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/**
 * @license
 * Copyright (c) 2017 The Polymer Project Authors. All rights reserved.
 * This code may only be used under the BSD style license found at
 * http://polymer.github.io/LICENSE.txt
 * The complete set of authors may be found at
 * http://polymer.github.io/AUTHORS.txt
 * The complete set of contributors may be found at
 * http://polymer.github.io/CONTRIBUTORS.txt
 * Code distributed by Google as part of the polymer project is also
 * subject to an additional IP rights grant found at
 * http://polymer.github.io/PATENTS.txt
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/**
 * @license
 * Copyright (c) 2017 The Polymer Project Authors. All rights reserved.
 * This code may only be used under the BSD style license found at
 * http://polymer.github.io/LICENSE.txt
 * The complete set of authors may be found at
 * http://polymer.github.io/AUTHORS.txt
 * The complete set of contributors may be found at
 * http://polymer.github.io/CONTRIBUTORS.txt
 * Code distributed by Google as part of the polymer project is also
 * subject to an additional IP rights grant found at
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/**
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 * Copyright (c) 2017 The Polymer Project Authors. All rights reserved.
 * This code may only be used under the BSD style license found at
 * http://polymer.github.io/LICENSE.txt
 * The complete set of authors may be found at
 * http://polymer.github.io/AUTHORS.txt
 * The complete set of contributors may be found at
 * http://polymer.github.io/CONTRIBUTORS.txt
 * Code distributed by Google as part of the polymer project is also
 * subject to an additional IP rights grant found at
 * http://polymer.github.io/PATENTS.txt
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/**
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 * Copyright (c) 2017 The Polymer Project Authors. All rights reserved.
 * This code may only be used under the BSD style license found at
 * http://polymer.github.io/LICENSE.txt
 * The complete set of authors may be found at
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 * The complete set of contributors may be found at
 * http://polymer.github.io/CONTRIBUTORS.txt
 * Code distributed by Google as part of the polymer project is also
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/**
 * @license
 * Copyright (c) 2017 The Polymer Project Authors. All rights reserved.
 * This code may only be used under the BSD style license found at
 * http://polymer.github.io/LICENSE.txt
 * The complete set of authors may be found at
 * http://polymer.github.io/AUTHORS.txt
 * The complete set of contributors may be found at
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 * Code distributed by Google as part of the polymer project is also
 * subject to an additional IP rights grant found at
 * http://polymer.github.io/PATENTS.txt
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/**
 * @license
 * Copyright (c) 2017 The Polymer Project Authors. All rights reserved.
 * This code may only be used under the BSD style license found at
 * http://polymer.github.io/LICENSE.txt
 * The complete set of authors may be found at
 * http://polymer.github.io/AUTHORS.txt
 * The complete set of contributors may be found at
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 * Code distributed by Google as part of the polymer project is also
 * subject to an additional IP rights grant found at
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/**
 * @license
 * Copyright (c) 2017 The Polymer Project Authors. All rights reserved.
 * This code may only be used under the BSD style license found at
 * http://polymer.github.io/LICENSE.txt
 * The complete set of authors may be found at
 * http://polymer.github.io/AUTHORS.txt
 * The complete set of contributors may be found at
 * http://polymer.github.io/CONTRIBUTORS.txt
 * Code distributed by Google as part of the polymer project is also
 * subject to an additional IP rights grant found at
 * http://polymer.github.io/PATENTS.txt
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 * Copyright (c) 2017 The Polymer Project Authors. All rights reserved.
 * This code may only be used under the BSD style license found at
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 * The complete set of authors may be found at
 * http://polymer.github.io/AUTHORS.txt
 * The complete set of contributors may be found at
 * http://polymer.github.io/CONTRIBUTORS.txt
 * Code distributed by Google as part of the polymer project is also
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/**
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 * Copyright (c) 2017 The Polymer Project Authors. All rights reserved.
 * This code may only be used under the BSD style license found at
 * http://polymer.github.io/LICENSE.txt
 * The complete set of authors may be found at
 * http://polymer.github.io/AUTHORS.txt
 * The complete set of contributors may be found at
 * http://polymer.github.io/CONTRIBUTORS.txt
 * Code distributed by Google as part of the polymer project is also
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/**
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 * Copyright (c) 2017 The Polymer Project Authors. All rights reserved.
