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feat: lazy data via
defer()
and <Await>
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import { test, expect } from "@playwright/test"; | ||
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import { createAppFixture, createFixture, js } from "./helpers/create-fixture"; | ||
import type { Fixture, AppFixture } from "./helpers/create-fixture"; | ||
import { PlaywrightFixture } from "./helpers/playwright-fixture"; | ||
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let fixture: Fixture; | ||
let appFixture: AppFixture; | ||
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test.beforeAll(async () => { | ||
fixture = await createFixture({ | ||
files: { | ||
"app/routes/index.jsx": js` | ||
import { useLoaderData, Link } from "@remix-run/react"; | ||
export default function Index() { | ||
return ( | ||
<div> | ||
<Link to="/redirect">Redirect</Link> | ||
<Link to="/direct-promise-access">Direct Promise Access</Link> | ||
</div> | ||
) | ||
} | ||
`, | ||
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"app/routes/redirect.jsx": js` | ||
import { defer } from "@remix-run/node"; | ||
export function loader() { | ||
return defer({food: "pizza"}, { status: 301, headers: { Location: "/?redirected" } }); | ||
} | ||
export default function Redirect() {return null;} | ||
`, | ||
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"app/routes/direct-promise-access.jsx": js` | ||
import * as React from "react"; | ||
import { defer } from "@remix-run/node"; | ||
import { useLoaderData, Link, Await } from "@remix-run/react"; | ||
export function loader() { | ||
return defer({ | ||
bar: new Promise(async (resolve, reject) => { | ||
resolve("hamburger"); | ||
}), | ||
}); | ||
} | ||
let count = 0; | ||
export default function Index() { | ||
let {bar} = useLoaderData(); | ||
React.useEffect(() => { | ||
let aborted = false; | ||
bar.then((data) => { | ||
if (aborted) return; | ||
document.getElementById("content").innerHTML = data + " " + (++count); | ||
document.getElementById("content").setAttribute("data-done", ""); | ||
}); | ||
return () => { | ||
aborted = true; | ||
}; | ||
}, [bar]); | ||
return ( | ||
<div id="content"> | ||
Waiting for client hydration.... | ||
</div> | ||
) | ||
} | ||
`, | ||
}, | ||
}); | ||
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appFixture = await createAppFixture(fixture); | ||
}); | ||
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test.afterAll(async () => appFixture.close()); | ||
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test("deferred response can redirect on document request", async ({ page }) => { | ||
let app = new PlaywrightFixture(appFixture, page); | ||
await app.goto("/redirect"); | ||
await page.waitForURL(/\?redirected/); | ||
}); | ||
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test("deferred response can redirect on transition", async ({ page }) => { | ||
let app = new PlaywrightFixture(appFixture, page); | ||
await app.goto("/"); | ||
await app.clickLink("/redirect"); | ||
await page.waitForURL(/\?redirected/); | ||
}); | ||
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test("can directly access result from deferred promise on document request", async ({ | ||
page, | ||
}) => { | ||
let app = new PlaywrightFixture(appFixture, page); | ||
await app.goto("/direct-promise-access"); | ||
let element = await page.waitForSelector("[data-done]"); | ||
expect(await element.innerText()).toMatch("hamburger 1"); | ||
}); |
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