📦 plugin-content-blog

Provides the Blog feature and is the default blog plugin for Docusaurus.

some features production only

The feed feature works by extracting the build output, and is only active in production.

Installation

npm

npm install --save @docusaurus/plugin-content-blog

Yarn

yarn add @docusaurus/plugin-content-blog

tip

If you use the preset @docusaurus/preset-classic, you don't need to install this plugin as a dependency.

You can configure this plugin through the preset options.

Configuration

Accepted fields:

Name	Type	Default	Description
path	string	'blog'	Path to the blog content directory on the file system, relative to site dir.
editUrl	string | EditUrlFn	undefined	Base URL to edit your site. The final URL is computed by editUrl + relativePostPath. Using a function allows more nuanced control for each file. Omitting this variable entirely will disable edit links.
editLocalizedFiles	boolean	false	The edit URL will target the localized file, instead of the original unlocalized file. Ignored when editUrl is a function.
blogTitle	string	'Blog'	Blog page title for better SEO.
blogDescription	string	'Blog'	Blog page meta description for better SEO.
blogSidebarCount	number | 'ALL'	5	Number of blog post elements to show in the blog sidebar. 'ALL' to show all blog posts; 0 to disable.
blogSidebarTitle	string	'Recent posts'	Title of the blog sidebar.
routeBasePath	string	'blog'	URL route for the blog section of your site. DO NOT include a trailing slash. Use / to put the blog at root path.
tagsBasePath	string	'tags'	URL route for the tags section of your blog. Will be appended to routeBasePath. DO NOT include a trailing slash.
archiveBasePath	string | null	'archive'	URL route for the archive section of your blog. Will be appended to routeBasePath. DO NOT include a trailing slash. Use null to disable generation of archive.
include	string[]	['**/*.{md,mdx}']	Array of glob patterns matching Markdown files to be built, relative to the content path.
exclude	string[]	See example configuration	Array of glob patterns matching Markdown files to be excluded. Serves as refinement based on the include option.
postsPerPage	number | 'ALL'	10	Number of posts to show per page in the listing page. Use 'ALL' to display all posts on one listing page.
blogListComponent	string	'@theme/BlogListPage'	Root component of the blog listing page.
blogPostComponent	string	'@theme/BlogPostPage'	Root component of each blog post page.
blogTagsListComponent	string	'@theme/BlogTagsListPage'	Root component of the tags list page.
blogTagsPostsComponent	string	'@theme/BlogTagsPostsPage'	Root component of the "posts containing tag" page.
blogArchiveComponent	string	'@theme/BlogArchivePage'	Root component of the blog archive page.
remarkPlugins	any[]	[]	Remark plugins passed to MDX.
rehypePlugins	any[]	[]	Rehype plugins passed to MDX.
beforeDefaultRemarkPlugins	any[]	[]	Custom Remark plugins passed to MDX before the default Docusaurus Remark plugins.
beforeDefaultRehypePlugins	any[]	[]	Custom Rehype plugins passed to MDX before the default Docusaurus Rehype plugins.
truncateMarker	RegExp	/<!--\s*(truncate)\s*-->/	Truncate marker marking where the summary ends.
showReadingTime	boolean	true	Show estimated reading time for the blog post.
readingTime	ReadingTimeFn	The default reading time	A callback to customize the reading time number displayed.
authorsMapPath	string	'authors.yml'	Path to the authors map file, relative to the blog content directory.
feedOptions	See below	{type: ['rss', 'atom']}	Blog feed.
feedOptions.type	FeedType | FeedType[] | 'all' | null	Required	Type of feed to be generated. Use null to disable generation.
feedOptions.createFeedItems	CreateFeedItemsFn | undefined	undefined	An optional function which can be used to transform and / or filter the items in the feed.
feedOptions.title	string	siteConfig.title	Title of the feed.
feedOptions.description	string	`${siteConfig.title} Blog`	Description of the feed.
feedOptions.copyright	string	undefined	Copyright message.
feedOptions.language	string (See documentation for possible values)	undefined	Language metadata of the feed.
sortPosts	'descending' | 'ascending'	'descending'	Governs the direction of blog post sorting.

