unpkg/public/systemjs@2.0.0/dist/extras/global.min.js

!function(t){const n=System.constructor.prototype;function e(){let n;for(let e in t)t.hasOwnProperty(e)&&(n=e);return n}let r;const o=n.import;n.import=function(t,n){return r=e(),o.call(this,t,n)};const c=[[],function(){return{}}],u=n.getRegister;n.getRegister=function(){const n=u.call(this);if(n)return n;const o=e();if(r===o)return c;let i;r=o;try{i=t[o]}catch(t){return c}return[[],function(t){return{execute:function(){t("default",i)}}}]}}("undefined"!=typeof self?self:global);