Method createRenderRoot

lib/json-viewer.bundle.js:11–11

()

     * Copyright 2017 Google LLC
     * SPDX-License-Identifier: BSD-3-Clause
     */;var h;const c=window,a=c.trustedTypes,u=a?a.emptyScript:"",d=c.reactiveElementPolyfillSupport,v={toAttribute(t,i){switch(i){case Boolean:t=t?u:null;break;case Object:case Array:t=null==t?t:JSON.stringify(t)}return t},fromAttribute(t,i){let e=t;switch(i){case Boolean:e=null!==t;break;case Number:e=null===t?null:Number(t);break;case Object:case Array:try{e=JSON.parse(t)}catch(t){e=null}}return e}},f=(t,i)=>i!==t&&(i==i||t==t),p={attribute:!0,type:String,converter:v,reflect:!1,hasChanged:f};class b extends HTMLElement{constructor(){super(),this._$Ei=new Map,this.isUpdatePending=!1,this.hasUpdated=!1,this._$El=null,this.u()}static addInitializer(t){var i;null!==(i=this.h)&&void 0!==i||(this.h=[]),this.h.push(t)}static get observedAttributes(){this.finalize();const t=[];return this.elementProperties.forEach(((i,e)=>{const s=this._$Ep(e,i);void 0!==s&&(this._$Ev.set(s,e),t.push(s))})),t}static createProperty(t,i=p){if(i.state&&(i.attribute=!1),this.finalize(),this.elementProperties.set(t,i),!i.noAccessor&&!this.prototype.hasOwnProperty(t)){const e="symbol"==typeof t?Symbol():"__"+t,s=this.getPropertyDescriptor(t,e,i);void 0!==s&&Object.defineProperty(this.prototype,t,s)}}static getPropertyDescriptor(t,i,e){return{get(){return this[i]},set(s){const n=this[t];this[i]=s,this.requestUpdate(t,n,e)},configurable:!0,enumerable:!0}}static getPropertyOptions(t){return this.elementProperties.get(t)||p}static finalize(){if(this.hasOwnProperty("finalized"))return!1;this.finalized=!0;const t=Object.getPrototypeOf(this);if(t.finalize(),this.elementProperties=new Map(t.elementProperties),this._$Ev=new Map,this.hasOwnProperty("properties")){const t=this.properties,i=[...Object.getOwnPropertyNames(t),...Object.getOwnPropertySymbols(t)];for(const e of i)this.createProperty(e,t[e])}return this.elementStyles=this.finalizeStyles(this.styles),!0}static finalizeStyles(t){const i=[];if(Array.isArray(t)){const e=new Set(t.flat(1/0).reverse());for(const t of e)i.unshift(l(t))}else void 0!==t&&i.push(l(t));return i}static _$Ep(t,i){const e=i.attribute;return!1===e?void 0:"string"==typeof e?e:"string"==typeof t?t.toLowerCase():void 0}u(){var t;this._$E_=new Promise((t=>this.enableUpdating=t)),this._$AL=new Map,this._$Eg(),this.requestUpdate(),null===(t=this.constructor.h)||void 0===t||t.forEach((t=>t(this)))}addController(t){var i,e;(null!==(i=this._$ES)&&void 0!==i?i:this._$ES=[]).push(t),void 0!==this.renderRoot&&this.isConnected&&(null===(e=t.hostConnected)||void 0===e||e.call(t))}removeController(t){var i;null===(i=this._$ES)||void 0===i||i.splice(this._$ES.indexOf(t)>>>0,1)}_$Eg(){this.constructor.elementProperties.forEach(((t,i)=>{this.hasOwnProperty(i)&&(this._$Ei.set(i,this[i]),delete this[i])}))}createRenderRoot(){var t;const i=null!