@1771technologies/lytenyte-pro/dist/cell-selection/deselect-rect-range.js

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

import { isOverlappingRect } from "./is-overlapping-rect.js";
export function deselectRectRange(rect, deselectRect) {
    if (!isOverlappingRect(rect, deselectRect))
        return [rect];
    const result = [];
    // Check for top split
    if (deselectRect.rowStart > rect.rowStart) {
        result.push({
            rowStart: rect.rowStart,
            rowEnd: deselectRect.rowStart,
            columnStart: rect.columnStart,
            columnEnd: rect.columnEnd,
        });
    }
    // Check for bottom split
    if (deselectRect.rowEnd < rect.rowEnd) {
        result.push({
            rowStart: deselectRect.rowEnd,
            rowEnd: rect.rowEnd,
            columnStart: rect.columnStart,
            columnEnd: rect.columnEnd,
        });
    }
    // Check for left split
    if (deselectRect.columnStart > rect.columnStart) {
        result.push({
            rowStart: Math.max(deselectRect.rowStart, rect.rowStart),
            rowEnd: Math.min(deselectRect.rowEnd, rect.rowEnd),
            columnStart: rect.columnStart,
            columnEnd: deselectRect.columnStart,
        });
    }
    // Check for right split
    if (deselectRect.columnEnd < rect.columnEnd) {
        result.push({
            rowStart: Math.max(deselectRect.rowStart, rect.rowStart),
            rowEnd: Math.min(deselectRect.rowEnd, rect.rowEnd),
            columnStart: deselectRect.columnEnd,
            columnEnd: rect.columnEnd,
        });
    }
    return result.filter((rect) => !(rect.rowStart >= rect.rowEnd || rect.columnStart >= rect.columnEnd));
}