Bar graph added.

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

@@ -0,0 +1,35 @@
+var fs = require("fs");
+
+function handleEpipe(error) {
+  if (error.code === "EPIPE" || error.errno === "EPIPE") {
+    process.exit(0);
+  }
+}
+
+module.exports = function(file) {
+  var output = (file === "-" ? process.stdout : fs.createWriteStream(file)).on("error", handleEpipe),
+      queue = Promise.resolve();
+  return {
+    write: function(data) {
+      return queue = queue.then(function() {
+        return new Promise(function(resolve, reject) {
+          output.write(data, function(error) {
+            if (error) reject(error);
+            else resolve();
+          });
+        });
+      });
+    },
+    end: function() {
+      if (output === process.stdout) return queue;
+      return queue = queue.then(function() {
+        return new Promise(function(resolve, reject) {
+          output.end(function(error) {
+            if (error) reject(error);
+            else resolve();
+          });
+        });
+      });
+    }
+  };
+};