@mdit-kdu/plugin-frontmatter

A markdown-it plugin to get markdown frontmatter with gray-matter.

• Extracts frontmatter into markdown-it env.frontmatter.
• Allows providing default frontmatter via markdown-it env.frontmatter.
• Extracts markdown content without frontmatter into markdown-it env.content.
• Supports extracting rendered excerpt into markdown-it env.excerpt.

Install

npm i @mdit-kdu/plugin-frontmatter

Usage

import MarkdownIt from 'markdown-it';
import { frontmatterPlugin } from '@mdit-kdu/plugin-frontmatter';
import type { MarkdownItEnv } from '@mdit-kdu/types';

const md = MarkdownIt({ html: true }).use(frontmatterPlugin, {
  // options
  grayMatterOptions: {
    excerpt: true,
    excerpt_separator: '<!-- more -->',
  },
});
const env: MarkdownItEnv = {};

const rendered = md.render(
  `\
---
title: foobar
---

Everything above **more** comment will be extracted as excerpt.

<!-- more -->

Things below **more** comment will not be included in the excerpt.
`,
  env,
);

console.log(env.frontmatter);
console.log(env.content);
console.log(env.excerpt);

Options

grayMatterOptions

• Type: GrayMatterOptions

• Details:

  Options of gray-matter.

renderExcerpt

• Type: boolean

• Default: true

  Render the excerpt with markdown-it or not.

  This option will only take effects when grayMatterOptions.excerpt is enabled (disabled by default) or grayMatterOptions.excerpt_separator is set (undefined by default).