Rules

Boolean

Validate boolean fields with true or false expectations.

Use bool("field") for boolean fields.

Teki schema = Teki.fromRules(
    bool("termsAccepted").isTrue(),
    bool("archived").isFalse()
);

Available methods

Method	Purpose
`required()`	Reject missing values
`optional()`	Skip validation when the value is missing
`isTrue()`	Require the value to be `true`
`isFalse()`	Require the value to be `false`
`custom(Rule)`	Attach a custom rule

bool(...) is for explicit boolean assertions, such as requiring a terms checkbox to be accepted.

Number

Validate numeric fields with range, length, and default rules.

Array

Validate arrays, iterables, array elements, and arrays of objects.