starting point

Author: respectTheCode

index.js

@@ -0,0 +1 @@
+module.exports = require("./lib");

lib/index.js

@@ -0,0 +1,34 @@
+var DD = require("node-dogstatsd").StatsD;
+
+module.exports = function (options) {
+	var datadog = options.dogstatsd || new DD();
+	var stat = options.stat || "node.express.router";
+	var tagPrefix = options.tagPrefix || "express";
+
+	if (tagPrefix.substr(-1) != ":") {
+		tagPrefix += ":";
+	}
+
+	return function (req, res, next) {
+		if (!req._startTime) {
+			req._startTime = new Date();
+		}
+
+		var end = res.end;
+		res.end = function (chunk, encoding) {
+			res.end = end;
+			res.end(chunk, encoding);
+
+			if (!req.route || !req.route.path) {
+				return;
+			}
+
+			datadog.histogram(stat, (new Date() - req._startTime), 1, [
+				"express:route:" + req.route.path,
+				"express:path:" + req.path
+			]);
+		};
+
+		next();
+	};
+};

package.json

@@ -13,5 +13,8 @@
 	],
 	"author": "App Press",
 	"license": "MIT",
-	"readmeFilename": "README.md"
+	"readmeFilename": "README.md",
+	"dependencies": {
+		"node-dogstatsd": "0.0.4"
+	}
 }