Updates an error handler to expect updated `@astrojs/lit` behavior (#3766)

* fix: don't throw an error when the lit renderer doesn't provide a clientEntrypoint

* updating the framework-lit example to match new behavior

* fix: updating the playground example to latest lit syntax

1 files changed, 17 insertions, 0 deletions

diff --git a/examples/framework-lit/src/components/calc-add.js b/examples/framework-lit/src/components/calc-add.js
new file mode 100644
index 000000000..b0b3978bf
--- /dev/null
+++ b/examples/framework-lit/src/components/calc-add.js
@@ -0,0 +1,17 @@
+import { LitElement, html } from 'lit';
+
+export class CalcAdd extends LitElement {
+	static get properties() {
+		return {
+			num: {
+				type: Number,
+			},
+		};
+	}
+
+	render() {
+		return html` <div>Number: ${this.num}</div> `;
+	}
+}
+
+customElements.define('calc-add', CalcAdd);