@microsoft/fast-element > when
when() function
A directive that enables basic conditional rendering in a template.
Signature:export declare function when<TSource = any, TReturn = any>(binding: Binding<TSource, TReturn>, templateOrTemplateBinding: SyntheticViewTemplate | Binding<TSource, SyntheticViewTemplate>): CaptureType<TSource>;
Parameters
| Parameter | Type | Description |
|---|---|---|
| binding | Binding<TSource, TReturn> | The condition to test for rendering. |
| templateOrTemplateBinding | SyntheticViewTemplate | Binding<TSource, SyntheticViewTemplate> | The template or a binding that gets the template to render when the condition is true. |
CaptureType<TSource>