Module: ActionviewPrecompiler::Ruby26ASTParser

Extended by:
Ruby26ASTParser
Included in:
Ruby26ASTParser
Defined in:
lib/actionview_precompiler/ast_parser/ruby26.rb

Defined Under Namespace

Classes: Node

Constant Summary collapse

METHODS_TO_PARSE = 
%i(render render_to_string layout)

Instance Method Summary collapse

Instance Method Details

#extract_render_nodes(root) ⇒ Object 



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# File 'lib/actionview_precompiler/ast_parser/ruby26.rb', line 137

def extract_render_nodes(root)
  renders = []
  queue = [root]

  while node = queue.shift
    node.children.each do |child|
      queue << child if node?(child)
    end

    method_name = render_call?(node)
    renders << [method_name, node] if method_name
  end

  renders
end

#fcall?(node, name) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/actionview_precompiler/ast_parser/ruby26.rb', line 133

def fcall?(node, name)
  node.fcall_named?(name)
end

#node?(node) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/actionview_precompiler/ast_parser/ruby26.rb', line 129

def node?(node)
  Node === node
end

#parse(code) ⇒ Object 



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# File 'lib/actionview_precompiler/ast_parser/ruby26.rb', line 125

def parse(code)
  Node.wrap(RubyVM::AbstractSyntaxTree.parse(code))
end

#parse_render_nodes(code) ⇒ Object 



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# File 'lib/actionview_precompiler/ast_parser/ruby26.rb', line 117

def parse_render_nodes(code)
  renders = extract_render_nodes(parse(code))

  renders.group_by(&:first).collect do |method, nodes|
    [ method, nodes.collect { |v| v[1] } ]
  end.to_h
end

#render_call?(node) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/actionview_precompiler/ast_parser/ruby26.rb', line 153

def render_call?(node)
  METHODS_TO_PARSE.detect { |m| fcall?(node, m) }
end