Initial Commit

Change-Id: I5aff679a93b7f00b8963cc97bc38dfe1ad36e517
TooTallNate · Dec 26, 2010 · 8af8c4d · 8af8c4d
commit 8af8c4d
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Showing 3 changed files with 27 additions and 0 deletions.
diff --git a/README.markdown b/README.markdown
diff --git a/package.json b/package.json
diff --git a/stack.js b/stack.js
@@ -0,0 +1,27 @@
+
+module.exports = function Stack(/*layers*/) {
+  function error(req, res, err) {
+    if (err) {
+      res.writeHead(500, {"Content-Type": "text/plain"});
+      res.end(err.stack + "\n");
+      return;
+    }
+    res.writeHead(404, {"Content-Type": "text/plain"});
+    res.end("Not Found\n");
+  }
+  var handle = error;
+  Array.prototype.slice.call(arguments).reverse().forEach(function (layer) {
+    var child = handle;
+    handle = function (req, res) {
+      try {
+        layer(req, res, function (err) {
+          if (err) { return error(req, res, err); }
+          child(req, res);
+        });
+      } catch (err) {
+        error(req, res, err);
+      }
+    };
+  });
+  return handle;
+};