Conditional Theme Counter - Polymer Typing CST Test

Conditional Theme Counter — Polymer Code

Theme changes based on even/odd counter value.

import { PolymerElement, html } from '@polymer/polymer/polymer-element.js';
class ConditionalThemeCounter extends PolymerElement {
	static get properties() { return { count: Number, isDark: Boolean }; }
	static get template() { return html`<div class$="${this.count % 2 === 0 ? 'dark-theme' : 'light-theme'}">
	<h2>Counter: [[count]]</h2>
	<button on-click="_increment">+</button>
	<button on-click="_decrement">-</button>
	<button on-click="_reset">Reset</button>
	</div>`; }
	_increment() { this.count++; }
	_decrement() { this.count--; }
	_reset() { this.count = 0; }
}
customElements.define('conditional-theme-counter', ConditionalThemeCounter);

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