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Add ReactFeatureFlags support to eprh (#35951)

We're currently hardcoding experimental options to
`eslint-plugin-react-hooks`. This blocks the release on features that
might not be ready.

This PR extends the ReactFeatureFlag infra to support flags for
`eslint-plugin-react-hooks`. An alternative would be to create a
separate flag system for build tools, but for now we have a small number
of these and reusing existing infra seems like the simplest approach.

I ran a full `yarn build` and checked the output resolved the flag
values as expected:


_build/oss-stable-semver/eslint-plugin-react-hooks/cjs/eslint-plugin-react-hooks.development.js_
```js
var eprh_enableUseKeyedStateCompilerLint = false;
var eprh_enableVerboseNoSetStateInEffectCompilerLint = false;
var eprh_enableExhaustiveEffectDependenciesCompilerLint = 'off';
```


_build/facebook-www/ESLintPluginReactHooks-dev.classic.js_

```js
var eprh_enableUseKeyedStateCompilerLint = true;
var eprh_enableVerboseNoSetStateInEffectCompilerLint = true;
var eprh_enableExhaustiveEffectDependenciesCompilerLint = 'extra-only';
```

---------

Co-authored-by: lauren <[email protected]>
J
Jack Pope committed
3cb2c42013eda273ac449126ab9fcc115a09d39d
Parent: c0c29e8
Committed by GitHub <[email protected]> on 3/25/2026, 6:13:27 AM