1 files changed, 18 insertions, 13 deletions

diff --git a/src/js/utils.js b/src/js/utils.js
index d46a7601..a58d8555 100644
--- a/src/js/utils.js
+++ b/src/js/utils.js
@@ -3,15 +3,13 @@
 // ==========================================================================
 
 import loadjs from 'loadjs';
+import Storage from './storage';
 import support from './support';
 import { providers } from './types';
 
 const utils = {
     // Check variable types
     is: {
-        plyr(input) {
-            return this.instanceof(input, window.Plyr);
-        },
         object(input) {
             return this.getConstructor(input) === Object;
         },
@@ -31,22 +29,22 @@ const utils = {
             return !this.nullOrUndefined(input) && Array.isArray(input);
         },
         weakMap(input) {
-            return this.instanceof(input, window.WeakMap);
+            return this.instanceof(input, WeakMap);
         },
         nodeList(input) {
-            return this.instanceof(input, window.NodeList);
+            return this.instanceof(input, NodeList);
         },
         element(input) {
-            return this.instanceof(input, window.Element);
+            return this.instanceof(input, Element);
         },
         textNode(input) {
             return this.getConstructor(input) === Text;
         },
         event(input) {
-            return this.instanceof(input, window.Event);
+            return this.instanceof(input, Event);
         },
         cue(input) {
-            return this.instanceof(input, window.TextTrackCue) || this.instanceof(input, window.VTTCue);
+            return this.instanceof(input, TextTrackCue) || this.instanceof(input, VTTCue);
         },
         track(input) {
             return this.instanceof(input, TextTrack) || (!this.nullOrUndefined(input) && this.string(input.kind));
@@ -159,6 +157,8 @@ const utils = {
 
         // Only load once if ID set
         if (!hasId || !exists()) {
+            const useStorage = Storage.supported;
+
             // Create container
             const container = document.createElement('div');
             utils.toggleHidden(container, true);
@@ -168,7 +168,7 @@ const utils = {
             }
 
             // Check in cache
-            if (support.storage) {
+            if (useStorage) {
                 const cached = window.localStorage.getItem(prefix + id);
                 isCached = cached !== null;
 
@@ -187,7 +187,7 @@ const utils = {
                         return;
                     }
 
-                    if (support.storage) {
+                    if (useStorage) {
                         window.localStorage.setItem(
                             prefix + id,
                             JSON.stringify({
@@ -250,7 +250,7 @@ const utils = {
 
         // Add text node
         if (utils.is.string(text)) {
-            element.textContent = text;
+            element.innerText = text;
         }
 
         // Return built element
@@ -547,7 +547,7 @@ const utils = {
         const event = new CustomEvent(type, {
             bubbles,
             detail: Object.assign({}, detail, {
-                plyr: utils.is.plyr(this) ? this : null,
+                plyr: this,
             }),
         });
 
@@ -583,7 +583,7 @@ const utils = {
             return input;
         }
 
-        return input.toString().replace(/{(\d+)}/g, (match, i) => utils.is.string(args[i]) ? args[i] : '');
+        return input.toString().replace(/{(\d+)}/g, (match, i) => (utils.is.string(args[i]) ? args[i] : ''));
     },
 
     // Get percentage
@@ -706,6 +706,11 @@ const utils = {
         return array.filter((item, index) => array.indexOf(item) === index);
     },
 
+    // Clone nested objects
+    cloneDeep(object) {
+        return JSON.parse(JSON.stringify(object));
+    },
+
     // Get the closest value in an array
     closest(array, value) {
         if (!utils.is.array(array) || !array.length) {