Bar graph added.

node_modules/d3-geo-projection/bin/requires.js

@@ -0,0 +1,10 @@
+var resolve = require("./resolve");
+
+module.exports = function(module, sandbox) {
+  var i = module.indexOf("="), name = module;
+  if (i >= 0) name = module.slice(0, i), module = module.slice(i + 1);
+  module = require(resolve(module));
+  if (sandbox[name]) Object.assign(sandbox[name], module);
+  else sandbox[name] = module;
+  return sandbox;
+};