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June 5, 2022 13:15
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Web Component starter
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| customElements.define('my-component', class extends HTMLElement { | |
| static get observedAttributes() { | |
| return [ | |
| // attrs | |
| ]; | |
| } | |
| constructor() { | |
| super(); | |
| this.attachShadow({ mode: 'open' }); | |
| this.render(); | |
| } | |
| attributeChangedCallback(name, oldValue, newValue) { | |
| switch(name) { | |
| // type converters | |
| default: | |
| this[name] = newValue; | |
| } | |
| this.render(); | |
| } | |
| render() { | |
| this.shadowRoot.innerHTML = ` | |
| <style> | |
| :host { | |
| display: block; | |
| } | |
| :host([hidden]) { | |
| display: none !important; | |
| } | |
| </style> | |
| <slot></slot> | |
| `; | |
| } | |
| }); |
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