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feat(layout-elk): ELK layout package, with audit fixes and API alignment - #3545

Merged

kumilingus merged 113 commits into

clientIO:masterfrom

kumilingus:fix/layout-elk-audit

Oct 13, 2026

Merged

feat(layout-elk): ELK layout package, with audit fixes and API alignment#3545
kumilingus merged 113 commits into
clientIO:masterfrom
kumilingus:fix/layout-elk-audit

Commits on Oct 12, 2026
- start
  
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  ffc0fc9
- feat(joint-layout-elk): support hierarchical containers, ports and per-port ELK options
  
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- example(layout-elk): add containers, ports and width-restriction demo
  
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- docs(changeset): add 'new package' changeset for @joint/layout-elk
  
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- up
  
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- port and portLabels wip
  
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- full types wip
  
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- estimate port label size
  
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- refactor
  
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- interactive wip
  
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- refactor to function
  
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- wip refactor
  
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- fix
  
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- update
  
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- fixes
  
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- fixes
  
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- clean up
  
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- port label fix
  
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- update
  
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- updates
  
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  13e48ff
- link label attributes refactor
  
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- update
  
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- update
  
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- update
  
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- up
  
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- wip
  
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- update API
  
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- ports core revert
  
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- restyle
  
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- reordering example wip
  
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- comment fixes
  
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- tests fix
  
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- to exportLink
  
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- cleaning comments and README
  
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- renaming options
  
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- default behaviour example
  
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- update
  
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- up
  
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- fixes
  
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- fixes and updates
  
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- updates
  
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- worker update
  
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- optional graph
  
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- fix
  
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  5e78e78
- fix(layout-elk): apply laid out link labels by id, not by position in the ELK result
  
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- fix(layout-elk): export elements with ports with FIXED_POS port constraints by default
  
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- fix(layout-elk): close the layout batch when an import callback throws
  
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  e182135
- feat(layout-elk): add `signal` option to abort a layout
  
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  66c29d3
- perf(layout-elk): load main-thread ELK only when a layout runs on the main thread
  
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- fix(layout-elk): fall back to the main thread only when the worker fails to load
  
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- feat(layout-elk): warn once when ELK falls back to the main thread
  
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- feat(layout-elk): add `thread` option to choose where the default ELK instance runs
  
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  752d465
- chore(layout-elk): set version to 4.3.0
  
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  cabcbda
- fix(examples): fix ELK examples
  
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  6006a52
- feat(layout-elk)!: run ELK on the main thread by default, add createWorkerElk()
  
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- fix(examples): run ELK in a Web Worker with createWorkerElk()
  
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- comments fixes
  
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- cleaning examples
  
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- fix(layout-elk): track the layouts actually posted to the ELK worker
  
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- fix(layout-elk): drop a port label when exportPortLabel returns false
  
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- fix(layout-elk): reject an aborted layout with a `null` abort reason as it is
  
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  cd4a52b
- fix(dia.Element): type portProp(portId) and portProp(portId, object, opt), and PortLabelPositionType
  
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- chore: add @joint/layout-elk and its examples to yarn.lock
  
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- fix(layout-elk): read resolved link labels through the protected getComputedLabels()
  
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- up
  
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- fix(layout-elk): keep ELK ids unique, and lay out a container without exported embeds as a leaf
  
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- fix(examples): drop the containers-ports example's stale link label `inline` override
  
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- docs(layout-elk): document loading elkjs before the UMD build
  
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- fix(layout-elk): correct link end handling, label positions and failure recovery
  
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- fix(layout-elk): build the layout hierarchy from `parent()`, not from the graph
  
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- refactor(layout-elk)!: drop the `batchName` option
  
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  b773a55
- refactor(layout-elk)!: take a graph or a list of cells, like the other layouts
  
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  8cccdf3
- fix(layout-elk): batch on the graph that was passed, and document what a list leaves out
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  d8ceef5
- fix(layout-elk): lay out a cell listed more than once only once
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  fc45e37
- docs(layout-elk): bring the API docs in line with the new signature
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- fix(layout-elk)!: leave a link out of the layout when `exportPort` dropped its port
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- fix(layout-elk): reject two cells that share one ELK id
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  57a3ffa
- feat(layout-elk): warn that element rotation is not taken into account
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  c5b1cce
- fix(layout-elk): anchor a link end on the point ELK routed to, on a rotated element too
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  50faa26
- refactor(layout-elk): shorten the rotated element warning
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  00af896
- fix(layout-elk): three fixes from a second audit of the package
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  a186d59
- fix(layout-elk): give every node the element's own size
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- fix(layout-elk): measure a link end's anchor from the position ELK computed
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  f6b365f
- fix(layout-elk): hand the signal to any `WorkerElk`, not only to our own class
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  e210964
- test(layout-elk): pin down where a port lands when `exportElement` resizes its node
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- fix(layout-elk): let `exportElement` size a node around its labels
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  dfb81bb
- fix(layout-elk): keep a port id as it came, and reject two ports sharing one ELK id
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- fix(layout-elk): key the layout hierarchy by the cell id, not by a string of it
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  ec30e48
- refactor(layout-elk): type a port id as `dia.Cell.ID`, and fail the build when core widens
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  53a590e
- feat(layout-elk): tell `setPortAttributes` whether the port moved
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- fix(layout-elk): skip a port removed while the layout was running
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- fix(layout-elk): keep a port the layout did not move where it is
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- fix(layout-elk): apply the size ELK computed whenever it changed it
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  221ce6f
- refactor(examples): animate the rectpacking layout with CSS transitions
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  247ab3a
- fix(layout-elk): compare a node's new size against the element's, not against the sent one
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  82b6732
- test(layout-elk): cover the size a node is laid out at
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  b51b990
- fix(layout-elk): send a container to ELK without a size of its own again
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  cdba96f
- fix(layout-elk): return the bounding box of everything ELK laid out
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  2282a3f
- test(layout-elk): cover an edge label in the bounding box
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  1ceeb6a
- fix(layout-elk): record a port's top-left as `exportPort` left it
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  ef75684
- fix(layout-elk): type a port id handed to an export callback as `dia.Cell.ID`
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  8ff6e8c
- refactor(examples): build the ELK demos with vite instead of webpack
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  a1cf436
- docs(examples): correct how the rectpacking demo applies ELK sizes
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  aa6b138
- refactor(layout-elk)!: name a callback's parameter type `...CallbackParams`
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  342a626
- refactor(examples): name the ELK demos after what they show
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  29f6669
- chore(layout-elk): drop the `@ts-expect-error` directives for port ids
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  96f3406

Commits

Commits on Oct 12, 2026