13.0.0

Change

• 67ef76c Update @types/hast, @types/mdast, utilities
  migrate: update too
• b815f5e Change to require Node.js 16
  migrate: update too
• 33442cc Change to use exports
  migrate: don’t use private APIs
• 56c88e4 Fix to match GH for HTML generated for backreferences
  migrate: use the function form of footnoteBackLabel for i18n, see defaultFootnoteBackLabel for inspiration
• ffe7e47 Change to always return a node
  migrate: expect an empty root instead of nothing
• ffbb8a8 Change to expect, yield undefined
  migrate: expect undefined everywhere, not null
• c13fe7f Change to remove support for Footnote nodes
  migrate: use GFM, which does not have “inline” notes
• 6fc783a Change to remove support for ancient lang on code with spaces
  migrate: you’re fine, this hasn’t been a thing for years
• 72b8a68 Change to use maps for definitions on state
  migrate: if you make your own handles, expect maps
• b328aa9 Change to remove function form of State, use plain object
  migrate: if you make your own handles, create nodes yourself, use state.applyData if needed
• 40e1d29 Change to remove all, one helpers
  migrate: if you make your own handles, use state.all, state.one
• 1894044 Change to remove H type
  migrate: use State
• e804231 Change to remove complex-types.d.ts
  migrate: use main module
• 4df5d41 Change to deep clone passed through nodes
  migrate: should be fine

Types

• 52905eb Add smarter types for passThrough
  migrate: type your mdast/hast nodes by extending the content interfaces
• 6f555a0 Add supported data fields to Data of mdast
  migrate: pass correct values in node.data

Fix

• 3e300ea Fix to keep content around for hName on text

Full Changelog: 12.3.0...13.0.0