Adding a cache-control header with the value of public, max-age=n…

… for static assets served for browsable interface, upgrades server

README.md

@@ -434,6 +434,15 @@ The browsable template can load assets from this folder. assets.
 }
 ```
 
+## Static assets cache
+The browsable template assets have a default `public` cache of `300` seconds (5 minutes). These assets will always be considered `public`, but you can customize how long they are cacheable.
+
+```
+{
+    "staticCache": 300
+}
+```
+
 ## License
 Copyright (c) 2017 Jason Mulligan
 Licensed under the BSD-3-Clause license.

config.json

@@ -130,5 +130,6 @@
 		"hypermedia": "[a-zA-Z]+_(guid|uuid|id|url|uri)$",
 		"id": "^(_id|id)$"
 	},
-	"static": "/assets/.*"
+	"static": "/assets/.*",
+	"staticCache": 300
 }

index.js

@@ -38,7 +38,11 @@ function factory (arg) {
 		config.routes.get = {};
 	}
 
-	config.routes.get[config.static] = (req, res) => req.server.static(req, res);
+	config.routes.get[config.static] = (req, res) => {
+		res.header("cache-control", "public, max-age=" + (config.staticCache || 300));
+		req.server.static(req, res);
+	};
+
 	config.root = path.resolve(config.root);
 	config.template = fs.readFileSync(config.template || path.join(config.root, "template.html"), {encoding: "utf8"});
 	config.version = pkg.version;

package.json

@@ -1,7 +1,7 @@
 {
   "name": "tenso",
   "description": "Tensō is an elastic REST API gateway for node.js",
-  "version": "4.5.0",
+  "version": "4.5.1",
   "homepage": "http://avoidwork.github.io/tenso",
   "author": "Jason Mulligan <[email protected]>",
   "repository": {
@@ -45,7 +45,7 @@
     "tiny-merge": "~1.0.0",
     "tiny-uuid4": "~1.0.1",
     "tiny-xml": "~1.0.6",
-    "turtle.io": "~7.5.10",
+    "turtle.io": "~7.5.11",
     "uws": "~0.14.1",
     "yamljs": "~0.2.10"
   },