I wanted to see what delaunator / issue 13[1] looked like. Try changing the first 3.7974166882130675 to 3.79741668821306. or
For delaunator / issue 21[2], .
points[{{ selectedPoint }}] = {{ seeds[selectedPoint] }}
triangles[{{ selectedTriangle }}] = {{ triangles[selectedTriangle][0] }} {{ triangles[selectedTriangle][1] }} {{ triangles[selectedTriangle][2] }}
{{ i }}: {{ JSON.stringify(Array.from(tri)) }}