 * This code may only be used under the BSD style license found at
 * http://polymer.github.io/LICENSE.txt
 * The complete set of authors may be found at
 * http://polymer.github.io/AUTHORS.txt
 * The complete set of contributors may be found at
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 * Code distributed by Google as part of the polymer project is also
 * subject to an additional IP rights grant found at
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0)}disconnectedCallback(){}attributeChangedCallback(t,e,s){e!==s&&this._attributeToProperty(t,s)}_propertyToAttribute(t,e,s=H){const i=this.constructor,n=i._attributeNameForProperty(t,s);if(void 0!==n){const t=i._propertyValueToAttribute(e,s);if(void 0===t)return;this._updateState=8|this._updateState,null==t?this.removeAttribute(n):this.setAttribute(n,t),this._updateState=-9&this._updateState}}_attributeToProperty(t,e){if(8&this._updateState)return;const s=this.constructor,i=s._attributeToPropertyMap.get(t);if(void 0!==i){const t=s.getPropertyOptions(i);this._updateState=16|this._updateState,this[i]=s._propertyValueFromAttribute(e,t),this._updateState=-17&this._updateState}}requestUpdateInternal(t,e,s){let i=!0;if(void 0!==t){const n=this.constructor;s=s||n.getPropertyOptions(t),n._valueHasChanged(this[t],e,s.hasChanged)?(this._changedProperties.has(t)||this._changedProperties.set(t,e),!0!==s.reflect||16&this._updateState||(void 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updateComplete(){return this._getUpdateComplete()}_getUpdateComplete(){return this.getUpdateComplete()}getUpdateComplete(){return this._updatePromise}shouldUpdate(t){return!0}update(t){void 0!==this._reflectingProperties&&this._reflectingProperties.size>0&&(this._reflectingProperties.forEach(((t,e)=>this._propertyToAttribute(e,this[e],t))),this._reflectingProperties=void 0),this._markUpdated()}updated(t){}firstUpdated(t){}}D.finalized=!0;
/**
 * @license
 * Copyright (c) 2017 The Polymer Project Authors. All rights reserved.
 * This code may only be used under the BSD style license found at
 * http://polymer.github.io/LICENSE.txt
 * The complete set of authors may be found at
 * http://polymer.github.io/AUTHORS.txt
 * The complete set of contributors may be found at
 * http://polymer.github.io/CONTRIBUTORS.txt
 * Code distributed by Google as part of the polymer project is also
 * subject to an additional IP rights grant found at
 * http://polymer.github.io/PATENTS.txt
 */
const J=(t,e)=>"method"===e.kind&&e.descriptor&&!("value"in e.descriptor)?Object.assign(Object.assign({},e),{finisher(s){s.createProperty(e.key,t)}}):{kind:"field",key:Symbol(),placement:"own",descriptor:{},initializer(){"function"==typeof e.initializer&&(this[e.key]=e.initializer.call(this))},finisher(s){s.createProperty(e.key,t)}};function G(t){return(e,s)=>void 0!==s?((t,e,s)=>{e.constructor.createProperty(s,t)})(t,e,s):J(t,e)}
/**
@license
Copyright (c) 2019 The Polymer Project Authors. All rights reserved.
This code may only be used under the BSD style license found at
http://polymer.github.io/LICENSE.txt The complete set of authors may be found at
http://polymer.github.io/AUTHORS.txt The complete set of contributors may be
found at http://polymer.github.io/CONTRIBUTORS.txt Code distributed by Google as
part of the polymer project is also subject to an additional IP rights grant
found at http://polymer.github.io/PATENTS.txt
*/const K=window.ShadowRoot&&(void 0===window.ShadyCSS||window.ShadyCSS.nativeShadow)&&"adoptedStyleSheets"in Document.prototype&&"replace"in CSSStyleSheet.prototype,Y=Symbol();class Z{constructor(t,e){if(e!==Y)throw new Error("CSSResult is not constructable. Use `unsafeCSS` or `css` instead.");this.cssText=t}get styleSheet(){return void 0===this._styleSheet&&(K?(this._styleSheet=new CSSStyleSheet,this._styleSheet.replaceSync(this.cssText)):this._styleSheet=null),this._styleSheet}toString(){return this.cssText}}const Q=(t,...e)=>{const s=e.reduce(((e,s,i)=>e+(t=>{if(t instanceof Z)return t.cssText;if("number"==typeof t)return t;throw new Error(`Value passed to 'css' function must be a 'css' function result: ${t}. Use 'unsafeCSS' to pass non-literal values, but\n            take care to ensure page security.`)})(s)+t[i+1]),t[0]);return new Z(s,Y)};
/**
 * @license
 * Copyright (c) 2017 The Polymer Project Authors. All rights reserved.
