From e5b132121009fbf76baa9ca7768d7ef207db72cd Mon Sep 17 00:00:00 2001
From: Stuart <stuart@yamartino.com>
Date: Fri, 23 Jul 2021 16:09:34 -0400
Subject: [PATCH] Rebuilt and bump version

---
 dist/openpixel.js     | 21 ++++++++++++++-------
 dist/openpixel.min.js |  4 ++--
 gulpfile.js           |  2 +-
 package-lock.json     |  2 +-
 package.json          |  2 +-
 src/setup.js          |  7 ++-----
 6 files changed, 21 insertions(+), 17 deletions(-)

diff --git a/dist/openpixel.js b/dist/openpixel.js
index 6b136d7..bebde53 100644
--- a/dist/openpixel.js
+++ b/dist/openpixel.js
@@ -1,8 +1,8 @@
-// Open Pixel v1.2.0 | Published By Dockwa | Created By Stuart Yamartino | MIT License
+// Open Pixel v1.3.0 | Published By Dockwa | Created By Stuart Yamartino | MIT License
 ;(function(window, document, pixelFunc, pixelFuncName, pixelEndpoint, versionNumber) {
 "use strict";
 
-function ownKeys(object, enumerableOnly) { var keys = Object.keys(object); if (Object.getOwnPropertySymbols) { var symbols = Object.getOwnPropertySymbols(object); if (enumerableOnly) symbols = symbols.filter(function (sym) { return Object.getOwnPropertyDescriptor(object, sym).enumerable; }); keys.push.apply(keys, symbols); } return keys; }
+function ownKeys(object, enumerableOnly) { var keys = Object.keys(object); if (Object.getOwnPropertySymbols) { var symbols = Object.getOwnPropertySymbols(object); if (enumerableOnly) { symbols = symbols.filter(function (sym) { return Object.getOwnPropertyDescriptor(object, sym).enumerable; }); } keys.push.apply(keys, symbols); } return keys; }
 
 function _objectSpread(target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i] != null ? arguments[i] : {}; if (i % 2) { ownKeys(Object(source), true).forEach(function (key) { _defineProperty(target, key, source[key]); }); } else if (Object.getOwnPropertyDescriptors) { Object.defineProperties(target, Object.getOwnPropertyDescriptors(source)); } else { ownKeys(Object(source)).forEach(function (key) { Object.defineProperty(target, key, Object.getOwnPropertyDescriptor(source, key)); }); } } return target; }
 
@@ -97,7 +97,7 @@ var Browser = /*#__PURE__*/function () {
   }, {
     key: "isMobile",
     value: function isMobile() {
-      return 'ontouchstart' in document;
+      return 'ontouchstart' in window || navigator.maxTouchPoints > 0 || navigator.msMaxTouchPoints > 0;
     }
   }, {
     key: "userAgent",
@@ -209,8 +209,8 @@ var Url = /*#__PURE__*/function () {
 
   _createClass(Url, null, [{
     key: "getParameterByName",
-    // http://stackoverflow.com/a/901144/1231563
-    value: function getParameterByName(name, url) {
+    value: // http://stackoverflow.com/a/901144/1231563
+    function getParameterByName(name, url) {
       if (!url) url = window.location.href;
       name = name.replace(/[\[\]]/g, "\\$&");
       var regex = new RegExp("[?&]" + name + "(=([^&#]*)|&|#|$)", "i"),
@@ -411,9 +411,16 @@ pixelFunc.process = function (method, value, optional) {
 
 for (var i = 0, l = pixelFunc.queue.length; i < l; i++) {
   pixelFunc.process.apply(pixelFunc, pixelFunc.queue[i]);
-}
+} // https://github.com/GoogleChromeLabs/page-lifecycle/blob/master/src/Lifecycle.mjs
+// Safari does not reliably fire the `pagehide` or `visibilitychange`
 
