From 30942241d4a44e0a02779fffa3b29128f10b41ee Mon Sep 17 00:00:00 2001
From: Anna Knoerr <an.kn@protonmail.ch>
Date: Tue, 21 Dec 2021 05:17:56 +0100
Subject: added some necessary files

---
 assets/js/ie-emulation-modes-warning.js | 51 +++++++++++++++++++++++++++++++++
 1 file changed, 51 insertions(+)
 create mode 100644 assets/js/ie-emulation-modes-warning.js

(limited to 'assets/js/ie-emulation-modes-warning.js')

diff --git a/assets/js/ie-emulation-modes-warning.js b/assets/js/ie-emulation-modes-warning.js
new file mode 100644
index 0000000..4c4fc9e
--- /dev/null
+++ b/assets/js/ie-emulation-modes-warning.js
@@ -0,0 +1,51 @@
+// NOTICE!! DO NOT USE ANY OF THIS JAVASCRIPT
+// IT'S JUST JUNK FOR OUR DOCS!
+// ++++++++++++++++++++++++++++++++++++++++++
+/*!
+ * Copyright 2014-2019 Twitter, Inc.
+ *
+ * Licensed under the Creative Commons Attribution 3.0 Unported License. For
+ * details, see https://creativecommons.org/licenses/by/3.0/.
+ */
+// Intended to prevent false-positive bug reports about Bootstrap not working properly in old versions of IE due to folks testing using IE's unreliable emulation modes.
+(function () {
+  'use strict';
+
+  function emulatedIEMajorVersion() {
+    var groups = /MSIE ([0-9.]+)/.exec(window.navigator.userAgent)
+    if (groups === null) {
+      return null
+    }
+    var ieVersionNum = parseInt(groups[1], 10)
+    var ieMajorVersion = Math.floor(ieVersionNum)
+    return ieMajorVersion
+  }
+
+  function actualNonEmulatedIEMajorVersion() {
+    // Detects the actual version of IE in use, even if it's in an older-IE emulation mode.
+    // IE JavaScript conditional compilation docs: https://msdn.microsoft.com/library/121hztk3%28v=vs.94%29.aspx
+    // @cc_on docs: https://msdn.microsoft.com/library/8ka90k2e%28v=vs.94%29.aspx
+    var jscriptVersion = new Function('/*@cc_on return @_jscript_version; @*/')() // jshint ignore:line
+    if (jscriptVersion === undefined) {
+      return 11 // IE11+ not in emulation mode
+    }
+    if (jscriptVersion < 9) {
+      return 8 // IE8 (or lower; haven't tested on IE<8)
+    }
+    return jscriptVersion // IE9 or IE10 in any mode, or IE11 in non-IE11 mode
+  }
+
+  var ua = window.navigator.userAgent
+  if (ua.indexOf('Opera') > -1 || ua.indexOf('Presto') > -1) {
+    return // Opera, which might pretend to be IE
+  }
+  var emulated = emulatedIEMajorVersion()
+  if (emulated === null) {
+    return // Not IE
+  }
+  var nonEmulated = actualNonEmulatedIEMajorVersion()
+
+  if (emulated !== nonEmulated) {
+    window.alert('WARNING: You appear to be using IE' + nonEmulated + ' in IE' + emulated + ' emulation mode.\nIE emulation modes can behave significantly differently from ACTUAL older versions of IE.\nPLEASE DON\'T FILE BOOTSTRAP BUGS based on testing in IE emulation modes!')
+  }
+})();
-- 
cgit v1.2.3-54-g00ecf