@1771technologies/lytenyte-pro/dist/column-manager/use-columns-from-context.js

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

import { useMemo } from "react";
import { useBranchLookup } from "./branch-lookup-context.js";
export function useColumnsFromContext(item) {
    const lookup = useBranchLookup();
    const columns = useMemo(() => {
        if (item.kind === "branch") {
            const allChildren = [];
            const branch = lookup[item.data.idOccurrence];
            const stack = [...branch.children.values()];
            while (stack.length) {
                const p = stack.pop();
                if (p.kind === "branch") {
                    stack.push(...p.children.values());
                    continue;
                }
                allChildren.push(p.data);
            }
            return allChildren;
        }
        return [item.data];
    }, [item, lookup]);
    return columns;
}