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

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

export function isCenterRect(rowCount, rowBottomCount, rowTopCount, rect) {
    const bottomStart = rowCount - rowBottomCount;
    return rect.rowStart < bottomStart && rect.rowStart >= rowTopCount;
}