Module 158056

function(e,t,r){"use strict";var n=r(439619),i=r(906046),o=r(315646),a=r(12161),s=r(741623),l=n("%WeakMap%",!0),u=i("WeakMap.prototype.get",!0),c=i("WeakMap.prototype.set",!0),f=i("WeakMap.prototype.has",!0),d=i("WeakMap.prototype.delete",!0);e.exports=l?function(){var e,t,r={assert:function(e){if(!r.has(e))throw new s("Side channel does not contain "+o(e))},delete:function(r){if(l&&r&&("object"==typeof r||"function"==typeof r)){if(e)return d(e,r)}else if(a&&t)return t.delete(r);return!1},get:function(r){return l&&r&&("object"==typeof r||"function"==typeof r)&&e?u(e,r):t&&t.get(r)},has:function(r){return l&&r&&("object"==typeof r||"function"==typeof r)&&e?f(e,r):!!t&&t.has(r)},set:function(r,n){l&&r&&("object"==typeof r||"function"==typeof r)?(e||(e=new l),c(e,r,n)):a&&(t||(t=a()),t.set(r,n))}};return r}:a}