@sqlrooms/data-table / ArrowDataTableValueFormatter

Type Alias: ArrowDataTableValueFormatter

ArrowDataTableValueFormatter = ArrowCellValueFormatter

Formatter for rendering Arrow cell values in data tables. Return a string to override the default formatting. If you don't return anything (or return undefined), the default formatter is used.

Param

The Arrow DataType for the column

Param

The raw cell value

Returns

A formatted string, or undefined/nothing to fall back to the default

Example

formatValue: (type, value) => {
  if (arrow.DataType.isDecimal(type)) {
    return `$${value}`;
  }
  if (arrow.DataType.isBinary(type) && value instanceof Uint8Array) {
    return `${value.byteLength} bytes`;
  }
}