==(t=this.shadowRoot)&&void 0!==t?t:this.attachShadow(this.constructor.shadowRootOptions);return((t,i)=>{s?t.adoptedStyleSheets=i.map((t=>t instanceof CSSStyleSheet?t:t.styleSheet)):i.forEach((i=>{const s=document.createElement("style"),n=e.litNonce;void 0!==n&&s.setAttribute("nonce",n),s.textContent=i.cssText,t.appendChild(s)}))})(i,this.constructor.elementStyles),i}connectedCallback(){var t;void 0===this.renderRoot&&(this.renderRoot=this.createRenderRoot()),this.enableUpdating(!0),null===(t=this._$ES)||void 0===t||t.forEach((t=>{var i;return null===(i=t.hostConnected)||void 0===i?void 0:i.call(t)}))}enableUpdating(t){}disconnectedCallback(){var t;null===(t=this._$ES)||void 0===t||t.forEach((t=>{var i;return null===(i=t.hostDisconnected)||void 0===i?void 0:i.call(t)}))}attributeChangedCallback(t,i,e){this._$AK(t,e)}_$EO(t,i,e=p){var s;const n=this.constructor._$Ep(t,e);if(void 0!==n&&!0===e.reflect){const o=(void 0!==(null===(s=e.converter)||void 0===s?void 0:s.toAttribute)?e.converter:v).toAttribute(i,e.type);this._$El=t,null==o?this.removeAttribute(n):this.setAttribute(n,o),this._$El=null}}_$AK(t,i){var e;const s=this.constructor,n=s._$Ev.get(t);if(void 0!==n&&this._$El!==n){const t=s.getPropertyOptions(n),o="function"==typeof t.converter?{fromAttribute:t.converter}:void 0!==(null===(e=t.converter)||void 0===e?void 0:e.fromAttribute)?t.converter:v;this._$El=n,this[n]=o.fromAttribute(i,t.type),this._$El=null}}requestUpdate(t,i,e){let s=!0;void 0!==t&&(((e=e||this.constructor.getPropertyOptions(t)).hasChanged||f)(this[t],i)?(this._$AL.has(t)||this._$AL.set(t,i),!0===e.reflect&&this._$El!==t&&(void 0===this._$EC&&(this._$EC=new Map),this._$EC.set(t,e))):s=!1),!this.isUpdatePending&&s&&(this._$E_=this._$Ej())}async _$Ej(){this.isUpdatePending=!0;try{await this._$E_}catch(t){Promise.reject(t)}const t=this.scheduleUpdate();return null!=t&&await t,!this.isUpdatePending}scheduleUpdate(){return this.performUpdate()}performUpdate(){var t;if(!this.isUpdatePending)return;this.hasUpdated,this._$Ei&&(this._$Ei.forEach(((t,i)=>this[i]=t)),this._$Ei=void 0);let i=!1;const e=this._$AL;try{i=this.shouldUpdate(e),i?(this.willUpdate(e),null===(t=this._$ES)||void 0===t||t.forEach((t=>{var i;return null===(i=t.hostUpdate)||void 0===i?void 0:i.call(t)})),this.update(e)):this._$Ek()}catch(t){throw i=!1,this._$Ek(),t}i&&this._$AE(e)}willUpdate(t){}_$AE(t){var i;null===(i=this._$ES)||void 0===i||i.forEach((t=>{var i;return null===(i=t.hostUpdated)||void 0===i?void 0:i.call(t)})),this.hasUpdated||(this.hasUpdated=!0,this.firstUpdated(t)),this.updated(t)}_$Ek(){this._$AL=new Map,this.isUpdatePending=!1}get updateComplete(){return this.getUpdateComplete()}getUpdateComplete(){return this._$E_}shouldUpdate(t){return!0}update(t){void 0!==this._$EC&&(this._$EC.forEach(((t,i)=>this._$EO(i,this[i],t))),this._$EC=void 0),this._$Ek()}updated(t){}firstUpdated(t){}}
/**
     * @license
     * Copyright 2017 Google LLC