text: /**
   * Push v1.0
   * =========
   * A compact, cross-browser solution for the JavaScript Notifications API
   *
   * Credits
   * -------
   * Tsvetan Tsvetkov (ttsvetko)
   * Alex Gibson (alexgibson)
   *
   * License
   * -------
   *
   * The MIT License (MIT)
   *
   * Copyright (c) 2015-2017 Tyler Nickerson
   *
   * Permission is hereby granted, free of charge, to any person obtaining a copy
   * of this software and associated documentation files (the "Software"), to deal
   * in the Software without restriction, including without limitation the rights
   * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
   * copies of the Software, and to permit persons to whom the Software is
   * furnished to do so, subject to the following conditions:
   *
   * The above copyright notice and this permission notice shall be included in
   * all copies or substantial portions of the Software.
   *
   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
   * THE SOFTWARE.
   */
  !function(i,t){"object"==typeof exports&&"undefined"!=typeof module?module.exports=t():"function"==typeof define&&define.amd?define(t):i.Push=t()}(this,function(){"use strict";function i(t){return(i="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(i){return typeof i}:function(i){return i&&"function"==typeof Symbol&&i.constructor===Symbol&&i!==Symbol.prototype?"symbol":typeof i})(t)}function t(i,t){if(!(i instanceof t))throw new TypeError("Cannot call a class as a function")}function n(i,t){for(var n=0;n<t.length;n++){var e=t[n];e.enumerable=e.enumerable||!1,e.configurable=!0,"value"in e&&(e.writable=!0),Object.defineProperty(i,e.key,e)}}function e(i,t,e){return t&&n(i.prototype,t),e&&n(i,e),i}function o(i,t){if("function"!=typeof t&&null!==t)throw new TypeError("Super expression must either be null or a function");i.prototype=Object.create(t&&t.prototype,{constructor:{value:i,enumerable:!1,writable:!0,configurable:!0}}),t&&(Object.setPrototypeOf?Object.setPrototypeOf(i,t):i.__proto__=t)}function r(i,t){if(t&&("object"==typeof t||"function"==typeof t))return t;if(!i)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return i}var s={errors:{incompatible:"".concat("PushError:"," Push.js is incompatible with browser."),invalid_plugin:"".concat("PushError:"," plugin class missing from plugin manifest (invalid plugin). Please check the documentation."),invalid_title:"".concat("PushError:"," title of notification must be a string"),permission_denied:"".concat("PushError:"," permission request declined"),sw_notification_error:"".concat("PushError:"," could not show a ServiceWorker notification due to the following reason: "),sw_registration_error:"".concat("PushError:"," could not register the ServiceWorker due to the following reason: "),unknown_interface:"".concat("PushError:"," unable to create notification: unknown interface")}},c=function(){function i(n){t(this,i),this._win=n,this.GRANTED="granted",this.DEFAULT="default",this.DENIED="denied",this._permissions=[this.GRANTED,this.DEFAULT,this.DENIED]}return e(i,[{key:"request",value:function(i,t){return arguments.length>0?this._requestWithCallback.apply(this,arguments):this._requestAsPromise()}},{key:"_requestWithCallback",value:function(i,t){var n=this,e=this.get(),o=function(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:n._win.Notification.permission;void 0===e&&n._win.webkitNotifications&&(e=n._win.webkitNotifications.checkPermission()),e===n.GRANTED||0===e?i&&i():t&&t()};e!==this.DEFAULT?o(e):this._win.webkitNotifications&&this._win.webkitNotifications.checkPermission?this._win.webkitNotifications.requestPermission(o):this._win.Notification&&this._win.Notification.requestPermission?this._win.Notification.requestPermission().then(o).catch(function(){t&&t()}):i&&i()}},{key:"_requestAsPromise",value:function(){var i=this,t=this.get(),n=function(t){return t===i.GRANTED||0===t},e=t!