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Contents
module Ruby2JS
class Converter
# (args
# (arg :a)
# (restarg :b)
# (blockarg :c))
handle :args do |*args|
kwargs = []
while args.last and
[:kwarg, :kwoptarg, :kwrestarg].include? args.last.type
kwargs.unshift args.pop
end
if kwargs.length == 1 and kwargs.last.type == :kwrestarg
args.push s(:arg, *kwargs.last.children)
end
unless kwargs.empty? or es2015
raise NotImplementedError.new('Keyword args require ES2015')
end
parse_all(*args, join: ', ')
if not kwargs.empty?
put ', ' unless args.empty?
put '{ '
kwargs.each_with_index do |kw, index|
put ', ' unless index == 0
if kw.type == :kwarg
put kw.children.first
elsif kw.type == :kwoptarg
put kw.children.first; put ' = '; parse kw.children.last
elsif kw.type == :kwrestarg
raise 'Rest arg requires ES2018' unless es2018
put '...'; put kw.children.first
end
end
put ' }'
end
end
handle :mlhs do |*args|
if es2015 or @jsx
put '['
parse_all(*args, join: ', ')
put ']'
else
raise Error.new("destructuring requires ES2015", @ast)
end
end
end
end
Version data entries
15 entries across 15 versions & 1 rubygems