150 lines
3.6 KiB
Markdown
150 lines
3.6 KiB
Markdown
# chronos
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A Typst package to draw sequence diagrams with CeTZ
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---
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This package lets you render sequence diagrams directly in Typst. The following boilerplate code creates an empty sequence diagram with two participants:
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<table>
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<tr>
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<td><strong>Typst</strong></td>
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<td><strong>Result</strong></td>
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</tr>
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<tr>
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<td>
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```typst
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#import "@preview/chronos:0.2.2"
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#chronos.diagram({
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import chronos: *
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_par("Alice")
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_par("Bob")
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})
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```
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</td>
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<td><img src="./gallery/readme/boilerplate.png"></td>
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</tr>
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</table>
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> *Disclaimer*\
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> The package cannot parse PlantUML syntax for the moment, and thus requires the use of element functions, as shown in the examples.
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> A PlantUML parser is in the TODO list, just not the top priority
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## Basic sequences
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You can make basic sequences using the `_seq` function:
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<table>
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<tr>
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<td><strong>Typst</strong></td>
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<td><strong>Result</strong></td>
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</tr>
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<tr>
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<td>
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```typst
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#chronos.diagram({
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import chronos: *
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_par("Alice")
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_par("Bob")
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_seq("Alice", "Bob", comment: "Hello")
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_seq("Bob", "Bob", comment: "Think")
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_seq("Bob", "Alice", comment: "Hi")
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})
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```
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</td>
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<td><img src="./gallery/readme/simple_sequence.png"></td>
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</tr>
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</table>
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You can make lifelines using the following parameters of the `_seq` function:
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- `enable-dst`: enables the destination lifeline
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- `create-dst`: creates the destination lifeline and participant
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- `disable-dst`: disables the destination lifeline
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- `destroy-dst`: destroys the destination lifeline and participant
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- `disable-src`: disables the source lifeline
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- `destroy-src`: destroy the source lifeline and participant
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<table>
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<tr>
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<td><strong>Typst</strong></td>
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<td><strong>Result</strong></td>
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</tr>
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<tr>
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<td>
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```typst
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#chronos.diagram({
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import chronos: *
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_par("A", display-name: "Alice")
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_par("B", display-name: "Bob")
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_par("C", display-name: "Charlie")
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_par("D", display-name: "Derek")
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_seq("A", "B", comment: "hello", enable-dst: true)
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_seq("B", "B", comment: "self call", enable-dst: true)
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_seq("C", "B", comment: "hello from thread 2", enable-dst: true, lifeline-style: (fill: rgb("#005500")))
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_seq("B", "D", comment: "create", create-dst: true)
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_seq("B", "C", comment: "done in thread 2", disable-src: true, dashed: true)
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_seq("B", "B", comment: "rc", disable-src: true, dashed: true)
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_seq("B", "D", comment: "delete", destroy-dst: true)
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_seq("B", "A", comment: "success", disable-src: true, dashed: true)
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})
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```
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</td>
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<td><img src="./gallery/readme/lifelines.png"></td>
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</tr>
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</table>
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## Showcase
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Several features have already been implemented in Chronos. Don't hesitate to checkout the examples in the [gallery](./gallery) folder to see what you can do.
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#### Quick example reference:
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<table>
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<tr>
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<td><strong>Example</strong></td>
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<td><strong>Features</strong></td>
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</tr>
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<tr>
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<td>
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`example1` <br>([PDF](./gallery/example1.pdf)|[Typst](./gallery/example1.typ))
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</td>
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<td>Simple cases, color sequences, groups, separators, gaps, self-sequences</td>
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</tr>
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<tr>
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<td>
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`example2` <br>([PDF](./gallery/example2.pdf)|[Typst](./gallery/example2.typ))
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</td>
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<td>Lifelines, found/lost messages, synchronized sequences, slanted sequences</td>
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</tr>
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<tr>
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<td>
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`example3` <br>([PDF](./gallery/example3.pdf)|[Typst](./gallery/example3.typ))
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</td>
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<td>Participant shapes, sequence tips, hidden partipicant ends</td>
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</tr>
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<tr>
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<td>
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`notes` <br>([PDF](./gallery/notes.pdf)|[Typst](./gallery/notes.typ))
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</td>
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<td>Notes (duh), deferred participant creation</td>
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</tr>
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</table>
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> [!NOTE]
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>
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> Many examples were taken/adapted from the PlantUML [documentation](https://plantuml.com/sequence-diagram) on sequence diagrams |