Module 158056

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