@lit/reactive-element/decorators/property.js

A simple low level base class for creating fast, lightweight web components

import{notEqual as t,defaultConverter as e}from"../reactive-element.js";
/**
 * @license
 * Copyright 2017 Google LLC
 * SPDX-License-Identifier: BSD-3-Clause
 */const o={attribute:!0,type:String,converter:e,reflect:!1,hasChanged:t},r=(t=o,e,r)=>{const{kind:n,metadata:i}=r;let s=globalThis.litPropertyMetadata.get(i);if(void 0===s&&globalThis.litPropertyMetadata.set(i,s=new Map),"setter"===n&&((t=Object.create(t)).wrapped=!0),s.set(r.name,t),"accessor"===n){const{name:o}=r;return{set(r){const n=e.get.call(this);e.set.call(this,r),this.requestUpdate(o,n,t,!0,r)},init(e){return void 0!==e&&this.C(o,void 0,t,e),e}}}if("setter"===n){const{name:o}=r;return function(r){const n=this[o];e.call(this,r),this.requestUpdate(o,n,t,!0,r)}}throw Error("Unsupported decorator location: "+n)};function n(t){return(e,o)=>"object"==typeof o?r(t,e,o):((t,e,o)=>{const r=e.hasOwnProperty(o);return e.constructor.createProperty(o,t),r?Object.getOwnPropertyDescriptor(e,o):void 0})(t,e,o)}export{n as property,r as standardProperty};
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