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4.0.0 • Public • Published


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Add support for Markdown. This plugin uses marked as its render engine.


$ npm install hexo-renderer-marked --save
  • Hexo 4: >= 2.0
  • Hexo 3: >= 0.2
  • Hexo 2: 0.1.x


You can configure this plugin in _config.yml.

  gfm: true
  pedantic: false
  breaks: true
  smartLists: true
  smartypants: true
  quotes: '“”‘’'
  modifyAnchors: 0
  anchorAlias: false
  autolink: true
  mangle: true
  sanitizeUrl: false
  headerIds: true
  lazyload: false
  prependRoot: false
  postAsset: false
    enable: false
    exclude: []
    nofollow: false
  disableNunjucks: false
  descriptionLists: true
  • gfm - Enables GitHub flavored markdown
  • pedantic - Conform to obscure parts of markdown.pl as much as possible. Don't fix any of the original markdown bugs or poor behavior.
  • breaks - Enable GFM line breaks. This option requires the gfm option to be true.
  • smartLists - Use smarter list behavior than the original markdown.
  • smartypants - Use "smart" typographic punctuation for things like quotes and dashes.
  • quotes - Defines the double and single quotes used for substituting regular quotes if smartypants is enabled.
    • Example: '«»“”'
      • "double" will be turned into «single»
      • 'single' will be turned into “single”
    • Both double and single quotes substitution must be specified, otherwise it will be silently ignored.
  • modifyAnchors - Transform the anchorIds into lower case (1) or upper case (2).
  • autolink - Enable autolink for URLs. E.g. https://hexo.io will become <a href="https://hexo.io">https://hexo.io</a>.
  • mangle - Escape autolinked email address with HTML character references.
    • This is to obscure email address from basic crawler used by spam bot, while still readable to web browsers.
  • sanitizeUrl - Remove URLs that start with javascript:, vbscript: and data:.
  • headerIds - Insert header id, e.g. <h1 id="value">text</h1>. Useful for inserting anchor link to each paragraph with a heading.
  • anchorAlias - Enables custom header id
    • Example: ## [foo](#bar), id will be set as "bar".
    • Requires headerIds to be enabled.
  • lazyload - Lazy loading images via loading="lazy" attribute.
  • prependRoot - Prepend root value to (internal) image path.
    • Example _config.yml:
    root: /blog/
    • ![text](/path/to/image.jpg) becomes <img src="/blog/path/to/image.jpg" alt="text">
  • postAsset - Resolve post asset's image path to relative path and prepend root value when post_asset_folder is enabled.
    • "image.jpg" is located at "/2020/01/02/foo/image.jpg", which is a post asset of "/2020/01/02/foo/".
    • ![](image.jpg) becomes <img src="/2020/01/02/foo/image.jpg">
    • Requires prependRoot to be enabled.
  • external_link
    • enable - Open external links in a new tab.
    • exclude - Exclude hostname. Specify subdomain when applicable, including www.
      • Example: [foo](http://bar.com) becomes <a href="http://bar.com" target="_blank" rel="noopener">foo</a>
    • nofollow - Add rel="noopener external nofollow noreferrer" to all external links for security, privacy and SEO. Read more. This can be enabled regardless of external_link.enable
      • Example: [foo](http://bar.com) becomes <a href="http://bar.com" rel="noopener external nofollow noreferrer">foo</a>
  • disableNunjucks: If true, Nunjucks tags {{ }} or {% %} (usually used by tag plugins) will not be rendered.
  • descriptionLists: Enable support for description lists syntax.
    • Currently description lists syntax is not in neither CommonMark or GFM, hexo-renderer-marked only provides the option for backward compatibility.
    • By disabling the descriptionLists, markdown rendering performance will be improved by a lot.

For more options, see Marked. Due to the customizations implemented by this plugin, some of the Marked's options may not work as expected. Feel free to raise an issue to us for clarification.


Definition/Description Lists

hexo-renderer-marked also implements description/definition lists using the same syntax as PHP Markdown Extra.

This Markdown:

Definition Term
:    This is the definition for the term

will generate this HTML:

  <dt>Definition Term</dt>
  <dd>This is the definition for the term</dd>

Note: There is currently a limitation in this implementation. If multiple definitions are provided, the rendered HTML will be incorrect.

For example, this Markdown:

Definition Term
:    Definition 1
:    Definition 2

will generate this HTML:

  <dt>Definition Term<br>: Definition 1</dt>
  <dd>Definition 2</dd>

If you've got ideas on how to support multiple definitions, please provide a pull request. We'd love to support it.


This plugin overrides some default behaviours of how marked plugin renders the markdown into html, to integrate with the Hexo ecosystem. It is possible to override this plugin too, without resorting to forking the whole thing.

For example, to override how heading like # heading text is rendered:

hexo.extend.filter.register('marked:renderer', function(renderer) {
  const { config } = this; // Skip this line if you don't need user config from _config.yml
  renderer.heading = function(text, level) {
    // Default behaviour
    // return `<h${level}>${text}</h${level}>`;
    // outputs <h1>heading text</h1>

    // If you want to insert custom class name
    return `<h${level} class="headerlink">${text}</h${level}>`;
    // outputs <h1 class="headerlink">heading text</h1>

Save the file in "scripts/" folder and run Hexo as usual.

Notice renderer.heading = function (text, level) { corresponds to this line. Refer to renderer.js on how this plugin overrides the default methods. For other methods not covered by this plugin, refer to marked's documentation.


It is also possible to customize the tokenizer.

const { escape } = require('marked/src/helpers');

// https://github.com/markedjs/marked/blob/b6773fca412c339e0cedd56b63f9fa1583cfd372/src/Lexer.js#L8-L24
// Replace dashes only
const smartypants = (str) => {
  return str
    // em-dashes
    .replace(/---/g, '\u2014')
    // en-dashes
    .replace(/--/g, '\u2013')

hexo.extend.filter.register('marked:tokenizer', function(tokenizer) {
  const { smartypants: isSmarty } = this.config.marked;
  tokenizer.inlineText = function(src, inRawBlock) {
    const { rules } = this;

    // https://github.com/markedjs/marked/blob/b6773fca412c339e0cedd56b63f9fa1583cfd372/src/Tokenizer.js#L643-L658
    const cap = rules.inline.text.exec(src);
    if (cap) {
      let text;
      if (inRawBlock) {
        text = cap[0];
      } else {
        text = escape(isSmarty ? smartypants(cap[0]) : cap[0]);
      return {
        // `type` value is a corresponding renderer method
        // https://marked.js.org/using_pro#inline-level-renderer-methods
        type: 'text',
        raw: cap[0],


npm i hexo-renderer-marked

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