@1771technologies/lytenyte-pro/dist/cell-selection/data-rect-from-cell-position.js

Blazingly fast headless React data grid with 100s of features.

export function dataRectFromCellPosition(position) {
    if (position.root) {
        const r = position.root;
        return {
            rowStart: r.rowIndex,
            rowEnd: r.rowIndex + r.rowSpan,
            columnStart: r.colIndex,
            columnEnd: r.colIndex + r.colSpan,
        };
    }
    return {
        rowStart: position.rowIndex,
        rowEnd: position.rowIndex + 1,
        columnStart: position.colIndex,
        columnEnd: position.colIndex + 1,
    };
}