowed
• QW0005 - Seal concrete classes unless designed for inheritance
• QW0006 - Only unsealed concrete classes should be decorated as inheritable
• QW0007 - Use file-scoped namespace declarations
• QW0008 - Define properties as not-nullable for types with a defined empty state
• QW0009 - Define properties as not-nullable for enums with a defined none/empty value
• QW0010 - Use System.DateOnly instead of Qowaiv.Date
• QW0011 - Define properties as immutables
• QW0012 - Use immutable types for properties
• QW0013 - Use Qowaiv decimal rounding
• QW0014 - Define global using statements separately
• QW0015 - Define global using statements in single file
• QW0016 - Prefer regular over positional properties
• QW0017 - Apply arithmetic operations on non-nullables only
• QW0018 - Use Qowaiv.Clock.TimeProvider

Data Annotation rules

• QW0100 - Define only one Required attribute
• QW0101 - Required attribute cannot invalidate value types
• QW0102 - Use compliant validation attributes

Code fixes

• Use Qowaiv.Clock (QW0001, S6354)
• Seal class (QW0005)
• Change property type to not-nullable (QW0008, QW0009)
• Change type System.DateOnly (QW0010)
• Apply suggestions of obsolete code attribute CS0618, CS0619)
• Use Qowaiv round extensions (QW0013)
• Use Qowaiv.Clock.TimeProvider (QW0018)