syntax-tree

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Overview
Repositories
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readme.md

syntax-tree is an organization that contains 100+ projects that deal with syntax trees based on unist. These trees typically deal with content: markdown (mdast), HTML (hast), natural language (nlcst), XML (xast), but also JavaScript (esast).

to learn unist, see its readme
you can use syntax trees without having to deal with them, by using unified and its plugins

unified

syntax-tree is part of the unified collective, which brings together organisations that work with content as structured data.

for more about us, see unifiedjs.com
for how the collective is governed, see unifiedjs/collective

Get involved

This community has a code of conduct. You must follow it when interacting with the community.

for questions, see support.md
to help, see contributing.md
to sponsor, see GitHub sponsors, thanks.dev, or OpenCollective

Pinned Loading

unist unist Public

Universal Syntax Tree used by @unifiedjs

1k 28
mdast mdast Public

Markdown Abstract Syntax Tree format

1.5k 49
hast hast Public

Hypertext Abstract Syntax Tree format

905 28
nlcst nlcst Public

Natural Language Concrete Syntax Tree format

233 11
xast xast Public

Extensible Abstract Syntax Tree

93 3
esast esast Public

ECMAScript Abstract Syntax Tree format

58 2

Repositories

Type Language Sort

estree-util-scope Public
Check what’s defined in an estree scope

syntax-tree/estree-util-scope's past year of commit activity

JavaScript 10 MIT 0 0 1 Updated Aug 15, 2026
unist-util-select Public
utility to select unist nodes with CSS-like selectors

syntax-tree/unist-util-select's past year of commit activity

JavaScript 70 MIT 12 0 1 Updated Jun 9, 2026
hast-util-to-dom Public
utility to transform hast to a DOM tree

syntax-tree/hast-util-to-dom's past year of commit activity

JavaScript 21 ISC 7 0 1 Updated Jun 9, 2026
mdast-util-gfm-table Public
mdast extension to parse and serialize GFM tables

syntax-tree/mdast-util-gfm-table's past year of commit activity

JavaScript 15 MIT 11 1 0 Updated Jun 3, 2026
mdast-util-gfm-footnote Public
mdast extension to parse and serialize GFM footnotes

syntax-tree/mdast-util-gfm-footnote's past year of commit activity

JavaScript 5 MIT 1 0 0 Updated Jun 3, 2026
mdast-util-gfm-strikethrough Public
mdast extension to parse and serialize GFM strikethrough

syntax-tree/mdast-util-gfm-strikethrough's past year of commit activity

JavaScript 5 MIT 4 1 0 Updated Jun 3, 2026
mdast-util-gfm-autolink-literal Public
mdast extension to parse and serialize GFM autolink literals

syntax-tree/mdast-util-gfm-autolink-literal's past year of commit activity

JavaScript 16 MIT 20 2 1 Updated Jun 3, 2026
mdast-util-from-markdown Public
mdast utility to parse markdown

syntax-tree/mdast-util-from-markdown's past year of commit activity

JavaScript 289 MIT 24 2 2 Updated Jun 3, 2026
unist Public
Universal Syntax Tree used by @unifiedjs

syntax-tree/unist's past year of commit activity

1,010 28 0 0 Updated Jun 1, 2026
mdast-util-to-markdown Public
mdast utility to serialize markdown

syntax-tree/mdast-util-to-markdown's past year of commit activity

JavaScript 140 MIT 28 4 4 Updated Apr 24, 2026