Generates appropriate default values for different field types in dynamic forms.

Uses registry configuration to determine how each field type should handle values. Supports exclude/flatten/include modes based on field type registration.

Presentation

function getFieldDefaultValue(
  field: FieldDef<unknown>,
  registry: Map<string, FieldTypeDefinition<any>>,
): unknown;

Returns

unknown -

Appropriate default value based on field type and configuration

Parameters

Name	Type	Description
field	`FieldDef<unknown>`	Field definition to generate default value for
registry	`Map<string, FieldTypeDefinition<any>>`	Field type registry for value handling configuration

Example usage

// Basic input field defaults to empty string
getFieldDefaultValue({ type: 'input', key: 'email' }, registry); // ''

// Excluded fields (like text/row) return undefined
getFieldDefaultValue({ type: 'text', key: 'label' }, registry); // undefined

// Group field returns object with child defaults
getFieldDefaultValue({
  type: 'group',
  key: 'address',
  fields: [
    { type: 'input', key: 'street' },
    { type: 'input', key: 'city', value: 'New York' }
  ]
}, registry); // { street: '', city: 'New York' }