feat: generate sequence diagrams from code blocks (#35)

Close #35

1 files changed, 95 insertions, 0 deletions

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+---
+title: "JS Sequence Diagrams"
+date: 2015-03-04T21:57:45+08:00
+draft: false
+
+sequenceDiagrams: 
+  enable: true
+  options: "{theme: 'hand'}"
+---
+
+## Usage
+
+```sequence
+Andrew->China: Says Hello
+Note right of China: China thinks\nabout it
+China-->Andrew: How are you?
+Andrew->>China: I am good thanks!
+```
+
+<!--more-->
+
+    ```sequence
+    Andrew->China: Says Hello
+    Note right of China: China thinks\nabout it
+    China-->Andrew: How are you?
+    Andrew->>China: I am good thanks!
+    ```
+
+## Configuration
+
+Configure for all home and regular pages:
+
+```toml
+[params.sequenceDiagrams]
+  enable = true
+  options = "{theme: 'hand'}"
+```
+
+Configure for a single post in the front matter (**Params in front matter have higher precedence**):
+
+```yml
+sequenceDiagrams: 
+  enable: true
+  options: "{theme: 'hand'}"
+```
+
+### Options
+
+```js
+options = {
+  // Change the styling of the diagram, typically one of 'simple', 'hand'. New themes can be registered with registerTheme(...).
+  theme: string,
+
+  // CSS style to apply to the diagram's svg tag. (Only supported if using snap.svg)
+  css_class: string,
+}
+```
+
+See more information from https://github.com/bramp/js-sequence-diagrams.
+
+## Examples
+
+```sequence
+Title: Here is a title
+A->B: Normal line
+B-->C: Dashed line
+C->>D: Open arrow
+D-->>A: Dashed open arrow
+```
+
+    ```sequence
+    Title: Here is a title
+    A->B: Normal line
+    B-->C: Dashed line
+    C->>D: Open arrow
+    D-->>A: Dashed open arrow
+    ```
+
+---
+
+```sequence
+# Example of a comment.
+Note left of A: Note to the\n left of A
+Note right of A: Note to the\n right of A
+Note over A: Note over A
+Note over A,B: Note over both A and B
+```
+
+    ```sequence
+    # Example of a comment.
+    Note left of A: Note to the\n left of A
+    Note right of A: Note to the\n right of A
+    Note over A: Note over A
+    Note over A,B: Note over both A and B
+    ```