[compiler] Ignore ESLint suppressions when ValidateMemoDeps enabled #35184
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With `ValidateExhaustiveMemoDependencies` we can now check exhaustive dependencies for useMemo and useCallback within the compiler, without relying on the separate exhaustive-deps rule. Until now we've bailed out of any component/hook that suppresses this rule, since the suppression _might_ affect a memoization value. Compiling code with incorrect memo deps can change behavior so this wasn't safe. The downside was that a suppression within a useEffect could prevent memoization, even though non-exhaustive deps for effects do not cause problems for memoization specifically. So here, we change to ignore ESLint suppressions if we have both the compiler's hooks validation and memo deps validations enabled. Now we just have to test out the new validation and refine before we can enable this by default.
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This was referenced Nov 21, 2025
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…35184) With `ValidateExhaustiveMemoDependencies` we can now check exhaustive dependencies for useMemo and useCallback within the compiler, without relying on the separate exhaustive-deps rule. Until now we've bailed out of any component/hook that suppresses this rule, since the suppression _might_ affect a memoization value. Compiling code with incorrect memo deps can change behavior so this wasn't safe. The downside was that a suppression within a useEffect could prevent memoization, even though non-exhaustive deps for effects do not cause problems for memoization specifically. So here, we change to ignore ESLint suppressions if we have both the compiler's hooks validation and memo deps validations enabled. Now we just have to test out the new validation and refine before we can enable this by default. --- [//]: # (BEGIN SAPLING FOOTER) Stack created with [Sapling](https://sapling-scm.com). Best reviewed with [ReviewStack](https://reviewstack.dev/facebook/react/pull/35184). * #35201 * #35202 * #35192 * #35190 * #35186 * #35185 * __->__ #35184 DiffTrain build for [fca172e](fca172e)
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…35184) With `ValidateExhaustiveMemoDependencies` we can now check exhaustive dependencies for useMemo and useCallback within the compiler, without relying on the separate exhaustive-deps rule. Until now we've bailed out of any component/hook that suppresses this rule, since the suppression _might_ affect a memoization value. Compiling code with incorrect memo deps can change behavior so this wasn't safe. The downside was that a suppression within a useEffect could prevent memoization, even though non-exhaustive deps for effects do not cause problems for memoization specifically. So here, we change to ignore ESLint suppressions if we have both the compiler's hooks validation and memo deps validations enabled. Now we just have to test out the new validation and refine before we can enable this by default. --- [//]: # (BEGIN SAPLING FOOTER) Stack created with [Sapling](https://sapling-scm.com). Best reviewed with [ReviewStack](https://reviewstack.dev/facebook/react/pull/35184). * #35201 * #35202 * #35192 * #35190 * #35186 * #35185 * __->__ #35184 DiffTrain build for [fca172e](fca172e)
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With
ValidateExhaustiveMemoDependencieswe can now check exhaustive dependencies for useMemo and useCallback within the compiler, without relying on the separate exhaustive-deps rule. Until now we've bailed out of any component/hook that suppresses this rule, since the suppression might affect a memoization value. Compiling code with incorrect memo deps can change behavior so this wasn't safe. The downside was that a suppression within a useEffect could prevent memoization, even though non-exhaustive deps for effects do not cause problems for memoization specifically.So here, we change to ignore ESLint suppressions if we have both the compiler's hooks validation and memo deps validations enabled.
Now we just have to test out the new validation and refine before we can enable this by default.
Stack created with Sapling. Best reviewed with ReviewStack.