east Function – clipPolygons

const clipPolygons: (
  polygons: ((([number, number])[])[])[],
  minX: number,
  minY: number,
  maxX: number,
  maxY: number,
) => { lines: (([number, number])[])[], rings: (([number, number])[])[] }

Source

packages / map / src / util / tesselate.ts