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 typedarray.js
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    m["no-fcm-token-for-resubscribe"]="Could not find an FCM token and as a result, unable to resubscribe. Will have to resubscribe the user on next visit.",m["failed-to-delete-token"]="Unable to delete the currently saved token.",m["no-sw-in-reg"]="Even though the service worker registration was successful, there was a problem accessing the service worker itself.",m["incorrect-gcm-sender-id"]="Please change your web app manifest's 'gcm_sender_id' value to '103953800507' to use Firebase messaging.",m);var q={userVisibleOnly:!0,applicationServerKey:new Uint8Array([4,51,148,247,223,161,235,177,220,3,162,94,21,113,219,72,211,46,237,237,178,52,219,183,71,58,12,143,196,204,225,111,60,140,132,223,171,182,102,62,242,12,212,139,254,227,249,118,47,20,28,99,8,106,111,45,177,26,149,176,206,55,192,156,110])};var r=function(a,b){var c={};return c["firebase-messaging-msg-type"]=a,c["firebase-messaging-msg-data"]=b,c};var u=function(a){if(Error.captureStackTrace)Error.captureStackTrace(this,u);else{var b=Error().stack;b&&(this.stack=b)}a&&(this.message=String(a))};k(u,Error);var v=function(a,b){for(var c=a.split("%s"),d="",e=Array.prototype.slice.call(arguments,1);e.length&&1<c.length;)d+=c.shift()+e.shift();return d+c.join("%s")};var w=function(a,b){b.unshift(a);u.call(this,v.apply(null,b));b.shift()};k(w,u);var x=function(a,b,c){if(!a){var d="Assertion failed";if(b)var d=d+(": "+b),e=Array.prototype.slice.call(arguments,2);throw new w(""+d,e||[]);}};var y=null;var A=function(a){a=new Uint8Array(a);var b=h(a);x("array"==b||"object"==b&&"number"==typeof a.length,"encodeByteArray takes an array as a parameter");if(!y)for(y={},b=0;65>b;b++)y[b]="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=".charAt(b);for(var b=y,c=[],d=0;d<a.length;d+=3){var e=a[d],n=d+1<a.length,l=n?a[d+1]:0,z=d+2<a.length,t=z?a[d+2]:0,M=e>>2,e=(e&3)<<4|l>>4,l=(l&15)<<2|t>>6,t=t&63;z||(t=64,n||(l=64));c.push(b[M],b[e],b[l],b[t])}return c.join("").replace(/\+/g,"-").replace(/\//g,
    "_").replace(/=+$/,"")};var B=new firebase.INTERNAL.ErrorFactory("messaging","Messaging",p),C=function(){this.a=null},D=function(a){if(a.a)return a.a;a.a=new Promise(function(a,c){var b=g.indexedDB.open("fcm_token_details_db",1);b.onerror=function(a){c(a.target.error)};b.onsuccess=function(b){a(b.target.result)};b.onupgradeneeded=function(a){a=a.target.result.createObjectStore("fcm_token_object_Store",{keyPath:"swScope"});a.createIndex("fcmSenderId","fcmSenderId",{unique:!1});a.createIndex("fcmToken","fcmToken",{unique:!0})}});
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    l.onerror=function(a){e(a.target.error)};l.onsuccess=function(a){(a=a.target.result)?(a.value.fcmSenderId===b&&d.push(a.value),a.continue()):c(d)}})})},H=function(a,b,c){var d=A(b.getKey("p256dh")),e=A(b.getKey("auth"));a="authorized_entity="+a+"&"+("endpoint="+b.endpoint+"&")+("encryption_key="+d+"&")+("encryption_auth="+e);c&&(a+="&pushSet="+c);c=new Headers;c.append("Content-Type","application/x-www-form-urlencoded");return fetch("https://fcm.googleapis.com/fcm/connect/subscribe",{method:"POST",
