@1771technologies/lytenyte-pro/dist/cell-selection/are-rects-equal.js

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

export function areRectsEqual(left, right) {
    return (left.rowStart === right.rowStart &&
        left.rowEnd === right.rowEnd &&
        left.columnStart === right.columnStart &&
        left.columnEnd === right.columnEnd);
}