-window.addEventListener('unload', function () {
+
+var isSafari = (typeof safari === "undefined" ? "undefined" : _typeof(safari)) === 'object' && safari.pushNotification;
+var isPageHideSupported = ('onpageshow' in self); // IE9-10 do not support the pagehide event, so we fall back to unload
+// pagehide event is more reliable but less broad than unload event for mobile and modern browsers
+
+var pageCloseEvent = isPageHideSupported && !isSafari ? 'pagehide' : 'unload';
+window.addEventListener(pageCloseEvent, function () {
   if (!Config.pageCloseOnce) {
     Config.pageCloseOnce = true;
     new Pixel('pageclose', Helper.now(), function () {
diff --git a/dist/openpixel.min.js b/dist/openpixel.min.js
index cb7511f..9698149 100644
--- a/dist/openpixel.min.js
+++ b/dist/openpixel.min.js
@@ -1,2 +1,2 @@
-// Open Pixel v1.2.0 | Published By Dockwa | Created By Stuart Yamartino | MIT License
-!function(i,u,r){"use strict";function t(t,e){var n,r=Object.keys(t);return Object.getOwnPropertySymbols&&(n=Object.getOwnPropertySymbols(t),e&&(n=n.filter(function(e){return Object.getOwnPropertyDescriptor(t,e).enumerable})),r.push.apply(r,n)),r}function n(i){for(var e=1;e<arguments.length;e++){var o=null!=arguments[e]?arguments[e]:{};e%2?t(Object(o),!0).forEach(function(e){var t,n,r;t=i,r=o[n=e],n in t?Object.defineProperty(t,n,{value:r,enumerable:!0,configurable:!0,writable:!0}):t[n]=r}):Object.getOwnPropertyDescriptors?Object.defineProperties(i,Object.getOwnPropertyDescriptors(o)):t(Object(o)).forEach(function(e){Object.defineProperty(i,e,Object.getOwnPropertyDescriptor(o,e))})}return i}function o(e){return(o="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(e){return typeof e}:function(e){return e&&"function"==typeof Symbol&&e.constructor===Symbol&&e!==Symbol.prototype?"symbol":typeof e})(e)}function a(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}function c(e,t){for(var n=0;n<t.length;n++){var r=t[n];r.enumerable=r.enumerable||!1,r.configurable=!0,"value"in r&&(r.writable=!0),Object.defineProperty(e,r.key,r)}}function s(e,t,n){return t&&c(e.prototype,t),n&&c(e,n),e}var l={id:"",params:{},version:1},f=function(){function t(){a(this,t)}return s(t,null,[{key:"isPresent",value:function(e){return null!=e&&""!==e}},{key:"now",value:function(){return+new Date}},{key:"guid",value:function(){return l.version+"-xxxxxxxx-".replace(/[x]/g,function(e){var t=36*Math.random()|0;return("x"==e?t:3&t|8).toString(36)})+(+new Date).toString(36)}},{key:"optionalData",value:function(e){return!1===t.isPresent(e)?"":"object"===o(e)?t.optionalData(JSON.stringify(e)):"function"==typeof e?t.optionalData(e()):String(e)}}]),t}(),m=function(){function e(){a(this,e)}return s(e,null,[{key:"nameAndVersion",value:function(){var e,t=navigator.userAgent,n=t.match(/(opera|chrome|safari|firefox|msie|trident(?=\/))\/?\s*(\d+)/i)||[];return/trident/i.test(n[1])?"IE "+((e=/\brv[ :]+(\d+)/g.exec(t)||[])[1]||""):"Chrome"===n[1]&&null!=(e=t.match(/\b(OPR|Edge)\/(\d+)/))?e.slice(1).join(" ").replace("OPR","Opera"):(n=n[2]?[n[1],n[2]]:[navigator.appName,navigator.appVersion,"-?"],null!=(e=t.match(/version\/(\d+)/i))&&n.splice(1,1,e[1]),n.join(" "))}},{key:"isMobile",value:function(){return"ontouchstart"in u}},{key:"userAgent",value:function(){return i.navigator.userAgent}}]),e}(),g=function(){function e(){a(this,e)}return s(e,null,[{key:"prefix",value:function(){return"__".concat("opix","_")}},{key:"set",value:function(e,t,n,r){var i,o=3<arguments.length&&void 0!