@jbrowse/plugin-wiggle/esm/d3-hierarchy2/hierarchy/iterator.js

JBrowse 2 wiggle adapters, tracks, etc.

export default function* () {
    var node = this, current, next = [node], children, i, n;
    do {
        current = next.reverse(), next = [];
        while (node = current.pop()) {
            yield node;
            if (children = node.children) {
                for (i = 0, n = children.length; i < n; ++i) {
                    next.push(children[i]);
                }
            }
        }
    } while (next.length);
}