@mui/x-data-grid-pro/hooks/features/multiSelect/gridMultiSelectInterfaces.d.mts

The Pro plan edition of the MUI X Data Grid components.

/**
 * Grid-level metrics measured from a hidden sample chip rendered by `GridMultiSelectMeasurer`.
 * Used by chip cells to size the `+N` overflow chip without hardcoding font/style assumptions.
 */
export interface GridMultiSelectOverflowMetrics {
  /**
   * Width (in CSS pixels) of the `+N` overflow chip, indexed by digit count.
   * `overflowChipWidths[0]` = width for 1-digit "+9", `[1]` = "+99", `[2]` = "+999".
   * For `hiddenCount` ≥ 10⁴, the last entry is reused.
   */
  overflowChipWidths: number[];
  /** Gap between sibling chips, read from the chip row's computed style. */
  gap: number;
}
/**
 * Per-grid cache for multiSelect runtime data.
 * `getOverflowMetrics` / `setOverflowMetrics` / `subscribeOverflowMetrics`: grid-level overflow
 * chip metrics produced by the single `GridMultiSelectMeasurer` mounted in the grid root,
 * consumed by every multiSelect chip cell (the metrics are identical across columns).
 */
export interface GridMultiSelectInternalCache {
  getOverflowMetrics: () => GridMultiSelectOverflowMetrics | null;
  setOverflowMetrics: (metrics: GridMultiSelectOverflowMetrics) => void;
  subscribeOverflowMetrics: (callback: (metrics: GridMultiSelectOverflowMetrics | null) => void) => () => void;
  teardown: () => void;
}