==r?r:"/",a="";f.isPresent(n)&&((i=new Date).setTime(i.getTime()+60*n*1e3),a="expires=".concat(i.toGMTString(),"; ")),u.cookie="".concat(this.prefix()).concat(e,"=").concat(t,"; ").concat(a,"path=").concat(o,"; SameSite=Lax")}},{key:"get",value:function(e){for(var e="".concat(this.prefix()).concat(e,"="),t=u.cookie.split(";"),n=0;n<t.length;n++){for(var r=t[n];" "==r.charAt(0);)r=r.substring(1);if(0==r.indexOf(e))return r.substring(e.length,r.length)}}},{key:"delete",value:function(e){this.set(e,"",-100)}},{key:"exists",value:function(e){return f.isPresent(this.get(e))}},{key:"setUtms",value:function(){for(var e=["utm_source","utm_medium","utm_term","utm_content","utm_campaign"],t=!1,n=0,r=e.length;n<r;n++)if(f.isPresent(p.getParameterByName(e[n]))){t=!0;break}if(t){for(var i,o={},n=0,r=e.length;n<r;n++)i=p.getParameterByName(e[n]),f.isPresent(i)&&(o[e[n]]=i);this.set("utm",JSON.stringify(o))}}},{key:"getUtm",value:function(e){if(this.exists("utm")){var t=JSON.parse(this.get("utm"));return e in t?t[e]:""}}}]),e}(),p=function(){function e(){a(this,e)}return s(e,null,[{key:"getParameterByName",value:function(e,t){t=t||i.location.href,e=e.replace(/[\[\]]/g,"\\$&");var n=new RegExp("[?&]"+e+"(=([^&#]*)|&|#|$)","i").exec(t);return n?n[2]?decodeURIComponent(n[2].replace(/\+/g," ")):"":null}},{key:"externalHost",value:function(e){return e.hostname!=location.hostname&&0===e.protocol.indexOf("http")}}]),e}(),h=function(){function r(e,t,n){a(this,r),this.params=[],this.event=e,this.timestamp=t,this.optional=f.optionalData(n),this.buildParams(),this.send()}return s(r,[{key:"buildParams",value:function(){var e=this.getAttribute();for(var t in e)e.hasOwnProperty(t)&&this.setParam(t,e[t](t))}},{key:"getAttribute",value:function(){var e=this;return n({id:function(){return l.id},uid:function(){return g.get("uid")},ev:function(){return e.event},ed:function(){return e.optional},v:function(){return l.version},dl:function(){return i.location.href},rl:function(){return u.referrer},ts:function(){return e.timestamp},de:function(){return u.characterSet},sr:function(){return i.screen.width+"x"+i.screen.height},vp:function(){return i.innerWidth+"x"+i.innerHeight},cd:function(){return i.screen.colorDepth},dt:function(){return u.title},bn:function(){return m.nameAndVersion()},md:function(){return m.isMobile()},ua:function(){return m.userAgent()},tz:function(){return(new Date).getTimezoneOffset()},utm_source:function(e){return g.getUtm(e)},utm_medium:function(e){return g.getUtm(e)},utm_term:function(e){return g.getUtm(e)},utm_content:function(e){return g.getUtm(e)},utm_campaign:function(e){return g.getUtm(e)}},l.params)}},{key:"setParam",value:function(e,t){f.isPresent(t)?this.params.push("".concat(e,"=").concat(encodeURIComponent(t))):this.params.push("".concat(e,"="))}},{key:"send",value:function(){i.navigator.sendBeacon?this.sendBeacon():this.sendImage()}},{key:"sendBeacon",value:function(){i.navigator.sendBeacon(this.getSourceUrl())}},{key:"sendImage",value:function(){this.img=u.createElement("img"),this.img.src=this.getSourceUrl(),this.img.style.display="none",this.img.width="1",this.img.height="1",u.getElementsByTagName("body")[0].appendChild(this.img)}},{key:"getSourceUrl",value:function(){return"".concat("/pixel.gif","?").concat(this.params.join("&"))}}]),r}();g.exists("uid")?g.set("uid",g.get("uid"),1051200):g.set("uid",f.guid(),1051200),g.setUtms(),r.process=function(e,t,n){"init"===e?l.id=t:"param"===e?l.params[t]=function(){return n}:"event"===e&&("pageload"!==t||l.pageLoadOnce?"pageload"!==t&&"pageclose"!==t&&new h(t,f.now(),n):(l.pageLoadOnce=!0,new h(t,r.t,n)))};for(var e=0,d=r.queue.length;e<d;e++)r.process.apply(r,r.queue[e]);i.addEventListener("unload",function(){l.pageCloseOnce||(l.pageCloseOnce=!0,new h("pageclose",f.now(),function(){if(f.isPresent(l.externalHost)&&f.now()-l.externalHost.time<5e3)return l.externalHost.link}))}),i.onload=function(){for(var e=u.getElementsByTagName("a"),t=0,n=e.length;t<n;t++)e[t].addEventListener("click",function(e){p.externalHost(this)&&(l.externalHost={link:this.href,time:f.now()})}.bind(e[t]));for(var r=u.querySelectorAll("[data-opix-event]"),t=0,n=r.length;t<n;t++)r[t].addEventListener("click",function(e){var t=this.getAttribute("data-opix-event");t&&new h(t,f.now(),this.getAttribute("data-opix-data"))}.bind(r[t]))}}(window,document,window.opix);
