Configuration

Streamdown can be configured to suit your needs. This guide will walk you through the available options and how to configure them.

Core Props

Styling Props

Plugin Props

Default Rehype Plugins:

• rehype-harden - Security hardening (allows all image and link prefixes, data images enabled)
• rehype-raw - HTML support
• rehype-katex - Math rendering with KaTeX

Default Remark Plugins:

• remark-gfm - GitHub Flavored Markdown
• remark-math - Math syntax support (single dollar text math disabled)
• remark-cjk-friendly - CJK (Chinese, Japanese, Korean) text support
• remark-cjk-friendly-gfm-strikethrough - CJK-friendly GFM strikethrough support

Feature-Specific Props

Advanced Props

The controls prop can be configured granularly:

<Streamdown
  controls={{
    table: true,        // Show table download button
    code: true,         // Show code copy button
    mermaid: {
      download: true,   // Show mermaid download button
      copy: true,       // Show mermaid copy button
      fullscreen: true  // Show mermaid fullscreen button
    }
  }}
>
  {markdown}
</Streamdown>