ttran17

// Modification of delaunay.neighbors to find Voronoi cell neighbors
// This generator should be attached to delaunay.voronoi

*neighbors(i) {
        const {delaunay: {inedges, hull, _hullIndex, halfedges, triangles, collinear = undefined}} = this;

        // degenerate case with several collinear points
        if (collinear) {
            const l = collinear.indexOf(i);
            if (l > 0) yield collinear[l - 1];