Class: MagicReveal::ProjectConfig

Inherits:
Object
  • Object
show all
Defined in:
lib/magic_reveal/project_config.rb

Constant Summary collapse

DEFAULT_TEMPLATE = 
File.expand_path('../template-config.json', __FILE__)

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(io_or_path) ⇒ ProjectConfig

Returns a new instance of ProjectConfig.



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# File 'lib/magic_reveal/project_config.rb', line 9

def initialize io_or_path
  io = io_or_path.respond_to?(:read) ? io_or_path : Pathname.new(io_or_path)
  @json = JSON::load(io.read)
end

Instance Attribute Details

#json ⇒ Object (readonly)

Returns the value of attribute json.



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# File 'lib/magic_reveal/project_config.rb', line 7

def json
  @json
end

Instance Method Details

#dependencies ⇒ Object 



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# File 'lib/magic_reveal/project_config.rb', line 14

def dependencies
  out = []
  # you always want this
  out << '{ src: "lib/js/classList.js", condition: function() { return !document.body.classList; } }'

  if json['plugins'].include? 'highlight'
    out << '{ src: "plugin/highlight/highlight.js", async: true, callback: function() { hljs.initHighlightingOnLoad(); } }'
  end
  if json['plugins'].include? 'zoom'
    out << '{ src: "plugin/zoom-js/zoom.js", async: true, condition: function() { return !!document.body.classList; } }'
  end
  if json['plugins'].include? 'notes'
    out << '{ src: "plugin/notes/notes.js", async: true, condition: function() { return !!document.body.classList; } }'
  end

  "\"dependencies\": [\n#{out.join(",\n")}\n]"
end

#to_js ⇒ Object 



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# File 'lib/magic_reveal/project_config.rb', line 32

def to_js
  var = []
  keys = json.keys.reject { |k| ['dependencies', 'github'].include?(k) }
  keys.each do |key|
    value = json[key]
    var << "  #{key}: #{value.to_json}"
  end

  out = []
  out << "/* Generated at #{Time.now} */"
  out << "var config = {"
  out << "#{var.join(",\n")},\n#{dependencies}"
  out << "\n};"
  out << "Reveal.initialize(config);"
  out.join("\n")
end