Polyfill document.currentScript as document._currentScript.

Author: sorvell

src/HTMLImports.js

@@ -441,6 +441,19 @@ xhr = xhr || {
 
 var forEach = Array.prototype.forEach.call.bind(Array.prototype.forEach);
 
+// expose _currentScript
+Object.defineProperty(document, '_currentScript', {
+  get: function() {
+    return HTMLImports.currentScript || document.currentScript;
+  },
+  set: function(script) {
+    HTMLImports.currentScript = script;
+  },
+  writeable: true,
+  configurable: true
+});
+
+
 // exports
 
 scope.path = path;

src/Parser.js

@@ -83,7 +83,9 @@ var importParser = {
         // source map hint
         code += "\n//# sourceURL=" + moniker + "\n";
         // evaluate the code
+        scope.currentScript = scriptElt;
         eval.call(window, code);
+        scope.currentScript = null;
       }
     }
   }