import { Component, html, LitElement, property } from '@rxdi/lit-html'; /** * @customElement r-if */ @Component({ selector: 'r-if', template(this: IfOperator) { return html` ${this.exp ? html` ` : ''} `; }, }) export class IfOperator extends LitElement { @property({ type: Boolean }) exp: boolean; OnUpdateFirst() { // this.parentNode.insertBefore(this.shadowRoot, this.nextSibling); } }