Returning an old friend (sigh)

lib/tenso.js

@@ -247,23 +247,25 @@ class Tenso extends Base {
 		req.unprotect = false;
 		req.server = this;
 		res.send = (body = "", status = 200, headers = {}) => {
-			let lbody = body;
+			if (!res.headersSent) {
+				let lbody = body;
 
-			for (const [key, value] of Object.entries(headers)) {
-				res.header(key, value);
-			}
+				for (const [key, value] of Object.entries(headers)) {
+					res.header(key, value);
+				}
 
-			res.statusCode = status;
+				res.statusCode = status;
 
-			if (lbody === null || typeof lbody.on !== "function") {
-				lbody = serialize(req, res, lbody);
-				lbody = hypermedia(req, res, lbody);
-				lbody = this.final(req, res, lbody);
-				lbody = this.render(req, res, lbody);
-			}
+				if (lbody === null || typeof lbody.on !== "function") {
+					lbody = serialize(req, res, lbody);
+					lbody = hypermedia(req, res, lbody);
+					lbody = this.final(req, res, lbody);
+					lbody = this.render(req, res, lbody);
+				}
 
-			lbody = this.send(req, res, lbody);
-			fn(lbody, res.statusCode);
+				lbody = this.send(req, res, lbody);
+				fn(lbody, res.statusCode);
+			}
 		};
 	}
 

package.json

@@ -1,7 +1,7 @@
 {
   "name": "tenso",
   "description": "Tensō is an HTTP/HTTP2 REST API framework",
-  "version": "15.0.5",
+  "version": "15.0.6",
   "homepage": "https://github.com/avoidwork/tenso",
   "author": "Jason Mulligan <[email protected]>",
   "repository": {