2017-11-22 03:12:04 +00:00
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module Banzai
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module Filter
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class MermaidFilter < HTML::Pipeline::Filter
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def call
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2017-12-20 13:48:09 +00:00
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doc.css('pre[lang="mermaid"] > code').add_class('js-render-mermaid')
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2017-11-22 03:12:04 +00:00
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doc
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end
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end
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end
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end
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