diff --git a/static/js/variant.js b/static/js/variant.js
index c2f2f21263..0d3c01718e 100644
--- a/static/js/variant.js
+++ b/static/js/variant.js
@@ -15,6 +15,8 @@ if (!String.prototype.startsWith) {
     });
 }
 
+"function"!=typeof Object.assign&&(Object.assign=function(n,t){"use strict";if(null==n)throw new TypeError("Cannot convert undefined or null to object");for(var r=Object(n),e=1;e<arguments.length;e++){var o=arguments[e];if(null!=o)for(var c in o)Object.prototype.hasOwnProperty.call(o,c)&&(r[c]=o[c])}return r});
+
 if(!Array.prototype.find){Array.prototype.find=function(predicate){if(this===null){throw new TypeError('Array.prototype.find called on null or undefined')}if(typeof predicate!=='function'){throw new TypeError('predicate must be a function')}var list=Object(this);var length=list.length>>>0;var thisArg=arguments[1];var value;for(var i=0;i<length;i+=1){value=list[i];if(predicate.call(thisArg,value,i,list)){return value}}return undefined}}
 
 Array.from||(Array.from=function(){var r;try{r=Symbol.iterator?Symbol.iterator:"Symbol(Symbol.iterator)"}catch(t){r="Symbol(Symbol.iterator)"}var t=Object.prototype.toString,n=function(r){return"function"==typeof r||"[object Function]"===t.call(r)},o=Math.pow(2,53)-1,e=function(r){var t=function(r){var t=Number(r);return isNaN(t)?0:0!==t&&isFinite(t)?(t>0?1:-1)*Math.floor(Math.abs(t)):t}(r);return Math.min(Math.max(t,0),o)},a=function(t,n){var o=t&&n[r]();return function(r){return t?o.next():n[r]}},i=function(r,t,n,o,e,a){for(var i=0;i<n||e;){var u=o(i),f=e?u.value:u;if(e&&u.done)return t;t[i]=a?void 0===r?a(f,i):a.call(r,f,i):f,i+=1}if(e)throw new TypeError("Array.from: provided arrayLike or iterator has length more then 2 ** 52 - 1");return t.length=n,t};return function(t){var o=this,u=Object(t),f=n(u[r]);if(null==t&&!f)throw new TypeError("Array.from requires an array-like object or iterator - not null or undefined");var l,c=arguments.length>1?arguments[1]:void 0;if(void 0!==c){if(!n(c))throw new TypeError("Array.from: when provided, the second argument must be a function");arguments.length>2&&(l=arguments[2])}var y=e(u.length),h=n(o)?Object(new o(y)):new Array(y);return i(l,h,y,a(f,u),f,c)}}());