Migration of browser to ES6 module

package.json

@@ -239,6 +239,7 @@
           "src/plugins/youtubePlayer/plugin.js",
           "src/scripts/alphanumericshortcuts.js",
           "src/scripts/autoBackdrops.js",
+          "src/scripts/browser.js",
           "src/scripts/datetime.js",
           "src/scripts/deleteHelper.js",
           "src/scripts/dfnshelper.js",

src/scripts/browser.js

@@ -1,9 +1,6 @@
-define([], function () {
-    'use strict';
-
 function isTv() {
     // This is going to be really difficult to get right
-        var userAgent = navigator.userAgent.toLowerCase();
+    const userAgent = navigator.userAgent.toLowerCase();
 
     if (userAgent.indexOf('tv') !== -1) {
         return true;
@@ -25,7 +22,7 @@ define([], function () {
 }
 
 function isMobile(userAgent) {
-        var terms = [
+    const terms = [
         'mobi',
         'ipad',
         'iphone',
@@ -37,9 +34,9 @@ define([], function () {
         'opera mini'
     ];
 
-        var lower = userAgent.toLowerCase();
+    const lower = userAgent.toLowerCase();
 
-        for (var i = 0, length = terms.length; i < length; i++) {
+    for (let i = 0, length = terms.length; i < length; i++) {
         if (lower.indexOf(terms[i]) !== -1) {
             return true;
         }
@@ -79,13 +76,13 @@ define([], function () {
     // MacIntel: Apple iPad Pro 11 iOS 13.1
     if (/iP(hone|od|ad)|MacIntel/.test(navigator.platform)) {
         // supports iOS 2.0 and later: <http://bit.ly/TJjs1V>
-            var v = (navigator.appVersion).match(/OS (\d+)_(\d+)_?(\d+)?/);
+        const v = (navigator.appVersion).match(/OS (\d+)_(\d+)_?(\d+)?/);
         return [parseInt(v[1], 10), parseInt(v[2], 10), parseInt(v[3] || 0, 10)];
     }
 }
 
-    var _supportsCssAnimation;
-    var _supportsCssAnimationWithPrefix;
+let _supportsCssAnimation;
+let _supportsCssAnimationWithPrefix;
 function supportsCssAnimation(allowPrefix) {
     // TODO: Assess if this is still needed, as all of our targets should natively support CSS animations.
     if (allowPrefix) {
@@ -98,16 +95,16 @@ define([], function () {
         }
     }
 
-        var animation = false;
-        var domPrefixes = ['Webkit', 'O', 'Moz'];
-        var elm = document.createElement('div');
+    let animation = false;
+    const domPrefixes = ['Webkit', 'O', 'Moz'];
+    const elm = document.createElement('div');
 
     if (elm.style.animationName !== undefined) {
         animation = true;
     }
 
     if (animation === false && allowPrefix) {
-            for (var i = 0; i < domPrefixes.length; i++) {
+        for (let i = 0; i < domPrefixes.length; i++) {
             if (elm.style[domPrefixes[i] + 'AnimationName'] !== undefined) {
                 animation = true;
                 break;
@@ -124,10 +121,10 @@ define([], function () {
     }
 }
 
-    var uaMatch = function (ua) {
+const uaMatch = function (ua) {
     ua = ua.toLowerCase();
 
-        var match = /(edg)[ \/]([\w.]+)/.exec(ua) ||
+    const match = /(edg)[ \/]([\w.]+)/.exec(ua) ||
         /(edga)[ \/]([\w.]+)/.exec(ua) ||
         /(edgios)[ \/]([\w.]+)/.exec(ua) ||
         /(edge)[ \/]([\w.]+)/.exec(ua) ||
@@ -139,15 +136,15 @@ define([], function () {
         ua.indexOf('compatible') < 0 && /(mozilla)(?:.*? rv:([\w.]+)|)/.exec(ua) ||
         [];
 
-        var versionMatch = /(version)[ \/]([\w.]+)/.exec(ua);
+    const versionMatch = /(version)[ \/]([\w.]+)/.exec(ua);
 
-        var platform_match = /(ipad)/.exec(ua) ||
+    let platform_match = /(ipad)/.exec(ua) ||
         /(iphone)/.exec(ua) ||
         /(windows)/.exec(ua) ||
         /(android)/.exec(ua) ||
         [];
 
-        var browser = match[1] || '';
+    let browser = match[1] || '';
 
     if (browser === 'edge') {
         platform_match = [''];
@@ -157,14 +154,14 @@ define([], function () {
         browser = 'opera';
     }
 
-        var version;
+    let version;
     if (versionMatch && versionMatch.length > 2) {
         version = versionMatch[2];
     }
 
     version = version || match[2] || '0';
 
-        var versionMajor = parseInt(version.split('.')[0]);
+    let versionMajor = parseInt(version.split('.')[0]);
 
     if (isNaN(versionMajor)) {
         versionMajor = 0;
@@ -178,10 +175,10 @@ define([], function () {
     };
 };
 
-    var userAgent = navigator.userAgent;
+const userAgent = navigator.userAgent;
 
-    var matched = uaMatch(userAgent);
-    var browser = {};
+const matched = uaMatch(userAgent);
+const browser = {};
 
 if (matched.browser) {
     browser[matched.browser] = true;
@@ -220,7 +217,7 @@ define([], function () {
 if (!browser.tizen) {
     browser.orsay = userAgent.toLowerCase().indexOf('smarthub') !== -1;
 } else {
-        var v = (navigator.appVersion).match(/Tizen (\d+).(\d+)/);
+    const v = (navigator.appVersion).match(/Tizen (\d+).(\d+)/);
     browser.tizenVersion = parseInt(v[1]);
 }
 
@@ -256,5 +253,4 @@ define([], function () {
     }
 }
 
-    return browser;
-});
+export default browser;