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Validation

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stacks-validation · Backend and API · model-invoked

Type guards, numeric checks, and the schema builder that model attributes and request validation are both written against.

When to reach for it

  • Type guards (isString, isNumber, isBoolean, isObject, isArray, isFunction, etc.)
  • Numeric checks (isPositive, isEven, isInteger)
  • The schema builder for model attribute validation
  • Request validation

Covers

@stacksjs/validation.

Inside the skill

The sections an agent reads once the skill loads.

  • Key Paths
  • Architecture
  • Type Guards (index.ts)
  • Extended Type Guards (is.ts)
  • Numeric Checks (is.ts)
  • Schema Builder (schema.ts)
  • Model Validation (validator.ts)
  • Error Reporter (reporter.ts)
  • Error Reporter Contract (from rules.ts)
  • Re-exports from @stacksjs/ts-validation
  • Validation Types (types/index.ts)
  • Gotchas

Where the code lives

  • Core package: storage/framework/core/validation/src/
  • Package: @stacksjs/validation

Using it

This one is model-invoked. Your agent reaches for it on its own when the task matches, and you can also call it by name:

/stacks-validation

Source: stacks-validation/SKILL.md. Shadow it for one project with app/Skills/stacks-validation/SKILL.md, then re-run buddy setup:ai. See Writing your own.