chrome-devtools-frontend/front_end/third_party/lit/lib/decorators.js

Chrome DevTools UI

/**
 * @license
 * Copyright 2019 Google LLC
 * SPDX-License-Identifier: BSD-3-Clause
 */
const t=globalThis,e=t.ShadowRoot&&(void 0===t.ShadyCSS||t.ShadyCSS.nativeShadow)&&"adoptedStyleSheets"in Document.prototype&&"replace"in CSSStyleSheet.prototype,s=Symbol(),i=new WeakMap;let r=class{constructor(t,e,i){if(this._$cssResult$=!0,i!==s)throw Error("CSSResult is not constructable. Use `unsafeCSS` or `css` instead.");this.cssText=t,this.t=e}get styleSheet(){let t=this.o;const s=this.t;if(e&&void 0===t){const e=void 0!==s&&1===s.length;e&&(t=i.get(s)),void 0===t&&((this.o=t=new CSSStyleSheet).replaceSync(this.cssText),e&&i.set(s,t))}return t}toString(){return this.cssText}};const o=e?t=>t:t=>t instanceof CSSStyleSheet?(t=>{let e="";for(const s of t.cssRules)e+=s.cssText;return(t=>new r("string"==typeof t?t:t+"",void 0,s))(e)})(t):t,{is:n,defineProperty:a,getOwnPropertyDescriptor:h,getOwnPropertyNames:c,getOwnPropertySymbols:l,getPrototypeOf:d}=Object,p=globalThis,u=p.trustedTypes,f=u?u.emptyScript:"",y=p.reactiveElementPolyfillSupport,E=(t,e)=>t,m={toAttribute(t,e){switch(e){case Boolean:t=t?f:null;break;case Object:case Array:t=null==t?t:JSON.stringify(t)}return t},fromAttribute(t,e){let s=t;switch(e){case Boolean:s=null!==t;break;case Number:s=null===t?null:Number(t);break;case Object:case Array:try{s=JSON.parse(t)}catch(t){s=null}}return s}},_=(t,e)=>!n(t,e),$={attribute:!0,type:String,converter:m,reflect:!1,useDefault:!1,hasChanged:_};
/**
 * @license
 * Copyright 2017 Google LLC
 * SPDX-License-Identifier: BSD-3-Clause
 */Symbol.metadata??=Symbol("metadata"),p.litPropertyMetadata??=new WeakMap;class S extends HTMLElement{static addInitializer(t){this._$Ei(),(this.l??=[]).push(t)}static get observedAttributes(){return this.finalize(),this._$Eh&&[...this._$Eh.keys()]}static createProperty(t,e=$){if(e.state&&(e.attribute=!1),this._$Ei(),this.prototype.hasOwnProperty(t)&&((e=Object.create(e)).wrapped=!0),this.elementProperties.set(t,e),!e.noAccessor){const s=Symbol(),i=this.getPropertyDescriptor(t,s,e);void 0!==i&&a(this.prototype,t,i)}}static getPropertyDescriptor(t,e,s){const{get:i,set:r}=h(this.prototype,t)??{get(){return this[e]},set(t){this[e]=t}};return{get:i,set(e){const o=i?.call(this);r?.call(this,e),this.requestUpdate(t,o,s)},configurable:!0,enumerable:!0}}static getPropertyOptions(t){return this.elementProperties.get(t)??$}static _$Ei(){if(this.hasOwnProperty(E("elementProperties")))return;const t=d(this);t.finalize(),void 0!==t.l&&(this.l=[...t.l]),this.elementProperties=new Map(t.elementProperties)}static finalize(){if(this.hasOwnProperty(E("finalized")))return;if(this.finalized=!0,this._$Ei(),this.hasOwnProperty(E("properties"))){const t=this.properties,e=[...c(t),...l(t)];for(const s of e)this.createProperty(s,t[s])}const t=this[Symbol.metadata];if(null!==t){const e=litPropertyMetadata.get(t);if(void 0!==e)for(const[t,s]of e)this.elementProperties.set(t,s)}this._$Eh=new Map;for(const[t,e]of this.elementProperties){const s=this._$Eu(t,e);void 0!==s&&this._$Eh.set(s,t)}this.elementStyles=this.finalizeStyles(this.styles)}static finalizeStyles(t){const e=[];if(Array.isArray(t)){const s=new Set(t.flat(1/0).reverse());for(const t of s)e.unshift(o(t))}else void 0!==t&&e.push(o(t));return e}static _$Eu(t,e){const s=e.attribute;return!1===s?void 0:"string"==typeof s?s:"string"==typeof t?t.toLowerCase():void 0}constructor(){super(),this._$Ep=void 0,this.isUpdatePending=!1,this.hasUpdated=!1,this._$Em=null,this._$Ev()}_$Ev(){this._$ES=new Promise(t=>this.enableUpdating=t),this._$AL=new Map,this._$E_(),this.requestUpdate(),this.constructor.l?.forEach(t=>t(this))}addController(t){(this._$EO??=new Set).add(t),void 0!==this.renderRoot&&this.isConnected&&t.hostConnected?.()}removeController(t){this._$EO?.delete(t)}_$E_(){const t=new Map,e=this.constructor.elementProperties;for(const s of e.keys())this.hasOwnProperty(s)&&(t.set(s,this[s]),delete this[s]);t.size>0&&(this._$Ep=t)}createRenderRoot(){const s=this.shadowRoot??this.attachShadow(this.constructor.shadowRootOptions);return((s,i)=>{if(e)s.adoptedStyleSheets=i.map(t=>t instanceof CSSStyleSheet?t:t.styleSheet);else for(const e of i){const i=document.createElement("style"),r=t.litNonce;void 0!