is,n),this.browser=e,this.config=t,this.options=this.browser.options,this.prefetched=new Set,this.eventTime=null,this.threshold=1111,this.numOnHover=0}return e(n,[{key:"init",value:function(){!this.browser.supportsLinkPrefetch()||this.browser.isDataSaverModeOn()||this.browser.isSlowConnection()||(this.regex={excludeUris:RegExp(this.config.excludeUris,"i"),images:RegExp(".("+this.config.imageExt+")$","i"),fileExt:RegExp(".("+this.config.fileExt+")$","i")},this._initListeners(this))}},{key:"_initListeners",value:function(e){-1i.config.rateThrottle)return;i.numOnHover++,i._addPrefetchLink(e)},this.config.onHoverDelay);t.addEventListener(n,function e(){t.removeEventListener(n,e,{passive:!0}),null!==r&&(clearTimeout(r),r=null)},{passive:!0})}},{key:"_addPrefetchLink",value:function(i){return this.prefetched.add(i.href),new Promise(function(e,t){var n=document.createElement("link");n.rel="prefetch",n.href=i.href,n.onload=e,n.onerror=t,document.head.appendChild(n)}).catch(function(){})}},{key:"_prepareUrl",value:function(e){if(null===e||"object"!==(void 0===e?"undefined":r(e))||!1 in e||-1===["http:","https:"].indexOf(e.protocol))return null;var t=e.href.substring(0,this.config.siteUrl.length),n=this._getPathname(e.href,t),i={original:e.href,protocol:e.protocol,origin:t,pathname:n,href:t+n};return this._isLinkOk(i)?i:null}},{key:"_getPathname",value:function(e,t){var n=t?e.substring(this.config.siteUrl.length):e;return n.startsWith("/")||(n="/"+n),this._shouldAddTrailingSlash(n)?n+"/":n}},{key:"_shouldAddTrailingSlash",value:function(e){return this.config.usesTrailingSlash&&!e.endsWith("/")&&!this.regex.fileExt.test(e)}},{key:"_isLinkOk",value:function(e){return null!==e&&"object"===(void 0===e?"undefined":r(e))&&(!this.prefetched.has(e.href)&&e.origin===this.config.siteUrl&&-1===e.href.indexOf("?")&&-1===e.href.indexOf("#")&&!this.regex.excludeUris.test(e.href)&&!this.regex.images.test(e.href))}}],[{key:"run",value:function(){"undefined"!=typeof RocketPreloadLinksConfig&&new n(new RocketBrowserCompatibilityChecker({capture:!0,passive:!0}),RocketPreloadLinksConfig).init()}}]),n}();t.run(); }());