==this.DEFAULT,o=this._win.Notification&&this._win.Notification.requestPermission,r=this._win.webkitNotifications&&this._win.webkitNotifications.checkPermission;return new Promise(function(s,c){var a=function(i){return n(i)?s():c()};e?a(t):r?i._win.webkitNotifications.requestPermission(function(i){a(i)}):o?i._win.Notification.requestPermission().then(function(i){a(i)}).catch(c):s()})}},{key:"has",value:function(){return this.get()===this.GRANTED}},{key:"get",value:function(){return this._win.Notification&&this._win.Notification.permission?this._win.Notification.permission:this._win.webkitNotifications&&this._win.webkitNotifications.checkPermission?this._permissions[this._win.webkitNotifications.checkPermission()]:navigator.mozNotification?this.GRANTED:this._win.external&&this._win.external.msIsSiteMode?this._win.external.msIsSiteMode()?this.GRANTED:this.DEFAULT:this.GRANTED}}]),i}(),a=function(){function n(){t(this,n)}return e(n,null,[{key:"isUndefined",value:function(i){return void 0===i}},{key:"isString",value:function(i){return"string"==typeof i}},{key:"isFunction",value:function(i){return i&&"[object Function]"==={}.toString.call(i)}},{key:"isObject",value:function(t){return"object"===i(t)}},{key:"objectMerge",value:function(i,t){for(var n in t)i.hasOwnProperty(n)&&this.isObject(i[n])&&this.isObject(t[n])?this.objectMerge(i[n],t[n]):i[n]=t[n]}}]),n}(),u=function i(n){t(this,i),this._win=n},f=function(i){function n(){return t(this,n),r(this,(n.__proto__||Object.getPrototypeOf(n)).apply(this,arguments))}return o(n,u),e(n,[{key:"isSupported",value:function(){return void 0!==this._win.Notification}},{key:"create",value:function(i,t){return new this._win.Notification(i,{icon:a.isString(t.icon)||a.isUndefined(t.icon)?t.icon:t.icon.x32,body:t.body,tag:t.tag,requireInteraction:t.requireInteraction})}},{key:"close",value:function(i){i.close()}}]),n}(),h=function(i){function n(){return t(this,n),r(this,(n.__proto__||Object.getPrototypeOf(n)).apply(this,arguments))}return o(n,u),e(n,[{key:"isSupported",value:function(){return void 0!==this._win.navigator&&void 0!==this._win.navigator.serviceWorker}},{key:"getFunctionBody",value:function(i){var t=i.toString().match(/function[^{]+{([\s\S]*)}$/);return void 0!==t&&null!==t&&t.length>1?t[1]:null}},{key:"create",value:function(i,t,n,e,o){var r=this;this._win.navigator.serviceWorker.register(e),this._win.navigator.serviceWorker.ready.then(function(e){var c={id:i,link:n.link,origin:document.location.href,onClick:a.isFunction(n.onClick)?r.getFunctionBody(n.onClick):"",onClose:a.isFunction(n.onClose)?r.getFunctionBody(n.onClose):""};void 0!==n.data&&null!==n.data&&(c=Object.assign(c,n.data)),e.showNotification(t,{icon:n.icon,body:n.body,vibrate:n.vibrate,tag:n.tag,data:c,requireInteraction:n.requireInteraction,silent:n.silent}).then(function(){e.getNotifications().then(function(i){e.active.postMessage(""),o(i)})}).catch(function(i){throw new Error(s.errors.sw_notification_error+i.message)})}).catch(function(i){throw new Error(s.errors.sw_registration_error+i.message)})}},{key:"close",value:function(){}}]),n}(),l=function(i){function n(){return t(this,n),r(this,(n.__proto__||Object.getPrototypeOf(n)).apply(this,arguments))}return o(n,u),e(n,[{key:"isSupported",value:function(){return void 0!==this._win.navigator.mozNotification}},{key:"create",value:function(i,t){var n=this._win.navigator.mozNotification.createNotification(i,t.body,t.icon);return n.show(),n}}]),n}(),_=function(i){function n(){return t(this,n),r(this,(n.__proto__||Object.getPrototypeOf(n)).apply(this,arguments))}return o(n,u),e(n,[{key:"isSupported",value:function(){return void 0!==this._win.external&&void 0!==this._win.external.msIsSiteMode}},{key:"create",value:function(i,t){return this._win.external.msSiteModeClearIconOverlay(),this._win.external.msSiteModeSetIconOverlay(a.isString(t.icon)||a.isUndefined(t.icon)?t.icon:t.icon.x16,i),this._win.external.msSiteModeActivate(),null}},{key:"close",value:function(){this._win.external.msSiteModeClearIconOverlay()}}]),n}(),v=function(i){function n(){return t(this,n),r(this,(n.__proto__||Object.getPrototypeOf(n)).apply(this,arguments))}return o(n,u),e(n,[{key:"isSupported",value:function(){return void 0!