==r&&i.setAttribute("nonce",r),i.textContent=e.cssText,s.appendChild(i)}})(s,this.constructor.elementStyles),s}connectedCallback(){this.renderRoot??=this.createRenderRoot(),this.enableUpdating(!0),this._$EO?.forEach(t=>t.hostConnected?.())}enableUpdating(t){}disconnectedCallback(){this._$EO?.forEach(t=>t.hostDisconnected?.())}attributeChangedCallback(t,e,s){this._$AK(t,s)}_$ET(t,e){const s=this.constructor.elementProperties.get(t),i=this.constructor._$Eu(t,s);if(void 0!==i&&!0===s.reflect){const r=(void 0!==s.converter?.toAttribute?s.converter:m).toAttribute(e,s.type);this._$Em=t,null==r?this.removeAttribute(i):this.setAttribute(i,r),this._$Em=null}}_$AK(t,e){const s=this.constructor,i=s._$Eh.get(t);if(void 0!==i&&this._$Em!==i){const t=s.getPropertyOptions(i),r="function"==typeof t.converter?{fromAttribute:t.converter}:void 0!==t.converter?.fromAttribute?t.converter:m;this._$Em=i;const o=r.fromAttribute(e,t.type);this[i]=o??this._$Ej?.get(i)??o,this._$Em=null}}requestUpdate(t,e,s){if(void 0!==t){const i=this.constructor,r=this[t];if(s??=i.getPropertyOptions(t),!((s.hasChanged??_)(r,e)||s.useDefault&&s.reflect&&r===this._$Ej?.get(t)&&!this.hasAttribute(i._$Eu(t,s))))return;this.C(t,e,s)}!1===this.isUpdatePending&&(this._$ES=this._$EP())}C(t,e,{useDefault:s,reflect:i,wrapped:r},o){s&&!(this._$Ej??=new Map).has(t)&&(this._$Ej.set(t,o??e??this[t]),!0!==r||void 0!==o)||(this._$AL.has(t)||(this.hasUpdated||s||(e=void 0),this._$AL.set(t,e)),!0===i&&this._$Em!==t&&(this._$Eq??=new Set).add(t))}async _$EP(){this.isUpdatePending=!0;try{await this._$ES}catch(t){Promise.reject(t)}const t=this.scheduleUpdate();return null!=t&&await t,!this.isUpdatePending}scheduleUpdate(){return this.performUpdate()}performUpdate(){if(!this.isUpdatePending)return;if(!this.hasUpdated){if(this.renderRoot??=this.createRenderRoot(),this._$Ep){for(const[t,e]of this._$Ep)this[t]=e;this._$Ep=void 0}const t=this.constructor.elementProperties;if(t.size>0)for(const[e,s]of t){const{wrapped:t}=s,i=this[e];!0!==t||this._$AL.has(e)||void 0===i||this.C(e,void 0,s,i)}}let t=!1;const e=this._$AL;try{t=this.shouldUpdate(e),t?(this.willUpdate(e),this._$EO?.forEach(t=>t.hostUpdate?.()),this.update(e)):this._$EM()}catch(e){throw t=!1,this._$EM(),e}t&&this._$AE(e)}willUpdate(t){}_$AE(t){this._$EO?.forEach(t=>t.hostUpdated?.()),this.hasUpdated||(this.hasUpdated=!0,this.firstUpdated(t)),this.updated(t)}_$EM(){this._$AL=new Map,this.isUpdatePending=!1}get updateComplete(){return this.getUpdateComplete()}getUpdateComplete(){return this._$ES}shouldUpdate(t){return!0}update(t){this._$Eq&&=this._$Eq.forEach(t=>this._$ET(t,this[t])),this._$EM()}updated(t){}firstUpdated(t){}}S.elementStyles=[],S.shadowRootOptions={mode:"open"},S[E("elementProperties")]=new Map,S[E("finalized")]=new Map,y?.({ReactiveElement:S}),(p.reactiveElementVersions??=[]).push("2.1.1");
/**
 * @license
 * Copyright 2017 Google LLC
 * SPDX-License-Identifier: BSD-3-Clause
 */
const g={attribute:!0,type:String,converter:m,reflect:!1,hasChanged:_},b=(t=g,e,s)=>{const{kind:i,metadata:r}=s;let o=globalThis.litPropertyMetadata.get(r);if(void 0===o&&globalThis.litPropertyMetadata.set(r,o=new Map),"setter"===i&&((t=Object.create(t)).wrapped=!0),o.set(s.name,t),"accessor"===i){const{name:i}=s;return{set(s){const r=e.get.call(this);e.set.call(this,s),this.requestUpdate(i,r,t)},init(e){return void 0!==e&&this.C(i,void 0,t,e),e}}}if("setter"===i){const{name:i}=s;return function(s){const r=this[i];e.call(this,s),this.requestUpdate(i,r,t)}}throw Error("Unsupported decorator location: "+i)};function v(t){return(e,s)=>"object"==typeof s?b(t,e,s):((t,e,s)=>{const i=e.hasOwnProperty(s);return e.constructor.createProperty(s,t),i?Object.getOwnPropertyDescriptor(e,s):void 0})(t,e,s)}
/**
 * @license
 * Copyright 2017 Google LLC
 * SPDX-License-Identifier: BSD-3-Clause
 */function w(t){return v({...t,state:!0,attribute:!1})}
/**
 * @license
 * Copyright 2017 Google LLC
 * SPDX-License-Identifier: BSD-3-Clause
 */const P=t=>(e,s)=>{void 0!==s?s.addInitializer(()=>{customElements.define(t,e)}):customElements.define(t,e)};export{P as customElement,v as property,b as standardProperty,w as state};
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