Remove rollup-plugin-ts

ember-container-query/src/components/container-query.hbs

@@ -1,4 +1,3 @@
-{{! @glint-ignore: ember-element-helper needs to provide Glint signature }}
 {{#let (element this.tagName) as |Tag|}}
   <Tag
     class="container-query"

ember-container-query/unpublished-development-types/index.d.ts

@@ -3,11 +3,26 @@
 
 import '@glint/environment-ember-loose';
 
+import { ComponentLike, HelperLike } from '@glint/template';
+
 import EmberContainerQueryRegistry from '../src/template-registry';
 
+interface ElementHelperSignature<T extends string> {
+  Args: {
+    Positional: [name: T];
+  };
+  Return: ComponentLike<{
+    Blocks: { default: [] };
+    Element: T extends keyof HTMLElementTagNameMap
+      ? HTMLElementTagNameMap[T]
+      : Element;
+  }>;
+}
+
 declare module '@glint/environment-ember-loose/registry' {
   export default interface Registry extends EmberContainerQueryRegistry {
     // Add any registry entries from other addons here that your addon itself uses (in non-strict mode templates)
     // See https://typed-ember.gitbook.io/glint/using-glint/ember/using-addons
+    element: HelperLike<ElementHelperSignature>;
   }
 }