GroupHeaderRenderParams

Parameters passed to the groupHeaderRenderer and per-group renderer callbacks.

Example

groupHeaderRenderer: (params) => {
  const icons = { personal: '👤', work: '💼' };
  return `${icons[params.id] ?? '📁'} <strong>${params.label}</strong>`;
}

Properties

Property	Type	Description
id	string	The group ID (e.g. 'personal', 'work').
label	string	The group display label. Falls back to id if no label was provided.
columns	ColumnConfig<any>[]	The column configurations belonging to this group.
firstIndex	number	Zero-based index of the first column in this group within the visible columns array.
isImplicit	boolean	true for auto-generated groups that cover ungrouped columns. Always false when called from the renderer (implicit groups are skipped).