Function Dropdown

Dropdown(
    mapping: any,
    selected?: undefined | ((target: any, value: any) => Promise<boolean>),
    readable?: Mode,
    searchThreshold?: number,
    maxCount?: number,
): PropertyDecorator
Property decorator that specifies that the property should use the dropdown editor.
Parameters
- mapping: any
  The mapping from dropdown option name to option value.
- selected: undefined | ((target: any, value: any) => Promise<boolean>) = undefined
  The callback function triggered prior to the value being set.
- readable: Mode = Naming.Mode.Default
  The naming mode used to transform the dropdown values to readable labels.
- searchThreshold: number = 10
  The minimum number of items required to display the search box.
- maxCount: number = 10
  The maximum number of items to display.
Returns PropertyDecorator
The property decorator instance.

Decorator