Class: Opal::Nodes::ArrayNode
Constant Summary
Constants included from Helpers
Helpers::BASIC_IDENTIFIER_RULES , Helpers::ES3_RESERVED_WORD_EXCLUSIVE , Helpers::ES51_RESERVED_WORD , Helpers::IMMUTABLE_PROPS
Instance Attribute Summary
Attributes inherited from Base
Instance Method Summary collapse
Methods inherited from Base
#add_gvar , #add_ivar , #add_local , #add_temp , children , #children , #compile_to_fragments , #error , #expr , #expr? , #expr_or_nil , #fragment , handle , handlers , #helper , #in_while? , #initialize , #process , #push , #recv , #recv? , #s , #scope , #stmt , #stmt? , #unshift , #while_loop , #with_temp , #wrap
Methods included from Helpers
#current_indent , #empty_line , #indent , #js_falsy , #js_truthy , #js_truthy_optimize , #line , #lvar_to_js , #mid_to_jsid , #property , #valid_name? , #variable
Constructor Details
This class inherits a constructor from Opal::Nodes::Base
Instance Method Details
#compile ⇒ Object
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# File 'opal/lib/opal/nodes/array.rb', line 8 def compile return push('[]') if children.empty? code, work = [], [] children.each do |child| splat = child.type == :splat part = expr(child) if splat if work.empty? if code.empty? code << fragment("[].concat(") << part << fragment(")") else code << fragment(".concat(") << part << fragment(")") end else if code.empty? code << fragment("[") << work << fragment("]") else code << fragment(".concat([") << work << fragment("])") end code << fragment(".concat(") << part << fragment(")") end work = [] else work << fragment(", ") unless work.empty? work << part end end unless work.empty? join = [fragment("["), work, fragment("]")] if code.empty? code = join else code.push([fragment(".concat("), join, fragment(")")]) end end push code end