## Collapsible Mixin which adds collapse/expand semantics. This mixin does not produce any user-visible effects. Instead it applies a `basic-collapsed` CSS class to the component host if the host is collapsed. It also invokes a `render` function that can be overridden to apply custom effects. **Kind**: global class * [Collapsible](#Collapsible) * [.collapsed](#Collapsible+collapsed) : boolean * [.collapse()](#Collapsible+collapse) * [.expand()](#Collapsible+expand) * [.render(collapsing)](#Collapsible+render) * [.toggle()](#Collapsible+toggle) ### collapsible.collapsed : boolean True if the component is curently collapsed. **Kind**: instance property of [Collapsible](#Collapsible) **Default**: false ### collapsible.collapse() Collapse the component. This is equivalent to setting the `collapsed` property to true. **Kind**: instance method of [Collapsible](#Collapsible) ### collapsible.expand() Expand the component. This is equivalent to setting the `collapsed` property to false. **Kind**: instance method of [Collapsible](#Collapsible) ### collapsible.render(collapsing) Perform custom rendering of the collapse/expand transition. You can override this method to perform custom effects. If you do so, be sure to invoke `super()` in your implementation to get the baseline behavior. **Kind**: instance method of [Collapsible](#Collapsible) | Param | Type | Description | | --- | --- | --- | | collapsing | boolean | True if the component is being collapsed, false if it's being expanded. | ### collapsible.toggle() Toggle the component's collapsed state. **Kind**: instance method of [Collapsible](#Collapsible)