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[compiler] Allow nonreactive stable types as extraneous deps (#35185)
When checking ValidateExhaustiveDeps internally, this seems to be the most common case that it flags. The current exhaustive-deps rule allows extraneous deps if they are a set of stable types. So here we reuse our existing isStableType() util in the compiler to allow this case. --- [//]: # (BEGIN SAPLING FOOTER) Stack created with [Sapling](https://sapling-scm.com). Best reviewed with [ReviewStack](https://reviewstack.dev/facebook/react/pull/35185). * #35201 * #35202 * #35192 * #35190 * #35186 * __->__ #35185
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@@ -261,6 +261,20 @@ export function validateExhaustiveDependencies(
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extra.push(dep);
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}
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/*
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* For compatiblity with the existing exhaustive-deps rule, we allow
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* known-stable values as dependencies even if the value is not reactive.
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* This allows code that takes a dep on a non-reactive setState function
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* to pass, for example.
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*/
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retainWhere(extra, dep => {
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const isNonReactiveStableValue =
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dep.root.kind === 'NamedLocal' &&
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!dep.root.value.reactive &&
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isStableType(dep.root.value.identifier);
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return !isNonReactiveStableValue;
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});
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if (missing.length !== 0 || extra.length !== 0) {
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let suggestions: Array<CompilerSuggestion> | null = null;
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if (startMemo.depsLoc != null && typeof startMemo.depsLoc !== 'symbol') {
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@@ -0,0 +1,100 @@
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## Input
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```javascript
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// @validateExhaustiveMemoizationDependencies
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import {
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useCallback,
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useTransition,
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useState,
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useOptimistic,
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useActionState,
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useRef,
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useReducer,
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} from 'react';
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function useFoo() {
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const [s, setState] = useState();
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const ref = useRef(null);
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const [t, startTransition] = useTransition();
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const [u, addOptimistic] = useOptimistic();
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const [v, dispatch] = useReducer(() => {}, null);
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const [isPending, dispatchAction] = useActionState(() => {}, null);
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return useCallback(() => {
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dispatch();
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startTransition(() => {});
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addOptimistic();
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setState(null);
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dispatchAction();
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ref.current = true;
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}, [
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// intentionally adding unnecessary deps on nonreactive stable values
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// to check that they're allowed
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dispatch,
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startTransition,
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addOptimistic,
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setState,
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dispatchAction,
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ref,
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]);
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}
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export const FIXTURE_ENTRYPOINT = {
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fn: useFoo,
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params: [],
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};
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```
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## Code
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```javascript
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import { c as _c } from "react/compiler-runtime"; // @validateExhaustiveMemoizationDependencies
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import {
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useCallback,
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useTransition,
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useState,
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useOptimistic,
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useActionState,
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useRef,
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useReducer,
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} from "react";
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function useFoo() {
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const $ = _c(1);
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const [, setState] = useState();
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const ref = useRef(null);
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const [, startTransition] = useTransition();
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const [, addOptimistic] = useOptimistic();
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const [, dispatch] = useReducer(_temp, null);
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const [, dispatchAction] = useActionState(_temp2, null);
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let t0;
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if ($[0] === Symbol.for("react.memo_cache_sentinel")) {
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t0 = () => {
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dispatch();
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startTransition(_temp3);
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addOptimistic();
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setState(null);
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dispatchAction();
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ref.current = true;
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};
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$[0] = t0;
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} else {
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t0 = $[0];
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}
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return t0;
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}
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function _temp3() {}
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function _temp2() {}
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function _temp() {}
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export const FIXTURE_ENTRYPOINT = {
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fn: useFoo,
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params: [],
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};
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```
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### Eval output
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(kind: ok) "[[ function params=0 ]]"
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@@ -0,0 +1,42 @@
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// @validateExhaustiveMemoizationDependencies
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import {
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useCallback,
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useTransition,
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useState,
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useOptimistic,
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useActionState,
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useRef,
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useReducer,
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} from 'react';
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function useFoo() {
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const [s, setState] = useState();
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const ref = useRef(null);
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const [t, startTransition] = useTransition();
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const [u, addOptimistic] = useOptimistic();
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const [v, dispatch] = useReducer(() => {}, null);
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const [isPending, dispatchAction] = useActionState(() => {}, null);
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return useCallback(() => {
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dispatch();
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startTransition(() => {});
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addOptimistic();
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setState(null);
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dispatchAction();
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ref.current = true;
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}, [
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// intentionally adding unnecessary deps on nonreactive stable values
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// to check that they're allowed
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dispatch,
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startTransition,
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addOptimistic,
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setState,
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dispatchAction,
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ref,
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]);
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}
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export const FIXTURE_ENTRYPOINT = {
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fn: useFoo,
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params: [],
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};
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