@1771technologies/lytenyte-pro/dist/data-source-server/source/use-rows-between.js

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

import { useEvent } from "@1771technologies/lytenyte-core/internal";
export function useRowsBetween(source) {
    const rowsBetween = useEvent((startId, endId) => {
        const left = source.flat.rowIdToRowIndex.get(startId);
        const right = source.flat.rowIdToRowIndex.get(endId);
        if (left == null || right == null)
            return [];
        const start = Math.min(left, right);
        const end = Math.max(left, right);
        const ids = [];
        for (let i = start; i <= end + 1; i++) {
            const row = source.flat.rowIndexToRow.get(i);
            if (!row)
                continue;
            ids.push(row.id);
        }
        return ids;
    });
    return rowsBetween;
}