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fix: Allow hollow markers on edges #4788

Merged
merged 7 commits into from Sep 5, 2023
Merged

fix: Allow hollow markers on edges #4788

merged 7 commits into from Sep 5, 2023

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sidharthv96
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@sidharthv96 sidharthv96 commented Aug 29, 2023

📑 Summary

Moves the arrow markers on the line so that the line doesn't pass through the marker. Allowing it to be transparent.

Resolves #3816
Resolves #1687

Based on the work done by @jgreywolf on #4582.

📏 Design Decisions

Currently, we shorten the line drawn by an offset, and move the marker to the end of the line, so that the line does not pass through the marker.

Shortening of the line is one part where some easier logic could be used.

image

📋 Tasks

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codecov bot commented Aug 29, 2023

Codecov Report

Merging #4788 (5b724b1) into develop (6e51f8f) will decrease coverage by 2.88%.
The diff coverage is 100.00%.

Additional details and impacted files

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@@             Coverage Diff             @@
##           develop    #4788      +/-   ##
===========================================
- Coverage    77.08%   74.20%   -2.88%     
===========================================
  Files          146      146              
  Lines        14573    14594      +21     
  Branches       592      592              
===========================================
- Hits         11233    10829     -404     
- Misses        3221     3631     +410     
- Partials       119      134      +15     
Flag Coverage Δ
e2e 80.03% <100.00%> (-3.93%) ⬇️
unit 45.55% <ø> (ø)

Flags with carried forward coverage won't be shown. Click here to find out more.

Files Changed Coverage Δ
packages/mermaid/src/diagrams/class/styles.js 100.00% <ø> (ø)
packages/mermaid/src/dagre-wrapper/edges.js 81.81% <100.00%> (-2.21%) ⬇️
packages/mermaid/src/dagre-wrapper/index.js 98.82% <100.00%> (ø)
packages/mermaid/src/dagre-wrapper/markers.js 100.00% <100.00%> (ø)
...ages/mermaid/src/dagre-wrapper/mermaid-graphlib.js 90.95% <100.00%> (ø)

... and 19 files with indirect coverage changes

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Wow! This solution definitely seems nicer than the workaround in #4582 (even if the math magic is a bit less maintainable). Amazing work getting all the math working!

I'll let @jgreywolf give a proper review of this PR, since the last time I touched class UML diagrams was years ago in high-school, so I'm really unfamiliar with it 😆

packages/mermaid/src/dagre-wrapper/markers.js Show resolved Hide resolved
packages/mermaid/src/dagre-wrapper/edges.js Show resolved Hide resolved
Co-authored-by: Alois Klink <alois@aloisklink.com>
@knsv knsv added this pull request to the merge queue Sep 5, 2023
Merged via the queue into develop with commit 3cf7649 Sep 5, 2023
26 checks passed
@jgreywolf jgreywolf mentioned this pull request Sep 8, 2023
4 tasks
@aloisklink aloisklink deleted the sidv/classEdgeMarkers branch September 9, 2023 17:53
@sidharthv96 sidharthv96 mentioned this pull request Sep 12, 2023
4 tasks
fuxingloh pushed a commit to fuxingloh/contented that referenced this pull request Oct 3, 2023
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This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [mermaid](https://togithub.com/mermaid-js/mermaid) | [`10.4.0` ->
`10.5.0`](https://renovatebot.com/diffs/npm/mermaid/10.4.0/10.5.0) |
[![age](https://developer.mend.io/api/mc/badges/age/npm/mermaid/10.5.0?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![adoption](https://developer.mend.io/api/mc/badges/adoption/npm/mermaid/10.5.0?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![passing](https://developer.mend.io/api/mc/badges/compatibility/npm/mermaid/10.4.0/10.5.0?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![confidence](https://developer.mend.io/api/mc/badges/confidence/npm/mermaid/10.4.0/10.5.0?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|

---

### Release Notes

<details>
<summary>mermaid-js/mermaid (mermaid)</summary>

###
[`v10.5.0`](https://togithub.com/mermaid-js/mermaid/releases/tag/v10.5.0):
10.5.0

[Compare
Source](https://togithub.com/mermaid-js/mermaid/compare/v10.4.0...v10.5.0)

#### What's Changed

##### Features

- feat(er): add entity name alias by
[@&#8203;tomperr](https://togithub.com/tomperr) in
[mermaid-js/mermaid#4758

##### Bugfixes

- Fix Twitter fontawesome class in flowchart.md by
[@&#8203;GingerNinjaNicko](https://togithub.com/GingerNinjaNicko) in
[mermaid-js/mermaid#4723
- fix(pie): align slices and legend orders by
[@&#8203;Yokozuna59](https://togithub.com/Yokozuna59) in
[mermaid-js/mermaid#4774
- Update class member handling by
[@&#8203;jgreywolf](https://togithub.com/jgreywolf) in
[mermaid-js/mermaid#4534
- fix(er): allow underscore as leading char by
[@&#8203;tomperr](https://togithub.com/tomperr) in
[mermaid-js/mermaid#4776
- Align arrows on sequence diagram by
[@&#8203;sidharthv96](https://togithub.com/sidharthv96) in
[mermaid-js/mermaid#4804
- fix: Allow hollow markers on edges by
[@&#8203;sidharthv96](https://togithub.com/sidharthv96) in
[mermaid-js/mermaid#4788
- fix: Fix for vulnerability making it possible to add javascript in
class names by [@&#8203;knsv](https://togithub.com/knsv)

