Horizontal Rule Plugin

The HorizontalRulePlugin adds horizontal rule (divider) support with a toolbar button and Markdown-style input rule.

Usage

import { HorizontalRulePlugin } from '@notectl/core';

new HorizontalRulePlugin()

Configuration

interface HorizontalRuleConfig {
  /** Render separator after toolbar item. */
  readonly separatorAfter?: boolean;
}

Commands

Command	Description	Returns
insertHorizontalRule	Insert a horizontal rule followed by a new paragraph	boolean

editor.executeCommand('insertHorizontalRule');

The command inserts the <hr> and automatically creates a new paragraph below it, so the cursor has a place to continue typing.

Input Rules

Pattern	Result
--- (three or more dashes + space)	Horizontal rule

Node Spec

Type	HTML Tag	Description
horizontal_rule	<hr>	Void block (no editable content)

The horizontal rule is a void block — it has no text content and cannot be edited. It acts purely as a visual divider between content sections.