Create TypeScript Value Objects with tryCreate validation and Result types.
npx skills add https://github.com/paulotks/CodeLeapTest --skill value-object-paulotks
Please help me install this Agent Skill. Skill: value-object Source: https://github.com/paulotks/CodeLeapTest/tree/main/.agent/skills/value-object Command: npx skills add https://github.com/paulotks/CodeLeapTest --skill value-object-paulotks
This Skill helps enforce data integrity and business rules within the application's domain by creating and managing Value Objects, ensuring data is valid and normalized before use.
tryCreate methods, and Result types for validation.Username Value Object is used to validate that the username is not empty and does not exceed the maximum allowed length, returning a clear error if validation fails.Create a new Value Object for a 'PostCategory' that must be a non-empty string.
High-intent search queries and answers about installing and using this skill.
To enforce immutability and validation in TypeScript, use Value Objects with private constructors. This ensures domain attributes are strictly validated and normalized before use, preventing invalid data from entering the system.
You can validate domain rules in TypeScript without throwing exceptions by using a tryCreate pattern. This method returns a Result type, providing a clear error if validation fails instead of interrupting execution flow.
The best way to create a Value Object in domain-driven design is by following a strict pattern. This includes using private constructors, a tryCreate method, and a Result type to ensure data integrity and consistent formatting.
You need Value Objects in a TypeScript domain model when creating attributes that require strict validation rules, such as ensuring a Username is not empty or a PostTitle stays within length limits.
Yes, you can use Value Objects to normalize data formats for domain entities. They ensure that attributes meet specific criteria and are consistently formatted before the data is utilized.
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