tiptap-editor

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Tiptap editor API patterns for vmark WYSIWYG development. Use when working with editor commands, node traversal, selection handling, or format operations.

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npx skill4agent add xiaolai/vmark tiptap-editor

Tiptap Editor API Patterns

Overview

This skill documents proper Tiptap API usage patterns for vmark development. It helps distinguish when to use Tiptap's high-level API vs direct ProseMirror access.

When to Use Tiptap API

Always prefer Tiptap API for:
  • Format commands (bold, italic, underline, etc.)
  • Block type changes (heading, paragraph, code block)
  • List operations (bullet, ordered, toggle, indent/outdent)
  • Table operations via Tiptap table extension
  • Content insertion and replacement
  • Editor state queries (
    isActive
    ,
    getAttributes
    )
Tiptap patterns to use:
typescript
// Direct commands
editor.commands.toggleBold()
editor.commands.setHeading({ level: 2 })
editor.commands.setContent(doc, { emitUpdate: false })

// Chained commands (for multiple operations)
editor.chain().focus().setHeading({ level: 2 }).run()
editor.chain().focus().toggleMark("underline").run()

// State queries
editor.isActive("blockquote")
editor.isActive("heading", { level: 2 })
editor.getAttributes("link")

When Direct ProseMirror is Appropriate

Use ProseMirror directly for:
  • Markdown conversion layer (
    proseMirrorToMdast.ts
    ,
    mdastToProseMirror.ts
    )
  • Multi-cursor/selection subclassing (
    MultiSelection.ts
    )
  • Custom node views
  • Low-level transaction manipulation
  • Schema-level operations

Known Issues in vmark

1. cursorHandlers.ts Block Boundary Issue

src/hooks/mcpBridge/cursorHandlers.ts
uses
doc.textContent
which flattens the document and loses block boundaries. The correct approach is to use
$pos
helpers:
typescript
// WRONG - loses block structure
const text = doc.textContent;

// RIGHT - respects block boundaries
const $pos = doc.resolve(from);
const currentNode = $pos.parent;
const blockStart = $pos.before($pos.depth);
const blockEnd = $pos.after($pos.depth);

2. Cursor Sync Drift After WYSIWYG Edits

sourceLine
attributes are only set on initial parse. After WYSIWYG edits that add/remove blocks, line numbers no longer match the source. This is a known limitation.

3. HtmlNodeView.ts Store Issue

src/plugins/markdownArtifacts/HtmlNodeView.ts
writes cursor info to wrong store.

References

  • references/patterns.md
    - Detailed API patterns and $pos usage
  • references/examples.md
    - Real code examples from vmark codebase

Workflow

  1. Identify operation type (format, block, selection, traversal)
  2. Check if Tiptap has a built-in command for it
  3. Use
    editor.commands.xxx()
    for single operations
  4. Use
    editor.chain().focus().xxx().run()
    when focus is needed or chaining
  5. For node traversal, use
    doc.resolve(pos)
    to get
    $pos
    helpers
  6. For state queries, use
    editor.isActive()
    or
    editor.getAttributes()