JavaScriptCollection
diff --git a/‎d3.js‎
Lines changed: 22 additions & 0 deletions b/‎d3.js‎
Lines changed: 22 additions & 0 deletions
diff --git a/‎d3.min.js‎
Lines changed: 2 additions & 2 deletions b/‎d3.min.js‎
Lines changed: 2 additions & 2 deletions
diff --git a/‎src/geo/index.js‎
Lines changed: 1 addition & 0 deletions b/‎src/geo/index.js‎
Lines changed: 1 addition & 0 deletions
diff --git a/‎src/geo/pipeline.js‎
Lines changed: 24 additions & 0 deletions b/‎src/geo/pipeline.js‎
Lines changed: 24 additions & 0 deletions
@@ -3291,6 +3291,28 @@
   d3.geo.orthographic = d3_geo_azimuthal(function() {
     return 1;
   }, Math.asin);
+  d3.geo.pipeline = function() {
+    var pipes = [];
+    return {
+      source: function() {
+        pipes[0] = arguments;
+        return this;
+      },
+      pipe: function() {
+        pipes.push(arguments);
+        return this;
+      },
+      sink: function() {
+        var sink = arguments[0].apply(null, [].slice.call(arguments, 1)), pipe;
+        while (pipe = pipes.pop()) {
+          var args = [].slice.call(pipe, 1);
+          args.push(sink);
+          sink = pipe[0].apply(null, args);
+        }
+        return sink;
+      }
+    };
+  };
   d3.geom = {};
   function d3_geom_pointX(d) {
     return d[0];
 
@@ -6,3 +6,4 @@ import "project";
 import "clip-antimeridian";
 import "equirectangular";
 import "orthographic";
+import "pipeline";
@@ -0,0 +1,24 @@
+import "geo";
+
+d3.geo.pipeline = function() {
+  var pipes = [];
+  return {
+    source: function() {
+      pipes[0] = arguments;
+      return this;
+    },
+    pipe: function() {
+      pipes.push(arguments);
+      return this;
+    },
+    sink: function() {
+      var sink = arguments[0].apply(null, [].slice.call(arguments, 1)), pipe;
+      while (pipe = pipes.pop()) {
+        var args = [].slice.call(pipe, 1);
+        args.push(sink);
+        sink = pipe[0].apply(null, args);
+      }
+      return sink;
+    }
+  };
+};