Initial commit

node_modules/d3-voronoi/src/voronoi.js

@@ -0,0 +1,48 @@
+import constant from "./constant";
+import {x as pointX, y as pointY} from "./point";
+import Diagram, {epsilon} from "./Diagram";
+
+export default function() {
+  var x = pointX,
+      y = pointY,
+      extent = null;
+
+  function voronoi(data) {
+    return new Diagram(data.map(function(d, i) {
+      var s = [Math.round(x(d, i, data) / epsilon) * epsilon, Math.round(y(d, i, data) / epsilon) * epsilon];
+      s.index = i;
+      s.data = d;
+      return s;
+    }), extent);
+  }
+
+  voronoi.polygons = function(data) {
+    return voronoi(data).polygons();
+  };
+
+  voronoi.links = function(data) {
+    return voronoi(data).links();
+  };
+
+  voronoi.triangles = function(data) {
+    return voronoi(data).triangles();
+  };
+
+  voronoi.x = function(_) {
+    return arguments.length ? (x = typeof _ === "function" ? _ : constant(+_), voronoi) : x;
+  };
+
+  voronoi.y = function(_) {
+    return arguments.length ? (y = typeof _ === "function" ? _ : constant(+_), voronoi) : y;
+  };
+
+  voronoi.extent = function(_) {
+    return arguments.length ? (extent = _ == null ? null : [[+_[0][0], +_[0][1]], [+_[1][0], +_[1][1]]], voronoi) : extent && [[extent[0][0], extent[0][1]], [extent[1][0], extent[1][1]]];
+  };
+
+  voronoi.size = function(_) {
+    return arguments.length ? (extent = _ == null ? null : [[0, 0], [+_[0], +_[1]]], voronoi) : extent && [extent[1][0] - extent[0][0], extent[1][1] - extent[0][1]];
+  };
+
+  return voronoi;
+}