d3/d3-hierarchy

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2D layout algorithms for visualizing hierarchical data.

Is d3/d3-hierarchy beginner-friendly?

We have not seen enough recent pull requests from outside contributors to d3/d3-hierarchy to say how often they are merged. No beginner-friendly issue is open right now; the list below has the other issues we hold for it.

Stars
1.3k
Forks
316
Open beginner issues
0
Indexed issues
18
Avg merge
6h 6m
Merged PRs (30d)
1
Dominant language
JavaScript
License
ISC
Last GitHub push
Nov 3, 2026
Latest indexed
Nov 8, 2026
No contributing guide
No code of conduct
Beginner labels
No beginner labels indexed

How to contribute to d3/d3-hierarchy

  1. There is no contributing guide, so start from the README and a few recently merged pull requests to see how changes are proposed.
  2. Your contributions will be published under the project's ISC license.
  3. Follow the repository to hear when a new beginner-friendly issue opens, or look through the other issues below.
Beginner friendly Everything
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Issues somebody may already be working on are listed last. List everything by date

  • The nested treemap example at observable does not work as intended for some data and configuration
    Open
    • Is something wrong?

    Difficulty 2/5 1-3 hours Newbie friendliness 48/100

    d3/d3-hierarchy#219 ·

  • Circle packing performance when there are a lot of nodes at the same level
    Open
    • Is something wrong?

    Difficulty 4/5 3-5 days Newbie friendliness 35/100

    d3/d3-hierarchy#214 · 1 comment ·

  • why non-negative for node.sum
    Open
    • Is something wrong?

    Difficulty 4/5 3-5 days Newbie friendliness 35/100

    d3/d3-hierarchy#199 ·

  • Inner and outer padding for partition layout
    Open
    • Is something wrong?

    Difficulty 3/5 1-2 days Newbie friendliness 42/100

    d3/d3-hierarchy#196 ·

  • document d3.Node
    Open
    • Is something wrong?
    documentation

    Difficulty 1/5 Under an hour Newbie friendliness 45/100

    d3/d3-hierarchy#182 ·

  • d3 partition: ability to choose different "value" size variable
    Open
    • Is something wrong?

    Difficulty 4/5 3-5 days Newbie friendliness 45/100

    d3/d3-hierarchy#180 ·

  • New nodesAtDepth(depth) function
    Open
    • Is something wrong?

    Difficulty 2/5 1-3 hours Newbie friendliness 35/100

    d3/d3-hierarchy#178 · 3 comments · 1 reaction ·

  • node.sum/count for non-numeric data
    Open
    • Is something wrong?

    Difficulty 5/5 Over a week Newbie friendliness 25/100

    d3/d3-hierarchy#176 ·

  • Undesirable padding behaviour with disparately sized children
    Open
    • Is something wrong?

    Difficulty 4/5 3-5 days Newbie friendliness 35/100

    d3/d3-hierarchy#175 · 3 comments · 6 reactions ·

  • tree layout: Support transparent intermediary nodes to keep the tree tidy
    Open
    • Is something wrong?

    Difficulty 5/5 Over a week Newbie friendliness 25/100

    d3/d3-hierarchy#174 · 3 comments ·

  • partition.padding should accept a function?
    Open
    • Is something wrong?

    Difficulty 4/5 3-5 days Newbie friendliness 35/100

    d3/d3-hierarchy#123 · 1 comment · 3 reactions ·

  • Hierarchy layouts should allow non-root nodes as input?
    May be free again Open
    • Is something wrong?

    Difficulty 3/5 1-2 days Newbie friendliness 35/100

    d3/d3-hierarchy#91 · 5 comments ·

  • Layouts should have extents.
    May be free again Open
    • Is something wrong?

    d3/d3-hierarchy#64 · 2 reactions · 1 assignee ·

  • Layouts should have orientations.
    May be free again Open
    • Is something wrong?

    d3/d3-hierarchy#63 · 4 comments · 14 reactions · 1 assignee ·

  • Layouts should not mutate data.
    May be free again Open
    • Is something wrong?

    d3/d3-hierarchy#62 · 1 comment · 11 reactions · 1 assignee ·

  • node.copy drops node.id.
    Open
    • Is something wrong?

    Difficulty 2/5 1-3 hours Newbie friendliness 35/100

    d3/d3-hierarchy#61 · 2 comments · 1 reaction ·

  • Generalize stable treemaps.
    Open
    • Is something wrong?

    Difficulty 5/5 Over a week Newbie friendliness 25/100

    d3/d3-hierarchy#36 ·

  • Stratify nodes that are both a leaf (with value) and a parent
    Possibly taken Open
    • Is something wrong?

    Difficulty 4/5 3-5 days Newbie friendliness 25/100

    d3/d3-hierarchy#206 · 1 reaction ·

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