self-assert

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self-assertDesign objects that are fully responsible for their validity

A small TypeScript library for designing models with built-in validity.

Getting started
What is self-assert?

Assistants for Guided Construction

DraftAssistants support step-by-step creation of valid objects — ideal for UIs, APIs, or data entry.

Supports Async Rules

Use Inquiries when validations require external checks, like database uniqueness or remote lookups.