Use idle timer to reparse, even when the buffer's just been opened

Fixes #20, in yet another way.

Also speeds up Emacs 25's xref-find-references and project-find-regexp.

diff --git a/js2-mode.el b/js2-mode.el
index 7c30a1c59b3720803c81910018e18c4b3cbbf387..167851e3522a2695d6652f3ef8dee148b612278b 100644 (file)
--- a/js2-mode.el
+++ b/js2-mode.el
@@ -1076,6 +1076,7 @@ Not currently used."
   "Face used to highlight undeclared variable identifiers.")
 
 (defcustom js2-init-hook nil
+  ;; FIXME: We don't really need this anymore.
   "List of functions to be called after `js2-mode' or
 `js2-minor-mode' has initialized all variables, before parsing
 the buffer for the first time."
@@ -11566,7 +11567,9 @@ Selecting an error will jump it to the corresponding source-buffer error.
 
   (run-hooks 'js2-init-hook)
 
-  (js2-reparse))
+  (let ((js2-idle-timer-delay 0))
+    ;; Schedule parsing for after when the mode hooks run.
+    (js2-mode-reset-timer)))
 
 ;; We may eventually want js2-jsx-mode to derive from js-jsx-mode, but that'd be
 ;; a bit more complicated and it doesn't net us much yet.