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    5.0.0 • Public • Published


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

    Important note on security

    By default, this plugin contains a potential security issue: It is possible to inject Markdown containing Unsafe HTML that will not be sanitized

    This issue might not affect you because you checked the content of the markdown before using this plugin, but it's still a risk

    There are two solutions to avoid those issues:

    1. First solution is to enable option dompurify: true, which will sanitize the rendered HTML. The side effect of this solution is that it will break any tag plugin (aka {% codeblock %}). This explains why the safer option has not been enabled by default
    2. Second solution is to migrate to hexo-renderer-markdown-it which is safe by default and does not suffer from the same limitations


    $ 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
      dompurify: false
      headerIds: true
      lazyload: false
      prependRoot: true
      postAsset: false
        enable: false
        exclude: []
        nofollow: false
      disableNunjucks: false
      descriptionLists: true
    • gfm - Enables GitHub flavored markdown
    • pedantic - Conform to obscure parts of 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 «double»
        • '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. will become <a href=""></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:.
    • dompurify - Enable DOMPurify to be run on the rendered Markdown. See below for configuration
    • 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]( becomes <a href="" 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]( becomes <a href="" 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.


    Sanitize HTML with DOMPurify

    DOMPurify can be enabled to sanitize the rendered HTML.

    To enable it, pass an object containing the DOMPurify options:

    dompurify: true

    Or you can enable specific DOMPurify options (but according to DOMPurify authors, the default options are safe):

      - "style"

    See for a full reference of available options

    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');
    // 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;
        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
            type: 'text',
            raw: cap[0],


    npm i hexo-renderer-marked

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