added youtube dislike

addon/addonmanager.js

@@ -0,0 +1,37 @@
+import { isValidURL } from "../utils/misc.js";
+import { findPath } from "../utils/paths.js";
+
+
+import fs from 'fs';
+const youtube = fs.readFileSync(await findPath('youtubeutils.js'));
+
+/**
+ * @param {Electron.WebContents} contents
+ */
+const youtubeinject = (contents) => {
+    const f = () => contents.executeJavaScript(youtube).then(() => contents.executeJavaScript('injectDislike()'));
+    contents.addListener('did-finish-load', f);
+    contents.addListener('did-navigate', async (_) => {
+        const hostname = await contents.executeJavaScript('window.location.hostname');
+        if (hostname !== 'www.youtube.com') return contents.removeListener('did-navigate', f);
+        else f();
+    })
+}
+
+
+/**
+ * @param {Electron.WebContents} contents
+ */
+export default async function addonManager(contents) {
+    try {
+        const hostname = await contents.executeJavaScript('window.location.hostname');
+
+        if (hostname === 'www.youtube.com') return youtubeinject(contents);
+        
+        return {};
+    }
+    catch (err) {
+        console.error(err);
+        return {};
+    }
+}