Initial work on new framework

client/new-framework/add-loop-protect.js

@@ -0,0 +1,21 @@
+import loopProtect from 'loopProtect';
+
+loopProtect.hit = function hit(line) {
+  var err = 'Error: Exiting potential infinite loop at line ' +
+    line +
+    '. To disable loop protection, write: \n\\/\\/ noprotect\nas the first' +
+    'line. Beware that if you do have an infinite loop in your code' +
+    'this will crash your browser.';
+  console.error(err);
+};
+
+// Observable[Observable[File]]::addLoopProtect() => Observable[String]
+export default function addLoopProtect() {
+  const source = this;
+  return source.map(files$ => files$.map(file => {
+    if (file.extname === 'js') {
+      file.contents = loopProtect(file.contents);
+    }
+    return file;
+  }));
+}