[MDX] Include `url` in glob result (#3981)

* deps: add es-module-lexer

* feat: inject url export on mdx files

* fix: apply url transform in prod

* test: page urls with overrides

* fix: revert test skips

* chore: changeset

* fix: add newline before export

1 files changed, 28 insertions, 0 deletions

diff --git a/packages/integrations/mdx/test/mdx-url-export.js b/packages/integrations/mdx/test/mdx-url-export.js
new file mode 100644
index 000000000..76d6709f0
--- /dev/null
+++ b/packages/integrations/mdx/test/mdx-url-export.js
@@ -0,0 +1,28 @@
+import mdx from '@astrojs/mdx';
+
+import { expect } from 'chai';
+import { loadFixture } from '../../../astro/test/test-utils.js';
+
+describe('MDX url export', () => {
+	let fixture;
+
+	before(async () => {
+		fixture = await loadFixture({
+			root: new URL('./fixtures/mdx-url-export/', import.meta.url),
+			integrations: [mdx()],
+		});
+
+		await fixture.build();
+	});
+
+	it('generates correct urls in glob result', async () => {
+		const { urls } = JSON.parse(await fixture.readFile('/pages.json'));
+		expect(urls).to.include('/test-1');
+		expect(urls).to.include('/test-2');
+	});
+
+	it('respects "export url" overrides in glob result', async () => {
+		const { urls } = JSON.parse(await fixture.readFile('/pages.json'));
+		expect(urls).to.include('/AH!');
+	});
+});