Split js parts

js/plugin/browser-player-editor.ts

@@ -0,0 +1,23 @@
+import { LitElement, html } from "lit";
+import { hass_loaded } from "card-tools/src/hass";
+
+class BrowserPlayerEditor extends LitElement {
+  setConfig(config) {}
+  render() {
+    return html` <div>Nothing to configure.</div> `;
+  }
+}
+
+(async () => {
+  await hass_loaded();
+
+  if (!customElements.get("browser-player-editor")) {
+    customElements.define("browser-player-editor", BrowserPlayerEditor);
+    window.customCards = window.customCards || [];
+    window.customCards.push({
+      type: "browser-player",
+      name: "Browser Player",
+      preview: true,
+    });
+  }
+})();