API Client to fetch data from https://www.jma.go.jp/jma/index.html.
yarn add jmaaapi or npm install jmaapi
import { JmaApi } from "jmaapi";
const api = new JmaApi();
(async () => {
const area = await api.getArea();
const tokyoCode = Object.entries(area.offices)
.filter(([_, center]) => center.name.includes("東京都"))
.map(([code, _]) => code)[0];
const data = await api.getForecast("offices", tokyoCode);
console.log(JSON.stringify(data));
})();See comments in ./src/api/index.ts and type declarations.