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