Markdownlint Custom Rules

Master creating custom markdownlint rules including rule structure, markdown-it and micromark parser integration, error reporting with fixInfo, and asynchronous rule development.

Overview

Markdownlint allows you to create custom rules tailored to your project's specific documentation requirements. Custom rules can enforce project-specific conventions, validate content patterns, and ensure consistency beyond what built-in rules provide.

Rule Object Structure

Basic Rule Definition

Every custom rule must be a JavaScript object with specific properties: