jsTree Node Expand/Collapse

Question

I ran into the excellent jstree jQuery UI plug in this morning. In a word - great! It is easy to use, easy to style & does what it says on the box. The one thing I have n

Answer 1

Yet another example for jstree 3.3.2. It uses underscore lib, feel free to adapt solution to jquery or vanillla js.

$(function () {
    var tree = $('#tree');
    tree.on('before_open.jstree', function (e, data) {
        var remained_ids = _.union(data.node.id, data.node.parents);
        var $tree = $(this);
        _.each(
                $tree
                    .jstree()
                    .get_json($tree, {flat: true}),
                function (n) {
                    if (
                        n.state.opened &&
                        _.indexOf(remained_ids, n.id) == -1
                    ) {
                        grid.jstree('close_node', n.id);
                    }
                }
        );
    });
    tree.jstree();
});