Index: node_modules/d3-geo/src/projection/index.js
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--- node_modules/d3-geo/src/projection/index.js	(revision e4c61dd6cd86e06265bc2bd91adba84a0f04044a)
+++ node_modules/d3-geo/src/projection/index.js	(revision e4c61dd6cd86e06265bc2bd91adba84a0f04044a)
@@ -0,0 +1,177 @@
+import clipAntimeridian from "../clip/antimeridian.js";
+import clipCircle from "../clip/circle.js";
+import clipRectangle from "../clip/rectangle.js";
+import compose from "../compose.js";
+import identity from "../identity.js";
+import {cos, degrees, radians, sin, sqrt} from "../math.js";
+import {rotateRadians} from "../rotation.js";
+import {transformer} from "../transform.js";
+import {fitExtent, fitSize, fitWidth, fitHeight} from "./fit.js";
+import resample from "./resample.js";
+
+var transformRadians = transformer({
+  point: function(x, y) {
+    this.stream.point(x * radians, y * radians);
+  }
+});
+
+function transformRotate(rotate) {
+  return transformer({
+    point: function(x, y) {
+      var r = rotate(x, y);
+      return this.stream.point(r[0], r[1]);
+    }
+  });
+}
+
+function scaleTranslate(k, dx, dy, sx, sy) {
+  function transform(x, y) {
+    x *= sx; y *= sy;
+    return [dx + k * x, dy - k * y];
+  }
+  transform.invert = function(x, y) {
+    return [(x - dx) / k * sx, (dy - y) / k * sy];
+  };
+  return transform;
+}
+
+function scaleTranslateRotate(k, dx, dy, sx, sy, alpha) {
+  if (!alpha) return scaleTranslate(k, dx, dy, sx, sy);
+  var cosAlpha = cos(alpha),
+      sinAlpha = sin(alpha),
+      a = cosAlpha * k,
+      b = sinAlpha * k,
+      ai = cosAlpha / k,
+      bi = sinAlpha / k,
+      ci = (sinAlpha * dy - cosAlpha * dx) / k,
+      fi = (sinAlpha * dx + cosAlpha * dy) / k;
+  function transform(x, y) {
+    x *= sx; y *= sy;
+    return [a * x - b * y + dx, dy - b * x - a * y];
+  }
+  transform.invert = function(x, y) {
+    return [sx * (ai * x - bi * y + ci), sy * (fi - bi * x - ai * y)];
+  };
+  return transform;
+}
+
+export default function projection(project) {
+  return projectionMutator(function() { return project; })();
+}
+
+export function projectionMutator(projectAt) {
+  var project,
+      k = 150, // scale
+      x = 480, y = 250, // translate
+      lambda = 0, phi = 0, // center
+      deltaLambda = 0, deltaPhi = 0, deltaGamma = 0, rotate, // pre-rotate
+      alpha = 0, // post-rotate angle
+      sx = 1, // reflectX
+      sy = 1, // reflectX
+      theta = null, preclip = clipAntimeridian, // pre-clip angle
+      x0 = null, y0, x1, y1, postclip = identity, // post-clip extent
+      delta2 = 0.5, // precision
+      projectResample,
+      projectTransform,
+      projectRotateTransform,
+      cache,
+      cacheStream;
+
+  function projection(point) {
+    return projectRotateTransform(point[0] * radians, point[1] * radians);
+  }
+
+  function invert(point) {
+    point = projectRotateTransform.invert(point[0], point[1]);
+    return point && [point[0] * degrees, point[1] * degrees];
+  }
+
+  projection.stream = function(stream) {
+    return cache && cacheStream === stream ? cache : cache = transformRadians(transformRotate(rotate)(preclip(projectResample(postclip(cacheStream = stream)))));
+  };
+
+  projection.preclip = function(_) {
+    return arguments.length ? (preclip = _, theta = undefined, reset()) : preclip;
+  };
+
+  projection.postclip = function(_) {
+    return arguments.length ? (postclip = _, x0 = y0 = x1 = y1 = null, reset()) : postclip;
+  };
+
+  projection.clipAngle = function(_) {
+    return arguments.length ? (preclip = +_ ? clipCircle(theta = _ * radians) : (theta = null, clipAntimeridian), reset()) : theta * degrees;
+  };
+
+  projection.clipExtent = function(_) {
+    return arguments.length ? (postclip = _ == null ? (x0 = y0 = x1 = y1 = null, identity) : clipRectangle(x0 = +_[0][0], y0 = +_[0][1], x1 = +_[1][0], y1 = +_[1][1]), reset()) : x0 == null ? null : [[x0, y0], [x1, y1]];
+  };
+
+  projection.scale = function(_) {
+    return arguments.length ? (k = +_, recenter()) : k;
+  };
+
+  projection.translate = function(_) {
+    return arguments.length ? (x = +_[0], y = +_[1], recenter()) : [x, y];
+  };
+
+  projection.center = function(_) {
+    return arguments.length ? (lambda = _[0] % 360 * radians, phi = _[1] % 360 * radians, recenter()) : [lambda * degrees, phi * degrees];
+  };
+
+  projection.rotate = function(_) {
+    return arguments.length ? (deltaLambda = _[0] % 360 * radians, deltaPhi = _[1] % 360 * radians, deltaGamma = _.length > 2 ? _[2] % 360 * radians : 0, recenter()) : [deltaLambda * degrees, deltaPhi * degrees, deltaGamma * degrees];
+  };
+
+  projection.angle = function(_) {
+    return arguments.length ? (alpha = _ % 360 * radians, recenter()) : alpha * degrees;
+  };
+
+  projection.reflectX = function(_) {
+    return arguments.length ? (sx = _ ? -1 : 1, recenter()) : sx < 0;
+  };
+
+  projection.reflectY = function(_) {
+    return arguments.length ? (sy = _ ? -1 : 1, recenter()) : sy < 0;
+  };
+
+  projection.precision = function(_) {
+    return arguments.length ? (projectResample = resample(projectTransform, delta2 = _ * _), reset()) : sqrt(delta2);
+  };
+
+  projection.fitExtent = function(extent, object) {
+    return fitExtent(projection, extent, object);
+  };
+
+  projection.fitSize = function(size, object) {
+    return fitSize(projection, size, object);
+  };
+
+  projection.fitWidth = function(width, object) {
+    return fitWidth(projection, width, object);
+  };
+
+  projection.fitHeight = function(height, object) {
+    return fitHeight(projection, height, object);
+  };
+
+  function recenter() {
+    var center = scaleTranslateRotate(k, 0, 0, sx, sy, alpha).apply(null, project(lambda, phi)),
+        transform = scaleTranslateRotate(k, x - center[0], y - center[1], sx, sy, alpha);
+    rotate = rotateRadians(deltaLambda, deltaPhi, deltaGamma);
+    projectTransform = compose(project, transform);
+    projectRotateTransform = compose(rotate, projectTransform);
+    projectResample = resample(projectTransform, delta2);
+    return reset();
+  }
+
+  function reset() {
+    cache = cacheStream = null;
+    return projection;
+  }
+
+  return function() {
+    project = projectAt.apply(this, arguments);
+    projection.invert = project.invert && invert;
+    return recenter();
+  };
+}