From 47d33ed98ea63c3ebcdcd393d99e252b0416c627 Mon Sep 17 00:00:00 2001
From: Tom Hughes <tom@compton.nu>
Date: Thu, 14 Sep 2017 20:30:38 +0100
Subject: [PATCH] Defer measuring of header elements to a timeout

Chrome 60 and later seem to fire the "ready" callback before the DOM is
fully ready causing us to measure the wrong sizes for the header elements
so we use a 0ms timeout to defer the measurement slightly as a workaround.

Fixes #1639
---
 app/assets/javascripts/application.js | 36 ++++++++++++++++-----------
 1 file changed, 22 insertions(+), 14 deletions(-)

diff --git a/app/assets/javascripts/application.js b/app/assets/javascripts/application.js
index 7d5b99f60..7afbffb16 100644
--- a/app/assets/javascripts/application.js
+++ b/app/assets/javascripts/application.js
@@ -79,18 +79,6 @@ $(document).ready(function () {
   var headerWidth = 0,
       compactWidth = 0;
 
-  $("header").children(":visible").each(function (i,e) {
-    headerWidth = headerWidth + $(e).outerWidth();
-  });
-
-  $("body").addClass("compact");
-
-  $("header").children(":visible").each(function (i,e) {
-    compactWidth = compactWidth + $(e).outerWidth();
-  });
-
-  $("body").removeClass("compact");
-
   function updateHeader() {
     var windowWidth = $(window).width();
 
@@ -103,9 +91,29 @@ $(document).ready(function () {
     }
   }
 
-  updateHeader();
+  /*
+   * Chrome 60 and later seem to fire the "ready" callback
+   * before the DOM is fully ready causing us to measure the
+   * wrong sizes for the header elements - use a 0ms timeout
+   * to defer the measurement slightly as a workaround.
+   */
+  setTimeout(function () {
+    $("header").children(":visible").each(function (i,e) {
+      headerWidth = headerWidth + $(e).outerWidth();
+    });
+
+    $("body").addClass("compact");
+
+    $("header").children(":visible").each(function (i,e) {
+      compactWidth = compactWidth + $(e).outerWidth();
+    });
+
+    $("body").removeClass("compact");
+
+    updateHeader();
 
-  $(window).resize(updateHeader);
+    $(window).resize(updateHeader);
+  }, 0);
 
   $("#menu-icon").on("click", function(e) {
     e.preventDefault();
-- 
2.39.5