feat: add support of cloudflare workers (#596)

src/platform/cf-worker.ts

@@ -0,0 +1,71 @@
+import type { ICache } from '../types/Cache.js';
+import { Platform } from '../utils/Utils.js';
+import evaluate from './jsruntime/jinter.js';
+import { $INLINE_JSON } from 'ts-transformer-inline-file';
+import sha1Hash from './polyfills/web-crypto.js';
+
+const { homepage, version, bugs } = $INLINE_JSON('../../package.json');
+const repo_url = homepage?.split('#')[0];
+
+class Cache implements ICache {
+  #persistent_directory: string;
+  #persistent: boolean;
+
+  constructor(persistent = false, persistent_directory?: string) {
+    this.#persistent_directory = persistent_directory || '';
+    this.#persistent = persistent;
+  }
+
+  get cache_dir() {
+    return this.#persistent ? this.#persistent_directory : '';
+  }
+
+  async get(key: string) {
+    const cache = await caches.open('yt-api');
+
+    const response = await cache.match(key);
+    if (!response) return undefined;
+
+    return response.arrayBuffer();
+  }
+
+  async set(key: string, value: ArrayBuffer) {
+
+    const cache = await caches.open('yt-api');
+    cache.put(key, new Response(value));
+  }
+
+  async remove(key: string) {
+    const cache = await caches.open('yt-api');
+
+    await cache.delete(key);
+  }
+}
+
+Platform.load({
+  runtime: 'cf-worker',
+  info: {
+    version: version,
+    bugs_url: bugs?.url || `${repo_url}/issues`,
+    repo_url
+  },
+  server: true,
+  Cache: Cache,
+  sha1Hash,
+  uuidv4() {
+    return crypto.randomUUID();
+  },
+  eval: evaluate,
+  fetch: fetch.bind(globalThis),
+  Request: Request,
+  Response: Response,
+  Headers: Headers,
+  FormData: FormData,
+  File: File,
+  ReadableStream: ReadableStream,
+  CustomEvent: CustomEvent
+});
+
+export * from './lib.js';
+import Innertube from './lib.js';
+export default Innertube;