    headers:c,body:a}).then(function(a){return a.json()}).then(function(a){if(a.error)throw B.create("token-subscribe-failed",{message:a.error.message});if(!a.token)throw B.create("token-subscribe-no-token");if(!a.pushSet)throw B.create("token-subscribe-no-push-set");return{token:a.token,pushSet:a.pushSet}})},I=function(a,b,c,d,e,n){var l={swScope:c.scope,endpoint:d.endpoint,auth:A(d.getKey("auth")),p256dh:A(d.getKey("p256dh")),fcmToken:e,fcmPushSet:n,fcmSenderId:b};return D(a).then(function(a){return new Promise(function(b,
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                c){var d=a.transaction(["fcm_token_object_Store"],"readwrite").objectStore("fcm_token_object_Store").put(l);d.onerror=function(a){c(a.target.error)};d.onsuccess=function(){b()}})})};
    C.prototype.i=function(a,b){return b instanceof ServiceWorkerRegistration?"string"!==typeof a||0===a.length?Promise.reject(B.create("bad-sender-id")):G(this,a).then(function(c){if(0!==c.length){var d=c.findIndex(function(c){return b.scope===c.swScope&&a===c.fcmSenderId});if(-1!==d)return c[d]}}).then(function(a){if(a)return b.pushManager.getSubscription().catch(function(){throw B.create("get-subscription-failed");}).then(function(b){var c;if(c=b)c=b.endpoint===a.endpoint&&A(b.getKey("auth"))===a.auth&&
        A(b.getKey("p256dh"))===a.p256dh;if(c)return a.fcmToken})}):Promise.reject(B.create("sw-registration-expected"))};C.prototype.getSavedToken=C.prototype.i;
    C.prototype.h=function(a,b){var c=this;return"string"!==typeof a||0===a.length?Promise.reject(B.create("bad-sender-id")):b instanceof ServiceWorkerRegistration?b.pushManager.getSubscription().then(function(a){return a?a:b.pushManager.subscribe(q)}).then(function(d){return H(a,d).then(function(e){return I(c,a,b,d,e.token,e.pushSet).then(function(){return e.token})})}):Promise.reject(B.create("sw-registration-expected"))};C.prototype.createToken=C.prototype.h;
    C.prototype.deleteToken=function(a){var b=this;return"string"!==typeof a||0===a.length?Promise.reject(B.create("invalid-delete-token")):F(this,a).then(function(a){if(!a)throw B.create("delete-token-not-found");return D(b).then(function(b){return new Promise(function(c,d){var e=b.transaction(["fcm_token_object_Store"],"readwrite").objectStore("fcm_token_object_Store").delete(a.swScope);e.onerror=function(a){d(a.target.error)};e.onsuccess=function(b){0===b.target.result?d(B.create("failed-to-delete-token")):
        c(a)}})})})};var J=function(a){var b=this;this.a=new firebase.INTERNAL.ErrorFactory("messaging","Messaging",p);if(!a.options.messagingSenderId||"string"!==typeof a.options.messagingSenderId)throw this.a.create("bad-sender-id");this.l=a.options.messagingSenderId;this.c=new C;this.app=a;this.INTERNAL={};this.INTERNAL.delete=function(){return b.delete}};
    J.prototype.getToken=function(){var a=this,b=Notification.permission;return"granted"!==b?"denied"===b?Promise.reject(this.a.create("notifications-blocked")):Promise.resolve(null):this.f().then(function(b){return a.c.i(a.l,b).then(function(c){return c?c:a.c.h(a.l,b)})})};J.prototype.getToken=J.prototype.getToken;J.prototype.deleteToken=function(a){var b=this;return this.c.deleteToken(a).then(function(){return b.f()}).then(function(a){return a?a.pushManager.getSubscription():null}).then(function(a){if(a)return a.unsubscribe()})};
    J.prototype.deleteToken=J.prototype.deleteToken;J.prototype.f=function(){throw this.a.create("should-be-overriden");};J.prototype.requestPermission=function(){throw this.a.create("only-available-in-window");};J.prototype.useServiceWorker=function(){throw this.a.create("only-available-in-window");};J.prototype.useServiceWorker=J.prototype.useServiceWorker;J.prototype.onMessage=function(){throw this.a.create("only-available-in-window");};J.prototype.onMessage=J.prototype.onMessage;