 * This code may only be used under the BSD style license found at
 * http://polymer.github.io/LICENSE.txt
 * The complete set of authors may be found at
 * http://polymer.github.io/AUTHORS.txt
 * The complete set of contributors may be found at
 * http://polymer.github.io/CONTRIBUTORS.txt
 * Code distributed by Google as part of the polymer project is also
 * subject to an additional IP rights grant found at
 * http://polymer.github.io/PATENTS.txt
 */
(window.litElementVersions||(window.litElementVersions=[])).push("2.5.1");const X={};class tt extends D{static getStyles(){return this.styles}static _getUniqueStyles(){if(this.hasOwnProperty(JSCompiler_renameProperty("_styles",this)))return;const t=this.getStyles();if(Array.isArray(t)){const e=(t,s)=>t.reduceRight(((t,s)=>Array.isArray(s)?e(s,t):(t.add(s),t)),s),s=e(t,new Set),i=[];s.forEach((t=>i.unshift(t))),this._styles=i}else this._styles=void 0===t?[]:[t];this._styles=this._styles.map((t=>{if(t instanceof CSSStyleSheet&&!K){const e=Array.prototype.slice.call(t.cssRules).reduce(((t,e)=>t+e.cssText),"");return new Z(String(e),Y)}return t}))}initialize(){super.initialize(),this.constructor._getUniqueStyles(),this.renderRoot=this.createRenderRoot(),window.ShadowRoot&&this.renderRoot instanceof window.ShadowRoot&&this.adoptStyles()}createRenderRoot(){return this.attachShadow(this.constructor.shadowRootOptions)}adoptStyles(){const t=this.constructor._styles;0!==t.length&&(void 0===window.ShadyCSS||window.ShadyCSS.nativeShadow?K?this.renderRoot.adoptedStyleSheets=t.map((t=>t instanceof CSSStyleSheet?t:t.styleSheet)):this._needsShimAdoptedStyleSheets=!0:window.ShadyCSS.ScopingShim.prepareAdoptedCssText(t.map((t=>t.cssText)),this.localName))}connectedCallback(){super.connectedCallback(),this.hasUpdated&&void 0!==window.ShadyCSS&&window.ShadyCSS.styleElement(this)}update(t){const e=this.render();super.update(t),e!==X&&this.constructor.render(e,this.renderRoot,{scopeName:this.localName,eventContext:this}),this._needsShimAdoptedStyleSheets&&(this._needsShimAdoptedStyleSheets=!1,this.constructor._styles.forEach((t=>{const e=document.createElement("style");e.textContent=t.cssText,this.renderRoot.appendChild(e)})))}render(){return X}}tt.finalized=!0,tt.render=(t,s,i)=>{if(!i||"object"!=typeof i||!i.scopeName)throw new Error("The `scopeName` option is required.");const n=i.scopeName,r=R.has(s),o=j&&11===s.nodeType&&!!s.host,a=o&&!z.has(n),l=a?document.createDocumentFragment():s;if(((t,s,i)=>{let n=R.get(s);void 0===n&&(e(s,s.firstChild),R.set(s,n=new T(Object.assign({templateFactory:O},i))),n.appendInto(s)),n.setValue(t),n.commit()})(t,l,Object.assign({templateFactory:I(n)},i)),a){const t=R.get(l);R.delete(l);const i=t.value instanceof y?t.value.template:void 0;F(n,l,i),e(s,s.firstChild),s.appendChild(l),R.set(s,t)}!r&&o&&window.ShadyCSS.styleElement(s.host)},tt.shadowRootOptions={mode:"open"};var et=function(t,e,s,i){var n,r=arguments.length,o=r<3?e:null===i?i=Object.getOwnPropertyDescriptor(e,s):i;if("object"==typeof Reflect&&"function"==typeof Reflect.decorate)o=Reflect.decorate(t,e,s,i);else for(var a=t.length-1;a>=0;a--)(n=t[a])&&(o=(r<3?n(o):r>3?n(e,s,o):n(e,s))||o);return r>3&&o&&Object.defineProperty(e,s,o),o};let st=class extends tt{constructor(){super(...arguments),this.swpath="/pwabuilder-sw.js",this.updateevent="SKIP_WAITING",this.updatemessage="An update for this app is available",this.readyToAsk=!1,this.showStorageEstimate=!1,this.showOfflineToast=!1,this.offlineToastDuration=2400,this.storageUsed=null}static