tests: add package replacement tests

Author: gameroman

test/e2e/package-replacements.spec.ts

@@ -0,0 +1,21 @@
+import { expect, test } from './test-utils'
+
+test.describe('Package Replacement Suggestions', () => {
+  test('/package/strip-ansi shows a replacement suggestion with a link to e18e docs', async ({
+    page,
+    goto,
+  }) => {
+    await goto('/package/strip-ansi', { waitUntil: 'hydration' })
+
+    // Wait for the package page to load
+    await expect(page.locator('h1')).toContainText('strip-ansi', { timeout: 15_000 })
+
+    // The replacement component renders a "Learn more" anchor driven by resolveReplacementUrl.
+    // For strip-ansi the url.type is 'e18e', so the href resolves to:
+    // https://e18e.dev/docs/replacements/strip-ansi
+    //
+    // useLazyFetch is used, so the suggestion arrives after hydration — use a generous timeout.
+    const replacementLink = page.locator('a[href="https://e18e.dev/docs/replacements/strip-ansi"]')
+    await expect(replacementLink).toBeVisible({ timeout: 15_000 })
+  })
+})