Added evaluation of remote script tags

lib/eval-script.js

@@ -2,6 +2,7 @@ module.exports = function(el) {
   // console.log("going to execute script", el)
 
   var code = (el.text || el.textContent || el.innerHTML || "")
+  var src = (el.src || "");
   var parent = el.parentNode || document.querySelector("head") || document.documentElement
   var script = document.createElement("script")
 
@@ -13,12 +14,21 @@ module.exports = function(el) {
   }
 
   script.type = "text/javascript"
-  try {
-    script.appendChild(document.createTextNode(code))
+
+  if (src != "") {
+    script.src = src;
+    script.onload = function() { document.dispatchEvent((new Event("pjax:complete"))); }
+    script.async = false; // force asynchronous loading of peripheral js
   }
-  catch (e) {
-    // old IEs have funky script nodes
-    script.text = code
+
+  if (code != "") {
+    try {
+      script.appendChild(document.createTextNode(code))
+    }
+    catch (e) {
+      // old IEs have funky script nodes
+      script.text = code
+    }
   }
 
   // execute
@@ -28,5 +38,5 @@ module.exports = function(el) {
     parent.removeChild(script)
   }
 
-  return true
+  return true;
 }