jekyll-kroki-tag

jekyll-kroki-tag

text-to-diagram power to Jekyll with kroki.io

#jekyll#kroki#rubygems#ruby
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Jekyll::KrokiTag

A plugin that add feature `text to diagram` to Jekyll using kroki.io hosting. To experiment with that code, run bin/console for an interactive prompt.

irb(main)> Liquid::Template.register_tag('kroki', Jekyll::KrokiTag::Block)
irb(main)> t = Liquid::Template.parse('{% kroki type: "plantuml" %}actor User{% endkroki %}'
irb(main)> puts t.render

result

  <figure class="jekyll-kroki" data-kroki-type="plantuml" data-kroki-format="svg">
    <img src="https://kroki.io/plantuml/svg/eJxLTC7JL1IILU4tAgAVLQPZ" alt="">

  </figure>

Installation

Install the gem and add to the application's Gemfile by executing:

$ bundle add jekyll-kroki-tag

If bundler is not being used to manage dependencies, install the gem by executing:

$ gem install jekyll-kroki-tag

Usage

Add to config.

plugins:
  - jekyll-kroki-tag

Write your content.

{% kroki type: 'plantuml' %}
actor User
usecase "Write great code" as case
User -> case
{% endkroki %}

A Converted HTML as below.

<figure class="jekyll-kroki" data-kroki-type="plantuml" data-kroki-format="svg">
  <img src="https://kroki.io/plantuml/svg/eJzjSkwuyS9SCC1OLeIqLU5NTixOVVAKL8osSVVIL0pNLFFIzk9JVVJILFYASXGB1Cno2kE4AHFnE90%3D" alt="">
</figure>

Now you don't need to convert every test-diagram image into real image file and store it and write its path in Markdown or HTML flle.

Supported attribute

  • type ( required. PlantUML, Graphviz, Mermaid, ... )
  • format ( PNG, SVG, and more. default is svg )
  • alt
  • caption

Development

After checking out the repo, run bin/setup to install dependencies. Then, run rake test to run the tests. You can also run bin/console for an interactive prompt that will allow you to experiment.

To install this gem onto your local machine, run bundle exec rake install. To release a new version, update the version number in version.rb, and then run bundle exec rake release, which will create a git tag for the version, push git commits and the created tag, and push the .gem file to rubygems.org.

Contributing

Bug reports and pull requests are welcome on GitHub at https://github.com/wtnabe/jekyll-kroki-tag.

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