adding dev files to master

adding all the dev files, package, webpack etc, including build which will contain minified release

src/helpers/Identification.js

@@ -0,0 +1,48 @@
+export const isLivestream = () => {
+    const timeDisplay = document.querySelector('.ytp-time-display');
+    const chatApp = document.querySelector('yt-live-chat-app');
+    const chatHeader = document.querySelector('.yt-live-chat-renderer-0');
+    const timeDisplayCheck = timeDisplay && timeDisplay.classList.contains('ytp-live');
+    const chatCheck = (document.body.contains(chatApp) || document.body.contains(chatHeader));
+
+    return (timeDisplayCheck || chatCheck);
+};
+
+// isYoutubeGaming checks for the presence of ytg-app, the top level element for YT Gaming
+export const isYoutubeGaming = () => {
+    return !!document.querySelector('ytg-app');
+};
+
+// isYoutubeEmbed checks that this is an iframe, and it is being used on youtube.com
+export const isYoutubeVanilla = () => {
+    // window.frameElement is only available from youtube.com sites from within iframe per CORS
+    return !!window.frameElement;
+};
+
+// isYoutubeEmbed checks that this is an iframe, and it is **not** loaded from youtube.com (main site uses embed too)
+export const isYoutubeEmbed = () => {
+
+    // If the frameElement is available, then CORS means that we must be on youtube.com.
+    if (window.frameElement) {
+        return false;
+    }
+
+    // If the window location isn't the parent location, then we are in an iframe.
+    return (window.location != window.parent.location);
+};
+
+// isPopOut fix for popout page
+export const isPopOut = () => {
+    
+    // If the frameElement is available, then CORS means that we must be on youtube.com.
+    if (window.frameElement) {
+        return false;
+    }
+
+    // Checks href for page 
+    if(window.location.href.includes('is_popout=1')){
+        return !!window.location.href.includes('popout=1');
+    }
+
+    return false;
+};