8 lines
965 B
JavaScript
8 lines
965 B
JavaScript
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import{nothing as t}from"../lit-html.js";import{AsyncDirective as i}from"../async-directive.js";import{directive as s}from"../directive.js";
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/**
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* @license
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* Copyright 2020 Google LLC
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* SPDX-License-Identifier: BSD-3-Clause
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*/const e=()=>new h;class h{}const o=new WeakMap,n=s(class extends i{render(i){return t}update(i,[s]){const e=s!==this.Y;return e&&void 0!==this.Y&&this.rt(void 0),(e||this.lt!==this.ct)&&(this.Y=s,this.ht=i.options?.host,this.rt(this.ct=i.element)),t}rt(t){if("function"==typeof this.Y){const i=this.ht??globalThis;let s=o.get(i);void 0===s&&(s=new WeakMap,o.set(i,s)),void 0!==s.get(this.Y)&&this.Y.call(this.ht,void 0),s.set(this.Y,t),void 0!==t&&this.Y.call(this.ht,t)}else this.Y.value=t}get lt(){return"function"==typeof this.Y?o.get(this.ht??globalThis)?.get(this.Y):this.Y?.value}disconnected(){this.lt===this.ct&&this.rt(void 0)}reconnected(){this.rt(this.ct)}});export{e as createRef,n as ref};
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//# sourceMappingURL=ref.js.map
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