OptionalkeepWhen clamping by width or height, scale the other axis by the same amount.
Set to false when zooming along a single axis (e.g., wheel({ axis: 'x' })).
OptionalmaxMaximum height
OptionalmaxMaximum scale
OptionalmaxMaximum width
OptionalminMinimum height
OptionalminMinimum scale
OptionalminMinimum width
Options for ClampZoom.
Use either minimum width/height or minimum scale