refactor(parser)!: Implement endpoint/command parsers (#812)

src/parser/classes/endpoints/ReelWatchEndpoint.ts

@@ -0,0 +1,49 @@
+import { YTNode } from '../../helpers.js';
+import type { IEndpoint, RawNode, ReelWatchRequest } from '../../index.js';
+
+export default class ReelWatchEndpoint extends YTNode implements IEndpoint<ReelWatchRequest> {
+  static type = 'ReelWatchEndpoint';
+
+  #API_PATH = 'reel/reel_item_watch';
+  #data: RawNode;
+
+  constructor(data: RawNode) {
+    super();
+    this.#data = data;
+  }
+
+  public getApiPath(): string {
+    return this.#API_PATH;
+  }
+
+  public buildRequest(): ReelWatchRequest {
+    const request: ReelWatchRequest = {};
+
+    if (this.#data.videoId) {
+      request.playerRequest = {
+        videoId: this.#data.videoId
+      };
+    }
+    
+    if (request.playerRequest) {
+      if (this.#data.playerParams)
+        request.playerRequest.params = this.#data.playerParams;
+
+      if (this.#data.racyCheckOk)
+        request.playerRequest.racyCheckOk = !!this.#data.racyCheckOk;
+
+      if (this.#data.contentCheckOk)
+        request.playerRequest.contentCheckOk = !!this.#data.contentCheckOk;
+    }
+
+    if (this.#data.params)
+      request.params = this.#data.params;
+
+    if (this.#data.inputType)
+      request.inputType = this.#data.inputType;
+
+    request.disablePlayerResponse = !!this.#data.disablePlayerResponse;
+
+    return request;
+  }
+}