async loadContent()

in packages/docusaurus-plugin-content-blog/src/index.ts [110:182]
62 lines of code
7 McCabe index (conditional complexity)

    async loadContent() {
      const {
        postsPerPage: postsPerPageOption,
        routeBasePath,
        tagsBasePath,
        blogDescription,
        blogTitle,
        blogSidebarTitle,
      } = options;

      const blogPosts = await generateBlogPosts(contentPaths, context, options);

      if (!blogPosts.length) {
        return {
          blogSidebarTitle,
          blogPosts: [],
          blogListPaginated: [],
          blogTags: {},
          blogTagsListPath: null,
          blogTagsPaginated: [],
        };
      }

      // Colocate next and prev metadata.
      blogPosts.forEach((blogPost, index) => {
        const prevItem = index > 0 ? blogPosts[index - 1] : null;
        if (prevItem) {
          blogPost.metadata.prevItem = {
            title: prevItem.metadata.title,
            permalink: prevItem.metadata.permalink,
          };
        }

        const nextItem =
          index < blogPosts.length - 1 ? blogPosts[index + 1] : null;
        if (nextItem) {
          blogPost.metadata.nextItem = {
            title: nextItem.metadata.title,
            permalink: nextItem.metadata.permalink,
          };
        }
      });

      const baseBlogUrl = normalizeUrl([baseUrl, routeBasePath]);

      const blogListPaginated: BlogPaginated[] = paginateBlogPosts({
        blogPosts,
        blogTitle,
        blogDescription,
        postsPerPageOption,
        basePageUrl: baseBlogUrl,
      });

      const blogTags: BlogTags = getBlogTags({
        blogPosts,
        postsPerPageOption,
        blogDescription,
        blogTitle,
      });

      const tagsPath = normalizeUrl([baseBlogUrl, tagsBasePath]);

      const blogTagsListPath =
        Object.keys(blogTags).length > 0 ? tagsPath : null;

      return {
        blogSidebarTitle,
        blogPosts,
        blogListPaginated,
        blogTags,
        blogTagsListPath,
      };
    },