injectHtmlTags()

in packages/docusaurus-plugin-content-blog/src/index.ts [505:560]
51 lines of code
3 McCabe index (conditional complexity)

    injectHtmlTags({content}) {
      if (!content.blogPosts.length) {
        return {};
      }

      if (!options.feedOptions?.type) {
        return {};
      }

      const feedTypes = options.feedOptions.type;
      const feedTitle = options.feedOptions.title ?? context.siteConfig.title;
      const feedsConfig = {
        rss: {
          type: 'application/rss+xml',
          path: 'rss.xml',
          title: `${feedTitle} RSS Feed`,
        },
        atom: {
          type: 'application/atom+xml',
          path: 'atom.xml',
          title: `${feedTitle} Atom Feed`,
        },
        json: {
          type: 'application/json',
          path: 'feed.json',
          title: `${feedTitle} JSON Feed`,
        },
      };
      const headTags: HtmlTags = [];

      feedTypes.forEach((feedType) => {
        const {
          type,
          path: feedConfigPath,
          title: feedConfigTitle,
        } = feedsConfig[feedType];

        headTags.push({
          tagName: 'link',
          attributes: {
            rel: 'alternate',
            type,
            href: normalizeUrl([
              baseUrl,
              options.routeBasePath,
              feedConfigPath,
            ]),
            title: feedConfigTitle,
          },
        });
      });

      return {
        headTags,
      };
    },