Class: TouchBarScrubber

Create a scrubber (a scrollable selector)

Process: Main
This class is not exported from the 'electron' module. It is only available as a return value of other methods in the Electron API.

`new TouchBarScrubber(options)`

options Object
- items ScrubberItem[] - An array of items to place in this scrubber.
- select Function (optional) - Called when the user taps an item that was not the last tapped item.
  - selectedIndex Integer - The index of the item the user selected.
- highlight Function (optional) - Called when the user taps any item.
  - highlightedIndex Integer - The index of the item the user touched.
- selectedStyle string (optional) - Selected item style. Can be background, outline or none. Defaults to none.
- overlayStyle string (optional) - Selected overlay item style. Can be background, outline or none. Defaults to none.
- showArrowButtons boolean (optional) - Whether to show arrow buttons. Defaults to false and is only shown if items is non-empty.
- mode string (optional) - Can be fixed or free. The default is free.
- continuous boolean (optional) - Defaults to true.

Instance Properties

The following properties are available on instances of TouchBarScrubber:

`touchBarScrubber.items`

A ScrubberItem[] array representing the items in this scrubber. Updating this value immediately updates the control in the touch bar. Updating deep properties inside this array does not update the touch bar.

`touchBarScrubber.selectedStyle`

A string representing the style that selected items in the scrubber should have. Updating this value immediately updates the control in the touch bar. Possible values:

background - Maps to [NSScrubberSelectionStyle roundedBackgroundStyle].
outline - Maps to [NSScrubberSelectionStyle outlineOverlayStyle].
none - Removes all styles.

`touchBarScrubber.overlayStyle`

A string representing the style that selected items in the scrubber should have. This style is overlaid on top of the scrubber item instead of being placed behind it. Updating this value immediately updates the control in the touch bar. Possible values:

background - Maps to [NSScrubberSelectionStyle roundedBackgroundStyle].
outline - Maps to [NSScrubberSelectionStyle outlineOverlayStyle].
none - Removes all styles.

`touchBarScrubber.showArrowButtons`

A boolean representing whether to show the left / right selection arrows in this scrubber. Updating this value immediately updates the control in the touch bar.

`touchBarScrubber.mode`

A string representing the mode of this scrubber. Updating this value immediately updates the control in the touch bar. Possible values:

fixed - Maps to NSScrubberModeFixed.
free - Maps to NSScrubberModeFree.

`touchBarScrubber.continuous`

A boolean representing whether this scrubber is continuous or not. Updating this value immediately updates the control in the touch bar.