Initial import from local backup (Documents-Playground/pakerpale)

app/youtube/util/index.js

@@ -0,0 +1,41 @@
+const { parse } = require('url');
+
+/**
+ * Parse a string as a potential YouTube resource URL.
+ * @param {string} url
+ * @returns {{video: ?string, channel: ?string, playlist: ?string}}
+ */
+exports.parseURL = (url) => {
+    const parsed = parse(url, true);
+    switch (parsed.hostname) {
+        case 'www.youtube.com':
+        case 'youtube.com':
+        case 'm.youtube.com':
+        case 'music.youtube.com': {
+            const idRegex = /^[a-zA-Z0-9-_]+$/;
+            if (parsed.pathname === '/watch') {
+                if (!idRegex.test(parsed.query.v)) return {};
+                const response = { video: parsed.query.v };
+                if (parsed.query.list) response.playlist = parsed.query.list;
+                return response;
+            } else if (parsed.pathname === '/playlist') {
+                if(!idRegex.test(parsed.query.list)) return {};
+                return { playlist: parsed.query.list };
+            } else if (parsed.pathname.startsWith('/channel/')) {
+                const id = parsed.pathname.replace('/channel/', '');
+                if (!idRegex.test(id)) return {};
+                return { channel: id };
+            } else if (parsed.pathname.startsWith('/browse/')) {
+                const id = parsed.pathname.replace('/browse/', '');
+                if (!idRegex.test(id)) return {};
+                return { channel: id };
+            }
+
+            return {};
+        }
+        case 'youtu.be':
+            return { video: /^\/[a-zA-Z0-9-_]+$/.test(parsed.pathname) ? parsed.pathname.slice(1) : null };
+        default:
+            return {};
+    }
+};