Huge Update

play-dl/YouTube/classes/Thumbnail.ts

@@ -0,0 +1,48 @@
+type ThumbnailType = "default" | "hqdefault" | "mqdefault" | "sddefault" | "maxresdefault" | "ultrares";
+
+export class Thumbnail {
+    id?: string;
+    width?: number;
+    height?: number;
+    url?: string;
+
+    constructor(data: any) {
+        if (!data) throw new Error(`Cannot instantiate the ${this.constructor.name} class without data!`);
+
+        this._patch(data);
+    }
+
+    private _patch(data: any) {
+        if (!data) data = {};
+
+        this.id = data.id || undefined;
+        this.width = data.width || 0;
+        this.height = data.height || 0;
+        this.url = data.url || undefined;
+    }
+
+    displayThumbnailURL(thumbnailType: ThumbnailType = "maxresdefault"): string {
+        if (!["default", "hqdefault", "mqdefault", "sddefault", "maxresdefault", "ultrares"].includes(thumbnailType)) throw new Error(`Invalid thumbnail type "${thumbnailType}"!`);
+        if (thumbnailType === "ultrares") return this.url as string;
+        return `https://i3.ytimg.com/vi/${this.id}/${thumbnailType}.jpg`;
+    }
+
+    defaultThumbnailURL(id: "0" | "1" | "2" | "3" | "4"): string {
+        if (!id) id = "0";
+        if (!["0", "1", "2", "3", "4"].includes(id)) throw new Error(`Invalid thumbnail id "${id}"!`);
+        return `https://i3.ytimg.com/vi/${this.id}/${id}.jpg`;
+    }
+
+    toString(): string {
+        return this.url ? `${this.url}` : "";
+    }
+
+    toJSON() {
+        return {
+            id: this.id,
+            width: this.width,
+            height: this.height,
+            url: this.url
+        };
+    }
+}