void0===Object.assign&&function(){Object.assign=function(a){if(void0===a||null===a)thrownewTypeError("Cannot convert undefined or null to object");for(varb=Object(a),c=1;c<arguments.length;c++){vard=arguments[c];if(void0!==d&&null!==d)for(vareind)Object.prototype.hasOwnProperty.call(d,e)&&(b[e]=d[e])}returnb}}();