@base-ui-components/react/popover/viewport/PopoverViewportDataAttributes.d.ts

Base UI is a library of headless ('unstyled') React components and low-level hooks. You gain complete control over your app's CSS and accessibility features.

export declare enum PopoverViewportDataAttributes {
  /**
   * Applied to the direct child of the viewport when no transitions are present or the new content when it's entering.
   */
  current = "data-current",
  /**
   * Applied to the direct child of the viewport that contains the exiting content when transitions are present.
   */
  previous = "data-previous",
  /**
   * Indicates the direction from which the popup was activated.
   * This can be used to create directional animations based on how the popup was triggered.
   * Contains space-separated values for both horizontal and vertical axes.
   * @type {`${'left' | 'right'} {'top' | 'bottom'}`}
   */
  activationDirection = "data-activation-direction",
  /**
   * Indicates that the viewport is currently transitioning between old and new content.
   */
  transitioning = "data-transitioning",
}