@sandlada/mdc/build/node_modules/@lit/reactive-element/reactive-element.js

@sandlada/mdc is an open source component library that follows the Material Design 3 design specifications.

import{adoptStyles as e,css as t,getCompatibleStyle as n,unsafeCSS as r}from"./css-tag.js";
/**
* @license
* Copyright 2017 Google LLC
* SPDX-License-Identifier: BSD-3-Clause
*/const{is:i,defineProperty:a,getOwnPropertyDescriptor:o,getOwnPropertyNames:s,getOwnPropertySymbols:c,getPrototypeOf:l}=Object,u=globalThis,d=u.trustedTypes,f=d?d.emptyScript:``,p=u.reactiveElementPolyfillSupport,m=(e,t)=>e,h={toAttribute(e,t){switch(t){case Boolean:e=e?f:null;break;case Object:case Array:e=e==null?e:JSON.stringify(e)}return e},fromAttribute(e,t){let n=e;switch(t){case Boolean:n=e!==null;break;case Number:n=e===null?null:Number(e);break;case Object:case Array:try{n=JSON.parse(e)}catch{n=null}}return n}},g=(e,t)=>!i(e,t),_={attribute:!0,type:String,converter:h,reflect:!1,useDefault:!1,hasChanged:g};Symbol.metadata??=Symbol(`metadata`),u.litPropertyMetadata??=new WeakMap;var v=class extends HTMLElement{static addInitializer(e){this._$Ei(),(this.l??=[]).push(e)}static get observedAttributes(){return this.finalize(),this._$Eh&&[...this._$Eh.keys()]}static createProperty(e,t=_){if(t.state&&(t.attribute=!1),this._$Ei(),this.prototype.hasOwnProperty(e)&&((t=Object.create(t)).wrapped=!0),this.elementProperties.set(e,t),!t.noAccessor){let n=Symbol(),r=this.getPropertyDescriptor(e,n,t);r!==void 0&&a(this.prototype,e,r)}}static getPropertyDescriptor(e,t,n){let{get:r,set:i}=o(this.prototype,e)??{get(){return this[t]},set(e){this[t]=e}};return{get:r,set(t){let a=r?.call(this);i?.call(this,t),this.requestUpdate(e,a,n)},configurable:!0,enumerable:!0}}static getPropertyOptions(e){return this.elementProperties.get(e)??_}static _$Ei(){if(this.hasOwnProperty(m(`elementProperties`)))return;let e=l(this);e.finalize(),e.l!==void 0&&(this.l=[...e.l]),this.elementProperties=new Map(e.elementProperties)}static finalize(){if(this.hasOwnProperty(m(`finalized`)))return;if(this.finalized=!0,this._$Ei(),this.hasOwnProperty(m(`properties`))){let e=this.properties,t=[...s(e),...c(e)];for(let n of t)this.createProperty(n,e[n])}let e=this[Symbol.metadata];if(e!==null){let t=litPropertyMetadata.get(e);if(t!==void 0)for(let[e,n]of t)this.elementProperties.set(e,n)}this._$Eh=new Map;for(let[e,t]of this.elementProperties){let n=this._$Eu(e,t);n!==void 0&&this._$Eh.set(n,e)}this.elementStyles=this.finalizeStyles(this.styles)}static finalizeStyles(e){let t=[];if(Array.isArray(e)){let r=new Set(e.flat(1/0).reverse());for(let e of r)t.unshift(n(e))}else e!==void 0&&t.push(n(e));return t}static _$Eu(e,t){let n=t.attribute;return!1===n?void 0:typeof n==`string`?n:typeof e==`string`?e.toLowerCase():void 0}constructor(){super(),this._$Ep=void 0,this.isUpdatePending=!1,this.hasUpdated=!1,this._$Em=null,this._$Ev()}_$Ev(){this._$ES=new Promise((e=>this.enableUpdating=e)),this._$AL=new Map,this._$E_(),this.requestUpdate(),this.constructor.l?.forEach((e=>e(this)))}addController(e){(this._$EO??=new Set).add(e),this.renderRoot!==void 0&&this.isConnected&&e.hostConnected?.