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Contents
module Ruby2JS
class Converter
# (op-asgn
# (lvasgn :a) :+
# (int 1))
# NOTE: and-asgn and or_asgn handled below
handle :op_asgn do |var, op, value|
var = s(:ivar, var.children.first) if var.type == :ivasgn
var = s(:lvar, var.children.first) if var.type == :lvasgn
var = s(:cvar, var.children.first) if var.type == :cvasgn
if var.type == :lvar
name = var.children.first
receiver = @rbstack.map {|rb| rb[name]}.compact.last
if receiver
var = s(:attr, nil, name)
end
end
if \
[:+, :-].include?(op) and value.type==:int and
(value.children==[1] or value.children==[-1])
then
if value.children.first == -1
op = (op == :+ ? :- : :+)
end
if @state == :statement
parse var; put "#{ op }#{ op }"
else
put "#{ op }#{ op }"; parse var
end
else
parse var; put " #{ op }= "; parse value
end
end
# (or-asgn
# (lvasgn :a)
# (int 1))
# (and-asgn
# (lvasgn :a)
# (int 1))
handle :or_asgn, :and_asgn do |asgn, value|
type = (@ast.type == :and_asgn ? :and : :or)
vtype = nil
vtype = :lvar if asgn.type == :lvasgn
vtype = :ivar if asgn.type == :ivasgn
vtype = :cvar if asgn.type == :cvasgn
if es2021
op = type == :and ? '&&' : (@or == :nullish ? '??' : '||')
parse s(:op_asgn, asgn, op, value);
elsif vtype
parse s(asgn.type, asgn.children.first, s(type,
s(vtype, asgn.children.first), value))
elsif asgn.type == :send and asgn.children[1] == :[]
parse s(:send, asgn.children.first, :[]=,
asgn.children[2], s(type, asgn, value))
else
parse s(:send, asgn.children.first, "#{asgn.children[1]}=",
s(type, asgn, value))
end
end
end
end
Version data entries
21 entries across 21 versions & 1 rubygems