Add prefer optional chaining rule

src/plugins/bookPlayer/plugin.js

@@ -384,7 +384,7 @@ export class BookPlayer {
     }
 
     canPlayItem(item) {
-        return item.Path && item.Path.endsWith('epub');
+        return item.Path?.endsWith('epub');
     }
 }
 

src/plugins/chromecastPlayer/plugin.js

@@ -103,7 +103,7 @@ class CastPlayer {
             return;
         }
 
-        if (!chrome.cast || !chrome.cast.isAvailable) {
+        if (!chrome.cast?.isAvailable) {
             setTimeout(this.initializeCastPlayer.bind(this), 1000);
             return;
         }
@@ -322,14 +322,14 @@ class CastPlayer {
 
         const session = player.session;
 
-        if (session && session.receiver && session.receiver.friendlyName) {
+        if (session?.receiver?.friendlyName) {
             receiverName = session.receiver.friendlyName;
         }
 
         let apiClient;
-        if (message.options && message.options.ServerId) {
+        if (message.options?.ServerId) {
             apiClient = ServerConnections.getApiClient(message.options.ServerId);
-        } else if (message.options && message.options.items && message.options.items.length) {
+        } else if (message.options?.items?.length) {
             apiClient = ServerConnections.getApiClient(message.options.items[0].ServerId);
         } else {
             apiClient = ServerConnections.currentApiClient();
@@ -350,7 +350,7 @@ class CastPlayer {
             message.maxBitrate = bitrateSetting;
         }
 
-        if (message.options && message.options.items) {
+        if (message.options?.items) {
             message.subtitleAppearance = userSettings.getSubtitleAppearanceSettings();
             message.subtitleBurnIn = appSettings.get('subtitleburnin') || '';
         }
@@ -451,10 +451,10 @@ function onVolumeDownKeyDown() {
 }
 
 function normalizeImages(state) {
-    if (state && state.NowPlayingItem) {
+    if (state?.NowPlayingItem) {
         const item = state.NowPlayingItem;
 
-        if ((!item.ImageTags || !item.ImageTags.Primary) && item.PrimaryImageTag) {
+        if ((!item.ImageTags?.Primary) && item.PrimaryImageTag) {
             item.ImageTags = item.ImageTags || {};
             item.ImageTags.Primary = item.PrimaryImageTag;
         }
@@ -599,7 +599,7 @@ class ChromecastPlayer {
     getTargets() {
         const targets = [];
 
-        if (this._castPlayer && this._castPlayer.hasReceivers) {
+        if (this._castPlayer?.hasReceivers) {
             targets.push(this.getCurrentTargetInfo());
         }
 
@@ -612,7 +612,7 @@ class ChromecastPlayer {
 
         const castPlayer = this._castPlayer;
 
-        if (castPlayer.session && castPlayer.session.receiver && castPlayer.session.receiver.friendlyName) {
+        if (castPlayer.session?.receiver?.friendlyName) {
             appName = castPlayer.session.receiver.friendlyName;
         }
 

src/plugins/htmlAudioPlayer/plugin.js

@@ -413,7 +413,7 @@ class HtmlAudioPlayer {
         const mediaElement = this._mediaElement;
         if (mediaElement) {
             const seekable = mediaElement.seekable;
-            if (seekable && seekable.length) {
+            if (seekable?.length) {
                 let start = seekable.start(0);
                 let end = seekable.end(0);
 

src/plugins/htmlVideoPlayer/plugin.js

@@ -1010,7 +1010,7 @@ export class HtmlVideoPlayer {
         }
 
         if (elem.videoWidth === 0 && elem.videoHeight === 0) {
-            const mediaSource = (this._currentPlayOptions || {}).mediaSource;
+            const mediaSource = this._currentPlayOptions?.mediaSource;
 
             // Only trigger this if there is media info
             // Avoid triggering in situations where it might not actually have a video stream (audio only live tv channel)
@@ -1536,7 +1536,7 @@ export class HtmlVideoPlayer {
                     }
                 }
 
-                if (selectedTrackEvent && selectedTrackEvent.Text) {
+                if (selectedTrackEvent?.Text) {
                     subtitleTextElement.innerHTML = DOMPurify.sanitize(
                         normalizeTrackEventText(selectedTrackEvent.Text, true));
                     subtitleTextElement.classList.remove('hide');
@@ -1812,7 +1812,7 @@ export class HtmlVideoPlayer {
                 Windows.UI.ViewManagement.ApplicationView.getForCurrentView().tryEnterViewModeAsync(Windows.UI.ViewManagement.ApplicationViewMode.default);
             }
         } else {
-            if (video && video.webkitSupportsPresentationMode && typeof video.webkitSetPresentationMode === 'function') {
+            if (video?.webkitSupportsPresentationMode && typeof video.webkitSetPresentationMode === 'function') {
                 video.webkitSetPresentationMode(isEnabled ? 'picture-in-picture' : 'inline');
             }
         }
@@ -1891,7 +1891,7 @@ export class HtmlVideoPlayer {
         const mediaElement = this.#mediaElement;
         if (mediaElement) {
             const seekable = mediaElement.seekable;
-            if (seekable && seekable.length) {
+            if (seekable?.length) {
                 let start = seekable.start(0);
                 let end = seekable.end(0);
 

src/plugins/logoScreensaver/plugin.js

@@ -25,7 +25,7 @@ export default function () {
 
         const elem = document.querySelector('.logoScreenSaverImage');
 
-        if (elem && elem.animate) {
+        if (elem?.animate) {
             const random = randomInt(0, animations.length - 1);
 
             animations[random](elem, 1);

src/plugins/pdfPlayer/plugin.js

@@ -312,7 +312,7 @@ export class PdfPlayer {
     }
 
     canPlayItem(item) {
-        return item.Path && item.Path.endsWith('pdf');
+        return item.Path?.endsWith('pdf');
     }
 }
 

src/plugins/sessionPlayer/plugin.js

@@ -157,7 +157,7 @@ function subscribeToPlayerUpdates(instance) {
 }
 
 function normalizeImages(state, apiClient) {
-    if (state && state.NowPlayingItem) {
+    if (state?.NowPlayingItem) {
         const item = state.NowPlayingItem;
 
         if (!item.ImageTags || !item.ImageTags.Primary && item.PrimaryImageTag) {