feat: 890 avoid IE or Edge to access to the app and display a message

eb1646ee · Florent Poittevin · 64e293b5 · eb1646ee
Commit eb1646ee authored 5 years ago by Florent Poittevin
--- a/src/index.html
+++ b/src/index.html
@@ -22,5 +22,34 @@
 <body>
 <dlcm-root></dlcm-root>
 <noscript>Please enable JavaScript to continue using this application.</noscript>
+<script>
+  // alert("Utiliser navigateur décent")
+  var ua = window.navigator.userAgent;
+
+  var browserUnnsuported;
+  var msie = ua.indexOf('MSIE ');
+  if (msie > -1) {
+    // IE 10 or older => return version number
+    browserUnnsuported = "Internet Explorer " + parseInt(ua.substring(msie + 5, ua.indexOf('.', msie)), 10);
+  }
+
+  var trident = ua.indexOf('Trident/');
+  if (trident > -1) {
+    // IE 11 => return version number
+    var rv = ua.indexOf('rv:');
+    browserUnnsuported = "Internet Explorer " + parseInt(ua.substring(rv + 3, ua.indexOf('.', rv)), 10);
+  }
+
+  var edge = ua.indexOf('Edge/');
+  if (edge > -1) {
+    // Edge (IE 12+) => return version number
+    browserUnnsuported = "Edge " + parseInt(ua.substring(edge + 5, ua.indexOf('.', edge)), 10);
+  }
+
+  if (browserUnnsuported) {
+    alert("Your browser " + browserUnnsuported + " is not supported by this application.\nPlease use a browser more recent like Chrome or Firefox.");
+    document.body.style.display = "none";
+  }
+</script>
 </body>
 </html>