test: Ensure unique element names (#457)

Author: razor-x

test/elements.test.ts

@@ -0,0 +1,11 @@
+import type { ElementDefinition } from 'lib/element.js'
+import * as components from 'lib/seam/components/elements.js'
+
+test('unique element names', async () => {
+  const elementDefinitions = components as unknown as Record<
+    string,
+    Partial<ElementDefinition>
+  >
+  const elementNames = Object.values(elementDefinitions).map(({ name }) => name)
+  expect(elementNames).toEqual(Array.from(new Set(elementNames)))
+})