Adds support for killing with parse errors

When the buffer has parse errors, fallback to `kill-line`

features/js2r-kill.feature

@@ -17,6 +17,24 @@ Feature: Killing lines
     //}
     """
 
+  Scenario: Killing a with parse errors
+    When I insert:
+    """
+    function foo(
+        bar();
+    }
+    """
+    And I turn on js2-mode
+    And I go to the front of the word "function"
+    And I press "C-c C-m k"
+    Then I should see:
+    """
+    
+        bar();
+    }
+    """
+
+
   Scenario: Killing in a string
     When I insert:
     """

js2r-paredit.el

@@ -19,7 +19,13 @@
 
 (defun js2r-kill ()
   (interactive)
-  (js2r--guard)
+  (if js2-parsed-errors 
+      (progn
+        (message "Buffer has parse errors. Killing the line.")
+        (kill-line))
+    (js2r--kill-exp)))
+
+(defun js2r--kill-exp ()
   (let* ((node (js2r--closest #'js2r--balanced-node-p))
          (beg (point))
          (end (and node (1- (js2-node-abs-end node)))))