Function hasField

hasField<State, Ext>(
    definition: FormDefinition<State, Ext>,
    key: string,
    pins: Pins,
    ext: Ext,
): boolean
Does this field exist under these choices, with everything unpinned resolved to its default?

More accurate than a structural walk, which has to guess at conditions it cannot evaluate — here the real resolver decides.
Type Parameters
- State
- Ext
Parameters
- definition: FormDefinition<State, Ext>
- key: string
- pins: Pins
- ext: Ext
Returns boolean
- Defined in src/lib/core/introspect.ts:34