Class LayoutInfo

packages/react-stately/src/virtualizer/LayoutInfo.ts:22–125

 * The virtualizer uses this information when creating actual DOM elements to display.
 */
export class LayoutInfo {
  /**
   * The type of element represented by this LayoutInfo. Should match the `type` of the
   * corresponding collection node.
   */
  type: string;

  /**
   * A unique key for this LayoutInfo. Should match the `key` of the corresponding collection node.
   */
  key: Key;

  /**
   * The key for a parent LayoutInfo, if any.
   */
  parentKey: Key | null;

  /**
   * Content for this item if it was generated by the layout rather than coming from the Collection.
   */
  content: any | null;

  /**
   * The rectangle describing the size and position of this element.
   */
  rect: Rect;

  /**
   * Whether the size is estimated. `false` by default.
   * Items with estimated sizes will be measured the first time they are added to the DOM.
   * The estimated size is used to calculate the size and position of the scrollbar.
   *
   * @default false
   */
  estimatedSize: boolean;

  /**
   * Whether the layout info sticks to the viewport when scrolling.
   *
   * @default false
   */
  isSticky: boolean;

  /**
   * The element's opacity.
   *
   * @default 1
   */
  opacity: number;

  /**
   * A CSS transform string to apply to the element. `null` by default.
   */
  transform: string | null;

  /**
   * The z-index of the element. 0 by default.
   */