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HeaderCell represents the model of a <th> element in <tr>.

# Usage

# id: string

A constant id that uniquely identifies the header cell in the row.

# attrs: () => Readable<HeaderCellAttributes>

A Readable store with attributes to apply onto the <th> element.

# props: () => Readable<HeaderCellProps>

A Readable store with additional properties derived from plugin view model extensions.

# render: () => RenderConfig

Returns the render configuration of the header cell. Pass into Render#of.

<tr>
  {#each headerRow.cells as cell (cell.id)}
    <Subscribe attrs={cell.attrs()} let:attrs>
      <th {...attrs}>
        <Render of={cell.render()} />
      </th>
    </Subscribe>
  {/each}
</tr>

# isFlat: () => boolean

Returns true if the header cell is an instance of FlatHeaderCell.

# isData: () => boolean

Returns true if the header cell is an instance of DataHeaderCell.

# isFlatDisplay: () => boolean

Returns true if the header cell is an instance of FlatDisplayHeaderCell.

# isGroup: () => boolean

Returns true if the header cell is an instance of GroupHeaderCell.

# isGroupDisplay: () => boolean

Returns true if the header cell is an instance of GroupDisplayHeaderCell.

Variants

# FlatHeaderCell

FlatHeaderCells represent header cells on the last header row in the table header.

# DataHeaderCell

DataHeaderCell is a FlatHeaderCell that is backed by a specific data attribute.

DataHeaderCells are usually created with Table#column.

# accessorKey?: string

The attribute key of the data item.

# accessorFn?: (item) => unknown

The function to derive the data attribute.

# FlatDisplayHeaderCell

FlatDisplayHeaderCell is a FlatHeaderCell that is not backed by any data attribute.

FlatDisplayHeaderCells are usually created with Table#display.

# GroupHeaderCell

GroupHeaderCells represent header cells that span over other header cells.

# ids: string[]

A list of ids of the cells that this group cell currently spans over.

ids is affected by column re-ordering and hiding.

# allIds: string[]

A list of ids of the cells grouped by this group cell.

allIds is not affected by column re-ordering and hiding.

# allId: string

A comma-joined string for allIds. allId should not be used as a unique identifier because there can be multiple groups with the same allId.

# GroupDisplayHeaderCell

GroupDisplayHeaderCell is a GroupHeaderCell that is not backed by any data attribute.