From af74bf84adbe0abcf7fa491f352d31b417c78cd4 Mon Sep 17 00:00:00 2001
From: mrmr1993
Date: Sun, 29 Oct 2017 14:35:36 +0000
Subject: Suppress all keyup events automatically if we consume the keydown

---
 lib/dom_utils.coffee     | 3 ++-
 lib/handler_stack.coffee | 6 +++++-
 2 files changed, 7 insertions(+), 2 deletions(-)

(limited to 'lib')

diff --git a/lib/dom_utils.coffee b/lib/dom_utils.coffee
index e771d436..b44f5f51 100644
--- a/lib/dom_utils.coffee
+++ b/lib/dom_utils.coffee
@@ -353,7 +353,8 @@ DomUtils =
           keyup: (event) ->
             return handlerStack.continueBubbling unless event.code == code
             @remove()
-            handlerStack.suppressEvent
+            DomUtils.suppressEvent event
+            handlerStack.continueBubbling
           # We cannot track keyup events if we lose the focus.
           blur: (event) ->
             @remove() if event.target == window
diff --git a/lib/handler_stack.coffee b/lib/handler_stack.coffee
index 2439f55c..646ddfbd 100644
--- a/lib/handler_stack.coffee
+++ b/lib/handler_stack.coffee
@@ -65,7 +65,11 @@ class HandlerStack
           true # Do nothing, but continue bubbling.
         else
           # result is @suppressEvent or falsy.
-          DomUtils.suppressEvent event if @isChromeEvent event
+          if @isChromeEvent event
+            if type == "keydown"
+              DomUtils.consumeKeyup event
+            else
+              DomUtils.suppressEvent event
           return false
 
     # None of our handlers care about this event, so pass it to the page.
-- 
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