Sha256: 77556ef051c05a02f924ba2d0a7f4504a45573390f40cbbb3472a9ffaab69fdd
Contents?: true
Size: 1.3 KB
Versions: 9
Compression:
Stored size: 1.3 KB
Contents
module Ruby2JS
class Converter
# (masgn
# (mlhs
# (lvasgn :a)
# (lvasgn :b))
# (array
# (int 1)
# (int 2)))
handle :masgn do |lhs, rhs|
if es2015
walk = lambda do |node|
results = []
node.children.each do |var|
if var.type == :lvasgn
results << var
elsif var.type == :mlhs or var.type == :splat
results += walk[var]
end
end
results
end
vars = walk[lhs]
newvars = vars.select {|var| not @vars.include? var.children[0]}
if newvars.length > 0
if vars == newvars
put 'let '
else
put "let #{newvars.map {|var| var.children.last}.join(', ')}#{@sep}"
end
end
newvars.each do |var|
@vars[var.children.last] ||= (@scope ? true : :pending)
end
put '['
lhs.children.each_with_index do |child, index|
put ", " unless index == 0
parse child
end
put "] = "
parse rhs
else
block = []
lhs.children.zip rhs.children.zip do |var, val|
block << s(var.type, *var.children, *val)
end
parse s(:begin, *block), @state
end
end
end
end
Version data entries
9 entries across 9 versions & 1 rubygems