@1771technologies/lytenyte-pro/dist/cell-selection/is-center-col-rect.js

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

export function isCenterColRect(grid, rect) {
    const s = grid.state.columnMeta.get();
    return (rect.columnStart >= s.columnVisibleStartCount &&
        rect.columnStart < s.columnVisibleCenterCount + s.columnVisibleStartCount);
}