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addSubRows defines the data for deriving the sub-rows of a row. It is commonly used with addExpandedRows to visualize sub-rows.

The id of a sub-row is in the format {parentId}>{id}. A nested sub-row can be referred to by concatenating the ids of its parent rows to the top-level row.

# Options

const table = createTable(data, {
  sub: addSubRows({ ... }),
});

# children: string | (item) => Item[]

Defines child items. Child items must be an array of items with same type as the parent item.

If children is a string, the child items must exist as a direct property on each data item. If a nested property or computed property is needed, pass a function that receives a data item and returns an array of child items.

If the child items returned is undefined or [], no sub-rows will be generated for the row.

# Column Options

const columns = table.createColumns([
  table.column({
    header: 'Name',
    accessor: 'name',
    plugins: {
      sub: { ... },
    },
  }),
]);

Nothing here so far.

# Prop Set

{#each $headerRows as headerRow (headerRow.id)}
  <Subscribe rowProps={headerRow.props()} let:rowProps>
    {rowProps.sub} <!-- HeaderRow props -->
    {#each headerRow.cells as cell (cell.id)}
      <Subscribe props={cell.props()} let:props>
        {props.sub} <!-- HeaderCell props -->
      </Subscribe>
    {/each}
  </Subscribe>
{/each}

Nothing here so far.

# Plugin State

const { headerRows, rows, pluginStates } = table.createViewModel(columns);
const { ... } = pluginStates.sub;

Nothing here so far.

# Interactions with other plugins

# addSortBy

When addSubRows is defined before addSortBy, all sub-rows will be sorted within each group.

When addSubRows is defined after addSortBy, only the top-level rows will be sorted.

# addColumnFilters

When addSubRows is defined before addColumnFilters, all sub-rows will be searched for matching values. If a row has a sub-row that matches the filter, it will not be hidden even if it does not match the filter itself.

When addSubRows is defined after addColumnFilters, only the top-level rows will be searched for matching values.

# addTableFilter

When addSubRows is defined before addTableFilter, all sub-rows will be searched for matching values. If a row has a sub-row that matches the filter, it will not be hidden even if it does not match the filter itself.

When addSubRows is defined after addTableFilter, only the top-level rows will be searched for matching values.

# Examples

addSubRows does not provide any visual feedback. Refer to addExpandedRows for examples.