\ No newline at end of file
+// Open Pixel v1.3.0 | Published By Dockwa | Created By Stuart Yamartino | MIT License
+!function(i,u,r){"use strict";function t(t,e){var n,r=Object.keys(t);return Object.getOwnPropertySymbols&&(n=Object.getOwnPropertySymbols(t),e&&(n=n.filter(function(e){return Object.getOwnPropertyDescriptor(t,e).enumerable})),r.push.apply(r,n)),r}function n(i){for(var e=1;e<arguments.length;e++){var o=null!=arguments[e]?arguments[e]:{};e%2?t(Object(o),!0).forEach(function(e){var t,n,r;t=i,r=o[n=e],n in t?Object.defineProperty(t,n,{value:r,enumerable:!0,configurable:!0,writable:!0}):t[n]=r}):Object.getOwnPropertyDescriptors?Object.defineProperties(i,Object.getOwnPropertyDescriptors(o)):t(Object(o)).forEach(function(e){Object.defineProperty(i,e,Object.getOwnPropertyDescriptor(o,e))})}return i}function o(e){return(o="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(e){return typeof e}:function(e){return e&&"function"==typeof Symbol&&e.constructor===Symbol&&e!==Symbol.prototype?"symbol":typeof e})(e)}function a(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}function c(e,t){for(var n=0;n<t.length;n++){var r=t[n];r.enumerable=r.enumerable||!1,r.configurable=!0,"value"in r&&(r.writable=!0),Object.defineProperty(e,r.key,r)}}function s(e,t,n){return t&&c(e.prototype,t),n&&c(e,n),e}var f={id:"",params:{},version:1},l=function(){function t(){a(this,t)}return s(t,null,[{key:"isPresent",value:function(e){return null!=e&&""!==e}},{key:"now",value:function(){return+new Date}},{key:"guid",value:function(){return f.version+"-xxxxxxxx-".replace(/[x]/g,function(e){var t=36*Math.random()|0;return("x"==e?t:3&t|8).toString(36)})+(+new Date).toString(36)}},{key:"optionalData",value:function(e){return!1===t.isPresent(e)?"":"object"===o(e)?t.optionalData(JSON.stringify(e)):"function"==typeof e?t.optionalData(e()):String(e)}}]),t}(),m=function(){function e(){a(this,e)}return s(e,null,[{key:"nameAndVersion",value:function(){var e,t=navigator.userAgent,n=t.match(/(opera|chrome|safari|firefox|msie|trident(?=\/))\/?\s*(\d+)/i)||[];return/trident/i.test(n[1])?"IE "+((e=/\brv[ :]+(\d+)/g.exec(t)||[])[1]||""):"Chrome"===n[1]&&null!=(e=t.match(/\b(OPR|Edge)\/(\d+)/))?e.slice(1).join(" ").replace("OPR","Opera"):(n=n[2]?[n[1],n[2]]:[navigator.appName,navigator.appVersion,"-?"],null!=(e=t.match(/version\/(\d+)/i))&&n.splice(1,1,e[1]),n.join(" "))}},{key:"isMobile",value:function(){return"ontouchstart"in i||0<navigator.maxTouchPoints||0<navigator.msMaxTouchPoints}},{key:"userAgent",value:function(){return i.navigator.userAgent}}]),e}(),g=function(){function e(){a(this,e)}return s(e,null,[{key:"prefix",value:function(){return"__".concat("opix","_")}},{key:"set",value:function(e,t,n,r){var i,o=3<arguments.length&&void 0!==r?r:"/",a="";l.isPresent(n)&&((i=new Date).setTime(i.getTime()+60*n*1e3),a="expires=".concat(i.toGMTString(),"; ")),u.cookie="".concat(this.prefix()).concat(e,"=").concat(t,"; ").concat(a,"path=").concat(o,"; SameSite=Lax")}},{key:"get",value:function(e){for(var e="".concat(this.prefix()).concat(e,"="),t=u.cookie.split(";"),n=0;n<t.length;n++){for(var r=t[n];" "==r.charAt(0);)r=r.substring(1);if(0==r.indexOf(e))return r.substring(e.length,r.length)}}},{key:"delete",value:function(e){this.set(e,"",-100)}},{key:"exists",value:function(e){return l.isPresent(this.get(e))}},{key:"setUtms",value:function(){for(var e=["utm_source","utm_medium","utm_term","utm_content","utm_campaign"],t=!1,n=0,r=e.length;n<r;n++)if(l.isPresent(p.getParameterByName(e[n]))){t=!0;break}if(t){for(var i,o={},n=0,r=e.length;n<r;n++)i=p.getParameterByName(e[n]),l.isPresent(i)&&(o[e[n]]=i);this.set("utm",JSON.stringify(o))}}},{key:"getUtm",value:function(e){if(this.exists("utm")){var t=JSON.parse(this.get("utm"));return e in t?t[e]:""}}}]),e}(),p=function(){function e(){a(this,e)}return s(e,null,[{key:"getParameterByName",value:function(e,t){t=t||i.location.href,e=e.replace(/[\[\]]/g,"\\$&");var n=new RegExp("[?