Types

EditUrlFn

type EditUrlFunction = (params: {
  blogDirPath: string;
  blogPath: string;
  permalink: string;
  locale: string;
}) => string | undefined;

ReadingTimeFn

type ReadingTimeOptions = {
  wordsPerMinute: number;
  wordBound: (char: string) => boolean;
};

type ReadingTimeCalculator = (params: {
  content: string;
  frontMatter?: BlogPostFrontMatter & Record<string, unknown>;
  options?: ReadingTimeOptions;
}) => number;

type ReadingTimeFn = (params: {
  content: string;
  frontMatter: BlogPostFrontMatter & Record<string, unknown>;
  defaultReadingTime: ReadingTimeCalculator;
}) => number | undefined;

FeedType

type FeedType = 'rss' | 'atom' | 'json';

CreateFeedItemsFn

type CreateFeedItemsFn = (params: {
  blogPosts: BlogPost[];
  siteConfig: DocusaurusConfig;
  outDir: string;
  defaultCreateFeedItemsFn: CreateFeedItemsFn;
}) => Promise<BlogFeedItem[]>;

Example configuration

You can configure this plugin through preset options or plugin options.

tip

Most Docusaurus users configure this plugin through the preset options.

Preset options

If you use a preset, configure this plugin through the preset options:

docusaurus.config.js

module.exports = {
  presets: [
    [
      '@docusaurus/preset-classic',
      {
        blog: {
          path: 'blog',
          // Simple use-case: string editUrl
          // editUrl: 'https://github.com/facebook/docusaurus/edit/main/website/',
          // Advanced use-case: functional editUrl
          editUrl: ({locale, blogDirPath, blogPath, permalink}) =>
            `https://github.com/facebook/docusaurus/edit/main/website/${blogDirPath}/${blogPath}`,
          editLocalizedFiles: false,
          blogTitle: 'Blog title',
          blogDescription: 'Blog',
          blogSidebarCount: 5,
          blogSidebarTitle: 'All our posts',
          routeBasePath: 'blog',
          include: ['**/*.{md,mdx}'],
          exclude: [
            '**/_*.{js,jsx,ts,tsx,md,mdx}',
            '**/_*/**',
            '**/*.test.{js,jsx,ts,tsx}',
            '**/__tests__/**',
          ],
          postsPerPage: 10,
          blogListComponent: '@theme/BlogListPage',
          blogPostComponent: '@theme/BlogPostPage',
          blogTagsListComponent: '@theme/BlogTagsListPage',
          blogTagsPostsComponent: '@theme/BlogTagsPostsPage',
          remarkPlugins: [require('remark-math')],
          rehypePlugins: [],
          beforeDefaultRemarkPlugins: [],
          beforeDefaultRehypePlugins: [],
          truncateMarker: /<!--\s*(truncate)\s*-->/,
          showReadingTime: true,
          feedOptions: {
            type: '',
            title: '',
            description: '',
            copyright: '',
            language: undefined,
            createFeedItems: async (params) => {
              const {blogPosts, defaultCreateFeedItems, ...rest} = params;
              return defaultCreateFeedItems({
                // keep only the 10 most recent blog posts in the feed
                blogPosts: blogPosts.filter((item, index) => index < 10),
                ...rest,
              });
            },
          },
        },
      },
    ],
  ],
};

Plugin options

If you are using a standalone plugin, provide options directly to the plugin:

docusaurus.config.js

module.exports = {
  plugins: [
    [
      '@docusaurus/plugin-content-blog',
      {
        path: 'blog',
        // Simple use-case: string editUrl
        // editUrl: 'https://github.com/facebook/docusaurus/edit/main/website/',
        // Advanced use-case: functional editUrl
        editUrl: ({locale, blogDirPath, blogPath, permalink}) =>
          `https://github.com/facebook/docusaurus/edit/main/website/${blogDirPath}/${blogPath}`,
        editLocalizedFiles: false,
        blogTitle: 'Blog title',
        blogDescription: 'Blog',
        blogSidebarCount: 5,
        blogSidebarTitle: 'All our posts',
        routeBasePath: 'blog',
        include: ['**/*.{md,mdx}'],
        exclude: [
          '**/_*.{js,jsx,ts,tsx,md,mdx}',
          '**/_*/**',
          '**/*.test.{js,jsx,ts,tsx}',
          '**/__tests__/**',
        ],
        postsPerPage: 10,
        blogListComponent: '@theme/BlogListPage',
        blogPostComponent: '@theme/BlogPostPage',
        blogTagsListComponent: '@theme/BlogTagsListPage',
        blogTagsPostsComponent: '@theme/BlogTagsPostsPage',
        remarkPlugins: [require('remark-math')],
        rehypePlugins: [],
        beforeDefaultRemarkPlugins: [],
        beforeDefaultRehypePlugins: [],
        truncateMarker: /<!--\s*(truncate)\s*-->/,
        showReadingTime: true,
        feedOptions: {
          type: '',
          title: '',
          description: '',
          copyright: '',
          language: undefined,
          createFeedItems: async (params) => {
            const {blogPosts, defaultCreateFeedItems, ...rest} = params;
            return defaultCreateFeedItems({
              // keep only the 10 most recent blog posts in the feed
              blogPosts: blogPosts.filter((item, index) => index < 10),
              ...rest,
            });
          },
        },
      },
    ],
  ],
};

