mapPolyfill.min.js

"undefined"!=typeof Map&&Map.prototype.keys&&"undefined"!=typeof Set&&Set.prototype.keys||function(){"use-strict";function t(t,e){if(e===e)return t.indexOf(e);for(i=0,n=t.length;t[i]===t[i]&&++i!==n;);return i}var e,i,n,r,s,o,h={"delete":function(i){return e=t(this.k,i),~e?(this.k.splice(e,1),this.v.splice(e,1),--this.size,!0):!1},get:function(e){return this.v[t(this.k,e)]},set:function(i,n){return e=t(this.k,i),~e||(this.k[e=this.size++]=i),this.v[e]=n,this},has:function(e){return t(this.k,e)>-1},clear:function(){this.k.length=this.v.length=this.size=0},forEach:function(t,e){e&&(t=t.bind(e));for(var i=-1,n=this.size;++i!==n;)t(this.v[i],this.k[i],this)},entries:function(){var t=0,e=this;return{next:function(){return t!==e.size?{value:[e.k[t++],e.v[t]],done:!1}:{done:!0}}}},keys:function(){var t=0,e=this;return{next:function(){return t!==e.size?{value:e.k[t++],done:!1}:{done:!0}}}},values:function(){var t=0,e=this;return{next:function(){return t!==e.size?{value:e.v[t++],done:!1}:{done:!0}}}},toString:function(){return"[object Map]"}};WeakMap=Map=function(e){if(r=this.k=[],s=this.v=[],n=0,void 0!==e&&null!==e){if(o=Object(e),i=+o.length,i!=i)throw new TypeError("("+(e.toString||o.toString)()+") is not iterable");for(;i--;){if(!(o[i]instanceof Object))throw new TypeError("Iterator value "+o[i]+" is not an entry object");~t(r,o[i][0])||(r[n]=o[i][0],s[n++]=o[i][1])}r.reverse(),s.reverse()}this.size=n},Map.prototype=h,WeakSet=Set=function(e){if(r=this.k=this.v=[],n=0,void 0!==e&&null!==e){if(o=Object(e),i=+o.length,i!=i)throw new TypeError("("+(e.toString||o.toString)()+") is not iterable");for(;i--;)~t(r,o[i])||(r[n++]=o[i]);r.reverse()}this.size=n},Set.prototype={"delete":function(i){return e=t(this.k,i),~e?(this.k.splice(e,1),--this.size,!0):!1},add:function(i){return e=t(this.k,i),~e||(e=this.size++),this.k[e]=i,this},has:h.has,clear:h.clear,forEach:h.forEach,entries:h.entries,keys:h.keys,values:h.keys,toString:function(){return"[object Set]"}}}();