&]"+e+"(=([^&#]*)|&|#|$)","i").exec(t);return n?n[2]?decodeURIComponent(n[2].replace(/\+/g," ")):"":null}},{key:"externalHost",value:function(e){return e.hostname!=location.hostname&&0===e.protocol.indexOf("http")}}]),e}(),h=function(){function r(e,t,n){a(this,r),this.params=[],this.event=e,this.timestamp=t,this.optional=l.optionalData(n),this.buildParams(),this.send()}return s(r,[{key:"buildParams",value:function(){var e=this.getAttribute();for(var t in e)e.hasOwnProperty(t)&&this.setParam(t,e[t](t))}},{key:"getAttribute",value:function(){var e=this;return n({id:function(){return f.id},uid:function(){return g.get("uid")},ev:function(){return e.event},ed:function(){return e.optional},v:function(){return f.version},dl:function(){return i.location.href},rl:function(){return u.referrer},ts:function(){return e.timestamp},de:function(){return u.characterSet},sr:function(){return i.screen.width+"x"+i.screen.height},vp:function(){return i.innerWidth+"x"+i.innerHeight},cd:function(){return i.screen.colorDepth},dt:function(){return u.title},bn:function(){return m.nameAndVersion()},md:function(){return m.isMobile()},ua:function(){return m.userAgent()},tz:function(){return(new Date).getTimezoneOffset()},utm_source:function(e){return g.getUtm(e)},utm_medium:function(e){return g.getUtm(e)},utm_term:function(e){return g.getUtm(e)},utm_content:function(e){return g.getUtm(e)},utm_campaign:function(e){return g.getUtm(e)}},f.params)}},{key:"setParam",value:function(e,t){l.isPresent(t)?this.params.push("".concat(e,"=").concat(encodeURIComponent(t))):this.params.push("".concat(e,"="))}},{key:"send",value:function(){i.navigator.sendBeacon?this.sendBeacon():this.sendImage()}},{key:"sendBeacon",value:function(){i.navigator.sendBeacon(this.getSourceUrl())}},{key:"sendImage",value:function(){this.img=u.createElement("img"),this.img.src=this.getSourceUrl(),this.img.style.display="none",this.img.width="1",this.img.height="1",u.getElementsByTagName("body")[0].appendChild(this.img)}},{key:"getSourceUrl",value:function(){return"".concat("/pixel.gif","?").concat(this.params.join("&"))}}]),r}();g.exists("uid")?g.set("uid",g.get("uid"),1051200):g.set("uid",l.guid(),1051200),g.setUtms(),r.process=function(e,t,n){"init"===e?f.id=t:"param"===e?f.params[t]=function(){return n}:"event"===e&&("pageload"!==t||f.pageLoadOnce?"pageload"!==t&&"pageclose"!==t&&new h(t,l.now(),n):(f.pageLoadOnce=!0,new h(t,r.t,n)))};for(var e=0,d=r.queue.length;e<d;e++)r.process.apply(r,r.queue[e]);var v="object"===("undefined"==typeof safari?"undefined":o(safari))&&safari.pushNotification,y="onpageshow"in self&&!v?"pagehide":"unload";i.addEventListener(y,function(){f.pageCloseOnce||(f.pageCloseOnce=!0,new h("pageclose",l.now(),function(){if(l.isPresent(f.externalHost)&&l.now()-f.externalHost.time<5e3)return f.externalHost.link}))}),i.onload=function(){for(var e=u.getElementsByTagName("a"),t=0,n=e.length;t<n;t++)e[t].addEventListener("click",function(e){p.externalHost(this)&&(f.externalHost={link:this.href,time:l.now()})}.bind(e[t]));for(var r=u.querySelectorAll("[data-opix-event]"),t=0,n=r.length;t<n;t++)r[t].addEventListener("click",function(e){var t=this.getAttribute("data-opix-event");t&&new h(t,l.now(),this.getAttribute("data-opix-data"))}.bind(r[t]))}}(window,document,window.opix);
\ No newline at end of file
diff --git a/gulpfile.js b/gulpfile.js
index 183a017..ed00522 100644
--- a/gulpfile.js
+++ b/gulpfile.js
@@ -1,7 +1,7 @@
 // ---------- Configurations for your custom build of open pixel ---------- //
 