()}removeController(e){this._$EO?.delete(e)}_$E_(){let e=new Map,t=this.constructor.elementProperties;for(let n of t.keys())this.hasOwnProperty(n)&&(e.set(n,this[n]),delete this[n]);e.size>0&&(this._$Ep=e)}createRenderRoot(){let t=this.shadowRoot??this.attachShadow(this.constructor.shadowRootOptions);return e(t,this.constructor.elementStyles),t}connectedCallback(){this.renderRoot??=this.createRenderRoot(),this.enableUpdating(!0),this._$EO?.forEach((e=>e.hostConnected?.()))}enableUpdating(e){}disconnectedCallback(){this._$EO?.forEach((e=>e.hostDisconnected?.()))}attributeChangedCallback(e,t,n){this._$AK(e,n)}_$ET(e,t){let n=this.constructor.elementProperties.get(e),r=this.constructor._$Eu(e,n);if(r!==void 0&&!0===n.reflect){let i=(n.converter?.toAttribute===void 0?h:n.converter).toAttribute(t,n.type);this._$Em=e,i==null?this.removeAttribute(r):this.setAttribute(r,i),this._$Em=null}}_$AK(e,t){let n=this.constructor,r=n._$Eh.get(e);if(r!==void 0&&this._$Em!==r){let e=n.getPropertyOptions(r),i=typeof e.converter==`function`?{fromAttribute:e.converter}:e.converter?.fromAttribute===void 0?h:e.converter;this._$Em=r,this[r]=i.fromAttribute(t,e.type)??this._$Ej?.get(r)??null,this._$Em=null}}requestUpdate(e,t,n){if(e!==void 0){let r=this.constructor,i=this[e];if(n??=r.getPropertyOptions(e),!((n.hasChanged??g)(i,t)||n.useDefault&&n.reflect&&i===this._$Ej?.get(e)&&!this.hasAttribute(r._$Eu(e,n))))return;this.C(e,t,n)}!1===this.isUpdatePending&&(this._$ES=this._$EP())}C(e,t,{useDefault:n,reflect:r,wrapped:i},a){n&&!(this._$Ej??=new Map).has(e)&&(this._$Ej.set(e,a??t??this[e]),!0!==i||a!==void 0)||(this._$AL.has(e)||(this.hasUpdated||n||(t=void 0),this._$AL.set(e,t)),!0===r&&this._$Em!==e&&(this._$Eq??=new Set).add(e))}async _$EP(){this.isUpdatePending=!0;try{await this._$ES}catch(e){Promise.reject(e)}let e=this.scheduleUpdate();return e!=null&&await e,!this.isUpdatePending}scheduleUpdate(){return this.performUpdate()}performUpdate(){if(!this.isUpdatePending)return;if(!this.hasUpdated){if(this.renderRoot??=this.createRenderRoot(),this._$Ep){for(let[e,t]of this._$Ep)this[e]=t;this._$Ep=void 0}let e=this.constructor.elementProperties;if(e.size>0)for(let[t,n]of e){let{wrapped:e}=n,r=this[t];!0!==e||this._$AL.has(t)||r===void 0||this.C(t,void 0,n,r)}}let e=!1,t=this._$AL;try{e=this.shouldUpdate(t),e?(this.willUpdate(t),this._$EO?.forEach((e=>e.hostUpdate?.())),this.update(t)):this._$EM()}catch(t){throw e=!1,this._$EM(),t}e&&this._$AE(t)}willUpdate(e){}_$AE(e){this._$EO?.forEach((e=>e.hostUpdated?.())),this.hasUpdated||(this.hasUpdated=!0,this.firstUpdated(e)),this.updated(e)}_$EM(){this._$AL=new Map,this.isUpdatePending=!1}get updateComplete(){return this.getUpdateComplete()}getUpdateComplete(){return this._$ES}shouldUpdate(e){return!0}update(e){this._$Eq&&=this._$Eq.forEach((e=>this._$ET(e,this[e]))),this._$EM()}updated(e){}firstUpdated(e){}};v.elementStyles=[],v.shadowRootOptions={mode:`open`},v[m(`elementProperties`)]=new Map,v[m(`finalized`)]=new Map,p?.({ReactiveElement:v}),(u.reactiveElementVersions??=[]).push(`2.1.0`);export{v as ReactiveElement,e as adoptStyles,t as css,h as defaultConverter,n as getCompatibleStyle,g as notEqual,r as unsafeCSS};
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