First commit.

Signed-off-by: Chen Xiao <abigwc@gmail.com>

client/node_modules/d3-geo/src/projection/azimuthalEquidistant.js

@@ -0,0 +1,17 @@
+import {acos, sin} from "../math.js";
+import {azimuthalRaw, azimuthalInvert} from "./azimuthal.js";
+import projection from "./index.js";
+
+export var azimuthalEquidistantRaw = azimuthalRaw(function(c) {
+  return (c = acos(c)) && c / sin(c);
+});
+
+azimuthalEquidistantRaw.invert = azimuthalInvert(function(z) {
+  return z;
+});
+
+export default function() {
+  return projection(azimuthalEquidistantRaw)
+      .scale(79.4188)
+      .clipAngle(180 - 1e-3);
+}