get styles(){return Q`:host{font-family:sans-serif;--toast-background:#3c3c3c;--button-background:#0b0b0b}#updateToast{position:fixed;bottom:16px;right:16px;background:var(--toast-background);color:#fff;padding:1em;border-radius:4px;display:flex;align-items:center;justify-content:space-between;min-width:22em;max-width:calc(100vw - 16px);font-weight:600;animation-name:fadein;animation-duration:.3s}#storageToast{position:fixed;bottom:16px;right:16px;background:var(--toast-background);color:#fff;padding:1em;border-radius:4px;display:flex;max-width:calc(100vw - 16px);flex-direction:column;align-items:flex-end;font-weight:600}#storageEstimate{font-size:10px;margin-top:8px}#updateToast button{color:#fff;border:none;background:var(--button-background);padding:8px;border-radius:24px;text-transform:lowercase;padding-left:14px;padding-right:14px;font-weight:700}@keyframes fadein{from{opacity:0}to{opacity:1}}`}async firstUpdated(){var t,e;if(this.swpath&&"serviceWorker"in navigator){const s=await navigator.serviceWorker.register(this.swpath);if(s.installing&&navigator.storage){const s=await navigator.storage.estimate();if(s){this.storageUsed=this.formatBytes(s.usage),this.showOfflineToast=!0,await this.updateComplete;const i=null===(e=null===(t=this.shadowRoot)||void 0===t?void 0:t.querySelector("#storageToast"))||void 0===e?void 0:e.animate([{opacity:0},{opacity:1}],{fill:"forwards",duration:280});i&&setTimeout((async()=>{i.onfinish=()=>{this.showOfflineToast=!1},await i.reverse()}),this.offlineToastDuration)}}s.onupdatefound=async()=>{let t=s.installing;t&&(t.onstatechange=()=>{"installed"===(null==t?void 0:t.state)&&this.dispatchEvent(new Event("pwaUpdate"))})}}this.setupEvents()}setupEvents(){this.addEventListener("pwaUpdate",(async()=>{navigator.serviceWorker&&(this.swreg=await navigator.serviceWorker.getRegistration(),this.swreg&&this.swreg.waiting&&(this.readyToAsk=!0))}))}doUpdate(){var t,e;null===(e=null===(t=this.swreg)||void 0===t?void 0:t.waiting)||void 0===e||e.postMessage({type:this.updateevent}),window.location.reload()}formatBytes(t,e=2){if(0===t)return"0 Bytes";const s=e<0?0:e,i=Math.floor(Math.log(t)/Math.log(1024));return parseFloat((t/Math.pow(1024,i)).toFixed(s))+" "+["Bytes","KB","MB","GB","TB","PB","EB","ZB","YB"][i]}render(){return B`<div>${this.readyToAsk?B`<div id="updateToast" part="updateToast"><span>${this.updatemessage}</span> <button @click="${()=>this.doUpdate()}">Update</button></div>`:null} ${this.showOfflineToast?B`<div id="storageToast" part="offlineToast">Ready to use Offline ${this.showStorageEstimate?B`<span id="storageEstimate">Cached ${this.storageUsed}</span>`:null}</div>`:null}</div>`}};var it;et([G({type:String})],st.prototype,"swpath",void 0),et([G({type:String})],st.prototype,"updateevent",void 0),et([G({type:String})],st.prototype,"updatemessage",void 0),et([G({type:Boolean})],st.prototype,"readyToAsk",void 0),et([G({type:Boolean})],st.prototype,"showStorageEstimate",void 0),et([G({type:Boolean})],st.prototype,"showOfflineToast",void 0),et([G({type:Number})],st.prototype,"offlineToastDuration",void 0),et([G({type:String})],st.prototype,"storageUsed",void 0),st=et([(it="pwa-update",t=>"function"==typeof t?((t,e)=>(window.customElements.define(t,e),e))(it,t):((t,e)=>{const{kind:s,elements:i}=e;return{kind:s,elements:i,finisher(e){window.customElements.define(t,e)}}})(it,t))],st);export{st as pwaupdate};
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