gistfile1.txt

Debugger entered--Lisp error: (wrong-type-argument number-or-marker-p nil)
  =(nil 41)
  (if (= (char-before) 41) (progn (backward-list)))
  (when (= (char-before) 41) (backward-list))
  (progn (skip-syntax-backward " ") (when (= ... 41) (backward-list)) (back-to-indentation) (cond (same-indent-p ...) (continued-expr-p ...) (t ...)))
  (if (looking-at "[({[][ 	]*\\(/[/*]\\|$\\)") (progn (skip-syntax-backward " ") (when ... ...) (back-to-indentation) (cond ... ... ...)) (unless same-indent-p (forward-char) (skip-chars-forward " 	")) (current-column))
  (cond (ctrl-stmt-indent) ((js-continued-var-decl-list-p) (js-re-search-backward "\\<var\\>" nil t) (+ ... javascript-indent-level)) ((nth 1 parse-status) (goto-char ...) (if ... ... ... ...)) (continued-expr-p javascript-indent-level) (t (let ... ... ind)))
  (let ((ctrl-stmt-indent ...) (same-indent-p ...) (continued-expr-p ...)) (cond (ctrl-stmt-indent) (... ... ...) (... ... ...) (continued-expr-p javascript-indent-level) (t ...)))
  (save-excursion (back-to-indentation) (let (... ... ...) (cond ... ... ... ... ...)))
  js-proper-indentation((1 1 nil nil nil nil 0 nil nil (1)))
  (indent-line-to (js-proper-indentation parse-status))
  (progn (indent-line-to (js-proper-indentation parse-status)) (when (> offset 0) (forward-char offset)))
  (if (not (nth 8 parse-status)) (progn (indent-line-to ...) (when ... ...)))
  (when (not (nth 8 parse-status)) (indent-line-to (js-proper-indentation parse-status)) (when (> offset 0) (forward-char offset)))
  (let ((parse-status ...) (offset ...)) (when (not ...) (indent-line-to ...) (when ... ...)))
  javascript-indent-line()
  indent-according-to-mode()
  newline-and-indent()
  (if (and (> ... 0) (string= ... "")) (newline-and-indent))
  (let ((content ...)) (if (and ... ...) (newline-and-indent)))
  (save-excursion (let (...) (if ... ...)))
  insert-line-before-closing-braces()
  (lambda nil (interactive) (insert-line-before-closing-braces) (newline-and-indent))()
  call-interactively((lambda nil (interactive) (insert-line-before-closing-braces) (newline-and-indent)) nil nil)

javascript.el

(defun insert-line-before-closing-braces ()
  (interactive)
  (save-excursion
    (let ((content (buffer-substring (point) (line-end-position))))
      (if (and (> (length content) 0)
               (string= (replace-regexp-in-string ")\\\|}" "" content)  ""))
          (newline-and-indent)))))

(add-hook 'javascript-mode-hook
          (lambda ()
            (make-local-variable 'parens-require-spaces)
            (setq parens-require-spaces nil)
            (local-set-key "(" 'insert-pair)
            (local-set-key "{" 'insert-pair)
            (local-set-key "\r"
                           (lambda () (interactive)
                             (insert-line-before-closing-braces)
                             (newline-and-indent)))))