71 lines
2.4 KiB
TypeScript
71 lines
2.4 KiB
TypeScript
import { load } from 'cheerio';
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import type { Data, DataItem } from '@/types';
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import cache from '@/utils/cache';
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import ofetch from '@/utils/ofetch';
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import { BASE_URL } from './constants';
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/** Fetch the content of a given article. */
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export const fetchArticleContent = async (url: string): Promise<string> => {
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const data = await ofetch(url, { responseType: 'text' });
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const $ = load(data);
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return $('article.prose').html() ?? '';
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};
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/** Fetch the feed object. */
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export const fetchFeed = async (limit: number): Promise<Data> => {
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const url = new URL('/feeds/atom.xml', BASE_URL).href;
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const data = await ofetch(url, { responseType: 'text' });
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const $ = load(data, { xml: true });
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const items = await Promise.all(
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$('entry')
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.toArray()
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.slice(0, limit)
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.map((entry) => {
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const title = $(entry).find('title').text();
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const id = $(entry).find('id').text();
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const url = $(entry).find('link[href]').attr('href');
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const imageUrl = $(entry).find('link[rel="enclosure"]').attr('href');
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if (url === undefined) {
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throw new Error(`No article URL found for article with id ${id}`);
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}
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return cache.tryGet(
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`tailwindcss:${id}`,
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async () =>
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({
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title,
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link: url,
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image: imageUrl,
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description: await fetchArticleContent(url),
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author: $(entry)
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.find('author')
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.toArray()
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.map((el) => ({
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name: $(el).find('name').text(),
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url: $(el).find('url').text(),
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})),
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pubDate: $(entry).find('updated').text(),
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guid: $(entry).find('id').text(),
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}) as DataItem
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);
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})
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);
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return {
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title: $('feed > title').text(),
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item: items,
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author: $('feed > author > name').text(),
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logo: $('feed > logo').text(),
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icon: $('feed > icon').text(),
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description: $('feed > subtitle').text(),
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link: $('feed > link[rel="alternate"]').attr('href'),
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} as Data;
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};
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