unified

Content as structured data

We compile content to syntax trees and syntax trees to content.
We also provide hundreds of packages to work on the trees in between.
You can build on the unified collective to make all kinds of interesting things.

Learn

We provide the interface: for parsing, inspecting, transforming, and serializing content. You work on structured data. Learn how to plug building blocks together, write your own, and make things with unified.

  1. Intro to unified

    Guide that summarizes the what and why of unified

    1. guide
    2. introduction
    3. welcome
    1. Merlijn Vos

  2. Use unified

    Guide that delves into transforming markdown to HTML

    1. guide
    2. rehype
    3. remark
    4. transform
    5. use
    1. Titus Wormer

  3. Tree traversal

    How to do tree traversal (also known as walking or visiting a tree)

    1. recipe
    2. traverse
    3. tree
    4. unist
    5. visit
    6. walk
    1. Titus Wormer

  4. Find a node

    How to find a node in any unist syntax tree

    1. recipe
    2. find
    3. node
    4. traverse
    5. tree
    6. walk
    1. Merlijn Vos

  5. Support tables in remark

    How to support GitHub-style tables in remark (or react-markdown)

    1. recipe
    2. gfm
    3. github
    4. plugin
    5. remark
    6. table
    1. Titus Wormer

  6. See 15 other articles

Sponsor

To support our efforts financially, sponsor us on GitHub, thanks.dev, or OpenCollective. This lets us spend more time maintaining our projects and developing new ones.

  1. Vercel

    Develop. Preview. Ship. – Creators of nextjs.org

    3. vercel.com

  2. GatsbyJS

    2. gatsbyjs.com

  3. Motif

    When content meets code, magic happens ✨

    2. motif.land

  4. HashiCorp

    3. hashicorp.com

  5. GitBook

    3. gitbook.com

  6. See 99 other sponsors

Explore

The ever growing ecosystem that the unified collective provides today consists of 312 open source projects, with a combined 71k stars on GitHub. In comparison, the code that the collective maintains is about 105 Moby Dicks or 42 Linuxes. In the last 30 days, the 478 packages maintained in those projects were downloaded 15b times from npm. Much of this is maintained by our teams, yet others are provided by the community.

  1. react-markdown

    React component to render markdown
    1. 84%
    3. 199m

  2. micromark-util-combine-extensions

    micromark utility to combine syntax or html extensions
    1. 79%
    3. 312m

  3. rehype-stringify

    rehype plugin to serialize HTML
    1. 75%
    3. 44m

  4. remark-squeeze-paragraphs

    remark plugin to remove empty paragraphs
    1. 79%
    3. 2.8m

  5. remark-parse

    remark plugin to add support for parsing markdown input
    1. 88%
    3. 290m

  6. See 478 packages and 312 projects

Build

We provide the building blocks: from tiny, focussed, modular utilities to plugins that combine them to perform bigger tasks. And much, much more. You can build on unified, mixing and matching building blocks together, to make all kinds of interesting new things.

  1. Prettier

    Uses unified to format markdown

    2. prettier.io

  2. Gatsby

    Uses unified to pull content into GraphQL

    2. gatsbyjs.org

  3. Write Music

    Uses unified to visualize sentence length

    2. wooorm.com/write-music

  4. Node.js

    Uses unified to check and build their docs

    2. nodejs.org

  5. alex

    Uses unified to catch insensitive, inconsiderate writing

    2. alexjs.com

  6. See 21 other cases

Work

Maintaining the collective, developing new projects, keeping everything fast and secure, and helping users, is a lot of work. In total, we’ve closed 5.1k issues/PRs while 186 are currently open (3%). In the last 30 days, we’ve cut 34 new releases.

  1. syntax-tree/hast-util-to-mdast@10.1.3·

    Fix

    • a424844 Fix to collapse whitespace in alt, title
    • f20e1fc Fix size and selectedness of select
    • f726289 Fix support of start: 0 on ol
    • fff0c84 Fix whitespace in input, textarea

    Full Changelog: https://github.com/syntax-tree/hast-util-to-mdast/compare/10.1.2...10.1.3

  2. syntax-tree/mdast-util-to-hast@13.2.2·

    Fix

    • 398f280 Fix backreferences in later footnote definitions

    Full Changelog: https://github.com/syntax-tree/mdast-util-to-hast/compare/13.2.1...13.2.2

  3. syntax-tree/mdast-util-toc@7.2.0·

    Fix

    • b05a599 Fix to match GitHub slugs for footnotes and HTML

    Full Changelog: https://github.com/syntax-tree/mdast-util-toc/compare/7.1.0...7.2.0

  4. Explore recent releases