==this._win.webkitNotifications}},{key:"create",value:function(i,t){var n=this._win.webkitNotifications.createNotification(t.icon,i,t.body);return n.show(),n}},{key:"close",value:function(i){i.cancel()}}]),n}();return new(function(){function i(n){t(this,i),this._currentId=0,this._notifications={},this._win=n,this.Permission=new c(n),this._agents={desktop:new f(n),chrome:new h(n),firefox:new l(n),ms:new _(n),webkit:new v(n)},this._configuration={serviceWorker:"/serviceWorker.min.js",fallback:function(i){}}}return e(i,[{key:"_closeNotification",value:function(i){var t=!0,n=this._notifications[i];if(void 0!==n){if(t=this._removeNotification(i),this._agents.desktop.isSupported())this._agents.desktop.close(n);else if(this._agents.webkit.isSupported())this._agents.webkit.close(n);else{if(!this._agents.ms.isSupported())throw t=!1,new Error(s.errors.unknown_interface);this._agents.ms.close()}return t}return!1}},{key:"_addNotification",value:function(i){var t=this._currentId;return this._notifications[t]=i,this._currentId++,t}},{key:"_removeNotification",value:function(i){var t=!1;return this._notifications.hasOwnProperty(i)&&(delete this._notifications[i],t=!0),t}},{key:"_prepareNotification",value:function(i,t){var n,e=this;return n={get:function(){return e._notifications[i]},close:function(){e._closeNotification(i)}},t.timeout&&setTimeout(function(){n.close()},t.timeout),n}},{key:"_serviceWorkerCallback",value:function(i,t,n){var e=this,o=this._addNotification(i[i.length-1]);navigator&&navigator.serviceWorker&&(navigator.serviceWorker.addEventListener("message",function(i){var t=JSON.parse(i.data);"close"===t.action&&Number.isInteger(t.id)&&e._removeNotification(t.id)}),n(this._prepareNotification(o,t))),n(null)}},{key:"_createCallback",value:function(i,t,n){var e,o=this,r=null;if(t=t||{},e=function(i){o._removeNotification(i),a.isFunction(t.onClose)&&t.onClose.call(o,r)},this._agents.desktop.isSupported())try{r=this._agents.desktop.create(i,t)}catch(e){var s=this._currentId,c=this.config().serviceWorker,u=function(i){return o._serviceWorkerCallback(i,t,n)};this._agents.chrome.isSupported()&&this._agents.chrome.create(s,i,t,c,u)}else this._agents.webkit.isSupported()?r=this._agents.webkit.create(i,t):this._agents.firefox.isSupported()?this._agents.firefox.create(i,t):this._agents.ms.isSupported()?r=this._agents.ms.create(i,t):(t.title=i,this.config().fallback(t));if(null!==r){var f=this._addNotification(r),h=this._prepareNotification(f,t);a.isFunction(t.onShow)&&r.addEventListener("show",t.onShow),a.isFunction(t.onError)&&r.addEventListener("error",t.onError),a.isFunction(t.onClick)&&r.addEventListener("click",t.onClick),r.addEventListener("close",function(){e(f)}),r.addEventListener("cancel",function(){e(f)}),n(h)}n(null)}},{key:"create",value:function(i,t){var n,e=this;if(!a.isString(i))throw new Error(s.errors.invalid_title);return n=this.Permission.has()?function(n,o){try{e._createCallback(i,t,n)}catch(i){o(i)}}:function(n,o){e.Permission.request().then(function(){e._createCallback(i,t,n)}).catch(function(){o(s.errors.permission_denied)})},new Promise(n)}},{key:"count",value:function(){var i,t=0;for(i in this._notifications)this._notifications.hasOwnProperty(i)&&t++;return t}},{key:"close",value:function(i){var t;for(t in this._notifications)if(this._notifications.hasOwnProperty(t)&&this._notifications[t].tag===i)return this._closeNotification(t)}},{key:"clear",value:function(){var i,t=!0;for(i in this._notifications)this._notifications.hasOwnProperty(i)&&(t=t&&this._closeNotification(i));return t}},{key:"supported",value:function(){var i=!1;for(var t in this._agents)this._agents.hasOwnProperty(t)&&(i=i||this._agents[t].isSupported());return i}},{key:"config",value:function(i){return(void 0!==i||null!==i&&a.isObject(i))&&a.objectMerge(this._configuration,i),this._configuration}},{key:"extend",value:function(i){var t,n={}.hasOwnProperty;if(!n.call(i,"plugin"))throw new Error(s.errors.invalid_plugin);n.call(i,"config")&&a.isObject(i.config)&&null!==i.config&&this.config(i.config),t=new(0,i.plugin)(this.config());for(var e in t)n.call(t,e)&&a.isFunction(t[e])&&(this[e]=t[e])}}]),i}())("undefined"!=typeof window?window:global)});
  //# sourceMappingURL=push.min.js.map
  