"function"!=typeof Object.assign&&(Object.assign=function(n){if(null==n)throw new TypeError("Cannot convert undefined or null to object");for(var r=Object(n),t=1;t<arguments.length;t++){var e=arguments[t];if(null!=e)for(var o in e)e.hasOwnProperty(o)&&(r[o]=e[o])}return r});