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Contents
module Ruby2JS
class Converter
# (begin
# (...)
# (...))
handle :begin do |*statements|
state = @state
props = false
if state == :expression and statements.empty?
puts 'null'
return
end
statements.map! do |statement|
case statement and statement.type
when :defs, :defp
props = true
@ast = statement
transform_defs(*statement.children)
when :prop
props = true
statement
else
statement
end
end
if props
combine_properties(statements) if props
statements.compact!
end
parse_all(*statements, state: state, join: @sep)
end
def combine_properties(body)
(0...body.length-1).each do |i|
next unless body[i] and body[i].type == :prop
(i+1...body.length).each do |j|
break unless body[j] and body[j].type == :prop
if body[i].children[0] == body[j].children[0]
# relocate property comment to first method
[body[i], body[j]].each do |node|
unless @comments[node].empty?
node.children[1].values.first.each do |key, value|
if [:get, :set].include? key and Parser::AST::Node === value
@comments[value] = @comments[node]
break
end
end
end
end
# merge properties
merge = Hash[(body[i].children[1].to_a+body[j].children[1].to_a).
group_by {|name, value| name.to_s}.map {|name, values|
[name, values.map(&:last).reduce(:merge)]}]
body[j] = s(:prop, body[j].children[0], merge)
body[i] = nil
break
end
end
end
end
end
end
Version data entries
21 entries across 21 versions & 1 rubygems