52 lines
1.3 KiB
TypeScript
52 lines
1.3 KiB
TypeScript
import { parse } from "node-html-parser";
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const BASE_URL =
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"https://www.nasa.gov/gallery/human-spaceflight-mission-patches/";
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async function getPatchHrefs() {
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function getGalleryPageHref(page: number) {
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if (page > 1) {
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return `${BASE_URL}page/${page}/`;
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} else {
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return BASE_URL;
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}
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}
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const hrefRequests = [...Array(7).keys()]
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.map((val) => ++val)
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.map((page) =>
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(async () => {
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const req = await fetch(getGalleryPageHref(page));
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const data = parse(await req.text());
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const gallery = data
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.getElementsByTagName("div")
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.filter((el) => el.classList.contains("hds-gallery-items"))
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.shift();
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return gallery
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?.getElementsByTagName("a")
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.map((el) => el.getAttribute("href"))
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.filter((el) => el) as string[];
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})(),
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);
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const hrefLists = await Promise.all(hrefRequests);
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return hrefLists.flat();
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}
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const allPatches = await getPatchHrefs();
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const patchRequests = allPatches.map((testPatchUrl) =>
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(async () => {
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const req = await fetch(testPatchUrl);
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const data = parse(await req.text());
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return data.getElementsByTagName("h1")[0].nextElementSibling?.innerText;
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})(),
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);
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const patchDescriptions = await Promise.all(patchRequests);
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console.log(patchDescriptions);
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