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bun-src/test/bundler/transpiler/react-compiler-fixtures/preserve-use-memo-transition-no-ispending.expect.md
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2026-08-27 21:09:14 +00:00
## Input
```javascript
// @validatePreserveExistingMemoizationGuarantees
import {useCallback, useTransition} from 'react';
function useFoo() {
const [, /* isPending intentionally not captured */ start] = useTransition();
return useCallback(() => {
start();
}, []);
}
export const FIXTURE_ENTRYPOINT = {
fn: useFoo,
params: [],
};
```
## Code
```javascript
import { c as _c } from "react/compiler-runtime"; // @validatePreserveExistingMemoizationGuarantees
import { useCallback, useTransition } from "react";
function useFoo() {
const $ = _c(1);
const [, start] = useTransition();
let t0;
if ($[0] === Symbol.for("react.memo_cache_sentinel")) {
t0 = () => {
start();
};
$[0] = t0;
} else {
t0 = $[0];
}
return t0;
}
export const FIXTURE_ENTRYPOINT = {
fn: useFoo,
params: [],
};
```
### Eval output
(kind: ok) "[[ function params=0 ]]"