Add @types/qunit

Author: NullVoxPopuli

files/package.json

@@ -51,7 +51,8 @@
     "@glint/template": "^1.4.0",
     "@ember/app-tsconfig": "^1.0.0",
     "@ember/library-tsconfig": "^1.0.0",<% } %>
-    "@rollup/plugin-babel": "^6.0.4",
+    "@rollup/plugin-babel": "^6.0.4",<% if (typescript) { %>
+    "@types/qunit": "^2.19.12",<% } %>
     "babel-plugin-ember-template-compilation": "^2.2.5",
     "concurrently": "^9.0.1",
     "ember-qunit": "^9.0.2",

files/rollup.config.mjs

@@ -10,7 +10,7 @@ const addon = new Addon({
 
 const rootDirectory = dirname(fileURLToPath(import.meta.url));
 const configs = {
-  babel: resolve(rootDirectory, './babel.pubish.config.cjs'),<% if (typescript) { %>
+  babel: resolve(rootDirectory, './babel.publish.config.cjs'),<% if (typescript) { %>
   ts: resolve(rootDirectory, './tsconfig.publish.json'),<% } %>
 };
 
@@ -63,7 +63,7 @@ export default {
     addon.gjs(),<% if (typescript) { %>
 
     // Emit .d.ts declaration files
-    addon.declarations('declarations', `<%= packageManager %> exec glint --project ${configs.ts}`),<% } %>
+    addon.declarations('declarations', `<%= packageManager %> exec glint --declaration --project ${configs.ts}`),<% } %>
 
     // addons are allowed to contain imports of .css files, which we want rollup
     // to leave alone and keep in the published output.

tests/smoke-tests/--typescript.test.ts

@@ -28,10 +28,6 @@ for (let packageManager of SUPPORTED_PACKAGE_MANAGERS) {
       declarationsDir = path.join(helper.projectRoot, 'declarations');
     });
 
-    afterAll(async () => {
-      await helper.clean();
-    });
-
     it('was generated correctly', async () => {
       await helper.build();