Markdown front matter

Markdown documents can use the following Markdown front matter metadata fields, enclosed by a line --- on either side.

Accepted fields:

Name	Type	Default	Description
authors	Authors	undefined	List of blog post authors (or unique author). Read the authors guide for more explanations. Prefer authors over the author_* front matter fields, even for single author blog posts.
author	string	undefined	⚠️ Prefer using authors. The blog post author's name.
author_url	string	undefined	⚠️ Prefer using authors. The URL that the author's name will be linked to. This could be a GitHub, Twitter, Facebook profile URL, etc.
author_image_url	string	undefined	⚠️ Prefer using authors. The URL to the author's thumbnail image.
author_title	string	undefined	⚠️ Prefer using authors. A description of the author.
title	string	Markdown title	The blog post title.
date	string	File name or file creation time	The blog post creation date. If not specified, this can be extracted from the file or folder name, e.g, 2021-04-15-blog-post.mdx, 2021-04-15-blog-post/index.mdx, 2021/04/15/blog-post.mdx. Otherwise, it is the Markdown file creation time.
tags	Tag[]	undefined	A list of strings or objects of two string fields label and permalink to tag to your post.
draft	boolean	false	A boolean flag to indicate that the blog post is work-in-progress. Draft blog posts will only be displayed during development.
hide_table_of_contents	boolean	false	Whether to hide the table of contents to the right.
toc_min_heading_level	number	2	The minimum heading level shown in the table of contents. Must be between 2 and 6 and lower or equal to the max value.
toc_max_heading_level	number	3	The max heading level shown in the table of contents. Must be between 2 and 6.
keywords	string[]	undefined	Keywords meta tag, which will become the <meta name="keywords" content="keyword1,keyword2,..."/> in <head>, used by search engines.
description	string	The first line of Markdown content	The description of your document, which will become the <meta name="description" content="..."/> and <meta property="og:description" content="..."/> in <head>, used by search engines.
image	string	undefined	Cover or thumbnail image that will be used when displaying the link to your post.
slug	string	File path	Allows to customize the blog post URL (/<routeBasePath>/<slug>). Support multiple patterns: slug: my-blog-post, slug: /my/path/to/blog/post, slug: /.

type Tag = string | {label: string; permalink: string};

// An author key references an author from the global plugin authors.yml file
type AuthorKey = string;

type Author = {
  key?: AuthorKey;
  name: string;
  title?: string;
  url?: string;
  image_url?: string;
};

// The front matter authors field allows various possible shapes
type Authors = AuthorKey | Author | (AuthorKey | Author)[];

Example:

---
title: Welcome Docusaurus v2
authors:
  - slorber
  - yangshun
  - name: Joel Marcey
    title: Co-creator of Docusaurus 1
    url: https://github.com/JoelMarcey
    image_url: https://github.com/JoelMarcey.png
tags: [hello, docusaurus-v2]
description: This is my first post on Docusaurus 2.
image: https://i.imgur.com/mErPwqL.png
hide_table_of_contents: false
---

A Markdown blog post

i18n

Read the i18n introduction first.

Translation files location

• Base path: website/i18n/[locale]/docusaurus-plugin-content-blog
• Multi-instance path: website/i18n/[locale]/docusaurus-plugin-content-blog-[pluginId]
• JSON files: extracted with docusaurus write-translations
• Markdown files: website/i18n/[locale]/docusaurus-plugin-content-blog

Example file-system structure

website/i18n/[locale]/docusaurus-plugin-content-blog
│
│ # translations for website/blog
├── authors.yml
├── first-blog-post.md
├── second-blog-post.md
│
│ # translations for the plugin options that will be rendered
└── options.json