 // This is the header comment that will be included at the top of the "dist/openpixel.js" file
-var HEADER_COMMENT     = process.env.OPIX_HEADER_COMMENT || '// Open Pixel v1.2.0 | Published By Dockwa | Created By Stuart Yamartino | MIT License\n';
+var HEADER_COMMENT     = process.env.OPIX_HEADER_COMMENT || '// Open Pixel v1.3.0 | Published By Dockwa | Created By Stuart Yamartino | MIT License\n';
 
 // This is where the compiled snippet and openpixel.js files will be dropped
 var DESTINATION_FOLDER = process.env.OPIX_DESTINATION_FOLDER || './dist';
diff --git a/package-lock.json b/package-lock.json
index e7899c7..2b092ab 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -3020,7 +3020,7 @@
         },
         "readable-stream": {
           "version": "2.3.6",
-          "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-2.3.6.tgz",
+          "resolved": "http://registry.npmjs.org/readable-stream/-/readable-stream-2.3.6.tgz",
           "integrity": "sha512-tQtKA9WIAhBF3+VLAseyMqZeBjW0AHJoxOtYqSUZNJxauErmLbVm2FW1y+J/YA9dUrAC39ITejlZWhVIwawkKw==",
           "requires": {
             "core-util-is": "~1.0.0",
diff --git a/package.json b/package.json
index 8c6fb7c..c3eaf9e 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "openpixel",
-  "version": "1.2.0",
+  "version": "1.3.0",
   "description": "Open Pixel is a JavaScript library for creating embeddable and intelligent tracking pixels",
   "main": "openpixel.min.js",
   "dependencies": {
diff --git a/src/setup.js b/src/setup.js
index 1886571..d8babb7 100644
--- a/src/setup.js
+++ b/src/setup.js
@@ -26,15 +26,12 @@ for (var i = 0, l = pixelFunc.queue.length; i < l; i++) {
 
 // https://github.com/GoogleChromeLabs/page-lifecycle/blob/master/src/Lifecycle.mjs
 // Safari does not reliably fire the `pagehide` or `visibilitychange`
-var isNotSafari = !(typeof safari === 'object' && safari.pushNotification);
+var isSafari = typeof safari === 'object' && safari.pushNotification;
 var isPageHideSupported = 'onpageshow' in self;
 
 // IE9-10 do not support the pagehide event, so we fall back to unload
 // pagehide event is more reliable but less broad than unload event for mobile and modern browsers
-var pageCloseEvent =
-  isPageHideSupported && isNotSafari
-    ? 'pagehide'
-    : 'unload';
+var pageCloseEvent = isPageHideSupported && !isSafari ? 'pagehide' : 'unload';
 
 window.addEventListener(pageCloseEvent, function() {
   if (!Config.pageCloseOnce) {