From 6dfbb830ef9b10ceaa26231a89212d25ecb2560d Mon Sep 17 00:00:00 2001
From: Jake Howard <git@theorangeone.net>
Date: Sat, 3 Sep 2022 16:35:39 +0100
Subject: [PATCH] Add IE11 deterrent

---
 package-lock.json                  | 11 +++++++++++
 package.json                       |  1 +
 static/src/js/ie11-deterrent.js    |  6 ++++++
 website/common/templates/base.html |  2 ++
 4 files changed, 20 insertions(+)
 create mode 100644 static/src/js/ie11-deterrent.js

diff --git a/package-lock.json b/package-lock.json
index 5273f18..a44749c 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -9,6 +9,7 @@
       "version": "0.0.0",
       "dependencies": {
         "@fortawesome/fontawesome-free": "^6.1.1",
+        "@ledge/is-ie-11": "^7.0.0",
         "bulma": "^0.9.4",
         "elevator.js": "^1.0.1",
         "esbuild": "^0.14.43",
@@ -141,6 +142,11 @@
       "integrity": "sha512-ZnQMnLV4e7hDlUvw8H+U8ASL02SS2Gn6+9Ac3wGGLIe7+je2AeAOxPY+izIPJDfFDb7eDjev0Us8MO1iFRN8hA==",
       "dev": true
     },
+    "node_modules/@ledge/is-ie-11": {
+      "version": "7.0.0",
+      "resolved": "https://registry.npmjs.org/@ledge/is-ie-11/-/is-ie-11-7.0.0.tgz",
+      "integrity": "sha512-+GYssT+YJ41STf0D/rgPgDDLf88cUKkRZhlh4+P7+JNl5ZhA4Pji1x8WRHrOA1ttaZCk1ootFW1WvRaGom5rmw=="
+    },
     "node_modules/@nodelib/fs.scandir": {
       "version": "2.1.5",
       "resolved": "https://registry.npmjs.org/@nodelib/fs.scandir/-/fs.scandir-2.1.5.tgz",
@@ -3942,6 +3948,11 @@
       "integrity": "sha512-ZnQMnLV4e7hDlUvw8H+U8ASL02SS2Gn6+9Ac3wGGLIe7+je2AeAOxPY+izIPJDfFDb7eDjev0Us8MO1iFRN8hA==",
       "dev": true
     },
+    "@ledge/is-ie-11": {
+      "version": "7.0.0",
+      "resolved": "https://registry.npmjs.org/@ledge/is-ie-11/-/is-ie-11-7.0.0.tgz",
+      "integrity": "sha512-+GYssT+YJ41STf0D/rgPgDDLf88cUKkRZhlh4+P7+JNl5ZhA4Pji1x8WRHrOA1ttaZCk1ootFW1WvRaGom5rmw=="
+    },
     "@nodelib/fs.scandir": {
       "version": "2.1.5",
       "resolved": "https://registry.npmjs.org/@nodelib/fs.scandir/-/fs.scandir-2.1.5.tgz",
diff --git a/package.json b/package.json
index 2c35b64..c2215f7 100644
--- a/package.json
+++ b/package.json
@@ -28,6 +28,7 @@
   },
   "dependencies": {
     "@fortawesome/fontawesome-free": "^6.1.1",
+    "@ledge/is-ie-11": "^7.0.0",
     "bulma": "^0.9.4",
     "elevator.js": "^1.0.1",
     "esbuild": "^0.14.43",
diff --git a/static/src/js/ie11-deterrent.js b/static/src/js/ie11-deterrent.js
new file mode 100644
index 0000000..13c5434
--- /dev/null
+++ b/static/src/js/ie11-deterrent.js
@@ -0,0 +1,6 @@
+const { isIE11 } = require("@ledge/is-ie-11");
+
+if (isIE11()) {
+  // Stop using internet explorer!
+  window.location.assign("https://stopinternetexplorer.com/");
+}
diff --git a/website/common/templates/base.html b/website/common/templates/base.html
index a97d752..e882141 100644
--- a/website/common/templates/base.html
+++ b/website/common/templates/base.html
@@ -23,6 +23,8 @@
 
     {% block extra_head %}{% endblock %}
 
+    <script async type="text/javascript" src="{% static 'js/ie11-deterrent.js' %}" integrity="{% sri_integrity_static 'js/ie11-deterrent.js' %}"></script>
+
     {% sri_static "css/base.css" %}
     {% sri_static "contrib/fontawesome/css/all.min.css" %}
     {% sri_static "contrib/fira-code/fira_code.css" %}