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

    4. vercel.com

  2. GatsbyJS

    3. gatsbyjs.com

  3. Motif

    When content meets code, magic happens ✨

    3. motif.land

  4. HashiCorp

    4. hashicorp.com

  5. GitBook

    4. gitbook.com

  6. See 85 other sponsors

Explore

The ever growing ecosystem that the unified collective provides today consists of 355 open source projects, with a combined 64k stars on GitHub. In comparison, the code that the collective maintains is about 103 Moby Dicks or 41 Linuxes. In the last 30 days, the 532 packages maintained in those projects were downloaded 2.1b times from npm. Much of this is maintained by our teams, yet others are provided by the community.

  1. hast-util-parse-selector

    hast utility to create an element from a simple CSS selector
    1. 81%
    3. 23m
    4. 345 B

  2. micromark-util-character

    micromark utility to handle character codes
    1. 79%
    3. 37m
    4. 453 B

  3. mdast-util-to-string

    mdast utility to get the plain text content of a node
    1. 82%
    3. 53m
    4. 369 B

  4. remark-mdx

    remark plugin to support MDX syntax
    1. 90%
    3. 13m
    4. 58.6 kB

  5. @mdx-js/loader

    Webpack loader for MDX
    1. 88%
    3. 2.6m

  6. See 532 packages and 355 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 5k issues/PRs while 122 are currently open (2%). In the last 30 days, we’ve cut 11 new releases.

  1. syntax-tree/mdast-util-to-markdown@2.1.2·

    • b0a91ea Fix crash in more complex content around attention

    Full Changelog: https://github.com/syntax-tree/mdast-util-to-markdown/compare/2.1.1...2.1.2

  2. aloisklink/remark-mermaid-dataurl@3.0.1·

    What's changed

    Fixed

    • Support svgdom 0.1.17 or later (see 79a0d18)

    Full Changelog: https://github.com/aloisklink/remark-mermaid-dataurl/compare/v3.0.0...v3.0.1

  3. remarkjs/remark-validate-links@13.0.2·

    Fix

    • 4791865 Fix support for absolute paths on GitHub

    Types

    Full Changelog: https://github.com/remarkjs/remark-validate-links/compare/13.0.1...13.0.2

  4. Explore recent releases