Field context that is available for all fields that are an item in an array field.
API
interface ItemFieldContext<TValue> extends ChildFieldContext<TValue> {
readonly index: Signal<number>;
readonly override key: Signal<string>;
readonly override value: Signal<TValue>;
readonly override state: FieldState<TValue, string | number>;
readonly override fieldTree: FieldTree<TValue, string | number>;
override valueOf<PValue>(p: SchemaPath<PValue, SchemaPathRules, Root>): PValue;
override stateOf<PControl extends AbstractControl>(p: CompatSchemaPath<PControl, Root>): CompatFieldState<PControl, string | number>;
override stateOf<PValue>(p: SchemaPath<PValue, SchemaPathRules, Root>): FieldState<PValue, string | number>;
override fieldTreeOf<PModel>(p: SchemaPathTree<PModel, Root>): FieldTree<PModel, string | number>;
readonly override pathKeys: Signal<readonly string[]>;
}
index
Signal<number>The index of the current field in its parent field.
key
Signal<string>The key of the current field in its parent field.
value
Signal<TValue>A signal containing the value of the current field.
state
FieldState<TValue, string | number>The state of the current field.
fieldTree
FieldTree<TValue, string | number>The current field.
valueOf
PValueGets the value of the field represented by the given path.
@returns
PValue
stateOf
CompatFieldState<PControl, string | number>Gets the state of the field represented by the given path.
@returns
CompatFieldState<PControl, string | number>
stateOf
FieldState<PValue, string | number>
@returns
FieldState<PValue, string | number>
fieldTreeOf
FieldTree<PModel, string | number>Gets the field represented by the given path.
@returns
FieldTree<PModel, string | number>
pathKeys
Signal<readonly string[]>The list of keys that lead from the root field to the current field.