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 309 open source projects, with a combined 71k stars on GitHub. In comparison, the code that the collective maintains is about 106 Moby Dicks or 42 Linuxes. In the last 30 days, the 475 packages maintained in those projects were downloaded 11b times from npm. Much of this is maintained by our teams, yet others are provided by the community.

  1. retext

    natural language processor powered by plugins part of the unified collective
    1. 73%
    3. 18m

  2. react-markdown

    React component to render markdown
    1. 84%
    3. 138m

  3. mdast-util-to-string

    mdast utility to get the plain text content of a node
    1. 82%
    3. 235m

  4. unist-util-remove-position

    unist utility to remove positions from a tree
    1. 81%
    3. 65m

  5. unist-util-is

    unist utility to check if a node passes a test
    1. 83%
    3. 259m

  6. See 475 packages and 309 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 188 are currently open (4%). In the last 30 days, we’ve cut 7 new releases.

  1. syntax-tree/hast-util-to-text@4.0.3·

    Fix

    • 444e34b Fix typo where form did not match
    • 21ad138 Fix to ignore white space between table parts
    • e77d913 Fix handling of line feed between rows

    Types

    Performance

    • f41d76a Refactor to improve performance by inlining checks
    • 246e991 Refactor to improve performance for sibling iteration
    • 12615f2 Refactor to improve performance for many things

    Full Changelog: https://github.com/syntax-tree/hast-util-to-text/compare/4.0.2...4.0.3

  2. syntax-tree/hast-util-find-and-replace@5.0.3·

    • 67b3d17 Refactor to improve performance

    Full Changelog: https://github.com/syntax-tree/hast-util-find-and-replace/compare/5.0.2...5.0.3

  3. syntax-tree/unist-util-visit@5.2.0·

    Add

    • c1ed449 Add support for exit visitors

    Performance

    • f57c39f Fix performance around indexOf

    Full Changelog: https://github.com/syntax-tree/unist-util-visit/compare/5.1.0...5.2.0

  4. Explore recent releases