rsshub/dist-lib/wxchart-FpKHOKzQ.mjs

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import { t as rofetch } from "./ofetch-U0CdpE2g.mjs";
import "./types-DNj6Etbg.mjs";
import { t as parseDate } from "./parse-date-3kcy2Eau.mjs";
import { t as timezone } from "./timezone-UiMFOuvL.mjs";
//#region lib/routes/jma/wxchart.ts
const route = {
	path: "/wxchart/:type?",
	categories: ["forecast"],
	view: 2,
	example: "/jma/wxchart/daily",
	parameters: { type: {
		description: "Chart type",
		options: [{
			value: "daily",
			label: "天気図（最新）"
		}, {
			value: "monthly",
			label: "過去の実況天気図（今月）"
		}],
		default: "daily"
	} },
	radar: [{
		source: ["www.jma.go.jp/bosai/weather_map/"],
		target: "/wxchart/daily"
	}, {
		source: ["www.data.jma.go.jp/yoho/wxchart/quickmonthly.html"],
		target: "/wxchart/monthly"
	}],
	name: "天気図",
	maintainers: ["TonyRL"],
	handler,
	url: "www.jma.go.jp/bosai/weather_map/"
};
const yohoUrl = "https://www.data.jma.go.jp/yoho";
const archiveUrl = `${yohoUrl}/data/wxchart/quick`;
const areas = {
	near: {
		region: "日本周辺域",
		prefix: "SPAS",
		mono: false
	},
	near_monochrome: {
		region: "日本周辺域",
		prefix: "SPAS",
		mono: true
	},
	asia: {
		region: "アジア太平洋域",
		prefix: "ASAS",
		mono: false
	},
	asia_monochrome: {
		region: "アジア太平洋域",
		prefix: "ASAS",
		mono: true
	}
};
const charts = {
	spas: "実況天気図",
	asas: "実況天気図",
	fsas24: "24時間予想天気図",
	fsas48: "48時間予想天気図"
};
const toJst = (marker) => timezone(parseDate(marker.slice(0, 12), "YYYYMMDDHHmm"), -9);
const toYmd = (date) => date.toISOString().slice(0, 10).replaceAll("-", "");
async function handler(ctx) {
	const { type = "daily" } = ctx.req.param();
	return type === "monthly" ? await monthly() : await daily();
}
async function daily() {
	const bosaiUrl = "https://www.jma.go.jp/bosai/weather_map";
	const list = await rofetch(`${bosaiUrl}/data/list.json`);
	const files = Object.entries(list).flatMap(([area, chartGroups]) => Object.values(chartGroups).flat().map((file) => {
		const [, issued, valid, chart] = file.match(/^(\d{14})_.+?_(\d{14})_MET_CHT_JCI(\w+?)_/);
		return {
			...areas[area],
			file,
			issued,
			valid,
			chart
		};
	}));
	const items = Map.groupBy(files, ({ region, chart, valid }) => `${region}_${chart}_${valid}`).values().toArray().map((group) => {
		const { region, prefix, chart, valid, issued } = group[0];
		const lead = {
			fsas24: 24,
			fsas48: 48
		}[chart] ?? 0;
		const jst = timezone(parseDate(valid, "YYYYMMDDHHmmss"), -(9 + lead));
		const description = group.map(({ file, prefix, mono }) => {
			let html = `<img src="${bosaiUrl}/data/png/${file}">`;
			if (chart === "spas" || chart === "asas") {
				const archiveFile = `${archiveUrl}/${valid.slice(0, 6)}/${prefix}_${mono ? "MONO" : "COLOR"}_${valid.slice(0, 12)}`;
				html += `<br><a href="${archiveFile}.png">[PNG]</a> <a href="${archiveFile}.svgz">[SVG]</a> <a href="${archiveFile}.pdf">[PDF]</a>`;
			}
			return html;
		}).join("");
		return {
			title: `${charts[chart]} ${region} ${jst.getUTCMonth() + 1}月${jst.getUTCDate()}日${jst.getUTCHours()}時`,
			link: `${yohoUrl}/wxchart/quickdaily.html?show=${toYmd(jst)}#${prefix.toLowerCase()}`,
			guid: `${bosaiUrl}/data/png/${group[0].file}`,
			description,
			pubDate: timezone(parseDate(issued, "YYYYMMDDHHmmss"), 0)
		};
	});
	return {
		title: "気象庁 天気図",
		link: `${bosaiUrl}/`,
		image: "https://www.jma.go.jp/bosai/favicon.ico",
		item: items
	};
}
async function monthly() {
	const [first, latest] = await Promise.all([rofetch(`${archiveUrl}/first.txt`), rofetch(`${archiveUrl}/spas_latest.txt`)]);
	const firstDay = toYmd(toJst(first));
	const latestJst = toJst(latest);
	const latestDay = toYmd(latestJst);
	const ym = latestDay.slice(0, 6);
	const year = Number(ym.slice(0, 4));
	const monthIndex = Number(ym.slice(4, 6)) - 1;
	const items = Array.from({ length: 31 }, (_, i) => new Date(Date.UTC(year, monthIndex, i + 1))).filter((date) => {
		const ymd = toYmd(date);
		return ymd.slice(0, 6) === ym && ymd >= firstDay && ymd <= latestDay;
	}).map((date) => {
		const ymd = toYmd(date);
		const image = ymd === latestDay && latestJst.getUTCHours() < 9 ? `${archiveUrl}/${latest.slice(0, 6)}/SPAS_COLOR_${latest.slice(0, 10)}00.png` : `${archiveUrl}/${ym}/SPAS_COLOR_${ymd}0000.png`;
		return {
			title: `${date.getUTCMonth() + 1}月${date.getUTCDate()}日`,
			link: `${yohoUrl}/wxchart/quickdaily.html?show=${ymd}`,
			description: `<img src="${image}">`,
			pubDate: date
		};
	});
	return {
		title: `気象庁 ${year}年${monthIndex + 1}月の天気図一覧`,
		link: `${yohoUrl}/wxchart/quickmonthly.html?show=${ym}`,
		image: "https://www.jma.go.jp/bosai/favicon.ico",
		item: items
	};
}
//#endregion
export { route };