    J.prototype.onTokenRefresh=function(){throw this.a.create("only-available-in-window");};J.prototype.onTokenRefresh=J.prototype.onTokenRefresh;J.prototype.setBackgroundMessageHandler=function(){throw this.a.create("only-available-in-sw");};J.prototype.setBackgroundMessageHandler=J.prototype.setBackgroundMessageHandler;J.prototype.delete=function(){E(this.c)};var K=self,P=function(a){J.call(this,a);var b=this;this.a=new firebase.INTERNAL.ErrorFactory("messaging","Messaging",p);K.addEventListener("push",function(a){return L(b,a)},!1);K.addEventListener("pushsubscriptionchange",function(a){return N(b,a)},!1);K.addEventListener("notificationclick",function(a){return O(b,a)},!1);this.b=null};f(P,J);
    var L=function(a,b){var c;try{c=b.data.json()}catch(e){return}var d=Q().then(function(b){if(b){if(c.notification||a.b)return R(a,c)}else{if((b=c)&&"object"===typeof b.notification){var d=Object.assign({},b.notification),e={};d.data=(e.FCM_MSG=b,e);b=d}else b=void 0;if(b)return K.registration.showNotification(b.title||"",b);if(a.b)return a.b(c)}});b.waitUntil(d)},N=function(a,b){var c=a.getToken().then(function(b){if(!b)throw a.a.create("no-fcm-token-for-resubscribe");var c=a.c;return F(c,b).then(function(b){if(!b)throw a.a.create("invalid-saved-token");
        return K.registration.pushManager.subscribe(q).then(function(a){return H(b.w,a,b.v)}).catch(function(d){return c.deleteToken(b.A).then(function(){throw a.a.create("unable-to-resubscribe",{message:d});})})})});b.waitUntil(c)},O=function(a,b){if(b.notification&&b.notification.data&&b.notification.data.FCM_MSG){b.stopImmediatePropagation();b.notification.close();var c=b.notification.data.FCM_MSG,d=c.notification.click_action;if(d){var e=S(d).then(function(a){return a?a:K.clients.openWindow(d)}).then(function(b){if(b)return delete c.notification,
        T(a,b,r("notification-clicked",c))});b.waitUntil(e)}}};P.prototype.setBackgroundMessageHandler=function(a){if(a&&"function"!==typeof a)throw this.a.create("bg-handler-function-expected");this.b=a};P.prototype.setBackgroundMessageHandler=P.prototype.setBackgroundMessageHandler;
    var S=function(a){var b=(new URL(a)).href;return K.clients.matchAll({type:"window",includeUncontrolled:!0}).then(function(a){for(var c=null,e=0;e<a.length;e++)if((new URL(a[e].url)).href===b){c=a[e];break}if(c)return c.focus(),c})},T=function(a,b,c){return new Promise(function(d,e){if(!b)return e(a.a.create("no-window-client-to-msg"));b.postMessage(c);d()})},Q=function(){return K.clients.matchAll({type:"window",includeUncontrolled:!0}).then(function(a){return a.some(function(a){return"visible"===
        a.visibilityState})})},R=function(a,b){return K.clients.matchAll({type:"window",includeUncontrolled:!0}).then(function(c){var d=r("push-msg-received",b);return Promise.all(c.map(function(b){return T(a,b,d)}))})};P.prototype.f=function(){return Promise.resolve(K.registration)};var V=function(a){J.call(this,a);var b=this;this.j=null;this.m=firebase.INTERNAL.createSubscribe(function(a){b.j=a});this.s=null;this.o=firebase.INTERNAL.createSubscribe(function(a){b.s=a});U(this)};f(V,J);
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