D3js has a new implementation https://github.com/d3/d3-delaunay https://github.com/d3/d3-delaunay at the bottom of that page is a discussion of the sweep algo

D3js has a new implementation https://github.com/d3/d3-delaunay https://github.com/d3/d3-delaunay at the bottom of that page is a discussion of the sweep algorithm used and a list of other (non-javascript) language implentations. The original d3-voronoi is deprecated but can be found here: https://github.com/d3/d3-voronoi https://github.com/d3/d3-voronoi