Sha256: 3d0975846e5488c76e579bef3cf064a2f8fa9b703e99554332e64b83dc660c87
Contents?: true
Size: 1.58 KB
Versions: 18
Compression:
Stored size: 1.58 KB
Contents
module Ruby2JS
class Converter
# (dstr
# (str 'a')
# (...))
# (dsym
# (str 'a')
# (...))
handle :dstr, :dsym do |*children|
if @state == :expression and children.empty?
puts '""'
return
end
if es2015
# gather length of string parts; if long enough, newlines will
# not be escaped (poor man's HEREDOC)
strings = children.select {|child| child.type==:str}.
map {|child| child.children.last}.join
heredoc = (strings.length > 40 and strings.scan("\n").length > 3)
put '`'
children.each do |child|
if child.type == :str
str = child.children.first.inspect[1..-2].
gsub('${', '$\{').gsub('`', '\\\`')
str = str.gsub(/\\"/, '"') unless str.include? '\\\\'
if heredoc
put! str.gsub("\\n", "\n")
else
put str
end
elsif child != s(:begin)
put '${'
parse child
put '}'
end
end
put '`'
return
end
children.each_with_index do |child, index|
put ' + ' unless index == 0
if child.type == :begin and child.children.length <= 1
child = child.children.first || s(:str, '')
end
if child.type == :send
op_index = operator_index child.children[1]
if op_index >= operator_index(:+)
group child
else
parse child
end
else
parse child
end
end
end
end
end
Version data entries
18 entries across 18 versions & 1 rubygems