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fix(FN-4782): add explicit index preload marker

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Fusion-Task-Id: FN-4782
Fusion-Task-Lineage: 5d6b5632-a135-4d25-9382-57fa23e22484
This commit is contained in:
Fusion (runfusion.ai)
2026-05-17 01:47:15 -07:00
committed by gsxdsm
parent aa105c9b80
commit 41a8aca91c
2 changed files with 29 additions and 0 deletions
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28
packages/dashboard/src/__tests__/server-view-preload.test.ts
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@@ -75,6 +75,34 @@ describe("server index preload injection", () => {
}
});
serverViewPreloadIntegrationTest("injects at marker comment when present", async () => {
const clientDir = makeTempDir("fn-4782-client-marker-");
mkdirSync(join(clientDir, ".vite"), { recursive: true });
writeFileSync(
join(clientDir, "index.html"),
"<!doctype html><html><head><!-- fusion:view-preload --></head><body><div id=\"root\"></div></body></html>",
);
writeFileSync(
join(clientDir, ".vite", "manifest.json"),
JSON.stringify({ "components/AgentsView.tsx": { file: "assets/AgentsView-marker.js" } }),
);
const { server, restoreEnv } = await startServerWithFixture(clientDir);
try {
const address = server.address();
if (!address || typeof address === "string") throw new Error("Missing server address");
const res = await fetch(`http://127.0.0.1:${address.port}/`);
const html = await res.text();
expect(res.status).toBe(200);
expect(html).toMatch(/<!-- fusion:view-preload -->\s*<script>window\.__FUSION_VIEW_CHUNKS__/);
} finally {
restoreEnv();
await new Promise<void>((resolve, reject) => server.close((err) => (err ? reject(err) : resolve())));
}
});
serverViewPreloadIntegrationTest("serves index with empty chunk map when manifest is missing", async () => {
const clientDir = makeTempDir("fn-4782-client-no-manifest-");
writeFileSync(join(clientDir, "index.html"), "<!doctype html><html><head></head><body><div id=\"root\"></div></body></html>");