mirror of
https://github.com/facebook/docusaurus.git
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36 lines
1.2 KiB
TypeScript
36 lines
1.2 KiB
TypeScript
/**
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* Copyright (c) Facebook, Inc. and its affiliates.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*/
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import {SitemapStream, streamToPromise} from 'sitemap';
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import type {LastModOption, SitemapItem} from './types';
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export async function sitemapItemsToXmlString(
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items: SitemapItem[],
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options: {lastmod: LastModOption | null},
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): Promise<string> {
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if (items.length === 0) {
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// Note: technically we could, but there is a bug in the lib code
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// and the code below would never resolve, so it's better to fail fast
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throw new Error("Can't generate a sitemap with no items");
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}
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// TODO remove sitemap lib dependency?
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// https://github.com/ekalinin/sitemap.js
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// it looks like an outdated confusion super old lib
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// we might as well achieve the same result with a pure xml lib
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const sitemapStream = new SitemapStream({
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// WTF is this lib reformatting the string YYYY-MM-DD to datetime...
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lastmodDateOnly: options?.lastmod === 'date',
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});
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items.forEach((item) => sitemapStream.write(item));
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sitemapStream.end();
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const buffer = await streamToPromise(sitemapStream);
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return buffer.toString();
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}
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