Contents

# -*- coding: utf-8 -*-
#
#--
# Copyright (C) 2018 Gleb Mazovetskiy <[e-mail]>
#
# This file is part of kramdown which is licensed under the MIT.
#++

module Kramdown::Converter::MathEngine
  # Uses the KaTeX gem for converting math formulas to KaTeX HTML.
  module Katex
    AVAILABLE = begin
      require 'katex'
      true
    rescue LoadError
      false
    end

    def self.call(converter, el, opts)
      display_mode = el.options[:category] == :block
      result = ::Katex.render(
          el.value,
          display_mode: display_mode,
          throw_on_error: false,
          **converter.options[:math_engine_opts]
      )
      attr = el.attr.dup
      attr.delete('xmlns')
      attr.delete('display')
      result.insert(result =~ /[[:space:]>]/, converter.html_attributes(attr))
      result = "#{' ' * opts[:indent]}#{result}\n" if display_mode
      result
    end
  end
end

Version data entries

2 entries across 2 versions & 2 rubygems

Version	Path
files.com-1.0.55	docs/vendor/bundle/ruby/2.5.0/gems/kramdown-1.17.0/lib/kramdown/converter/math_engine/katex.rb
kramdown-1.17.0	lib/kramdown/converter/math_engine/katex.rb