Method tasks

src/atcoder.ts:143–162

* 問題一覧を取得 * @param contest_id * @throws Error

(contest_id: string)

	 * @throws Error
	 */
	async tasks(contest_id: string): Promise<Array<Task>> {
		// コンテストが見つからない場合エラーとなるがハンドルせず外に投げる
		const response = await this.session.get(AtCoder.getTaskURL(contest_id));

		const {JSDOM} = await import("jsdom");
		const {document} = new JSDOM(response.data).window;
		// very very ad-hoc and not type-safe section
		const tbody = document.querySelector("#main-div .row table>tbody");
		if (tbody === null) return [];
		const tasks: Array<Task> = [];
		for (const tr of tbody.querySelectorAll("tr")) {
			// tr>td>a
			const id: string = tr.children[0].children[0].getAttribute("href")!.split("/").pop()!;
			const label: string = (tr.children[0].children[0] as HTMLAnchorElement).text;
			const title: string = (tr.children[1].children[0] as HTMLAnchorElement).text;
			const url: string = `${AtCoder.base_url}${tr.children[0].children[0].getAttribute("href")!.substring(1)}`;
			tasks.push({id, label, title, url});
		}
		return tasks;
	}

	/**
	 * 単一の問題を取得