[]使用js压缩工具报错

invalid property id

interface:function(name,_super){

			Laya.__package(name,{});

			var ins=Laya.__internals;

			var a=ins[name]=ins[name] || {self:name};

			if(_super)

			{

				var supers=_super.split(',');

				a.extend=[];

				for(var i=0;i<supers.length;i++){

					var nm=supers[i];

					ins[nm]=ins[nm] || {self:nm};

					a.extend.push(ins[nm]);

				}

			}

			var o=window,words=name.split('.');

			for(var i=0;i<words.length-1;i++) o=o[words[i]];

			o[words[words.length-1]]={__interface__:name};

		},