##### Documentation

- Docs/2910 Remove n00b and fix some docs by
[@&#8203;nirname](https://togithub.com/nirname) in
[mermaid-js/mermaid#4767
- fix: typos by [@&#8203;omahs](https://togithub.com/omahs) in
[mermaid-js/mermaid#4801
- "CSS" instead of "css" in flowchart.md by
[@&#8203;jakeboone02](https://togithub.com/jakeboone02) in
[mermaid-js/mermaid#4797
- fix(docs): Correct repeated text in flowchart.md by
[@&#8203;andriy-koz](https://togithub.com/andriy-koz) in
[mermaid-js/mermaid#4810
- Update link to Discourse theme component by
[@&#8203;gschlager](https://togithub.com/gschlager) in
[mermaid-js/mermaid#4811
- New Mermaid Live Editor for Confluence Cloud by
[@&#8203;zhifeiyue](https://togithub.com/zhifeiyue) in
[mermaid-js/mermaid#4814
- Update classDiagram.md by
[@&#8203;jgreywolf](https://togithub.com/jgreywolf) in
[mermaid-js/mermaid#4781
- Support member definition to initialize class by
[@&#8203;sidharthv96](https://togithub.com/sidharthv96) in
[mermaid-js/mermaid#4786
- fix: Add support for `~test Array~string~` back in Class by
[@&#8203;sidharthv96](https://togithub.com/sidharthv96) in
[mermaid-js/mermaid#4805
- Added support for millisecond and second to gantt tickInterval by
[@&#8203;vertxxyz](https://togithub.com/vertxxyz) in
[mermaid-js/mermaid#4778
- Add directive support to all diagrams by preprocessing by
[@&#8203;sidharthv96](https://togithub.com/sidharthv96) in
[mermaid-js/mermaid#4759
- Update README.md by
[@&#8203;jgreywolf](https://togithub.com/jgreywolf) in
[mermaid-js/mermaid#4780

##### Chores

- chore(deps): update all minor dependencies (minor) by
[@&#8203;renovate](https://togithub.com/renovate) in
[mermaid-js/mermaid#4783
- chore(deps): update all patch dependencies (patch) by
[@&#8203;renovate](https://togithub.com/renovate) in
[mermaid-js/mermaid#4782
- chore(deps): update all patch dependencies (patch) by
[@&#8203;renovate](https://togithub.com/renovate) in
[mermaid-js/mermaid#4809
- chore: move `commonDb` into `diagrams/common/commonDb` by
[@&#8203;Yokozuna59](https://togithub.com/Yokozuna59) in
[mermaid-js/mermaid#4802
- Use utf8 encoding in Jupyter example by
[@&#8203;jonashaag](https://togithub.com/jonashaag) in
[mermaid-js/mermaid#4701
- Update flowchart.md by [@&#8203;Ogglas](https://togithub.com/Ogglas)
in
[mermaid-js/mermaid#4792
- Update flowchart.md by [@&#8203;dsblank](https://togithub.com/dsblank)
in
[mermaid-js/mermaid#4798
- Refactor `cypress/helpers/util.ts` by
[@&#8203;RohanHandore](https://togithub.com/RohanHandore) in
[mermaid-js/mermaid#4340
- refactor: Fix typings in utils.ts by
[@&#8203;sidharthv96](https://togithub.com/sidharthv96) in
[mermaid-js/mermaid#4826
- Support ClassDefs in external diagrams by
[@&#8203;sidharthv96](https://togithub.com/sidharthv96) in
[mermaid-js/mermaid#4819
- Fix: flowchartElk Arrow overlap by
[@&#8203;sidharthv96](https://togithub.com/sidharthv96) in
[mermaid-js/mermaid#4830
- Give markers unique id's per graph by
[@&#8203;chadfawcett](https://togithub.com/chadfawcett) in
[mermaid-js/mermaid#4825

#### New Contributors

- [@&#8203;GingerNinjaNicko](https://togithub.com/GingerNinjaNicko) made
their first contribution in
[mermaid-js/mermaid#4723
- [@&#8203;omahs](https://togithub.com/omahs) made their first
contribution in
[mermaid-js/mermaid#4801
- [@&#8203;jakeboone02](https://togithub.com/jakeboone02) made their
first contribution in
[mermaid-js/mermaid#4797
- [@&#8203;andriy-koz](https://togithub.com/andriy-koz) made their first
contribution in
[mermaid-js/mermaid#4810
- [@&#8203;gschlager](https://togithub.com/gschlager) made their first
contribution in
[mermaid-js/mermaid#4811
- [@&#8203;zhifeiyue](https://togithub.com/zhifeiyue) made their first
contribution in
[mermaid-js/mermaid#4814
- [@&#8203;vertxxyz](https://togithub.com/vertxxyz) made their first
contribution in
[mermaid-js/mermaid#4778
- [@&#8203;jonashaag](https://togithub.com/jonashaag) made their first
contribution in
[mermaid-js/mermaid#4701
- [@&#8203;Ogglas](https://togithub.com/Ogglas) made their first
contribution in
[mermaid-js/mermaid#4792
- [@&#8203;dsblank](https://togithub.com/dsblank) made their first
contribution in
[mermaid-js/mermaid#4798
- [@&#8203;RohanHandore](https://togithub.com/RohanHandore) made their
first contribution in
[mermaid-js/mermaid#4340
- [@&#8203;chadfawcett](https://togithub.com/chadfawcett) made their
first contribution in
[mermaid-js/mermaid#4825

**Full Changelog**:
mermaid-js/mermaid@v10.4.0...v10.5.0

</details>

---

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