frontMatter: validateBlogPostFrontMatter()

in packages/docusaurus-plugin-content-blog/src/blogUtils.ts [176:232]

• 47 lines of code
• 7 McCabe index (conditional complexity)

      frontMatter: validateBlogPostFrontMatter(result.frontMatter),
    };
  } catch (err) {
    logger.error`Error while parsing blog post file path=${blogSourceAbsolute}.`;
    throw err;
  }
}

const defaultReadingTime: ReadingTimeFunction = ({content, options}) =>
  readingTime(content, options).minutes;

async function processBlogSourceFile(
  blogSourceRelative: string,
  contentPaths: BlogContentPaths,
  context: LoadContext,
  options: PluginOptions,
  authorsMap?: AuthorsMap,
): Promise<BlogPost | undefined> {
  const {
    siteConfig: {baseUrl},
    siteDir,
    i18n,
  } = context;
  const {
    routeBasePath,
    tagsBasePath: tagsRouteBasePath,
    truncateMarker,
    showReadingTime,
    editUrl,
  } = options;

  // Lookup in localized folder in priority
  const blogDirPath = await getFolderContainingFile(
    getContentPathList(contentPaths),
    blogSourceRelative,
  );

  const blogSourceAbsolute = path.join(blogDirPath, blogSourceRelative);

  const {frontMatter, content, contentTitle, excerpt} =
    await parseBlogPostMarkdownFile(blogSourceAbsolute);

  const aliasedSource = aliasedSitePath(blogSourceAbsolute, siteDir);

  if (frontMatter.draft && process.env.NODE_ENV === 'production') {
    return undefined;
  }

  if (frontMatter.id) {
    logger.warn`name=${'id'} header option is deprecated in path=${blogSourceRelative} file. Please use name=${'slug'} option instead.`;
  }

  const parsedBlogFileName = parseBlogFileName(blogSourceRelative);

  async function getDate(): Promise<Date> {
    // Prefer user-defined date.
    if (frontMatter.date) {